## TE CH N I C A L S Y STE M A U D IT O F T HE C AL I F OR N I A E NV I R ON M E N T A L P R O TE C T I ON

AG ENCY A I R R E S O U R CE S B O ARD

2007

C ondu c t e d b y U S E P A R e g i o n 9

Au g u s t 20082 T h i s p a g e i nt e n tion a l l y l e f t bl a nk.3 T A BL E O F C O N TE N TS

T A B L E O F C O N TE N T S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .3 LI S T O F T A B LE S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . .4 E X E C U T I V E S U MM A R Y

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . .5 I N T R ODU C T I O N

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . .9 M A J O R F IN D I N G S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . 11 N E T W O R K M AN A G EM E N T

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . 21 I n t r od u c t i o n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 21 N e t w o rk M an a g e m e n t F i ndin g s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 25 O P E R A T I O N S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . 29 I n t r od u c t i o n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 29 G e n e r a l F ind in g s on A R B Op e r a tion s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . 29 I n s tru m e n t C a l i b r a tio n P r o g r am
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 30 S p e c i a l P u r

po s e M o n ito ri n g S e c t i o n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . 31 F I E L D O P E R A T I ON S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 32 A R B M oni t o ri n g S i t e s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . 33 A R B F i e l d O p e r a tio n F i n d i n g s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 34 S an J o a qui n V a l l e y A P C D M o n ito ri n g S i t e s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . 35 S J VA P C D F i e l d O p e r a ti o n F i ndin g
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . 36 No rth e r n S i e rr a A Q M D M oni t o rin g S it e s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 38 N S A Q M D F i e l d O p e r a t i o n F i ndin g s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . 38 G r e a t Ba s i n Uni f

i e d A P C D M oni t o rin g S it e s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . 41 G B UA P C D F i e l d Op e r a t io n F ind i n g s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . 43 L A B O R A T O R Y O P E R A T I O N S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. 45 I n t r od u c t i o n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 45 I n o r g a ni c L a bo r a to r y
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 45 O r g an i c L ab o r at o r y
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . 48 D A T A M A N A G E M E N T

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 55 I n t r od u c t i o n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 55 D at a M a n a g e m e n t f

o r : A R B

- O p e r a t e d F i e ldM o nito r in g S t at i on s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 56 D at a M a n a g e m e nt : L ab o r a to r y A n a l y t i ca l M e thod s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. 57 D at a M a n a g e m e nt : Qu a l i t y A s s u r a n c e P e r f o rm an c e E v a l u at i o n A ud i t

. . . . . . . . . . . . . . . . .. . . . . . 58 D at a M a n a g e m e nt : S p e c i a l P u r po s e M o n ito ri n g
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . 58 D at a M a n a g e m e nt : L o ca l

- D i s t ri c t

- c ol l e c t e d/A R B

- Uplo a d e d

- t o
- AQ S

. . . . . . . . . . . . . . . . .. . . . . . . . 58 D at a M a n a g e m e nt : L o ca l Di s tri c t

- C oll e c t e d/Upl o a d e d

- to

- A Q S

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 59 Q U A L I T Y A SS U R AN C E

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . 65 I n t r od u c t i o n
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. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . 67 Q A S e c tio n
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . 69 S t an d a r d s L a bo r a to r y
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 72 Op e r a tion s P l ann i n g a n d A s s e s s m e n t ( O P A )

. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . 78 L i s t o f A c r o n y m s
. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . . . . . . . 81 A P P E N D I X A

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## L IS T O F T

A B L ES

T A B L E 1 : S U M M A R Y O F S L A M S C R IT E R I A P O LL U T ANT M O N I T O R S I N T H E A R B P QAO............

... ............ ... ..................... ... ...... . . . 19
T A B L E 2 : S U M M A R Y O F O T H E R SP E C I A L P U R P O SE P O LL U T AN T M O N I T O R S I N T H E A R B P QA O

............ ... ..................... ... ... . . . 20
T A B L E 3 : S U M M A R Y O F N O N

- C R I T E R I A P O L LU T A N T A ND M E T E O R O L O G I C A L M O N I T O R I N G I N T H E A R B P QA O

......... ...... ............ ... . 21
T A B L E 4: M O N I T O R I N G S T A T I ON S E V A LU A T E D BY U S E P A DU R IN G T H E 200 7 A R B T S A......

... ............ ... ..................... ... ...... . . 295 

## E X ECUT I V E S U M M A RY

I n a c c o r d a n c e with F e d e r a l r e g u l at i on s a t 40 C F R P a r t 58 , Ap p e ndi x A , E PA R e g i on a l o f

f i c e s a r e r e q ui r e d t o c ond u c t T e c hn i ca l S y s t e m Audi t s ( T S A ) o f e ac h P ri m a ry Qu a l it y A s s u r an c e O r g an i z at i o n a t l e a s t o n c e e v e r y t h r e e y e a r s
. T hi s r e p o r t p r e s e n t s the f ind i n g s o f th e T S A o f th e Ca l i f o rni a Ai r R e s ou r ce s B o a r d ( A R B ) moni t o ring p r o g r am c ond u c t e d i n t h e s um m e r o f 2007

. A T S A i s o n e o f t h e w a y s th a t E P A p r ov i d e s ov e r s i g h t t o e n s u r e th a t d ata c ol l e c t e d b y s t at e a n d lo ca l a g e n c i e s m e e t c e r t ai n m i ni m um d at a qu a l it y o b j e c t i v e s. Oth e r a ss e s s m e nt s , s u c h a s n e two rk r e vi e w s an d p e rf o rm an c e e v a l u at i on s , a

r e a l s o u s ed t o c ol l e c t in f

o rm at i on on th e ov e r a l l qu a l i t y o f a m b i e n t ai r m oni t o rin g d at a
. T h e se a ss e s s m e nt s e n a

b l e a g e n c i e s t o id e nti f

y an d c o rr e c t t ho s e p r o g r am e l e m e n t s w h i c h m ay b e a dv e r s e l y a f

f e c t in g th e qu a l it y o f am bi e n t a i r d at a.
A Pri m a r y Qu a l it y A s s u r an c e O r g an i z at i o n (P Q A O ) i s a moni t o ri n g o r g a n i za t i on o r a c oo r di n a t e d a g g r e g a t ion o f s u c h o r g ani z at i on s th a t i s r e s pon s i bl e f o r a s e t o f s t a tions th a t moni t o r s th e s am e pol l ut an t a n d f o r whi c h d a t a q u a li t y a s s e ss m e n t s c a n l o g i c a l l y be pool e d

. E a c h c ri t e ri a pol l u t an t s am pl e r /m oni t o r at a moni t o ri n g s t a tio n i n th e S t a t e and L o c a l Ai r M o n ito rin g S t a t i o n ( S LA M S ) n e two rk m u s t b e a s s o c i at e d w i t h on e , a nd o n ly on e , P QA O. 1 T h e t e rm P QA O i s a n e w t e r m e s t a b l i s h e d in E P A ’ s r e v i s e d m oni t o ring r e g u l at i on s p r o m ulg a t e d o n O c tob e r 17 , 2006

. Pr e v i ou s l y t h e t e r m “ r e p o rt ing o r g an i za tion ” w a s u s e d t o d e s c r ib e a g e n c i e s t h at c o m bin e d d a t a qu a li t y a s s e s s m e n t s.
T h e C a l i f o rn i a A i r Res o u r c e s B o a

r d ( A RB ) , p a

rt o f t h e C a l i f

o rn i a E nvi r on m e n t al P r ot e c t i o n Ag e n c y , i s th e g ov e rn m e n t a l a g e n c y d e l e g a t e d und e r S t a t e l a w with the au t ho ri t y a n d r e s pon s i bi l i t y f o r c oll e c t in g amb i e n t a i r qu a l it y d at a a s di r e c t e d b y t he C l e a n Ai r A c t o f 197 7 an d C l e a n Ai r A c t A m e n dm e nt s o f 1990

. T h e A R B an d lo c a l Air P ollut i o n C ontr o l Di s tri c t s ( Di s tri c t s ) o p e r at e a mb i e n t mo n ito ri n g s t a tion s th r ou g ho u t the S t at e
. T h e A R B w a s d e s ign at e d a s th e Re po rt in g O r g an i za tio n ( R O ) f o r th e e nt i r e S t ate with th e e x c e ption o f th e am bi e n t ai r moni t o ri n g p r og r a m s o f t h e B a y A r e a Ai r Qu a li ty M an a g e m e n t D i s t ri c t , th e S outh C o a s t Ai r Qu a l it y M a n a g e m e n t D i s t ri c t , an d th e S an Di e g o Ai r P o llut i o n C on t r o l Di s tri c t. 2 B a s e d on s i m i l a r qu a l it y a s s u r an c e d e f

ini t ion s of th e t e rm s R O an d P Q A O i n t h e p r e v i ou s v e r s io n a n d c u rr e n t v e r s ion o f th e C F R , E PA R e g i on 9 h a s t e n t at i v e l y d e f in e d A R B a s th e P Q A O f o r a l l o f C a l i f

o rn i a w i th the e x c e pt i on o f t h e th r e e m o ni t o rin g a g e n c i e s l i s t e d abov e
. M a n y o f th e s m a l l e s t l o c al Di s tri c t s do not h a v e a c ti v e ai r m onit o rin g p r o g r a m s an d r e l y s ol e l y o n A R B f o r the op e r a tion o f moni t o ri n g s t a tion s w i t hi n th e i r ju ri s d i c t i on s.
T h e E P A R e g ion 9 a udi t t e a m i nt e r v i e w e d th e A R B m a n a g e m e n t a nd s t a f f on v a ri ou s a s p e c t s o f th e a i r moni t o rin g p r o g r a m in c l udin g n e t w o rk d e s i g n , f i e ld op e r at i on s, l abo r at o r y op e r at i on s , d a t a h andl i n g , q u a li t y a s s u r an c e and qu a l it y c o n tr o l p r o c e du r e s.

1 4 0 C F R 5 8 , A p p e n d i x A , s e c t i o n 3 .1 2 S tat e o f C a l i f

o rn i a , A i r R e s o u r c e s B o ar d , A i r M on i t o r i n g Q u a l it y A s s ur a n c e , V o l u m e I , Q u a l i ty As s ur a n c e P l an , M o n i t o r i n g a n d L ab or at o r y D i v i s i o n , J un e 2 0 05 , S ect i o n 1

. 0

. 2 .26

S in c e A R B ov e r s e e s th e qu a li t y a s s u r a n c e o f d at a c oll e c t e d b y l o c a l Di s tri c ts 3 wi t hi n the A R B P QA O , w e a l s o r e v i e w e d f i e ld op e r a t i on s , d a t a m an a g e m e n t and qu a lit y a s s u r a n ce a c tivi ti e s at l o c a l A i r P ol l utio n C on t r o l D i s t ri c t s
. F o r thi s T S A , i t w a s no t po ss i bl e f or E P A t o e v a l u at e a ll o f th e 22 lo c a l D i s t ri c t s th a t c ol l e c t amb i e n t a i r qu a l i t y d at a; th e r e f o r e , th e E P A a udi t t e a m r e vi e w e d o p e r at i o n s a t th r e e lo ca l D i s t ri c t s , th e S an J o a qui n V a l l e y Ai r P ol l ut i o n C ontr o l Di s tri c t , t h e G r e a t B a s i n Un i f i e d Ai r P ol l ut i on C ontr o l D i s tr i c t , an d th e No rth e r n S i e rr a Ai r Q u a l i t y M an a g e m e n t Di s tri c t.
T h e lo c a l Di s tri c t s i n c lu d e d i n t h e A R B P QA O h a v e th e i r own o r g a ni z at i on al s t ru c t u r e s a n d th e s e wi l l v ar y d e p e nd in g on th e s i z e o f t h e lo c a l di s tri c t p r o g r a m
. T he S an J o a qui n V a l l e y A i r P ol l ut i o n C on t r o l Di s tri c t w a s c ho s e n f o r r e v i e w b e c a u s e i t i s the l a r g e s t lo c a l D i s t ri c t i n t h e A R B P QA O and h a s th e mo s t s i g ni f i can t a i r qu a l it y i s s u e s. G r e a t B a s i n U n i f

i e d Ai r P ol l ut i o n C ontr o l Di s tri c t w a s c ho s e n a s an e x a mpl e o f a m e diu m s i ze o r g ani z at i o n an d a l s o b e ca u s e o f th e u n i qu e ai r q u a li t y p r obl e m s th a t e x i st i n th a t ai r b a s in

. F in a l l y , t h e N o r th e rn S i e rr a A i r Qu a l it y M an a g e m e n t Di s tri c t w as c ho s e n to b e r e p r e s e nt a t i v e o f t h e s m a l l Di s tri c t s and , g iv e n mo r e s trin g e n t th e N a tion al Ambi e n t Ai r Q u a li t y St a nd a r d s f o r PM 2 .5 and o z on e , th e m ount a i n c ount i e s a i r b a s i n is b e g i nni n g t o f

a c e ai r qu a l i t y no n a tt a in m e n t i s s u e s f o r th e f i r s t t i m e.
T h e m a jo r f indi n g s o f t hi s T S A p e rt ai n t o th e A R B ’ s r o l e a s a P QA O

. O n e o f the mo s t i m po rt a n t e l e m e n t s i n th e i m p l e m e nt a tion o f an ai r moni t o ri n g p r o g r a m is do c u m e n t at i on
. App r o p r i at e do c u m e nt a t i o n i n c l u d e s , bu t i s no t l i mi t e d to , s t a nd a rd op e r a ti n g p r o c e du r e s f

o r a l l a s p e c t s o f a n o r g a ni z a t i on ' s p r o g r am , d at a qu a lity a ss e s s m e nt s , logbook s tr a c kin g a c tu a l d a y
- t o
- d a y op e r a tion s , an d r e c o r d s o f qu a l ity c on t r o l an d m a int e n an c e c h e c k s
. O v e r s i g h t o f p e r s onn e l a n d a c t i vi t i e s involv e d i n t he c ol l e c t i on , p r o c e s s i n g an d s u b m i tt a l o f d a t a i s m u c h mo r e s tr a i g h t f o r w a r d w h en p r o c e du r e s a

r e s t and a r di z e d an d r e s pon s ibl e p e r s o nn e l r e c o r d t h e i r c ompl i a n c e w i t h th e se p r o c e du r e s
. T h e A R B ' s i n t e rn a l moni t o rin g p r o g r a m i s both w e l l o r g ani z e d an d w e ll m a int a in e d , an d g e n e r a l l y m ee t s o r e x c e e d s E P A mo n ito ri n g r e qui r e m e nt s
. How e v e r , our r e v i e w o f th e lo c a l D i s t ri c t p r o g r am s s h o w s t h at t h e A R B , i n i t s r o l e a s a P QA O f o r m o st lo c a l Di s tri c t s , do e s n o t f ul l y m e e t E P A r e qu i r e m e nt s
. S p e c i f i c a l l y , in f o rm a t i o n c oll e c t ed th r oug h t hi s T S A indi c a t e s th a t th e A R B i s no t f u l f i l lin g it s o v e r s i g h t r o l e a s th e P QA O. E x a mp l e s i n c lud e:

• T h e A R B P QA O d o e s n ot h a v e s u f f i c i e n t c on t r ol s i n p l a c e t o e n s u r e th at l o c al Di s tri c t s f oll o w c on s i s t e nt p r o c e du r e s a nd p r o du c e d at a o f s i m il a r q u a l it y.
• T h e A R B P QA O d o e s n ot h a v e s upp o rt o f c omm o n m a n a g e m e nt , h e a dqu ar t e r s , or l a bo r a to r y f

a c i l iti e s , wi t h t h e e x c e pt i on o f s om e a n a l y t i ca l l abo r at o r y a n a l y s is p e r f o rm e d b y th e A RB ' s M oni t o rin g an d L ab o r ato r y Div i s i o n ( M L D ) f o r s ome Di s tri c t s.
• T h e r e i s no c e ntr a l o r g ani za tio n th a t e n s u r e s D i s t ri c t s a r e a w ar e o f a n d f

ol l ow c h an g e s t o th e Q A M an u a l an d r e l a t e d S O P s.

3 T h e r e ar e 3 2 l o c a l D i s t

r i c t s t h a t ar e p art o f t h e A R B PQ A O

. A cc o rd i n g t o t h e C ali f o r n i a S tat e a n d L o c al A i r M o n i t o r i n g N e t w o rk P l an - 2 0 0 7 , pr e p ar e d b y t h e A R B ' s P la n n i n g a n d T e c hn i c a l S u p p o rt D i v i s i o n , A ir Q u a l i t y D at a B r a n c h i n J un e 2 0 0 7 , 2 2 l o c a l D i s tr i c t s o p e r a t e ai r mo n it o r i n g s t ati o n s i n t h e A R B P Q A O.7 • Di s tri c t s th at a

r e p art o f t h e A R B P QA O c ol l e c t d at a f o r E P A d e c i s i o n m a ki ng a nd/o r f und e d b y E P A th at i s no t q u a l it y a s s u r e d b y th e A R B P QAO.
G e n e r a ll y , t h e f

inding s p r e s e n t e d i n a T S A a r e f ol l ow e d with r e c om m e n d a t i on s to a dd r e s s th e s t at e d f

ind i ng
. In th e c a s e o f t hi s T S A , s om e o f th e m a j o r f i ndi n g s c ont a i n ed i n th i s r e po rt do no t in c lud e a r e c om m e nd a t i on
. T hi s i s b e c au s e in s o m e i n s t an c e s we b e l i e v e i t i s m o r e a

pp r o p ri at e to di s c u s s th e f in d in g s wi t h t h e A R B m an a g e m e n t and a rri v e at a mu t u a l l y a g r e e a bl e c o rr e c t i v e ac t i on
. F o r th e s e m o s t s igni f i c an t , ov e r ar c hi ng f ind i n g s , w e e x p e c t s ol u tion s t o i nvolv e a c oo r din a t e d e ff o rt b e tw ee n t h e A R B , th e l o cal Di s tri c t s wi t hi n th e A R B ’ s P QA O , a nd E P A Re g i on 9

. O n t h e oth e r h a nd , w h e re po s s i bl e an d a

p p r op ri a t e , r e c om m e nd at i on s ar e p r ovid e d t o g i v e s o m e ind i c a t i on o f the R e g i on ’ s e xp ec t at i on s a s to ho w f in d in g s c an b e a dd r e s s e d

. I f th e A R B h a s o t h er a pp r o ac h e s o r a l t e rn a tiv e s t o a dd r e s s th e c o n c e rn s i d e nt i f i e d , E P A wi l l c on s id e r t h e m, p r ovi d e d th e c o rr e c t i v e ac t i o n a d e qu a t e l y a dd r e s s e s t h e f inding

. I n g e n e r a l , th e f

ind i n gs an d r e c om m e n d a tion s i n thi s r e po rt a r e li s t e d i n p r i o ri t y o r d e r
. F in a l l y , i t i s i m po rt an t to not e t h at th e f

i ndin g s i n t hi s T S A a

r e n o t i nt e nd e d t o b e u s e d to v a l i d a t e o r i nv a l i d a te am bi e n t a i r qu a l it y d at a.
E P A woul d lik e t o t h an k a l l t h e s t a f f an d m an a g e m e nt o f th e A R B f o r th e ir s uppo rt an d c oop e r at i on du rin g th i s audi t.8 T hi s p a g e int e nt i on a l l y l e f t b l a nk9



## I N T RO D UC T I ON

I n th e s um m e r o f 2007 , E P A R e gion 9 c ond u c t e d a T e c hni c a l S y s t e m Audit (T S A ) o f t h e amb i e n t mo nito ri n g p r o g r am o p e r at e d b y and o v e r s e e n b y t h e A R B

. T he am bi e n t a i r moni t o ri n g p r og r a m i n th e S t a t e o f Ca l i f o rni a e n c o m p a ss e s m a n y a i r q u a l ity a ss e s s m e n t a c ti v i t i e s i n c lud i n g c ol l e c t i n g an d an a l y z i n g d at a f o r th e F e d e r a l c r it e r ia pol l ut a nt s an d m an y o th e r ai r pol l ut a nt s o f c o n ce rn , c oll e c t in g d at a fr o m s p e c i a l s tu d i es a s d i r e c t e d b y th e B o a

r d , d e t e rm i nin g wh i c h moni t o ri n g m e t hod s ar e u s e d b y th e S t ate an d lo c a l ai r d i s t ri c t s , i n c ompl i a n c e with F e d e r a l an d S t at e r e g u l at i on s , c o ndu c ting annu a l p e r f

o rm an c e audi t s o f a l l m onito r in g e qui pm e n t wi t hi n it s P QAO , i mp l e m e n t at i on o f a p r o g r am t o c a l i b r at e a n d c e rt i f y m e a s u r e m e n t s t a nd a

r d s , a n d c ondu c t i n g tr ai ni n g in th e o p e r a t i on o f am bi e n t ai r mo n ito ri n g i n s t rum e n t s.
E P A s t a f f int e r vi e w e d m an a g e m e n t and s t a f f i n th r e e b r an c h e s o f th e A RB M onito ri n g an d L a

b o r a t o r y Div i s i o n ( M LD ) an d o n e b r an c h o f th e Pl anni n g and T e c hn i c a l S uppo rt Div i s i o n ( P T S D )

. T h e T S A c o v e r e d th e a r e a s o f Ai r M oni t o ri ng N e two rk M an a g e m e nt , F i e l d Op e r a t i on s , L a b o r a t o r y Op e r a tion s , D at a an d D a ta M an a g e m e nt , a n d Qu a l i t y A s s u r a n c e
. I n a ddi t io n , t h e E P A s t a f f r e v i e w e d th e s e s ame a r e a s a s imp l e m e n t e d b y th r e e l o ca l Di s tri c t s : th e S an J o a qui n V a l l e y A i r P ol l ut i on C ontr o l D i s tr i c t , th e G r e a t Ba s i n U n i f i e d Ai r P oll u t i o n C ontr o l Di s tr i c t , an d th e No rth e rn S i e rr a Ai r Q u a l it y M a n a g e m e n t D i s t ri c t.
T h e A R B m an a g e r s an d s t a f f w e r e v e r y a c c om m od a tin g t o th e E P A audi t t e a m in m a kin g th e m s e lv e s an d t h e i r s t a f f a v ai l abl e f

o r m an y in t e r v i e w s , p r o ce du r a l r e v i e w s and moni t o ri n g s i t e vi s it s
. B r an c h C h i e f s in t e r v i e w e d we r e:
K e n S t r ou d - C hi e f , Ai r Q u a li t y S u r v e i l l an c e B r an c h ( AQ S B ) , M LD J e f f C oo k - C hi e f , Q u a l it y M a n a g e m e n t B r a n c h ( Q M B ) , MLD M i c h a e l P oo r e - C hi e f , No rth e r n L abo r a t o r y B r an c h , M LD K a r e n M a g l i an o - C hi e f , Ai r Qu a li t y D a t a B r an c h ( A QD B ) , P T SD
M an y oth e r ind i vidu a l s e c t i o n m an a g e r s a nd s t a f f w e r e i n t e r v i e w e d i n S a c r a m e nt o an d in th e f i e ld

. W e app r ec i a t e th a t A R B e n s u r e d th a t th e E P A audi t t e a m h a d ac c e s s t o a l l k ey p e r s onn e l i nvolv e d i n t h e c ol l e c tio n and qu a li t y a ss u r an c e o f a mb i e n t ai r qu a l it y d at a.
T h e E P A r e g ion a l s t a f

f m e m b e r s c ondu c t in g th e T S A w e r e C ath e r in e B r o wn, M e r e di t h K

u r piu s a n d R ob e r t P a ll a

r ino o f t h e Ai r D i vi s ion ’ s T e c hni c a l S u pp o rt O ff i ce andM ath e w P l a t e , S t e v e R e m a l e y a n d R o s e a n n e S ak a mo t o o f th e R e g ion 9 Qu a l ity A s s u r an c e O ff

i c e.
T h e T S A b e g an with a g e n e r a l m e e t i n g wi t h A R B m a n a g e r s and s t a ff on J un e 7 , 200 7 at th e M oni t o rin g a n d L ab o r at o r y D i vi s ion o ff i c e i n S ac r am e n t o , C A a n d c ontin u ed du rin g th e m onth s o f J un e , J u l y , a n d A u gu s t , 2007

. I n a ddi t io n t o t h e E P A Audi t T e a m, S ean H o g an an d E u g e ni a M c N au ghton , r e s p e c t i v e l y M an a g e r s o f E P A R e gion 9 's10

T e c hn i c a l S uppo rt O f

f i c e an d Qu a l it y A s s u r an c e O ff i c e , at t e nd e d t h e o p e ni n g m e e ti ng r e p r e s e nt i n g E P A M an a g e m e nt.
T hi s r e po rt i s d i vid e d i nt o e igh t m ai n s ec tion s
. T h i s f i r s t s e c t i o n i s an e x e c ut i ve s umm ar y t h at d e s c r ib e s t h e pu r po s e o f th e T S A a n d a s um m a r y o f t h e mo s t s i g ni f

i cant f ind i n g s
. T h e n e x t

s ec t i o n i s a n i ntr odu c tio n th a t p r ovid e s a b ri e f d e s c ript i on o f t he A RB ' s ai r m onit o ri n g p r o g r am a c t i vi t i e s , th e E P A audi t t e a m , a n d t h e r e po r t o r g a ni za tion. T h e t hi r d s e c t i on di s c u ss e s ou r m a j o r f i ndi n g s o n t h e A R B mo n ito ri n g p r o g r am a s a whol e
. T h e r e m a in i n g f

i v e s e c t i on s a d d r e s s s p e c i f i c a s p ec t s o f th e a i r mo n i t o ring p r og r a m: n e two rk m a n a g e m e n t , f i e ld op e r at i on s , l abo r at o r y op e r at i on s , d a ta m a n a g e m e n t a nd q u a l it y a s s u r a n ce /qu a li t y c ontr o l

. App e nd i x A i s a s umm a r y li s t i n g of th e f i ndin g s c on t a in e d i n th i s r e p o rt

. App e ndi x B c ont a in s t a b l e s s um m a

ri z in g th e S t a t e ’s ai r b a s i n s , m e t r opol i t an s t at i s ti c a l a r e a s , an d th e m ini m u m moni t o rin g r e qui r e m e nt s f or o z on e , PM 2 .5 a n d PM 10 .11



## M A J O R F I N D I N GS

F in d i n g M 1: T h e A R B P ri m a r y Q u a l it y A s s u r an c e O r g ani z at i on do e s no t m ee t t he r e qu i r e m e n t s in 40 C F R P a r t 58 , App e nd i x A , S ec t i on 3

. 1 f o r it s d e p e n d e n t Di s tri c t s. Di s c u s s io n: T h e A R B P ri m a r y Qu a l i t y A s s u r a n c e O r g an i z at i o n (f o rm e r l y c a l l ed

“ Re po rt i n g O r g a ni za tio n ” ) do e s no t h a v e s u ff i c i e n t c on t r ol s i n p l a c e t o e n s u r e th at l o cal Di s tri c t s f ol l o w c on s i s t e n t p r o c e du r e s and p r od u ce d at a o f s i m il a r qu a l it y
. Du rin g the c ou r s e o f o u r r e v i e w o f t h e C a l i f o rn i a amb i e n t a i r m oni t o rin g p r o g r a m w e f oun d th a t the A RB ' s ov e r s i g h t a n d i t s c ontr o l o v e r th e qu a l i t y o f d a t a p r odu c e d b y i t s d e p e nd e nt Di s tri c t s do e s no t m e e t th e r e qui r e m e nt s o f 40 C F R 58 a n d th at Di s tri c t s h a v e b e c ome mo r e i nd e p e nd e n t i n t h e i r d at a c ol l ec tio n a c t i vi t i e s , e i t h e r b y c hoi c e o r n e c e ss i t y
. B a s ed on ou r i nt e r v i e w s wi t h t h e A R B s t a f f an d m a n a g e m e n t , w e b e l i e v e th at a s i g ni f i ca nt c on t ribut i o n t o thi s r e du c tion o f th e A RB ' s ov e r s i gh t r o l e i s t h e f a c t th at M L D ’ s bud g et ands t a ff in g l e v e l s h a v e b e e n in s u ff i c i e n t t o s uppo r t m an y D i s t ri c t a c t i vi t i e s ( s u c h as c a lib r a t i on , s t and a

r di z at i on , tr a ini n g , d at a v a l i d at i on , and d at a r e po rt in g )

. 4 0 C F R 58 , App e nd i x A not e s: 3

. 1 Pr ima r

y Qual i t y A s s u r an c e O r gani z ation

. A p r i m a r

y qual i t y a s s u r a n ce o r gani z at i o n i s de

f i n e d a s a moni t o r i ng o r

gani z a t i on o r a c oo r

dinat ed agg r e g a tion of s u c h o r

gan i z a t i on s tha t i s r e s

pon s i b l e f

o r a s e t of s tat i on s th at moni t o r s th e s a m e p o l l u tant and f o r w hi c h d

a ta qual i t y a s s e ss m e nt

s c a n l ogi c ally b e po o l e d

. Ea c h c r i t e r i a p o llu tant s amp l e r /moni t o r at a moni t o r ing s tatio n i n the S L A M S n e t w o r k m u s t b e a s s o c iat e d w i th on e , and on l y on e , p r ima r

y qual i ty a s s u r an c e o r ga n i z ation.
3

. 1

. 1 E a c h p r ima r

y qua l i t y a s s u r a n c e o r gani z at i on s hal l b e d

e fin e d s u c h th at m e a s u r e m e n t u n c e r ta i nt

y among a l l s tation s i n th e o r ga n i z at i o n c an b e e

x p e c t ed t o b e re a s onabl

y ho m og e n e ou s , a s a re s u l t o f c ommo n f

a c to r s
. Com m o n f

a c to rs that s hou l d b e c on s i de r e d by monito r i ng o r gani z at i on s in de

f i n i ng p r ima r

y qual i ty a s s u r an c e o r ga n i z ation s i n c l ude: ( a ) Op e r a t i on by a c o m m o n t e am o f fi e ld op e r

ato r s a c c o r din g to a c ommon s e t o

f p r o c e du r e s; ( b ) U s e of a c o m m o n Q

A P P o r s tanda r

d op e r a t i ng p r o c e du r e s; ( c ) Com m o n c al i b r

atio n fa c i l it i e s and

s tanda r d s; ( d ) O ve r s ig h t b y a c om m on qual i t

y a s s u r a n c e o r gani z at i on ; and ( e ) Suppo r t b

y a c ommo n m ana g e m e n t , labo r ato r y o r h e adqua r t e r

s. 3

. 1

. 2 P r ima r

y qual i t y a s s u r a n c e o r gan i z a t i on s a r e not n e c e s s a r i l y re la t e d t o the
o r gani z at i on re

po r t i n g d at a to th e A QS

. M

o n ito r ing o r

ga n i z at i on s ha v i ng di f f i c ul t y in de f i nin g th e p r ima r

y qual i t y a s s u r a n c e o r gan i z a t i on s o r i n a s s ign i ng s p e c i f i c s i t e s to p r i m a r

y qual i t y a s s u r a n c e o r gan i z a t i on s s hou l d c on s u l t w i th the app rop r ia t e E

P A R e g i ona l Of

f i c e
. A l l d e f i ni t ion s of p r ima r

y qu a l it y a s s u r a n ce12 o r gani z at i on s s hal l b e s u bj e c t to f i nal app r o v al by th e app r

op r iat e E P A R e g i onal Of f i c e du r ing s c h e dul e d n e t

w o r k re v i ew s o r sy s t e m s audi ts.
T h e A R B P QA O d o e s n ot h a v e c om m o n f i e ld op e r a to r s b e tw e e n th e A R B and lo c a l Di s tri c t s
. T h e A RB d o e s o ff e r s om e t r ai n i n g a n d m e e ti n g s f o r f i e l d o p e r a to r s; how e v e r , th e s e a

r e c u rr e n tl y no t e x t e n s iv e an d m a n y D i s t ri c t s do not p a rt i c ip a t e
. I t w as not e d t h at th e A R B i s i m p r ov i n g i t s t r ai ni n g p r o g r am f o r am bi e n t a i r mon it o ri n g
. T his in c lud e s f ou r m odul e s , F und a m e nt a l s o f A i r M on it o rin g , St at i o n Op e r at i on s , Ca l i b r at i on P rin c i pl e s , a n d I n d ividu a l In s t rum e nt T r a ining

. T h e s e c ou r s e s wi l l b e a v a i l abl e t o the A R B e mp l o y e e s a s w e l l a s t o Di s tri c t p e r s onn e l.
T h e A R B P QA O h a s c o m m on p r o c e du r e s a v a i l abl e ; ho w e v e r , t h e r e a r e no a pp a r e n t m e c h a ni s m s o r p r og r a m s i n p l a c e t o e n s u r e th at Di s tri c t s a r e a do ptin g th e s ame p r o c e du r e s a s th e A R B

. M o r e ov e r , th e A R B h a s no t d e v e lop e d s t a nd ar d o p e r a ti ng p r o c e du r e s f

o r s om e e qu i p m e n t e m pl o y e d b y ind i vidu a l D i s t ri c t s
. Althoug h t h e A RB s om e t i m e s in f

o rm s Di s tri c t s o f p r o c e d u r a l c h a n g e s a nd p r o b l e m s , t h e A R B s t a f f ind i c a t ed th a t th e y do no t c on s id e r th e m s e l v e s obl i g a t e d t o in f o r m D i s t ri c t s o f th e s e i s s u e s
. M any Di s tri c t s c ho s e n o t t o f

ol l o w t h e A R B p r o c e du r e s an d Di s tri c t s t h at d e v e l o p an d f ol l ow th e i r o w n p r o c e du r e s d o n o t h a v e th e m a pp r o v e d b y A R B a s r e qu i r e d i n th e A R B QA M anu a l:
S e c t i on 1

. 0

. 2

. 3 : “ Unl e s s alt e r n a t i v e p r o c e du r e s a r e s u b m i t t e d i n wr i t in g to , and app ro v e d i n wr i t ing by th e A R B M oni t o r ing and Labo r

ato r y Di v i s ion , the p ro c e du r e s s e t fo r th i n th e A R B A i r M o n ito r in g Qual i t

y A s s u r an c e M anual ( V olu m e s I th rough V

I , a s de v e lop e d

) appl y to al l a g e n c i e s w i thi n th e A R B
r e po r t i ng o r

gan i z a t i on .”
T h e A R B P QA O h a s a “ S t and a r d s L abo r at o r y
. ” How e v e r , thi s l a bo r a to r y i s n ot ut i li z e d b y s o m e D i s t ri c t s and ut i li z at i on o f th e S t and a r d s L ab o r at o r y i s n o t c o m pul s o r y. Addi t ion a ll y , t h e A R B d o e s no t tr a c k o r c ontr o l t h e t yp e s o f s t a nd ar d s u s e d b y the Di s tri c t s.
T h e A R B P QA O d o e s h a v e c om m o n Q A ov e r s i g h t i n r e g a r d s t o i n s t rum e n t audi ts an d c ri t e ri a poll u t an t d a t a e v a lu a tion

. Ho w e v e r , n o t a l l in s t rum e n t s a r e a u dit e d no r a

re non
- c rit e r i a p o l l ut a n t l a

b o r a to r i e s a n d p r oj e c t s o p e r a t e d o r c o n tr ac t e d b y th e Di s tri c ts r out i n e l y o v e r s e e n b y th e A RB

. Addi t ion a l l y , d at a v a lid a t i o n a n d i nt e rn a l d at a c o rr e c t i ve a c tion s ( no t r e l at e d t o a u dit s ) a r e not p e rf

o rm e d c on s i s t e nt l y b y th e Di s tri c t s an d a r e no t a p a rt o f th e A R B Q A s y s t e m.
T h e A R B P QA O d o e s n ot h a v e s upp o rt o f c omm o n m a n a g e m e nt , h e a dqu ar t e r s , or l abo r at o r y f

a c i l it i e s , wi t h th e e x c e ption o f s o m e a n a l y t i ca l l a bo r a to r y an a l y s e s p e r f

o rm ed b y th e M L D l a

bo r a to r y f

o r s o m e D i s t ri c t s.
I n a ddi t io n t o th e C F R r e qu i r e m e n t s di s c u s s e d ab o v e , o t h e r c o m pli c a t in g f a c t o rs a r e t h at s o m e Di s tri c t s r e c e iv e s e p a r a t e mo n ito ri n g g r a nt s f

r om E P A an d / or ind e p e nd e nt l y r e p o rt d at a t o AQ S

. B a s e d on th e d i s c u s s ion o f th e f iv e P Q A O c ri t e ri a , the13

A R B P QA O do e s n o t m ee t th e C F R r e qui r e m e nt s
. M e e ti n g t h e s e r e qu i r e m e nt s f o r s ome Di s tri c t s m a y b e e a s y t o a c hi e v e , h o w e v e r o t h e r s op e r a t e wi t h a s i g n i f i ca n t l e v e l of ind e p e nd e n c e ( e
. g
. G r e at Ba s i n Uni f i e d A P C D ).
R ec o mm e nd a t io n:
T h e d e f i ni t ion o f a P Q A O i n c l ud e s f i v e c ri t e ri a a s di s c u ss e d a bov e
. T h e A R B h as p r opo s e d a numb e r o f ac tion s th at wou l d e n a bl e t h e m t o m ee t t h e f

i r s t tw o c rit e r i a, op e r a tio n b y a c om m o n t e a m o f f i e l d o p e r a to r s a cc o r din g t o a c om m on s e t o f p r o c e d u r es and u s e o f a c o mmo n Q A PP o r s t an d a r d op e r at i n g p r o c e du r e s
. T h e A R B ' s p r opo s ed a c tion s h a v e b e e n in c o r

po r at e d i nt o th i s r e c om m e nd e d c o r r e c tiv e a c t i on.
T o f u l f i l l t h e r e qu i r e m e n t th at a P QAO d e mon s tr a t e th a t moni t o ri n g e quip m e n t is op e r a t e d a c c o r d in g t o a c om m on s e t o f p r o c e du r e s a n d th at a l l a g e n c i e s wi t hi n th e A RB P QA O u s e c om m o n QA PP s an d S O P s , th e A R B A Q S B w i l l:
1 ) I d e nti f y a p ri m a r y m o ni t o ri n g p o i nt o f c ont ac t f o r eac h no n
- A R B di s tri c t (‘ Di s tri c t ’) with i n t h e A R B P QA O. 2 ) P r ovid e Di s tri c t s w i t h S O P s , ca l i b r a tion s p r e a d s h ee t s , d a t a r e vi e w p r o c e du r e s, m a int e n an c e f

o rm s a n d t e c hni c a l bul l e t i n s f o r F R M an d FE M an a l y z e r s a n d s am pl e rs op e r a t e d b y th e A R B

. T h e s e wi l l b e upd at e d a n n u a ll y. 3 ) Re qui r e th at e a c h D i s t ri c t f o rm a ll y a dop t t h e A R B S O P s c a l i b r at i on s p r e a d s h e e t s, m a int e n an c e f

o rm s a n d t e c hni c a l bul l e t i n s. 4 ) Re qui r e th at e a c h D i s t ri c t noti f y C hi e f , A Q S B w h e n t h e r e l e v a n t m at e ri a l s h a v e b een a dop t e d f o r F R M a n d F E M d e v i c e s , o r th a t th e y d o no t c ondu c t F RM /F E M air moni t o ri n g a nd p e riod i c a ll y upd at e th e i r a dopt i o n l i s t. 5 ) Re qui r e th at e a c h D i s t ri c t d e v e l o p S O P s and oth e r r e l e v a nt do c u m e n t at i o n f or F R M / FE M a n a l y z e r s a n d s am pl e r s th at ar e not op e r a t e d b y th e A R B u s i n g th e A RB 's s t and a r di z e S O P f

o rm at

. Di s tri c t s w i l l b e r e q u e s t e d to s u b m i t t h e i r S O P s , e t c
. t o A R B f or r e v i e w an d a

pp r o v a l

. P r ovid e e ac h s t a f f p e r s o n a c o p y o f r e l e v an t S O P an d e n s u r e i t is und e r s too d a n d f

ol l ow e d.
T h e A R B h a s a l s o c o rr e c t l y i d e nt i f i e d tr a in in g o f op e r a to r s a s n ec e ss a r y t o e n s u re c on s i s t e n c y o f moni t o r o p e r a t i on s
. I n a ddi ti o n t o th e t r ai nin g p r o g r a m m e n t i on e d above i n th e d i s c u s s ion o f thi s f inding , th e A R B h a s a l s o p r opo s e d th a t t h e A Q S B w i l l:
1 ) P r ovid e t r ai nin g ann u a l l y ( i n S a c r a m e nto ) on a ) f und a m e nt a l s o f ai r m oni t o ri n g, b ) p rin c ip l e s o f ca lib r a t io n, c ) s t a tion op e r a tion , and, d ) in s tru m e n t s p e c i f

i c t r a i n in g , i n c lud i n g d a t a v a l i d a tio n f o r th a t in s trum e n t ( on ly f o r i n s t rum e nt s op e r a t e d b y th e A R B ).
2 ) Re qui r e th e D i s t ri c t s t o s e nd s t a f f t o ap p r op ri a t e tr a in i n g ( c on s id e ri n g s t a ff ' s dut i e s) an d th a t th e Di s tri c t p r o v id e f o r s t a f f ' s t r a v e l an d p e r- d i e m e x p e n s e s a s a pp r op ri at e.14 Re g ar d in g t h e P QA O c rit e r io n th at a g e n c i e s w i t hi n th e o r g ani z at i on u s e c o mmon c a lib r a t i o n f

a c i l it i e s and s t and a

r d s , t h e A R B h a s p r opo s e d t h at th e Qu a li t y M an a g e m e nt B r a n c h ( Q M B ) w i ll:
1 ) I n i t i at e t h e A i r Q u a l i t y D at a A c t i o n ( AQ D A ) p r o c e s s i n th e A R B ' s S t and a r d ’s L a b o r a to r y
. T h i s p r o c e s s w i l l not i f y D i s t ri c t s wh e n an in s tru m e n t f a ils a cce pt a n c e c ri t e ri a f

o r r e c e rti f i c at i on
. T h e AQ D A wi l l r e qu e s t an inv e s ti g at i on of t h e p r obl e m fr o m th e c l i e n t D i s tr i c t. 2 ) Re t a in up
- to

- d a t e r ec o r d s on th e s ou r c e o f c e r t i f i c a tion o f g a s a n d f

l ow s t a nd a r d s f o r F R M an d F E M i n s t rum e nt s u s e d b y di s tri c t s i n t h e A R B P QA O. R e c o r d s i ndi c a t e t h e r e ar e f e w i f a n y Di s tri c t s th at do not u s e th e S t and a r ds L a b o r a to r y f

o r c ri t e ri a p o l l ut a n t moni t o ri n g
. Q M B /QA s t a f f wi l l c ondu c t a s u r v e y to d e t e rm i n e th e s ou r c e an d e n s u r e N I S T t r a ce a bi l i t y i s m a in t ain e d f

o r a ll F R M a n d F E M in s tru m e nt s o p e r a t e d b y tho s e i n t h e A R B P QA O.
Re g ar d in g d a t a c o rr ec t io n s t h at m a y b e n ece s s a r y a s a r e s ult o f t h e d ata v e ri f i c a t i o n a n d v a lid a t i on p r o c e s s , th e A R B h a s p r opo s e d to h a v e t h e AQ S B c ont a ct Di s tri c t s t h at r e c e i v e an y ai r q u a li t y d a t a a c t i on s ( A Q DA s ) th a t r e s ul t fr o m an audi t

. T he A Q S B wi l l f

ol l ow
- u p w it h th e Di s tri c t s t a f f a s p a rt o f th e AQ D A c o r

r e c t i v e a c tion r e s ol u tio n and p r ov i d e tr ai nin g o r o t h e r t e c hn i c a l a ss i s t an c e a s n e e d e d

. T h e Ai r Qu a l i ty D at a B r a n c h ( AQD B ) w i l l r e qui r e t h at Di s tri c t s w i t hi n th e A R B P QAO , f o r whi c h A RB do e s n o t s ubm i t d at a , m ak e c o r r ec t i on s c a u s e d b y a n AQ D A i n a t i m e l y m a nn e r i n AQ S. F u rth e r , th e Di s tri c t s wi l l s ubm i t a c o p y o f th e E P A r e qu i r e d annu a l c e rt i f i c a t i on do c u m e n t at i o n t o t h e Ai r Qu a li t y D at a B r an c h.
T h e A R B n e e d s t o t ak e s om e a d d i t ion a l a c t i on s t o e n s u r e th a t it s o wn o r g an i za tion , a s w e l l a s th e l o c a l D i s t ri c t s i n i t s P QAO , i s f u ll y an d c on s i s t e nt l y a w ar e of Q A i s s u e s i n th e m onit o rin g p r o g r am
. T o t h at e n d , w e p r opo s e t h at th e A R B d e s i g n a t e a Q A l e a d w i t h d e f

i n e d au t h o ri t y f

o r w o rk i n g w i t h P QAO d i s tr i c t s f o r e a c h r e l e v ant o ff

i ce i n th e A R B , e
. g
. t h e AQ S B , th e No rth e rn L a b o r a t o r y B r an c h an d th e Qu a l ity M an a g e m e n t B r an c h wi t hi n th e M oni t o rin g an d L abo r at o r y D i vi s io n an d t h e A Q DB with i n t h e P l ann i n g a n d T e c hni c a l S e r vi c e s Di v i s ion

. W e a l s o r e c om m e n d th a t th e A RB d e s i g n a t e a Q A c o o r din a t o r wi t h r e s pon s ibi l i t y f o r ov e r s e e i n g Q A ac t i vi t i e s , c onv e n ing Q A wo rki n g g r ou p m ee t i n g s an d r e v i e wi n g an d a pp r ovin g q u a l it y do c u m e nt s s ubm i tt ed b y th e ai r d i s t ri c ts , M L D , and oth e r A R B D i vi s ion s
. Di s tri c t s i n th e A R B P QA O s ho u ld a l s o d e s i g n a t e QA p o i nt s o f c on t a c t

. T o a s s i s t th e A R B i n i m pl e m e nt i n g th is r e c om m e nd a tion , E P A R e g ion 9 wi l l: 1 ) P a rt i c i p at e i n Q A w o rki n g g r ou p m e e t in g s i n a n a dvi s o r y c a p a c i t y , t a ki n g an ov e r s i g h t r ol e f

o r d o c u m e n t r e vi e w ( Q M P s , Q A Pr o j e c t Pl an s , in c l udin g tri b al p l an s ); 2 ) C oo r d i n at e wi t h t h e A R B on di s tri c t moni t o ri n g a nd qu a l it y a s s u r a n ce. 3 ) D e f e r an d r e f e r t o t h e A R B q u e s t i on s a n d i s s u e s fr om di s tri c t s r e g ar d ing m onit o rin g c ondu c t e d th a t s upp o rt s th e A R B P QAO

. T hi s w ou l d o c c u r r e g a r dl e ss o f th e d i s t ri c t ' s s t at u s a s a n E P A g r an t e e o r d at a r e po rt i n g o r g ani z at i on. 4 ) R e c om m e n d th a t di s t ri c t s u s e th e A R B p r o c e s s i n p l a c e t o r e q u e s t th e u s e of a lt e r n at i v e m e thod s a n d e quip m e n t.15

F in d i n g M 2: T h e r e i s n o c e n t r a l o r g a ni za tio n th at e n s u r e s D i s t ri c t s a r e a w a r e o f a nd f ol l o w c h an g e s t o th e Q AM anu a l a n d r e l a t e d S O P s. Di s c u s s io n: T h e A R B M L D b r an c h e s u s e th e a g e n c y w e b s i t e to upd at e d o c um e nts in c o r po r a ti n g op e r a t i on a l c h a n g e s
. T h e s e c h a n g e s a r e not no rm a l l y c o mm u n i c a t e d t o the Di s tri c t s i n t h e A R B P QA O

. T o e n s u r e th e P QA O i s f un c tio n in g c on s i s t e n tl y , i t s hou ld not i f y a l l Di s tri c t moni t o ri n g s t a f f o f c h a n g e s a nd , wh e r e n e e d e d , p r o v id e guid a n c e a nd tr a in i n g on i m pl e m e nt in g c h a n g e s , an d v e ri f y t h at c h a n g e s h a v e b ee n i m pl e m e nt e d or th a t th e p r o c e d u r e s u s e d a r e oth e r w i s e e quiv a l e n t.
R ec o mm e nd a t io n: A s di s c u ss e d i n t h e r e c om m e nd a tio n t o F ind i n g 1 a b o v e , th e AQ SB wi l l t ak e s t e p s an d imp l e m e nt p r o c e du r e s t o e n s u r e th a t t h e A R B a n d t h e D i s t ri c t s i n i ts P QA O a r e a l l u s in g th e s am e Q A an d S t an d a r d O p e r a t in g P r o c e d u r e s
. T h e AQ S B wi ll a c hi e v e thi s b y:
1 ) P r ov i din g Di s t ri c t s w it h S O P s , c a l i b r at i on s p r e a d s h e e t s , d at a r e v i ew p r o c e du r e s , m ai nt e n a n c e f o rm s an d t e c hn i c a l b u l l e t i n s f o r F R M a n d F EM a n a l y ze r s a nd s a mpl e r s op e r a t e d b y th e A R B

. T h i s w i ll b e up d a t e d ann u a l l y. 2 ) Re qu e s t i n g t h at e a c h Di s tri c t f o rm a l l y a do p t t h e A R B S O P s ca l i b r a tion s p r e a d s h e e t s , m ai nt e n an c e f o rm s an d t e c hn i c a l bu l l e tin s. 3 ) Re qu e s t i n g t h at e a c h Di s tri c t noti f y t h e C hi e f o f t h e A Q S B w h e n t h e r e l e v a nt m at e r i a l s h a v e b ee n a d o pt e d f o r F R M a n d F E M d e v i c e s , o r th a t th e y do not c ondu c t F RM /F E M a i r m oni t o rin g a nd p e riodi c a ll y upd at e t h e i r a doptio n l i s t. 4 ) Re qu e s t i n g t h at e a c h Di s tri c t d e v e lo p S O P s and oth e r r e l e v ant do c um e nt at i on f o r F R M / F E M a n a l y z e r s a nd s am pl e r s th a t a r e no t op e r a t e d b y th e A R B u s in g t he A RB ' s s t a nd a

r d i z e S O P f

o rm at

. D i s t ri c t s wi l l b e r e qu e s t e d t o s ubm i t th e i r S O P s, e t c
. t o A R B f

o r r e v i e w a n d app r ov a l

. Pr o v id e eac h s t a ff p e r s o n a c op y o f t he r e l e v a n t S O P a n d e n s u r e i t i s un d e r s too d an d f ol l o w e d.
F in d i n g M 3: T h e A R B P QA O h a s a c o rr e c t i v e ac tion p r o c e s s i n it s Q A M a nu a l , bu t i t is not b e i n g appl i e d out s id e th e Qu a li t y M an a g e m e n t B r a n c h ( Q M B ) p e rf o rm an c e a udit p r og r a m. Di s c u s s io n: T h e QA M a nu a l Vo l um e I d e f i n e s th e A R B ’ s o n l y f

o rm a l d a t a c o r

r ec t i ve a c tio n a s an A i r Qu a l it y D at a A c tio n ( AQ D A )

. T h e d e f ini t io n fr o m S e c ti o n 1

. 0

. 6

. 3 i s:
A n A i r Qual i t

y Data A c t i o n (

A Q D A ) i s a re q u e s t f

o r an in v e s t i gat i on o

f the v alidi t y o f a mbi e nt ai r qual i t

y d a ta f o r a ce r ta i n p e r i od o

f t i m e
. F igu r e 1

. 0

. 6

. 3 de pi c t s an A QD A re q u e s t fo r

m
. A QD A re qu e s t s c a n b e i ni t iat e d b

y a n y p e r s on s u s p ec t i n g e r r

o n e ou s da t a and

s e rve s a s a m e an s f

o r w i thho l ding qu e s t i on a bl e a ir qual i t y data p e ndin g fu r t

h e r i n ve s t i gation. AQ D A c o rr ec ti v e a c t i on s w e r e n o t f oun d t o b e u s e d out s id e o f th e A R B M L D Qu a l ity A s s u r an c e S ec t i on ’ s p e rf o rm a n c e / s it e a udi t p r o g r a m
. T h e M L D A i r Qu a li t y S u r v e i l l an ce B r a n c h h a s a f

o rm a l c o r r e c t i v e ac tion p r o c e s s b e y on d th e AQ D A P r o ce s s t h at r e s u l t s in16

moni t o ri n g b u l l e tin s b e in g s e nt out , b u t t hi s p r o ce s s do e s no t g o th r o u g h in d e p e nd e n t QA r e v i e w
. T h e e xt e n t t o whi c h f o rm a l c o rr e c t i v e a c t i o n i s t a k e n i n th e Di s tri c t s w a s n ot d e t e rm i n e d

. How e v e r , D i s tri c t c o rr e c t i v e a c t i o n d o e s no t r out i n e l y g o t o th e A R B M LD f o r r e v i e w , and on th e o c c a s io n w h e n it do e s ( f o r NA A Q S d e t e r min a tion s ) th e p r o c e ss u s e d i s no t d e f

i n e d.
R ec o mm e nd a t io n: A s di s c u ss e d i n t h e r e c om m e nd a tio n t o F ind i n g 1 , t h e A RB h as p r opo s e d to h a v e t h e A Q S B c ont a c t Di s tri c t s t h at r e c e i v e an ai r q u a li t y d a t a a c t i on ( A Q DA ) th at r e s ul t s fr o m an au d it , a n d f ol l o w u p wi t h t h e s t a f

f i n t h e r e s olut i o n w i th tr a in i n g o r oth e r t ec h ni c a l a s s i s t a n c e a s n ee d e d

. T h e C h i e f o f th e A S Q B w i l l r e qu e s t t h at Di s tri c t s wi t hi n th e A R B P QAO , f o r wh i c h A R B d o e s n o t s ubm i t d at a , m ak e c o r r ec t i ons c a u s e d b y an AQ D A i n a t i m e l y m a nn e r i n AQ S , an d th a t th e Di s tri c t s s ubm i t the r e qu i r e d annu a l c e rt i f

i cat ion do c u m e nt a t i o n t o t h e E P A Re g ion 9 o ff i c e s , w i t h a " cc" c o p y s e n t t o th e C h i e f o f t h e A Q D B

. Fu rth e r , t h e C hi e f o f th e Q M B wi l l i ni t i at e the AQ D A p r o ce s s i n th e A R B ' s St an d a r d ’ s L ab o r at o r y
. T hi s p r o c e s s wi l l n o t i f y Di s tri c ts wh e n an in s tru m e n t f

a il s a cce pt a n c e c ri t e r i a f

o r r e c e rti f i ca tion

. T h e AQ D A wi l l r e qu e st an inv e s t i g a tion o f th e p r obl e m fr o m th e c li e n t D i s t ri c t.
I n a ddi t io n t o th e A RB ' s e x i s ti n g AQ D A p r o ce s s , a d d i t ion a l c o r r e c t i v e a c t i on p r o c e du r e s s hou l d b e i ni t i at e d t o a dd r e s s o t h e r a s p e c t s o f th e ai r qu a l it y m o ni t o ring p r og r a m
. I n t h e s e c t i o n o f th i s r e po rt th at a dd r e s s e s Qu a l it y A s s u r a n c e , w e n o t e in F indi n g s QA4 , QA 5 a n d QA 6 th at t h e A RB s hou l d in s t i tut e a p r o g r a m o f d a t a q u a li ty audi t s , r e v i e w s o f th e M L D ' s an d Di s tri c t d at a r e du c tio n an d r e vi e w p r o c e du r e s , and c h e c k s o f th e p r e c i s i o n a n d a c c u r a c y o f D i s t ri c t g e n e r a t e d d at a
. T h e A R B n ee d s to d e v e lo p an d i m pl e m e n t t h e s e a ddi t ion a l r e v i e w p r o c e du r e s
. App r op ri a t e c o rr e c tive p r o c e du r e s s hou l d b e u n d e r t ak e n , i f n e c e s s ar y , a s a r e s ul t o f th e s e r e vi e w s
. In a ddi ti on, A R B n e e d s t o i n c o r

po r a t e a p r o c e s s to h and l e c o r r e c t i v e a c t i on s t h at o ri g i n at e fr om Di s tri c t s t a f

f an d m an a g e m e n t i n a c on s i s t e n t m an n e r.
F i nd i n g M 4: T h e A R B c ol l e c t s e nvi r on m e n t a l d at a f o r E P A d e c i s ion

- m a kin g th a t is f und e d i n whol e o r p a

rt b y E P A b u t i s not s u b

j e c t t o th e r e q u i r e m e n t s o f t h e A R B a nd E P A qu a l it y a s s u r a n c e p r o g r a m s. Di s c u s s io n: E P A g r a n t doll a r s , i n who l e o r p a

r t , a r e u s e d b y th e A R B t o c oll e ct e nv i r onm e nt a l d at a
. H o w e v e r , th e A R B d o e s no t h a v e a s y s t e m o f c e ntr a l i z e d Qu a l ity M an a g e m e n t t o e n s u r e th at t h e s e d at a , wh i c h in s o m e c a s e s a r e u s e d to s upp o rt E PA d e c i s ion

- m aki n g , m e e t f

e d e r a l qu a l i t y a s s u r an c e r e qui r e m e nt s
. T hi s i s c o n tr a r y t o wh at is r e f l ec t e d i n th e A R B Q A M a nu a l.
T h e Q M B ' s f

o c u s i s o n m onito ri n g p r oj e c t s wh i c h o ri g i n at e i n t h e M L D

. T he Q MB s t a f f w a s un ab l e to p r ov i d e th e E P A a udi t o r s with th e d e t a il s on p r o j ec t s th at o ri g i n at e in oth e r A R B D iv i s i on s
. F u rth e r mo r e , th e Q M B d o e s not b e l i e v e t h at M LD h as an y Q A r e s pon s ibi l i t y f

o r p r oj e c t s o ri g i n at e d b y o th e r A R B Divi s ion s , a n d i s di s in c lin ed t o a pp l y E P A qu a l i t y a s s u r an c e s t and a r d s to d at a c ol l ec t e d b y M L D th a t i s n o t d i r ec t ly r e q u i r e d o f M L D b y E P A a i r moni t o rin g r e gul ati on.17 On e s p ec i f

i c p r o j ec t wi th E P A f

undi n g , ov e r whi c h th e M LD Q M B h a s not e x e r c i s e d Q A a uth o ri t y , i s t h e on g oi n g L a k e T a h o e s t u d y
. Ano th e r p r oj e c t , wi t h wh i ch th e Q A B r a n c h i s i nvolv e d , bu t th e Q M B s t a f f s t a t e d w a s no t r e l e v an t to E P A ’s ov e r s i g h t , i s t h e L od i d i e s e l e m i s s i on s s t u d y
. A f t e r r e v i e wi n g th e A RB ’ s 200 7 F e d e r al C l e a n A i r A c t S e c t i on 1 0 5 g r an t wo rk pl a n , E P A a udito r s d e t e r m i n e d i t i s e vid e n t th at t he L od i s tu d y s upp o rt s s e v e r a l a c t i vi t i e s s p e c i f i ca l l y c a ll e d o u t und e r t h e g r an t.
Al l o r g a ni z at i on s c ond u c t i n g e nvi r on m e n t a l p r o g r a m s f und e d b y E P A a

re r e qu i r e d t o e s t abli s h an d imp l e m e n t a qu a l it y m an a g e m e n t s y s t e m
. I n a c c o r d an c e wi th 4 0 C F R P a

rt 31 and 35 , g r an t r e c i p i e n t s a r e r e qui r e d to do c um e n t t h e i r q u a l i t y s y s t e m in a Qu a l it y M a n a g e m e n t P l an th r ou g h E P A O r d e r 5 360

. 1 A2 , P ol i c y an d P r o g r am R e qu i r e m e n t s f

o r t h e M a nd at o r y A g e n c y
- wid e Q u a l it y S y s t e m ( E P A 2000 ).
W h e r e d at a c ol l ec tio n i s n o t f und e d b y E P A bu t th e r e s ult s u s e d f o r E PA d e c i s ion s ( i n c l udin g S IP s a n d C A A rul e m akin g ) , t h e d a t a mu s t e i t h e r d i r e c t l y m e e t the r e qu i r e m e n t s f

o r E P A f u nd e d p r o j ec t s in 5360

. 1 o r b e a c c e p t a b l e a s s e c on d ar y d at a by d e m on s t r at i n g v a l i di t y t h r ou g h q u a l it y a s s u r a n c e a nd/o r s c i e nti f i c p e e r r e v i e w
. T h i s is di c t at e d b y r e qu i r e m e n t 8 o f E P A O r d e r 5360

. 1 A2 4 : ( 8 ) A ss e s s m e n t o

f e x i s t i ng data , w h e n u s e d to s uppo r t A g e n c y de c i s i on s o r o th er s e c onda r y pu r po s e s , to ve r i

f y tha t th ey a re of s uf

f i c i e nt quant i t

y and a d e q u ate qual i t y f o r th e i r i nt e n d e d u s e.
W h e r e d at a c ol l ec tio n e f

f o rt s do no t in c lud e s u ff

i c i e n t q u a li t y c ontr o l s to be a ss e s s e d o r p e e r r e vi e we d , th e d at a s ho u ld not b e u s e d to s upp o rt E P A d e c i s ion s.
R ec o mm e nd a t io n: I n s t i tut e a Q A wo rk g r ou p f o r t h e A R B P QA O

. T hi s w o rkg r oup , or th e A R B P QA O Q A C oo r d in at o r a nd E P A wi l l w o rk to g e th e r t o id e nti f y s p e c i a l p r o

j ec ts th a t u s e E P A f

undin g f o r d at a c ol l ec t i o n an d e n s u r e th a t a l l app r op ri a t e an d r e q u i r e d QA a c tivi ti e s a

r e b e i n g m e t.
F in d i n g M 5: D i s tr i c t s th a t a r e p a rt o f th e A R B P QA O c o ll e c t d at a f o r E P A d e c i s ionm a kin g and/ o r f

un d e d b y E P A th at a

r e not qu a l i t y a s s u r e d b y t h e A R B P QAO.
Di s c u s s io n: T h e Di s tri c t s t h at a r e p a rt o f t h e A R B P QA O c ol l ec t moni t o rin g d at a th at a r e n o t r e l at e d t o th e P QAO ’ s a c t i vi t i e s
. T h e s e d at a c ou l d b e f o r s p ec i a l p r oj e c t s ini t i a t ed b y indiv i du a l Di s tri c t s o r f o r p r o g r a m s d i c t a t e d b y E P A ( s u c h a s P A M S)

. W h e r e this d at a c ou l d b e u s e d f

o r E P A d e c i s ion

- m akin g o r th e i r c ol l ec t i o n f un d e d b y E P A , the Di s tri c t s s hould h a v e i nd e p e nd e n t q u a l i t y s y s t e m s a nd s uppo rt i n g q u a l it y a s s u r a n ce pl a n s
. T hi s i s n o t a lw a y s th e c a s e
. T h e Di s tri c t s s hou l d m ak e i t t r an s p a r e n t to E P A and th e A R B w h i c h moni t o ri n g i s int e nd e d to b e in c l u d e d un d e r t h e A R B P QAO

. W h e re moni t o ri n g i s no t c l e arl y p a r t o f t h e A R B P QA O r e s pon s i bi l iti e s , th e Di s tri c t s m u st m a int a i n an a

pp r o p ri at e qu a l it y a s s u r a n c e s y s t e m
. In th e c a s e o f E P A -f un d e d wo rk , th is

4 P o l i c y an d P rogr a m R e q u i r em e n t s f o r t h e M a n d a t or y A g e n c y- w i d e Q u a l it y S y s t e m , C l a ss i f i c ati o n N o .: 5 3 6 0

. 1 A 2 , M a y 5 , 2 00018

r e q u i r e s th e Di s tri c t t o ac t a s a P QA O f o r th e wo rk in qu e s t i o n a n d t o s ubmi t a pp r op ri ate Q A PP s.
R ec o mm e nd a t io n: A s di s c u ss e d i n F i ndin g 4 , a l l o r g ani z at i on s c ondu c t i ng e nv i r onm e nt a l p r o g r am s f und e d i n whol e o r p a

rt b y E P A ar e r e qui r e d t o e s t a bl i s h a nd i m pl e m e n t a q u a li t y m an a g e m e n t s y s t e m
. T h e r e qui r e m e nt s o f E P A O rd e r 5360

. 1 A2 a pp l y t o t h e D i s t ri c t s wi t hi n th e A R B P QA O , a s w e l l a s t o th e A R B it s e l f

. T h e QA wo rk g r ou p m e n tion e d i n t h e r e c om m e n d at i o n t o F i ndin g s 5 s ho u l d a l s o a d d r e s s thi s i s s ue an d e n s u r e th at a l l d at a c oll e c t i o n ac t i vi t i e s f und e d i n whol e o r p a

rt b y E P A m e e t t he a pp r o p ri at e Q A r e qu i r e m e nt s.
F in d i n g M 6: T h e A R B QA M an u a l do e s n o t f ul l y m e e t E P A ’ s Q M P an d Q A PP r e q u i r e m e n t s. Di s c u s s io n: T h e A R B A i r M oni t o rin g Qu a l i t y A s s u r an c e M a nu a l i s r e g u l ar l y up d a t ed and po s t e d on th e A R B w e b s i t e f o r M D L an d D i s tri c t s t a f

f r e f e r e n ce
. T h e Q AM an u al m e e t s m an y o f th e E P A ’ s r e qui r e m e nt s f o r Qu a l i t y M an a g e m e n t P l an s ( Q M P s ) and Qu a l it y A s s u r an c e Pr o

j e c t Pl an s ( QA P P s )

. How e v e r , s o m e a ddi t ion a l in f o r m at i o n a nd p r o c e du r e s n ee d t o b e in c o r po r at e d in t o t hi s do c u m e n t

. E P A a l s o r e q u e s t s th at th e A RB f o rm a l l y d i vid e th i s do c um e n t i nt o a Q M P a n d QA P P s o r p r ov i d e a c r o ss w a l k o f ho w a nd wh e r e th e E P A Q M P a n d QA P P r e qui r e m e n t s h a v e b e e n a dd r e s s e d i n a p r ea mb l e t o t he do c u m e n t.
T h e l a s t QA p l a nni n g d o c u m e n t s a pp r o v e d b y E P A w e r e a PM 2 .5 QA P P an d the A R B ’ s Qu a l i t y A s s u r an c e M a nu a l i n D e c e m b e r 1 99 8 a n d J un e 1993 , r e s p e c t i v e l y
. In o r d e r t o f ac i l it a t e r e v i e w , th e A R B s ho u l d f o rm a ll y c on t ac t E P A Re g i on 9 an y t i me s i g ni f i c a n t c h an g e s a

r e m a d e t o th e QA M o r it s at t ac h m e n t s s o E P A can e x p e di t iou s ly p e rf o rm r e vi e w s. Al l o r g a ni z at i on s c ond u c t i n g e nvi r on m e n t a l p r o g r a m s f und e d b y E P A a

re r e qu i r e d t o e s t abli s h an d imp l e m e n t a qu a l it y m an a g e m e n t s y s t e m
. I n a c c o r d an c e wi th 4 0 C F R P a

rt 31 and 35 , g r an t r e c i p i e n t s a r e r e qui r e d to do c um e n t t h e i r q u a l i t y s y s t e m in a Qu a l it y M a n a g e m e n t P l an th r ou g h E P A O r d e r 5 360

. 1 A2 , P ol i c y an d P r o g r am R e qu i r e m e n t s f

o r t h e M a nd at o r y A g e n c y
- wid e Q u a l it y S y s t e m ( E P A 2000 ). Addi t ion a ll y , r e qui r e m e n t s s p ec i f i c t o a mbi e n t ai r mo n ito ri n g ar e f oun d i n 4 0 C F R , P a

rt 58 , App e nd i x A , S e c tion 2

. 1

. Gui d an c e on d e v e l o p i n g Q M P s can b e f oun d i n th e E PA g uid a n c e d o c u m e n t “ E P A R e qui r e m e nt s f o r Qu a l i t yM an a g e m e n t P l an s ” , E P A/24 0 /B01/002 , M a

r c h 2001.
T h e E P A a l s o r e qui r e s th a t o r g an i z at i on s d e v e l o p a QA P P f o r ea c h t yp e of am bi e nt pollu t an t t h at i s m e a s u r e d

. T h e QA P P in t e g r a t e s a l l t ec h n i c a l an d qu a l it y a s p ec ts o f a p r oj ec t , i n c lud i n g p l ann i n g , i m pl e m e n t at i on , an d a s s e s s m e n t

. T h e p u rpo s e o f the Q A P P i s to do c u m e n t p l annin g r e s u l t s f o r e nv i r o n m e nt a l d a t a o p e r at i on s a n d to p r ov i d e a p r oj e c t

- s p e c i f

i c “ b l u e p ri n t ” f

o r obt ai ni n g th e t y p e a nd qu a l it y o f e nvi r on m e n t a l d ata n e e d e d f o r a s p ec i f

i c d ec i s i on o r u s e
. T h e QA P P d o c u m e nt s h o w qu a l it y a s s u r an c e and qu a l it y c ontr o l ar e appl i e d t o an e nvi r onm e n t a l d a t a op e r a tio n t o a s s u r e th e r e s u l ts19

obt a in e d a

r e o f th e t yp e a nd qu a l it y n ee d e d an d e x p e c t e d

. Fu rt h e r g ui d a n c e on d e v e lop i n g QA P P s c a n b e f oun d i n t h e g uid a n c e d o c um e n t s “ E P A R e q u i r e m e n t s f or Qu a l it y A s s u r an c e Pr o

j e c t P l a n s , ” E P A/240 / B

- 01/003 , M a r c h 2001 , an d “ G u i d an c e f or Qu a l it y A s s u r an c e Pr o

j e c t P l a n s , ” E P A/240/R

- 02 /009 , De ce mb e r 2002.
R ec o mm e nd a t io n: A s p a rt o f th e o v e r a l l r e inv i g o r at i on o f t h e A R B QA p r o g r a m , t he A R B wi l l d e v e lo p a s c h e dul e t o up d a t e i t s QA d o c um e nt at i o n t o m e e t E P A r e qui r e m e nt s.
F in d i n g M 7: D a t a ar e n o t v a li d at e d u s in g c on s i s t e nt p r o c e d u r e s. Di s c u s s io n: I n o r d e r t o m ain t ai n a c on s i s t e nt d at a s e t , a P QA O s hou l d h a v e a c on s i s t e nt s t and a r d f o r r out i n e d at a v a l i d at i on
. H ow e v e r , th e QA M a nu a l do e s n o t di c t at e a s p e c i f ic v a l i d a tion s c h e m e f

o r eac h o f th e c r it e r i a pol l ut a n t s
. T hi s l ea d s to d at a v a li d at i o n t h at is in c on s i s t e n t a nd h a s th e ap p e ar an c e o f b e in g a rbitr ar y
. T hi s i s o f s p e c i a l c o n c e rn w h en d at a a r e u s e d f o r NAAQ S d e t e r m i n at i on.
R ec o mm e nd a t io n: S e e ou r r e c om m e n d at i on s t o F in d in g 3 abov e an d t o F i ndin g s D M 1, D M 2 , D M 3 , an d D M 5.
F in d i n g M 8: E P A c om m e nd s th e A R B M L D f o r p r odu c i n g Q u a li t y A s s e s s m e n t R e po rts an d r e c om m e nd s th at t h e A R B P QA O d e v e l o p a m e c h ani s m to u s e t h e s e r e po rt s t o m a ke s p ec i f i c c o r r e c t i v e a c t i o n s o r oth e r qu a l it y i m p r o v e m e n t s. Di s c u s s io n: T h e M LD Qu a li t y A s s u r a n c e S e c tion p r odu c e s e x c e ll e n t r e p o rt s t o a s s e ss th e o v e r a l l q u a l i t y a s s u r a n c e e f f e c t i v e n e s s o f e a c h p a

r t o f th e A R B P QA O

. T h e se r e po rt s , no doub t , h a v e a po s i t iv e i m p ac t on m a n y o f th e D i s t ri c t s ' p e rf o rm a n c e. Ho w e v e r , i n o r d e r t o p r o d u ce d at a o f c on s i s t e n t q u a li t y , th e A R B P QA O n e e d s t o h a v e a m e c h a ni s m f

o r s y s t e m ati c e v a lu a tion o f th e p r ac ti c e s t h at l e a d to both poo r an d g ood qu a l it y d a t a in o r d e r t o i mp r ov e d at a qu a l i t y an d c on s i s t e n c y.20 T h i s p a g e i nt e n tion a l l y l e f t bl a nk.21



## N ET W O R K M A N A G E M E NT

I n t r o d u c t i on
T h e pu r po s e o f t hi s s ec tio n i s t o e v a l u at e t h e m e t hod s a nd p r o c e d u r e s u s e d b y t he A R B t o m an a g e th e S t at e ' s a i r moni t o ri n g n e t w o r k

. Ou r r e v i e w o f th e A R B P QAO n e t w o rk i s b a s e d on t h e n e t w o rk d e s i g n c ri t e r i a c o n t ai n e d in 40 C F R 58 , Ap p e ndi x D a nd th e A R B S t at e a n d L o c a l A i r M oni t o rin g N e two rk P l an , p r e p ar e d annu a l l y b y t he P l ann i n g and T ec hni c a l S uppo rt Divi s ion o f th e A R B.
T h e S t at e n e two rk c on s i s t s o f mo n ito ri n g s t a tion s o p e r a t e d b y both th e A R B a nd th e l o ca l Di s tri c t s
. T h e A R B o r g an i z e s th e S t at e moni t o ring n e two rk s b y ai r b a s in , of whi c h th e r e a

r e 15 d e f in e d i n t h e S t at e
. A i r b a s i n m onito r in g n e two rk s c o n s i s t o f s t at i ons with c ri t e ri a pol l ut an t m oni t o r s d e s i g n a t e d a s S t at e a n d L o c a l A i r M oni t o ri n g S t at i ons ( S LA M S ) moni t o r s , s p e c i a l pu r po s e moni t o r s ( SP M ) , o r , in s o m e c a s e s , no d e s i g n at i on. F o r t h e pu r

po s e s o f ou r e v a l u at i o n w e tr e at e d mo n i t o r s wi t h no d e s i g n a t i o n a s S P M s.
A s d i s c u s s e d p r e v iou s l y , th e r e ar e f o u r P QA O s i n th e S t a t e o f C a l i f o rni a : t he A R B , th e S outh C o a s t AQ M D , th e B a y A r e a A Q M D , an d th e S an D i e g o A P C D

. T h e se f ou r o r g an i z at i on s op e r a t e m oni t o rin g n e t w o rk s th a t p r ovid e d at a f o r t h e 1 5 a i r b a s in s in th e S t a t e
. T h e th r e e l o c a l P QA O s o p e r at e moni t o r ing n e tw o rk s th a t p r ovid e d a t a f or th r e e o f th e 15 S t at e a i r b a s in s : S outh C o a s t , B a y A r e a , a n d S an Di e g o C o un t y
. T he A R B P QA O op e r a t e s m u l t ip l e moni t o ring n e two r k s th a t c ov e r th e r e m a in i ng 12 S t at e a ir b a s in s : G r e a t Ba s in , L ak e C ou nt y , L ak e T a h o e , M oj a v e D e s e rt , M oun t ai n C ount i e s, No rth C e n t r a l C o a s t , N o r t h C o a s t , No rth e a s t P l at e a u , S a c r am e nt o V a l l e y , S a l t o n S e a , S an J o a qui n V a l l e y , an d S ou t h Ce ntr a l C o a s t

. T h e A R B i s s u e s an ann u a l n e t w o rk d e s c ri pt i on whi c h p r ov i d e s d e t ai l s o n th e m oni t o rin g s t at i on s th r ou g hou t th e S t a t e , i n c l udin g tho se out s id e o f th e A R B P Q A O ( i

. e
. moni t o ring s t at i o n s op e r a t e d b y t h e S ou t h C o a s t AQ M D, th e B a y A r e a A Q M D , a n d t h e S an D i e g o A P C D )

. M o n ito ri n g s t a t i on s op e r a t e d b y the N at i on a l P a

rk S e r vi c e an d s o m e moni t o ring s t at i on s o p e r at e d b y p ri v at e c o ntr a c t o r s are a l s o l i s t e d i n th e annu a l r e po rt

. T h e ann u a l r e p o rt a l s o i n c lud e s in f o rm at i o n on moni t o ri n g s t a tion s i n B a j a Ca l i f o rni a , M e x i c o th a t a

r e lo c a t e d n e ar th e b o r d e r of C a l i f o rn i a
. T h i s annu a l n e two rk d e s c ri ptio n in c lud e s no t ju s t a c tiv e m oni t o rin g s i t e s but an y mo n ito rin g s i t e th at c oll e c t e d ai r pol l ut i on d a t a i n th e S t a t e o f C a l i f o rn i a s in c e the e ar l y 197 0 ' s.
I n s o m e in s t a n c e s , m ul t ipl e l o ca l Di s tri c t s op e r a t e th e m onito r in g n e two rk s i n a g iv e n a i r b a s in

. F u rth e r m o r e , th e bound a r i e s o f m e tr opol i t a n a n d mi c r o p ol i t an s t at i s ti c al a r e a s ( M S A s ) , whi c h a r e e s t a b li s h e d b y th e U S C e n s u s bu r e au , a l s o o v e r l ap a i r b a s ins an d lo c a l mo n ito ri n g di s t ri c t s
. E P A u s e s th e po p ul at i on s t at i s t i c s o f M S A s t o d e t e r mine th e m i ni m u m S LA M S moni t o rin g r e qui r e m e n t s f o r o z on e , PM 10 , a n d PM 2 .5 5

. App e ndix

5 T h e r e ar e c urr e n t l y n o mi n im u m m o n it o r i ng r e q u i r e m e n t s f o r t h e c r i t e r i a p o l l u t an t s c a rb o n m o nox i d e, n itr o g e n d i ox i d e , s u l f

u r d i ox i d e , a n d l e a d.22

B at th e e n d o f th i s r e po rt p r o v id e s d e t a il s on t h e a i r b a s in s , M S A s , m i nimu m m oni t o ring r e q u i r e m e n t s an d a c tu a l nu m b e r o f S L A M S o z on e , PM 2 .5 an d PM 10 mo n i t o r s i n th e A RB P QA O.
W e h a v e r e vi e w e d t h e S L A M S m oni t o rin g n e tw o rk f o r th e A R B P QA O an d h a ve d e t e rm i n e d th a t , du e t o c h an g i n g pop u l at i on s t a t i s t i c s a n d th e t i g ht e ni n g o f t h e PM 2 .5 d ail y N A AQ S , t h e r e a

r e a f e w M S A s wh i c h do n o t m ee t t h e mini m u m m o n i t o ring r e q u i r e m e n t s f

o r o z on e , PM 2 .5 an d PM 10 e s t abl i s h e d b y E P A i n it s r e g ul a t i on s at 40 C FR 58 , App e nd i x D

. T h e s e a r e a d d r e s s e d i n th e f

in d in g s i n t hi s s e c tion o f th e r e p o rt.
T a b l e 1 s um m a

ri z e s t h e numb e r o f S L A M S m oni t o rin g s i t e s op e r a t e d i n th e A RB P QA O.
T A BL E 1 : S U M M AR Y O F S L A M S CR I TE R I A P O LL U T A NT M ON IT OR S I N T H E AR B P QAO
O P E R A TI NG A G E NCY O z o ne CO NO 2 SO 2 PM 2 .5 PM 10 T SP Le ad A RB 25 6 14 1 17 22 1 A n t e l o p e V all ey 1 1 1 G r e at B a s i n U n i f

ie d A P CD 1 11 I m p e r i a l C o u n t y A P CD 2 1 2 5 K e r n C o un t y A P CD 1 1 L a ke C o u n t y AQ MD 1 1 1 M e n d o c i n o C o un t y A P CD 2 2 2 1 3 M o j a v e D e s e r t AQ MD 6 2 3 2 1 4 M on t e r e y B a y U n i f

ie d A P CD 6 1 2 2 5 N o rt h C o a s t U n i f

i e d A Q MD 2 2 N o rt h e r n S ie rr a A Q MD 2 4 2 N o rt h e r n S o n o m a C o u n t y A P CD 1 3 P l a ce r Coun t y A P CD 2 S ac r a me n t o M etr o po l i ta n AQMD 4 3 4 2 2 5 S a n J o a qu i n V al l e y A P CD 11 5 10 5 8 S a n L u i s O b i s p o C o u n t y A P CD 5 3 1 1 4 S a n t a B arb ar a C o u n t y A P CD 4 2 3 3 2 S h a s t a C o u n t y AQ MD 2 1 2 S i s ki y o u C o u n t y A P CD 1 T e h a m a C o un t y A P CD 1 V e n t ur a C o un t y A P CD 6 2 4 3 Y o l o
- S o la n o A Q MD 2 1 T O T A LS 81 23 44 9 48 85 1 S our c e : C a l i f

o rn i a S t a t e a n d L o c a l A i r M on it o r i n g N e t w or k P l an
- 2 0 0 7 , P l an n i n g an d T ec h n i c a l S u p p ort D i v i s i o n , A i r Q u a l i t y D at a B r a n c h , J un e 2 0 07
T h e S L A M S moni t o r s d o no t r e p r e s e n t a l l o f th e c ri t e ri a p o l l ut a n t moni t o rs op e r a t e d i n th e A R B P QAO

. A s i g ni f i can t n u mb e r o f c rit e r i a p o l l ut a n t moni t o r s a re d e s i g n a t e d a s S p ec i a l P u r po s e M oni t o r s o r h a v e n o d e s i g n a t i o n a s s u m m a ri ze d i n T a b le 2.23 T A BLE 2 : S U M M AR Y O F O T H E R S PE C I A L PU R P OSE P O LL U T AN T M ON IT OR S I N T H E AR B P QAO
O PE RA T I NG A G E NCY O z o ne CO NO 2 SO 2 PM 2 .5 PM 10
A RB 7 2 Ant e l op e V a l l ey 1 G r e a t B a s i n U n i f

i e d A P CD 1 I mp e ri a l C oun t y A P CD 3 1 2 5 M oj a v e D e s e rt AQ MD 1 M ont e r e y B a y Un i f

i e d A P CD 2 1 1 1 1 2 No rth C o a s t U n i f

i e d A Q MD 1 1 1 1 1 S a c r am e nto M e tr opol i t a n AQ MD 2 1 1 S an L ui s O b i s p o C oun t y A P CD 1 S ant a B a r b a r a C ou nt y A P CD 4 2 4 2 2 S i s ki y o u C oun t y A P CD 1 2 T e h am a C oun t y A P CD 1 1 Yolo

- S ol a n o AQ MD 3

T O T A LS 22 5 8 4 1 15 S o u r c e : C ali f

o r n i a S t a t e a n d L o c a l A i r M on i t o r i n g N et w o r k P la n - 2 0 0 7 , P l ann i n g a n d T e c h n ica l S u p p o rt D i v i s i o n , A i r Q u a l i t y D at a B r a n c h , J un e 2 0 07
T h e A R B P QA O a l s o c o ll e c t s d a t a f o r no n
- c ri t e ri a poll u t an t s an d m e t e o r olo g i c al d at a a s s um m a

ri z e d in T a bl e 3

.24 T A BLE 3 : S UM M AR Y O F N O N
- CR I T E R I A P O LL U T A N T AND METE O R O L O G I CA L M ON IT OR I N G I N T H E AR B P QAO
O PE R A TI NG A G E N CY M et. PM 2 .5 B AM PM 10 T E OM PM 2 .5 S p e c. N M H C N MOC T ox i c s C OH L i g ht S cat. H 2 S T HC

A RB 37 18 2 7 3 2 6 A n t e l o p e V all e y A P CD 1 1 G r e at B a s i n U n i f

ie d A P CD 11 10 I m p e r i a l C o u n t y A P CD 1 L a ke C o u n t y AQ MD 1 1 1 M e n d o c i n o C o un t y A P CD 4 M o j a v e D e s e r t AQ MD 5 3 1 1 M on t e r e y B a y U n i f

ie d A P CD 6 2 2 N o rt h C o a s t U n i f

i e d A P CD 1 N o rt h e r n S ie rr a A Q MD 3 1 1 N o rt h S on o m a C o u n t y A P CD 2 S ac. M e t r o
. A Q MD 8 3 2 4 4 1 S a n J o a qu i n V al l e y A P CD 13 5 3 4 4 S a n L u i s O b i s p o C o u n t y A P CD 3 1 S a n t a B arb ar a C o u n t y A P CD 7 1 2 S h a s t a C o u n t y AQ MD 1 1 V e n t ur a C o un t y A P CD 6 4 1 2 2 1 Y o l o
- S o la n o A Q MD 3 2 T O T A LS 113 35 25 13 14 8 7 1 2 2 2 S our c e : C a l i f

o rn i a S t a t e a n d L o c a l A i r M on it o r i n g N e t w or k P l an
- 2 0 0 7 , P l an n i n g an d T ec h n i c a l S u p p ort D i v i s i o n , A i r Q u a l i t y D at a B r a n c h , J un e 2 0 07
T h e am bi e n t m oni t o rin g n e t w o rk i n th e A R B P Q AO h a s e vo l v e d o v e r t i m e an d i ts s i ze , i n t e rm s o f numb e r o f s i t e s and s p a ti a l c ov e r a g e , h a s g e n e r a ll y k e p t p a c e with the c h a n g i n g d e mo g r a

p hi c s o f th e S t a t e
. T h e ind i vidu a l p o l l u t ant n e t wo rk s h a v e b e en mod i f i e d o v e r t i m e i n r e s pon s e t o th e c h an g e i n a i r pollut i on p r obl e m s
. F o r in s t a n c e , the numb e r o f s u l f

u r dio xi d e moni t o r s op e r a t e d i n t h e S t at e h a s d e c r e a s e d fr o m a m ax i m um o f a bout 80 moni t o r s in 1990 t o it s c u rr e nt numb e r o f a pp r o x i m a t e l y 36 6

. T hi s d e c r ea se r e f l e c t s th e p r o g r e s s m a d e i n r e du c i n g th e am ount o f s ul f u r d i o x id e ai r p o l l ut i o n an d the s ub s e qu e n t d ec r e a s e i n th e n e e d t o m oni t o r f o r th i s pol l ut an t

. Al l a i r b a s in s i n t h e S t ate o f C a l i f o rni a ar e c u rr e nt l y i n at t ai nm e nt o f t h e s u l f u r d i o x id e NA A Q S.
I n p r e viou s y e a

r s th e r e h a s b e e n no f

o rm a l p r o c e s s o f n e t w o rk d e s i g n f ol lo w e d by th e a g e n c i e s t h at m ak e u p th e A R B P QA O

. T h e S L A M S m onito r in g n e t w o rk s i n e ac h of 1 2 ai r b a s in s i n t h e A R B P QA O c on s i s t o f m oni t o r s op e r a t e d o n l y b y th e lo ca l Di s tri c t or a c o m bin a tion o f moni t o ring s it e s op e r a t e d b y th e l o ca l Di s tri c t s an d th e A R B

. W h e n a lo c a l Di s tri c t wi s h e s t o mo d i f y a n e two rk , e
. g
. s hut t in g down o r r e l o c a ti n g a n e xi s t i ng

6 P a g e 1

- 3 , C a l i f

o rn i a S t at e a n d L o c a l A i r M on i t o r i n g N e t w or k P l an
- 2 0 0 7 , P la n n i n g an d T ec h n i c al S u p p o rt D i v i s i on , A i r Q u a l it y D at a B r a n c h , J u n e 2 0 0 7

. T h i s nu mb e r i n c l u d e s s u l fu r d i ox i d e m on i t o rs o p e r a t e d b y t h e S o u t h C o a s t A QM D , t h e B a y A r e a AQ M D , a n d t h e S a n D i e g o A P C D.25

s i t e o r e s t abli s hin g a n e w s i t e , t h e y wi l l i n f o rm a l l y c on s ul t wi t h t h e A R B f o r f e e d b a c k on th e p r opo s e d c h an g e.
A s a r e s u l t o f c h an g e s t o E P A mo n ito ri n g r e g ul a t i on s , whi c h i n c l ud e d mo re s p ec i f i c r e q u i r e m e n t s f

o r t h e d e v e lop m e n t and s ub m i tt a l o f Annu a l N e two r k P l a ns 7
, the A R B h a s d e v e lop e d a qu e s t i onn a i r e whi c h wi l l b e s e n t annu a l l y t o Di s tri c t s i n t h e ir P QA O

. T hi s q u e s tion n ai r e a s k s D i s t ri c t s to p r ov i d e in f o rm at i on on ho w m an y pol l ut ant moni t o r s t h e y op e r a t e , th e pu r po s e o f e ac h m onit o r , p r opo s a l s f o r u p c omin g c h a n g e s to th e m onit o r s th e y o p e r at e , a l i s t i n g o f m oni t o r s th e y op e r at e bu t f o r whi c h t h e y do n ot s ubm i t d a t a to E P A , and ho w D i s t ri c t s p r ovi d e f o r pu b l i c r e v i e w o f th e lo c a l moni t o ring n e t w o rk

. A c o p y o f t hi s qu e s t i onn a i r e i s in c l ud e d i n Ap p e ndi x C.



### N e t w o r k M a na g e m e n t F i nd

i n gs
F in d i n g N M 1: T h e A R B a nnu a l n e t wo rk p l an i n c l ud e s n o t on l y a c t i v e m oni t o ri n g s i t es bu t an y mo n ito rin g s i t e th at c oll e c t e d ai r pol l ut i on d a t a i n th e S t a t e o f C a l i f o rni a s in c e the e ar l y 197 0 ' s , wh e th e r

s t i l l in op e r at i on o r n o t.
Di s c u s s io n: T h e A R B a nnu a l n e two rk pl an in c l u d e s mu c h u s e f u l i n f o rm a t ion on the hi s to r y o f ai r moni t o ri n g i n t h e S t at e a n d t h e a v a i l abi l i t y o f d at a
. I t i n c lud e s not on ly in f o rm at i o n a

bou t th e c r i t e r i a p o l l ut a n t moni t o r s bu t a l s o t h e non
- c ri t e ri a p oll u t an t s of in t e r e s t an d i m po rt a n ce
. H ow e v e r , whi l e i t i s u s e f u l t o kn o w th a t h i s t o ri c d a t a a re a v a il abl e , a s e p a

r a t e t ab l e o r r e p o rt t h at a dd r e s s e s th e c u rr e nt l y a c t i v e mo n i t o ri n g s t a tions i n th e S t a t e would b e mo r e u s e f u l.
R ec o mm e nd a t io n: R e v i s e t h e f o rm a t o f th e a nn u a l n e two rk pl an t o in c lu d e a t abl e t h at l i s t s on l y th e a c t i v e moni t o ring s t at i ons
F in d i n g N M 2: T h e S t o c kt on M S A i n th e S an J o a qu i n V a l l e y Ai r B a s in do e s n o t m e et th e m i ni m u m S LA M S moni t o rin g r e qui r e m e n t s f o r PM 2 .5 . Di s c u s s io n: I n 2000 , t h e S t o c kt on M S A h a d a popu l at i on o f 563 , 598 p e opl e a n d an e s t i m at e d 2006 po p ul a tion o f 673 , 170 p e o p l e
. T h e 2004

- 200 6 a nn u a l a n d d a i l y PM 2 .5 d e s i g n v a lu e s f

o r th i s M S A , b a s e d on d at a c ol l e c t e d at t h e S t o c kt o n H a z e l t o n m oni t o ring s i t e , a r e 12

. 9 u g /m 3 an d 41 u g/m 3 r e s p e c t i v e l y
. E P A r e g ul a t i on s r e qu i r e M S A s wi th popul a t i on s b e t we e n 50 0 , 00 0 a nd 1 , 000 , 000 p e op l e an d PM 2 .5 d e s i g n v a l u e s g r e a t e r th an 85 % o f e ith e r t h e annu a l o r d a i l y NA A Q S t o h a v e a m i ni m u m o f tw o PM 2 .5 m onito r ing s i t e s d e s i g n a t e d a s S L A M S

. T h e r e i s c u r r e nt l y o n l y o n e PM 2 .5 s i t e i n th e S to c kton M S A, S to c kt on
- H a z e l t o n S tr e e t ( AQ S #0 6

- 077

- 1002 ) d e s i g n a t e d a s a S L A M S s i t e.
R ec o mm e nd a t io n: T h e A R B o r t h e S an J o a qui n V a l l e y A P C D n ee d s t o e s t a bl i s h an a ddi t io n a l PM 2 .5 S L A M S m oni t o rin g s i t e i n th e S to c kton M S A.

7 S e e 4 0 C F R 5 8

. 1 0.26

F in d i n g N M 3: T h e M o d e s t o M S A i n th e S an J o a qu i n V a l l e y Ai r Ba s i n d o e s n o t m e et th e m i ni m u m S LA M S moni t o rin g r e qui r e m e n t s f o r PM 2 .5 . Di s c u s s io n: I n 2000 , t h e M o d e s to M S A h a d a p o pu l at i on o f 446 , 997 p e opl e
. T he popul a t i on o f th i s M S A h a s g r ow n an d th e e s t i m a t e d 2006 po p ul a tio n w a s 512 , 138 p e op l e
. T h e 2004

- 200 6 a nnu a l a nd d a i l y PM 2 .5 d e s i g n v a l u e s f o r th i s M S A , b a s e d on d ata c ol l e c t e d a t th e M od e s to

- 14 th S tr e e t moni t o ri n g s i t e , a r e 14

. 1 u g /m 3 and 5 1 u g /m3 r e s p e c t i v e l y
. E P A r e g u l a t i on s r e q u i r e M S A s wi t h popul at i on s b e tw e e n 5 0 0 , 00 0 and 1 , 000 , 000 p e op l e and d e s i g n v a l u e s g r ea t e r th a n 8 5 % o f e i t h e r th e annu a l o r d a i ly NA A Q S t o h a v e a min im u m o f tw o PM 2 .5 mo n ito ri n g s i t e s d e s i g n at e d a s S L A M S s it e s. T h e r e i s c u rr e n t l y on l y o n e PM 2 .5 s i t e i n t h e M o d e s to M S A , S to c kt on
- 14th S tr e et ( A Q S #06

- 099

- 000 5 ) d e s i g n at e d a s a S L A M S s i t e.
R ec o mm e nd a t io n: T h e A R B o r t h e S an J o a qui n V a l l e y A P C D n ee d s t o e s t a bl i s h an a ddi t io n a l PM 2 .5 S L A M S m oni t o rin g s i t e i n th e M od e s to M S A.
F in d i n g N M 4: T h e V i s a li a -P o rt e r vi ll e M S A i n th e S a n J o a qu i n V a l l e y Ai r Ba s in do es no t m e e t th e m i ni m u m S L A M S moni t o ri n g r e qui r e m e n t s f o r o z on e. Di s c u s s io n: T h e Vi s a l i a
- P o rt e r vi l l e M S A h a d a p op u l at i on o f 368 , 021 p e op l e in 2000. T h e popul at i on o f t hi s M S A h a s g r o w n a n d t h e e s t im at e d 2006 po p u l at i o n w a s 419 , 909 p e op l e
. T h e 2004

- 200 6 o z on e d e s i g n v a l u e f o r th i s M S A , b a s e d on d a t a c o l l e c t e d a t the Vi s a l i a
- C hu r c h S tr ee t mo ni t o rin g s i t e , i s 0

. 092 pp m
. E P A r e g u l at i on s r e q u i r e M S A s with popul a t i on s b e t we e n 35 0 , 00 0 a nd 4 , 000 , 000 p e op l e and d e s i g n v a lu e s g r e at e r th a n 8 5% o f th e o z on e NA A Q S t o h a v e a m i ni m um o f t w o o z on e m oni t o rin g s i t e s d e s i g n a t e d as S LA M S s i t e s
. T h e r e i s c u rr e nt l y o n l y o n e o z on e s it e i n t h e V i s a li a
- P o r t e r v i ll e M S A, Vi s a l i a
- C hu r c h S tr ee t ( A Q S #06

- 107

- 2002 ) d e s i g n a t e d a s a S L A M S s i t e.
R ec o mm e nd a t io n: T h e A R B o r t h e S an J o a qui n V a l l e y A P C D n ee d s t o e s t a bl i s h an a ddi t io n a l o z on e S L A M S m onito r in g s i t e i n th e Vi s a l i a
- P o rt e r vi l l e M S A.
F in d i n g N M 5: S om e i n f o rm a tio n i n th e A R B S t at e an d L o ca l Ai r M oni t o rin g N e t w o rk P l an , d at e d J un e 2007 , do e s no t a g r e e with in f o r m at i o n i n t h e E P A AQ S d a t a b a s e o r with lo c a l di s tri c t Annu a l N e t wo rk P l a n s
. T h e s p e c i f i c e x am pl e s not e d i n t h e di s c u s s i on r e l at e d t o thi s f

i ndin g m a y o r m a y n o t c on s t i tut e th e a c tu a l to t a l numb e r of in c on s i s t e n c i e s i n t h e 2007 p l an. Di s c u s s io n: I n c omp ar in g d at a i n t h e E P A AQ S d at a b a s e an d th e A R B N e t wo rk P l an, w e di s c ov e r e d a numb e r o f in c on s i s t e n c i e s.
T h e G r a s s V a l l e y an d Tr u c k e e PM 10 s it e s op e r a t e d b y N S AQ M D ( A Q S # 06

- 057- 000 5 and 06

- 057

- 1001 , r e s p e c t i v e l y ) c ol l ec t c ont i nuou s d at a th at h a s b ee n r e po rt e d to A Q S th r ou g h 2006 , ho w e v e r A R B ' s 2007 S & L M oni t o rin g N e t w o rk P l an ind i c a t e s th at c ont i nuou s PM 10 d at a f

o r th e s e s i t e s a

r e on l y a v a i l abl e th r ou g h 200 3.27 I n Gl e n n C oun t y , th e W i l lo w s
- E a s t L au r e l S t r e e t s i t e ( A Q S # 06

- 02 1

- 0002) di s c ont i nu e d PM 10 op e r at i on s i n S e p t e m b e r 2006 a n d w a s r e p l a c e d b y th e W i l low s
- No rth C olu s a S tr e e t

s it e ( AQ S # 06

- 021

- 000 3 )

. T h e 20 0 7 S& L M oni t o ri n g N e t wo r k P l a n s t a t es th a t th e olds it e c ontin u e d t o c ol l ec t PM 10 d at a t h r ou g h 2007 a n d i ndi c at e s th a t th e n ew s i t e o n l y c oll e c t s o z on e d a t a.
I n S an Lui s O b i s p o C ou n t y , th e Carri z o P l ai n s S c h oo l S LA M S PM 10 M on i t or ( A Q S # 06

- 079

- 8006 ) w a s c l o s e d i n AQ S a s o f D e c e m b e r 31 , 2006 , y e t th e 200 7 S&L M onito ri n g N e tw o rk Pl an indi c a t e s th at d at a f o r 2 00 7 i s a v ai l a

b l e
. T h e Nip o moGu a d a lup e R o a d PM 10 M oni t o r ( AQ S # 0 6

- 079

- 2 0 04 ) i s id e nti f i e d a s a S L A M S s it e i n t he 200 7 S & L M o n ito ri n g N e two rk P l a n , bu t i s n o t d e s i g n at e d a s a S L A M S mo n ito r b y the S an L ui s O b i s p o A P C D i n th e i r 2007 A m bi e n t Ai r M o n i t o rin g N e tw o rk Re vi e w.
R ec o mm e nd a t io n: T h e A R B s ho u l d e n s u r e th a t t h e Annu a l N e t w o rk P l an s a c c u r at e ly r e f l ec t th e a v a il abi l i t y o f moni t o rin g d at a , i n c lu d i n g w h i c h moni t o r s a r e c u rr e nt ly op e r a tio n a l , a n d t h at t h e r e i s a g r ee m e n t b e tw ee n t h e A R B an d l o c a l d i s t ri c t s a s t o t he d e s i g n a t i on o f

s it e s.
F in d i n g N M 6: T h e A R B 2007 N e tw o rk P l an i s no t c omp l e t e wi t h r e s p ec t t o G B UA P CD s i t e s , m oni t o rin g obj e c t i v e s o r moni t o ri n g s ca l e s. Di s c u s s io n: E x am pl e s o f e r r o r s i n th e A R B 200 7 N e two rk Pl an in c l ud e: Di rt y S o c k s i s a s ou r c e
- o ri e nt e d mo n ito r ( O w e n s L a k e ) , ho w e v e r th e A R B 2007 N e t wo rk P l a n p r o v id e s n o s c a l e o r m oni t o ri n g obj e c t i v e.
M on o S ho r e s i s a s ou r ce
- o ri e nt e d , m a x i m u m c on c e ntr a t i on s i t e , bu t i s li s t e d as u r b a n s c a l e i n A R B n e t w o rk pl a n
. F o r th e s e s it e t y p e s i t i s unl i k e l y th at the m onit o r i s u r

b an s c a l e.
R ec o mm e nd a t io n: T h e A R B s ho u l d g i v e lo c a l D i s tri c t s t h e oppo rtu n i t y t o r e v i e w t he in f o rm at i o n i n th e Annu a l N e t w o r k p l an s t o e n s u r e s it e i n f o rm a t i o n i s c o r

r e c t.28 T h i s p a g e i nt e n tion a l l y l e f t bl a nk.29



## OP ER A T I O NS
I n t r o d u c t i on
T h e pu r po s e o f t hi s s ec tio n i s t o e v a l u at e t h e op e r at i on , s uppo rt a nd s i t in g o f a ir moni t o ri n g i n s t rum e nt at i o n a c c o r d in g t o E P A r e q ui r e m e nt s a t 40 C F R 58 , App e nd i ce s A, C , D a nd E

. N e two rk o p e r at i on s a t th e A R B ar e p rim a r i l y p e r f o rm e d b y th e Ai r Qu a l i ty S u r v e i l l a n c e B r a n c h ( A Q S B ) o f M L D

. AQ S B du t i e s in c lud e th e op e r at i on o f t h e A RB moni t o ri n g s i t e s , moni t o ring s uppo rt f o r th e A R B s p e c i a l s tu d i e s , an d g e n e r a l a ir moni t o ri n g s uppo rt , w h i c h in c lud e s r e p a i r a n d c a l i b r a tio n f a c i l it i e s
. T hi s s ec t i on o f the T S A r e po rt a d d r e s s e s AQ S B ' s g e n e r a l op e r at i on s , th e c a l i b r at i on p r o g r am , f i e ld op e r a tion s o f t h e AQ S B at th e A R B op e r a t e d c ri t e ri a pol l ut an t m oni t o rin g s i t e s , a n d f i e ld op e r a tion s at c ri t e r i a pol l ut an t m oni t o rin g s i t e s op e r a t e d b y th e S an J o a qu i n V a l l ey A P C D , t h e G r eat B a s i n Uni f i e d A P C D an d th e N o rth e r n S i e rr a A Q M D.
E P A in t e r vi e w e d t ho s e m an a g e r s a nd s t a f f o f th e Ai r Q u a l it y S u r v e i l l an c e B r an ch ( A Q S B ) w ho p r ov i d e s u ppo rt t o t h e f i e l d m oni t o rin g t a s k

. T h e i ndiv i du a l s int e r vi e w ed in c lud e d K e n S tr oud , C h i e f A i r Q u a li t y S u r v e i l l an c e B r a n c h , Re g in a l d S m i th , M a n a g er Op e r at i on a l S upp o rt S e c ti on , E ri c M c Do u g a l l , M a n a g e r S p e c i a l P u r po s e M oni t o ring S ec t i on , J o e R oh r , In s trum e n t T e c hni c i an O p e r at i on s S uppo rt S e c tion , an d R on a l d L e wi s, Ai r P ol l ut i o n S p e c i a l i s t Ai r M o n ito ri n g C e ntr a l S e c t i on
. A l l p e r s on s in t e r v i e w e d i n the Ai r Q u a l it y S u r v e i l l an c e B r an c h w e r e v e r y h e lp f u l a n d f o rth c om in g
. T h e A Q S B h a s a w e l l d e v e l op e d f

r am e wo r k t o s uppo rt t h e M L D m o n ito ri n g t a s k

. I t w a s p a r t i c u l a r l y not ed th a t th e Op e r a tion a l S u p p o rt S e c t i o n i n c l ud e s f u n c tion s th a t a dd s igni f

i c ant v a lu e to A Q S B ’ s m oni t o rin g p r o g r a m , both i n t e r m s o f t ec hn i ca l e x p e rt i s e a n d i m p r ov ed moni t o ri n g d a t a q u a li t y.



### G ene r a l Fi nd i ng s o n A R B O

pe r a tio ns
F in d i n g AQ S B 1: F i e l d o p e r a t o r s do no t a l wa y s do c u m e nt s h ippin g i n f o r m at i on on t h e ir s a mp l e r e po rt

/ tr a c kin g s h e e t s
. S e e a l s o L a b F ind i n g # IL7
Di s c u s s io n: Do c um e nt at i on o f s am pl e s hipp i n g , t r a n s po rt , an d r e linqu i s h m e n t , m a int a ins th e i nt e g ri t y o f s a mpl e c u s t o d y t h r o u g hou t t h e s a m pl i n g p r o c e s s , at t e s t s t h at s amp l e w e re h and l e d p r op e r l y , and d o c u m e n t s b y w ho m t h e y w e r e h and l e d

. T h i s in f o r m at i o n is i m po rt a n t i f a qu e s tio n abou t a s am pl e ’ s v a l i di t y a r i s e s.
R ec o mm e nd a t io n: E n s u r e t h at f i e ld op e r a to r s ar e a w ar e o f th e i m po rt a n ce of do c u m e nt i n g s h i ppi n g in f o rm at i on.
F in d i n g AQ S B 2: S om e A R B M L D mo n ito ri n g S O P s a r e out d at e d a nd/o r in c ompl e t e.30

R ec o mm e nd a t io n: A R B s hould d e v e lo p a s c h e du l e f o r upd at in g a l l m onito ri n g S O Ps an d e n s u r e th at th e S O P s po s t e d a r e c o m pl e t e an d c ov e r a l l in s tru m e n t s u s e d i n t h e A RB moni t o ri n g n e two rk.
F in d i n g AQ S B 3: T h e u s e o f c o rr e c t i o n f lui d w a s n o t e d on a n M L D ai r mo nito r in g f o rm. Di s c u s s io n: I t w a s not e d t h at c o rr e c t i o n f lui d w a s u s e d on a f

o rm p r od u c e d b y th e M LD moni t o ri n g g r oup
. C h an g e s to o ff i c i a l r e c o r d s s h o u l d n o t b e c ov e r e d o r ob l i t e r a t e d. G e n e r a l l y , m i s t ak e s s ho ul d b e i ndi c a t e d b y a s in g l e l i n e c r o ss e d ou t an d a cc omp a ni e d by ini t i a l s a nd d a t e.
R ec o mm e nd a t io n: A R B p e r s on n e l s ho u l d f ollo w a pp r op ri at e p r o c e d u r e s wh e n m aki ng c o rr e c t i on s t o o ff

i c i a l d o c u m e nt a t i o n a n d r e c o r d s.



### I n s t ru m e n t C a l ib r a t i o n P r ogr am
A R B i s r e s pon s i bl e f

o r c a l i b r a tin g i t s ow n c rit e r i a pol l ut a n t moni t o r s a nd o ff e rs c a lib r a t i on s uppo rt t o d i s tr i c t s i f r e qu e s t e d

. O f th e a pp r o x im a t e l y 341 c r it e ri a pol l ut a nt moni t o r s i n t h e A R B P QA O , A R B c a l i b r a t e s 13 9 i n s t rum e nt s ( 9 6 A R B i n s t rum e nt s a nd 4 5 D i s t ri c t i n s t rum e nt s )

. A R B a l s o ca lib r a t e s s o m e non
- c rit e ri a pol l ut a n t in s trum e nt s. O f t h e a pp r o x i m a t e l y 9 7 non
- c rit e r i a p o l l ut a n t in s tru m e nt s a nd 113 m e t e o r o lo g i c al in s tru m e n t s , A R B c a lib r a t e s it s o w n 39 no n
- c ri t e ri a in s tru m e nt s and 37 m e t e o r olog i c al s t at i on s a n d c a l i b r at e s 1 1 Di s tri c t op e r a t e d no n
- c ri t e r i a in s tru m e n t s and 2 D i s t ri ct op e r a t e d m e t e o r ol o g i ca l s t a tion s.
F in d i n g AQ S B 4: A R B M L D d o e s n o t c a l i b r a t e moni t o ri n g e quip m e n t at a l l P QAO s i t e s. Di s c u s s io n: Ov e r th e p a s t d e c a d e , th e A R B ML D mo n ito ri n g s e c t i on s h a v e r e du ced c a lib r a t i on s uppo rt f

o r D i s tri c t s i t e s
. C on s e qu e nt l y , Di s tri c t s h a v e e s t abl i s h e d t h e i r o wn in s tru m e n t c a l i b r at i on p r o c e du r e s i n d e p e nd e n t o f th e A R B P QAO

. T hi s p r a c t i c e d o e s not s uppo rt th e e xi s t e n c e o f a c e ntr a l i z e ds t and a r di z at i on o f in s tru m e n t at i o n a nd c on s e q u e nt l y c on s i s t e n t d a t a qu a l it y th r o u g hou t t h e P QA O.
R ec o mm e nd a t io n: T h e c o rr ec tiv e a c t i o n f o r t hi s f i ndin g i s d e p e n d e nt on h o w th e E P A, th e A R B an d th e l o c a l D i s tri c t s a dd r e s s t h e ov e r a l l o r g a ni za tio n i s s u e s o f th e A R B P QAO ( S e e F ind in g M 1 ).
F in d i n g AQ S B 5: S ec on d l e v e l r e vi e w o f c a l i b r a t io n r e c o r d s a n d c a l c u l a tion s i s not r out i n e l y p e rf

o rm e d.
Di s c u s s io n: T h e s e nio r f i e l d t e c hni c i a n s a

r e r e s p o n s ib l e f

o r c a l i b r at i on o f t h e A R B M LD f i e l d in s tru m e nt s f

o r t h e i r r e s p e c t i v e moni t o rin g s e c tion s ( N o rt h , S outh , a n d Ce ntr a l ). T h e s e t e c hn i c i an s g e n e r a t e c a li b r at i o n r e c o r d s , w h i c h a r e no t g e n e r a l l y r e v i e w e d b y a31

p e e r o r a m a n a g e r
. S e c o n d l e v e l r e vi e w h e l p s t o e n s u r e c on s i s t e n c y an d t o c a t c h e rr o rs m a d e i n tr a n s c r ipt i on s o r ca l c u l at i on s.
R ec o mm e nd a t io n: T h e A R B s ho u l d in s t i tut e a p r o g r a m o f s e c o n d l e v e l r e vi e w of c a l i b r at i o n r e c o r d s.
F in d i n g AQ S B 6: T h e l o w e s t o z on e c a l i b r at i o n p oin t i s a t a c on c e ntr a tio n th at i s above th e 8

- ho u r s t an d ar d.
Di s c u s s io n: T h e A R B M L D A i r Qu a li t y S u r v e i l l an c e B r an c h c a l i b r at e s o z on e moni t o rs dow n t o 0

. 09 ppm
. T h i s c on c e ntr a t i o n i s a bov e th e NA A Q S o f 0

. 075 ppm 8

. In o r d e r to v e ri f y l i n e ari t y a r ound o r b e l o w th e NA A Q S , A R B s hou l d c h an g e t h e lo w o z one c a lib r a t i on poin t t o at o r b e l o w 0

. 075 pp m.
R ec o mm e nd a t io n: T h e A R B c a lib r a t i on p r o g r a m n e e d s t o e n s u r e th e p e rf o rm a n c e of o z on e i n s t rum e nt s a t l e v e l s a t o r l o we r t h an th e o z o n e NA A Q S

. E P A s u gg e s t s thi s be a c c o m pli s h e d b y u s in g a l o w e s t c a l i b r at i on poin t a t o r b e low 0

. 075 ppm.
F in d i n g AQ S B 7: T h e c a l i b r a tio n t e c hn i c i a n n o t e d th a t on l y 2 g a s ph a s e t i tr at i on poin ts a r e u s e d t o v e ri f

y t h e NO 2 c a lib r a t i on. Di s c u s s io n: 40 C F R P a

r t 50 , Ap p e ndi x F d e s c r i b e s th e r e qui r e m e n t s f o r NO 2 c a lib r a t i on. S ec t i on 1

. 5

. 9

. 4 s t at e s : “ M ai nt ai nin g th e s am e FNO , F O , an d F D a s in s e c t i on 1

. 5

. 9

. 1 , a dju st th e o z on e g e n e r a t o r to obt a in s e v e r a l oth e r c on c e nt r at i on s o f NO 2 o v e r th e NO 2 r ang e ( at l e a s t f iv e e v e n l y s p a ce d po i nt s a c r o s s th e r e m a in i n g s c a l e ar e s u g g e s t e d )

. ” Ba s e d on the r e g u l at i on , “ s e v e r a l ” oth e r NO 2 p o i nt s a f t e r th e in i t i a l poi n t m u s t b e e v a l u at e d.
R ec o mm e nd a t io n: A R B M L D s ho u l d in c l ud e mo r e e v a l u at i on p o i nt s i n t h e NO 2 g as ph a s e t i tr a tion.
F in d i n g AQ S B 8: M aint e n a n c e and p e r f o rm a n c e v e ri f

i c a t i on o f z e r o a i r s c rub b e r s u s ed f o r ca l i b r a tion s i s no t d o c um e n t e d.
Di s c u s s io n: Z e r o ai r s c r ubb e r s a r e u s e d in pl ac e o f c e r

t i f i e d z e r o ai r f

o r in s tru m e nt c a lib r a t i on s
. T hi s i s a c o m m on p r ac ti c e an d a c c e pt a bl e
. Be c a u s e z e r o ai r i s u s e d to g e n e r a t e t h e z e r o p o i n t a n d th e c a lib r a t i o n m ix e s , i t m u s t b e t r e at e d a s a s t a nd a r d

. As s u c h , z e r o a i r s c r u bb e r m a int e n an c e and v e ri f i c a t i o n mu s t b e do c u m e n t e d.
R ec o mm e nd a t io n: T h e A R B s ho u ld do c u m e n t th e m ain t e n a n c e and p e r f o r m an ce v e ri f i c a t i on o f z e r o a i r s c r ubb e r s.



### S p e c i a l Pu r p o s e M on it o ri n g S e c tion

8 A t t h e ti m e t

h i s T S A w a s c o n d u c t e d t h e o z on e N A A Q S w a s s e t a t 0

. 0 8 p p m
. E P A s ub s e q u e n t l y r e v i s ed t h e o z on e N AA Q S t o 0

. 0 7 5 pp m.32

F in d i n g AQ S B 9: T h e S p e c i a l P u rpo s e M oni t o ri n g S e c t i on s hou l d ke e p E P A i n f o rm ed o f it s m oni t o rin g p r oj e c t s. Di s c u s s io n: T h e S p e c i a l P u r po s e M oni t o ri n g S e c t i o n c ondu c t s moni t o rin g a s a

“ c ontr a c to r ” f

o r t h e A R B o r oth e r a g e n c y ( e
. g
. , D e p a rt m e nt o f P e s t i c id e Re g u l at i on) r e s e a r c h e r s
. S om e o f th i s moni t o rin g m a y b e f u n d e d w h o l l y o r p a

rt i a l l y b y E P A ( th r o u gh A R B o r oth e r S t a t e A g e n c i e s ) an d c ou l d h a v e imp l i c a t i on s r e l at e d t o N A A QS d e t e rm i n at i on s , n e t w o r k d e s ign , o r o th e r E P A r e q ui r e m e n t s and/ o r d e c i s i on
- m a kin g. T h e r e f o r e , w h e r e po s s i b l e an d a pp r o p ri at e , a n E P A moni t o rin g c ont ac t s hou l d be in f o rm e d o f s u c h m onit o ri n g.



### F I EL D OPE R AT I ONS

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i e d A P CD C o s o J u n c t i on D i rt y S o c ks L on e P ine M on o S h o re L e e Vini ng M am m oth33



### A R B M o n i t o r i n g S i t es
F iv e m oni t o rin g s t at i on s op e r a t e d b y th e A R B w e r e e v a lu at e d a s p a rt o f t hi s T S A. E P A i nt e r vi e w e d a n u mb e r o f A R B f i e l d t ec h ni c i a n s , in c ludin g R o n L e w i s , P hi l l ip P o we r s , R a lp h R obl e s , D i ann e A rno l d , G e o r g e J un g , an d P at ri c k S e a m u s
. T h e A R B i s to b e c om m e nd e d f

o r h a vi n g an e s p e c i a ll y c o m p e t e n t s t a ff o f f i e ld op e r a to r s
. D u r in g o ur di s c u ss ion s o f op e r a tio n s , a ll s t a f f e x h i bit e d d e t a il e d kn o w l e d g e o f in s tru m e nt op e r a t i ons an d th e d a y
- to

- d a y d o c u m e nt a tion o f ac t i vi t i e s w a s e x e mp l a r y
. S e nio r f

i e l d t e c hni c i a ns w e r e v e r y e n g a g e d i n a l l o p e r at i on s o f th e i r s i t e s
. E P A a l s o app r e c i at e s th e r e l a tion s h ip th e Ai r M o n ito r in g C e ntr a l S e c t i on h a s wi t h l o c a l D i s tr i c t o p e r a t o r s
. T h e s tr on g t e c hn i cal s uppo rt p r ovid e d t o t h e D i s t ri c t s w a s v e r y e vid e n t.
Al l A R B moni t o ring s it e s e v a lu a t e d w e r e w e l l e q uipp e d , o r g an i ze d a n d c l e a n. T h e f i e l d t ec hn i c i an s h a d a cce s s t o a l l r e l e v a n t S O P s
. S t a tion s we r e s e t up to au t om a ti c a l l y p e r f

o rm z e r o , s p a n a nd p r e c i s i o n c h ec k s o f c ont i nuou s g a s e o u s in s tru m e nts o n a s c h e dul e t h at e x c ee d s E P A r e qui r e m e nt s
. T h e f lo w r at e o f lo w f

lo w P M i n s t rum e nts i s c h e c k e d bi

- w e e k l y , c a li b r at i on s o f low -f l ow s a mp l e r s a

r e c h e c k e ds e m i

- annu a l l y. Hi g h volu m e P M s a mpl e r f l o w c h e c k s ar e p e r f

o r m e d mon t h l y an d ca lib r a t e d s e m iannu a l l y
. F low s a r e c h ec k e d at 16

. 67 lp m f o r lo w f l o w in s tru m e n t s an d at 4 0 s c f m f or hi g h vol u m e in s tru m e n t s
. F o r g a s e ou s in s tru m e n t s , f l o w c h ec k s a

r e don e d a il y and c a lib r a t i on s a

r e p e r f o rm e d s e m i

- a nnu a l l y.
F i e l d t e c hni c i an s int e r vi e w e d w e r e w e ll v e r s e d i n th e i r duti e s r e g ar din g d ata v a l i d a tio n and ho w t o a d d r e s s c o rr e c tiv e a c t i on s
. C o rr e c t i v e ac tion s a r e d ea l t wi t h on a c a s e
- b y
- c a s e b a s i s
. I f a s i t e in s tru m e n t f a il s a n a n nu a l a udit , s p e c i f i c c o r r e c t i v e a c tions a r e t ak e n b a s e d o n c on s u lt a t i o n wi t h s e n i o r f i e l d o p e r a t i on s s t a ff

. T h e op e r a to r s a re e n c ou r a g e d t o d o c um e n t an y unu s u a l e v e nt s i n t h e s t a t i o n l o g , s a mp l e d at a f o rm s and s t ri p c h a r t s
. Al l d o c um e nt at i o n r e g a r di n g d at a e d i t in g and v a l i d at i o n i s r e v i e w e d a nd s i g n e d o f f mon t h l y b y th e s e nio r f

i e l d t ec hni c i an b e f

o r e f o r w a r d i n g t o t h e S p ec i al P u r po s e M oni t o rin g an d D at a S uppo r t S e c t i on o f t h e Ai r Qu a l i t y S u r v e i l l a n c e B r a n c h of th e M oni t o rin g an d L a b o r at o r y D i vi s ion

. W h il e d e vi at i on s f r o m S O P s a

r e r a r e , i n the e v e n t th a t a d e vi a tio n f

r o m a S O P i s n e c e ss a

r y , i t i s do c um e n t e d i n th e s t at i o n lo g a f t er c on s ul t at i o n w i t h s e nio r f i e l d t e c hni c i an s. Al l s t a tion s m ai nt a i n lo g book s to do c u m e n t s i t e vi s it s , p r e v e nt i v e m a int e n an c e, r e s ol u tion o f op e r at i on a l p r obl e m s , an d c o rr e c t i v e a c tion s t ak e n
. L o g book s w e re g e n e r a l l y v e r y d e t a il e d

. T h e s e nio r mo n ito ri n g t ec hni c i an s p e r iod i c a ll y r e v i e w t he lo g book s an d a l s o not e i n th e l o g boo k w h e n th e y v i s i t th e s t a t i on
. A s t and a r d , r outine r e v i e w o f l o g book s i s no t p e r f o rm e d

. Op e r a to r s ar c h i v e s t at i o n l o g book s a t t h e i r m ain moni t o ri n g s t a tion o r o ff

i c e
. O t h e r s t at i o n r e c o r d s in c l ud e Q C c h e c kli s t s a nd m a int e n an c e s h e e t s w h i c h a r e a l s o a r c hiv e d a t th e op e r a to r’ s m ai n m onito ri n g s t a t i on or o ff i c e
. All n e c e s s a r y c a l i b r at i o n in f o rm at i o n i s a v a i l a

bl e t o t h e f

i e l d o p e r at o r s.
T h e A R B h a s a c o m p r e h e n s i v e m and a to r y tr a ining p r o g r a m f o r n e w s t a f

f. R e fr e s h e r c ou r s e s g i v e n b y t h e A R B an d in s tru m e n t m anu f a c t u r e r s ar e a l s o op e n t o a ll s t a ff.34 M ino r in s tru m e n t r e p ai r wo rk i s don e a t th e s t at io n
. I f n ec e ss a r y , e quip m e n t is s e n t t o th e M LD f

o r m a j o r r e p ai r s
. Re p l a c e m e n t e quip m e n t i s s e n t t o th e s t at i o n w i t h i n a d a y t o r e p l a c e a n y in s tru m e nt s t ak e n o u t o f s e r vi c e f o r r e p ai r
. Oth e r th an s t and a rd m a nu f a c tu r e r w a

r r a nti e s , t h e A R B d o e s not h a v e a n y s e r v i c e c ontr a c t s in p l a c e
. S t at i on op e r a to r s i ndi c a t e d t h at th e y h a v e an a d e q u at e s u p p l y o f s p ar e p a rt s an d c o n s um able s uppli e s t o e n s u r e th at n e c e s s ar y r e p ai r s an d m a in t e n an c e can b e p e rf o rm e d.



### A R B Fie l d O p e r at i o n Fi n d i n gs
F in d i n g AQ S B 10: T h e tr e e s t o th e e a s t o f t h e Fr e s no 1 s t S t r e e t s t at i on b u i l d i n g are a bou t 15 m e t e r s fr o m th e i n l e t p r ob e a n d P M m an u a l i n s trum e nt s. Di s c u s s io n: E P As i t in g c r it e r i a r e qui r e th a t tr e e s a r e a t l ea s t 10 m e t e r s f

r o m in s tru m e nt in l e t s an d at l e a s t 20 m e t e r s wh e n th e t r e e s ac t a s an ob s t ru c t i on
. T h e A R B ’ s p l an to r e l o c a t e th i s s t at i o n t o it s p r opo s e d n e w s it e 37 5 m e t e r s t o th e e a s t s outh e a s t w i l l a d d r e ss th i s f ind i n g.
R ec o mm e nd a t io n: Non e.
F in d i n g AQ S B 11: A t th e S to c kton

- H a z e l t o n m oni t o rin g s t at i on , a l ar g e tr e e t o t h e s o u th o f th e tr a i l e r i s ac tin g a s an ob s t ru c t i o n f o r t h e g a s e ou s pol l ut a nt s a mp l e tr a i n i nl e t a s w e ll a s t o t h e PM 10 an d PM 2 .5 s amp l e r s
. T hi s s i t e do e s n o t m e e t th e p r ob e s i t in g c r i t e ri a i n 40 C F R 58 , App e ndi x E

. Di s c u s s io n: T h e ob s tru c tio n c a u s e d b y th i s tr e e h a s b ee n not e d i n p r e viou s v i s it s t o t he s i t e
. A c c o r di n g t o R o n L e w i s , L ea d A i r P ol l ut i o n S p e c i a l i s t , th e tr ee h a s b e e n tri mm e d in th e p a s t i n a n a tt e mp t t o m i ni m i z e i t s a ff e c t a s an ob s t ru c t i on
. T h e P M m a nu a l s am pl e rs w e r e p r e viou s l y lo c a t e d o n th e r oo f o f th e H ea l t h D e p a rt m e n t B u ild i n g b u t w e r e m ov ed t o th e t op o f th e s t a tio n tr a i l e r wh e n t h e He a l t h D e p a rt m e n t r oo f w a s r e p ai r e d

. R on b e l i e v e d th e y c ou l d r e tu r n th e P M s am pl e r s t o t h e r oo f

. I f s o , th e P M s amp l e r s w ou ld m e e t a l l s i t in g c ri t e r i a.
T h e in l e t f

o r th e g a s e ou s in s trum e nt s wi l l n e e d t o b e m ov e d o r t h e tr e e t ri m m ed s i g ni f i c a nt l y in o r d e r t o m e e t

s i t in g c r it e ri a.
R ec o mm e nd a t io n: Add r e s s s i t in g i s s u e s b y r e l o c at i n g P M s am pl e r s t o th e r oo f o f t he H ea l t h D e p a

rt m e n t B uil di n g
. D e v e lo p a pl a n t o a dd r e s s th e s i t in g o f t h e g a s e ous in s tru m e n t i n l e t p r ob e b y e i t h e r m ovin g inl e t p r o b e ( a l t ho u g h th i s m a y n o t b e a n o p t i on s i n c e p r ob e a l r e a d y a

pp e a r s t o b e a s f

a r a w a y f r o m tr e e a s po ss ibl e ) , mov i n g t h e tr ai l er f a rt h e r f r o m th e tr e e , o r b y s i gni f

i c a n t l y tri m min g th e t r e e s o th at i t no l ong e r ob s t ru c ts ai r f l o w.
F in d i n g AQ S B 12: T h e p a l m t r e e n o rt hw e s t o f th e Vi s a li a m onito r in g s t at i o n i s w i t h in 1 0 m e t e r s o f th e i nl e t p r o b e.35

Di s c u s s io n: A s s t a t e d in 40 C F R 58 , App e ndi x E (Pr o b e a nd M oni t o rin g P at h S i t ing C ri t e ri a f o r Amb i e n t Ai r Q u a l it y M oni t o rin g ) , s e c t i on s 2

. 4 a nd 8

. 2 , tr ee s ca n p r ov i de s u rf a c e s f o r o z on e o r NO 2 a d s o r

pt i on s o r r e du c t i on s , s u rf ac e s f o r p a r ti c ul a t e d e po s i t ion, and g e n e r a ll y ob s t ru c t w i n d f low

. E P A un d e r s t an d s t h at r e movin g a tr e e , e s p e c i a l l y fr om a l e a s e d s i t e , i s no t a l w a y s po s s i bl e
. A R B s hou l d p e r f o rm an an a l y s i s o f th e p r e v ai l i ng wind di r e c t i o n a t th e Vi s a l i a s it e t o d e t e rm i n e th e d i r e c t i on o f th e p r e v ai l in g wind s
. I f the p r e v ai l in g w i nd s a

r e g e n e r a l l y fr o m th e n o rt hw e s t , A R B wi l l n e e d t o c o rr ec t t hi s s i t ing i s s u e , e i t h e r b y h a v in g th e tr e e t ri m m e d o r r e m ov e d o r r e lo c at i n g th e s i t e.
R ec o mm e nd a t io n: P e r f o rm an an a l y s i s o f p r e v ai l i n g w i nd di r e c t i on s at th e V i s a li a s i te to h e l p e v a l u at e t h e imp a c t o f th e p a l m tr ee no rth w e s t o f t h e in l e t p r ob e an d m a nu al s a mp l e r s.



### S a n Jo a q u i n V a ll e y A P C D M o n i to ri n g S i t es
F iv e m oni t o rin g s t at i on s op e r a t e d b y th e S J V A P C D w e r e e v a l u at e d a s p art o f th is T S A

. F ou r op e r a to r s , W a rr e n L e l e a u x , Du an e T h omp s on , J ai m e C o n tr e a s , an d C a rl C am p , w e r e in t e r v i e w e d

. O t h e r S J VA P C D s t a f f i nt e r vi e w e d w e r e S t e v e S h a w a nd K a s hmi r P andh e r
. T h e S a n J o a qui n V a l l e y D i s t ri c t f i e l d t e c hn i c i an s ar e w e ll v e r s e d in e qu i pm e nt op e r at i on s b u t t h e r e ar e v ari a t i on s a s t o h o w th e y p e rf o r m ce rt ai n p r o c e du r e s, s u c h a s g e n e r a l s t a t i o n d o c um e nt at i o n an d m a ni f o l d c l e a ni n g an d c ondi t io ni n g. Ho w e v e r , q u a l it y c ontr o l c h e c k s an d m a int e n an c e o f e quip m e n t a r e p e r f o r m e d in a c c o r d a n c e with E P A r e q u i r e m e nt s a n d guid an c e
. F i e l d t ec h n i c i an s ar e r e s pon s ibl e f or d a y
- t o
- d a y o p e r a t i on s a s w e l l a s i n s t rum e n t r e p a i r a n d m ai nt e n an c e a t th e i r a s s i g n ed s t at i on s.
T h e r e a r e no Di s tri c t

- s p ec i f

i c f i e l d S O P s a v ai l abl e to s i t e op e r a to r s
. O p e r at o rs r e l y on in s tr um e n t o p e r a ti o n m anu a l s a n d A R B S O P s , w h e n a v ai l a b l e
. S J VA P CD op e r a to r s ac knowl e d g e d t h e n e e d f o r s p ec i f i c in s tru m e n t a nd o p e r at i o n S O P s , but s t a t ed th a t l a c k o f Di s tri c t moni t o ri n g r e s o u r c e s m a d e i t d i ff i c ul t t o a dd r e s s a l l o f th e a r e a s in th e m onit o rin g p r o g r am t h at n e e d e d at t e nt i on. S t a tion s we r e s e t up t o a utom a t i ca ll y p e rf o rm z e r o , s p an and p r ec i s io n c h e c k s of c o n tinuou s g a s e ou s i n s t rum e nt s on a s c h e d u l e th a t e x c e e d s E P A r e qu i r e m e n t s
. T h e f l ow r at e o f l o w f

lo w P M in s tru m e nt s i s c h ec k e d b i

- w e e k l y , c a lib r a t i on s o f low

- f low s a mpl e rs i s s e m i

- a nnu a ll y
. H i g h vo lum e P M s am pl e r f lo w c h e c k s a r e p e rf

o rm e d m onth l y a nd c a lib r a t e d s e m i

- a nnu a l l y
. F l ow s a r e c h e c k e d a t 16

. 67 lp m f o r lo w f lo w i n s t rum e nt s a nd at 40 s c f m f o r h i g h vol u m e i n s t rum e nt s
. F o r g a s e ou s i n s t rum e nt s , f lo w c h e c k s a

re p e rf o rm e d e a c h t i m e th e f

i e l d t e c hni c i an vi s i t s th e s i t e a n d ca l i b r a tion s ar e p e rf o r m ed s e m i

- annu a l l y. Al l s t a tion s m ai nt a i n lo g book s to do c u m e n t s i t e vi s it s , p r e v e nt i v e m a int e n an c e, r e s ol u tion o f op e r at i on a l p r obl e m s , an d c o rr e c t i v e a c tion s t ak e n
. L o g book s w e re g e n e r a l l y d e t a il e d

. Op e r ato r s a r c h iv e s t at i o n l o g b ook s a t th e i r m ai n mo n ito ri n g s t a t i on or36

o ff i c e
. Oth e r s t at i o n r ec o r d s in c l ud e Q C c h e c k li s t s a n d m ai nt e n a n c e s h e e t s whi c h a re a l s o a r c hiv e d at t h e op e r a to r’ s m ai n m onito ri n g s t a t i on o r o ff i c e
. All n e c e ss ary c a lib r a t i o n i n f

o rm a t i o n i s a v a il abl e t o th e f i e ld o p e r a to r s. C o rr e c t i v e a c t i on s a

r e d e a l t wi t h on a c a s e
- b y
- ca s e b a s i s
. I f a s i t e in s tru m e n t f a ils an A R B a nn u a l a udit , s p e c i f i c c o rr e c t i v e a c t i on s a

r e t ak e n b a s e d o n c on s u l t at i o n with A R B f i e l d o p e r at i on s s t a f

f

. T h e S J VA P C D do e s no t h a v e an y s p e c i f i c S O P s t h at a d d r e ss in s tru m e n t c o rr e c t i v e a c t i on s
. S t at i on op e r a to r c a n n o t e s p e c i a l c i r c um s t a n c e s on s trip c h a r t. 

### S J V A P C D Fie l d O p e r at i o n Fi nd i ng s
F in d i n g S J V 1: T h e S an J o a qui n V a l l e y A P C D do e s n o t h a v e Di s tri c t s p e c i f i c S O Ps a dd r e s s in g t h e op e r a tio n an d m a in t e n an c e o f i t s a i r pollut i o n moni t o ri n g n e two rk.
Di s c u s s io n: T h e di s tri c t s t a f f r e l i e s on t h e A R B S O P s f o r in s tr um e n t o p e r a t i on s
. W h i le th i s i s a c c e pt abl e in p r a c ti ce , t h e di s tri c t s ho u l d e n s u r e th a t c opi e s o f th e S O P s a r e r ea d i ly a v a il abl e t o a ll s t at i on op e r at o r s
. T h e r e i s no p r o c e s s in pl a c e t o e n s u r e th i s wi l l o c c u r.
Fr o m a s tri c t l y p e r f

o rm a n ce p e r s p e c ti v e , th e s t a t i on op e r a to r s h a v e d e m o n s tr at ed knowl e dg e o f t h e moni to rin g in s tru m e n t s an d a l l r e qu i r e d an d a pp r op ri at e Q C c h e c k s a re p e rf o rm e d and do c u m e n t e d

. Y e t th e r e ar e s o m e v a ri at i on s i n th e Q C c h e c k s , e
. g. c on c e n t r at i on s u s e d in s p a n c h ec k s f o r g a s e ou s i n s t rum e nt s a s w e l l a s m ai n t e n an ce p r o c e du r e s , s u c h a s m ani f ol d c l e a n in g p r o c e du r e s. S O P s d e t a i l th e wo rk p r o c e du r e s th at a r e t o b e c o n du c t e d o r f

ollow e d wi t hi n an o r g an i za tion

. S O P s do c u m e n t t h e w a y a c t i vi t i e s a r e to b e p e rf

o rm e d t o e n s u r e c on s i s t e nt c on f o rm an c e t o t e c hn i c a l and qu a li t y s y s t e m r e qui r e m e nt s a n d t o s uppo rt d at a qu a l it y. S O P s a r e int e nd e d to b e s p e c i f

i c t o th e o r g a ni za t i on o r f a c i l i t y who s e a c t i vi t i e s a

re d e s c ri b e d an d t o a s s i s t t h at o r g an i za tio n t o m a in t ai n th e i r qu a l it y c on t r o l an d qu a l ity a s s u r an c e p r o c e ss e s a n d t o e n s u r e c ompl i an c e wi t h g ov e rn m e n t a l r e gul at i on s. S u ff i c i e n tl y d e t a i l e d S O P s c a n a l s o s e r v e a s tr a inin g m a t e ri a l s an d r e f e r e n c e s f or op e r a to r s , p art i c ul a

r l y i f th e y a

r e up d at e d r e g u l a

r l y ( whi c h i s r e c omm e nd e d to b e don e on a th r ee
- y e a r c y c l e )

. S O P s s hould b e di s tri but e d s o t h at on l y th e m o s t r e c e n t v e r s ion s a re u s e d ( c on t r oll e d

- c op i e s )

. F u rth e r g u id an c e on d e v e lop i n g S O P s can b e f ou n d i n th e E PA g uid a n c e d o c u m e n t " Gu i d a n c e f o r P r e p a ri n g S t and a

r d Op e r a t in g P r o c e d u r e s ", E P A/240 / B

- 01/004 , M ar c h 2001

. D e vi a tion s a n d c h an g e s f r o m S O P s s hou l d b e d a t e d, do c u m e n t e d , a n d k e p t i n a bound o r e l ec tr oni c f i l e th a t i s r out i n e l y a v ai l a b l e t o a l l s t a f

f.
R ec o mm e nd a t io n: T h e S J V A P C D s hould d e v e lo p Di s tri c t s p e c i f i c S O P s ( wi t h A RB a pp r o v a l ) f o r a l l p o l l ut a n t an d m e t e o r ol o g i c a l mo nito ri n g i n s t rum e nt s
. Al t e rn a tiv e l y , t he S J VA P C D c a n a dop t th e A R B S O P s.
F in d i n g S J V 2: T h e S J V A P C D f i e ld op e r a to r s d o no t m a in t ai n z e r o a nd s p an or p r e c i s io n c h e c k c on t r o l c h a rt s.37

Di s c u s s io n: T h e d at a log g in g s o f tw a r e u s e d b y t h e Di s tri c t at i t s m onito r i n g s t at i on s c an c h a r t Q C c h e c k d at a i f t ec hni c i an wi s h e s t o e x a m i n e a g r a ph i ca l p r e s e nt a t i on o f Q C d at a, how e v e r , th e r e i s no t a

s t and a r d p r a c t i ce o f p rint in g c on t r o l c h a rt s on an y s e t s c h e du l e. T h i s i s i n c ontr a s t t o t h e A RB o p e r at i on s , w h e r e th e s t at i on op e r a to r s p ri n t ou t an d r e v i ew c on t r o l c h a

r t s on a mon thl y b a s i s a s p a rt o f th e f i r s t l e v e l d a t a r e v i e w.
R ec o mm e nd a t io n: A s p a rt o f th e o v e r a

r c hi n g f i n ding on S O P s d i s c u s s e d a bov e , th e S an J o a qui n V a l l e y A P C D s ho u ld d e v e lo p f i r s t l e v e l d at a r e vi e w S O P s f o r u s e b y t h e f

i e ld t e c hn i c i a n s
. T hi s S O P s ho u l d r e qui r e th e u s e o f c o n tr o l c h a r t s a s p art o f th e d a t a r e v i ew and v e ri f i ca t i on p r o c e s s.
F in d i n g S J V 3: St at i o n an d i n s t rum e n t lo g book s ar e no t r e vi e w e d b y th e S up e r v i s i n g A ir Qu a l it y I n s t rum e n t T e c h ni c i an. Di s c u s s io n: T h e r e ar e l o g book s m a in t ain e d a t a l l s t a tion s to do c u m e nt s it e v i s i t s, p r e v e nt i v e m a int e n an c e , r e s o l ution o f op e r a tion a l p r obl e m s a n d c o rr e c t i v e a c t i on s t ak e n. T h e l o g book s w e r e a l l c om pl e t e , d e t a il e d a nd up
- t o
- d a t e
. How e v e r , no s up e r vi s o rs r e v i e w th e s t at i o n l o g bo o k s
. T h e S J VA P C D S up er v i s i n g A i r Q u a l it y I n s trum e nt T e c hn i c i a n a c know l e d g e d th e n e e d f o r r e vi e w i n g t h e lo g book s p e ri odi c a l l y b u t s t at ed th a t g iv e n th e l i mi t e d n um b e r o f p e r s on n e l , t h e t i m e a v a il abl e to hi m t o p e rf o rm s u ch s up e r vi s o r y t a s k s w a s l i m i t e d.
R ec o mm e nd a t io n: I n o r d e r t o e n s u r e th at f i e l d p e r s onn e l a

r e p e rf o rm in g a c tivi t i es c on s i s t e n t w i t h th e Di s tri c t S O P s ( s e e S O P di s c u ss io n a bov e ) t h e r e s ho u ld b e s o m e l e v el o f ov e r s i g ht o f f

i e l d s t a ff

. T hi s o v e r s i g h t t a s k ca n e ith e r b e p e rf o rm e d b y th e S up e r v i s i ng Ai r Q u a l it y I n s t rum e n t T e c hni c i an o r b y a f i r s t l in e s up e r vi s o r.
F in d i n g S J V 4: T h e r e i s n o c u rr e nt , c on s i s t e nt p r o c e du r e in pl a c e f o r ar c hi v in g a ll s t at i o n r e c o r d s. Di s c u s s io n: F i e l d t e c hn i c i a n s wi l l g e n e r a l l y a r c h i v e u s e d l o g book s at th e i r o ff i c e s. I n s tru m e n t m a int e n an c e an d c h ec k s h e e t s , whi c h a r e t h e r e c o r d o f Q C c h ec k s , a re a r c hiv e d at t h e D i s t ri c t o f

f i c e o r at A R B

. W hi l e a d e c e ntr a l i z e d s y s t e m o f ar c hiving s t at i o n i s a c c e pt abl e , t h e r e s hould b e w ri t t e n p r o c e du r e s i n p l a c e s o th a t f i e l d t ec hn i c i ans u s e c on s i s t e n t p r o c e d u r e s
. I d e a l l y , th e r e s hou l d b e a c e n t r a l , s e c u r e f a c i l i t y f o r a ll am bi e n t m oni t o rin g do c um e n t at i on
. St at i on d o c um e nt a tion s e n t t o th e A R B s hou l d be c op i e d an d r e t ain e d b y th e Di s tri c t.
R ec o mm e nd a t io n: T h e S an J o a qu i n V a l l e y A P C D s hould d e v e lo p a S O P f o r d o c um e nt an d r e c o r d a

r c h ivin g.
F in d i n g S J V 5: A t th e B ak e r s f i e ld

– G ol d e n S t at e Hi g h w a y s i t e , th e ar e a s u rr ound i n g the tr a i l e r wh i c h hou s e s th e m onito r in g e qui p m e n t n e e d s t o b e s t abi l i ze d.
Di s c u s s io n: B ak e r s f

i e l d Gold e n S t at e Hi g h w a y i s o n e o f th e h i g h e r r e a di n g PM 10 s it e s in th e S an J o a qu i n V a l l e y D i s tri c t n e t w o rk

. E P A r e gu l at i on s at 40 C F R 58 , App e ndi x E ,38

s e c t i on 8

. 4 s t at e s "S t at io n s s hould not b e lo c a t e d i n a n unp a v e d a r e a unl e s s t h e r e is v e g e t a tiv e g r oun d c ov e r y ear r ound , s o th at t h e imp a c t o f w i nd blown du s t wi l l b e ke p t to a m i nimu m ".
R ec o mm e nd a t io n: S t a

bi l i z e th e p a

r kin g ar e a w h e r e th e Bak e r s f i e l d Gol d e n S t a te Hi g h wa y tr a i l e r i s lo c at e d.



### N o r t h er n S ierr a A Q M D M o n i t o ri n g S i t es
T h e No rth e rn S i e rr a A i r Qu a l it y M an a g e m e n t Di s tri c t ( N S AQ M D ) op e r a t e s a n e t w o rk o f o z on e a n d P M m onito r in g in s tru m e nt s
. F ou r mo n ito ri n g s t a t io n s ru n b y the N S AQ M D w e r e e v a lu a t e d

. T h r e e f i e l d t e c hni c i a n s w e r e in t e r v i e w e d : J o e F i s h , th e a ir moni t o ri n g m an a g e r , G e o r g e O za ni c h , an d K e n W a l k e r
. T h e N S A Q M D f i e l d t e c hn i c i a ns a l l e x hibi t e d a th o r ou g h kn o w l e dg e o f e qu i pm e n t op e r at i on s
. Al l q u a l it y c ontr o l c h e c ks an d m a in t e n an c e a

r e p e rf o rm e d i n a c c o r d a n c e wi t h E P A r e g u l at i on s
. F i e l d t e c hni c i ans a r e r e s pon s ib l e f

o r d a y
- t o
- d a y op e r at i on s a s w e l l a s in s tru m e n t r e p ai r an d m a in t e n an c e at th e i r a s s i g n e d s t at i on s
. T h e moni t o rin g m a n a g e r p e r f o rm s c a l i b r at i on s o f th e o z one in s tru m e n t s.
T h e moni t o ri n g s t a tion s o p e r at e d b y t h e N S AQ M D a r e not s e t up to p e rf

o rm au t om a t e d Q C c h ec k s
. A l l z e r o , s p a n , and p r ec i s io n c h e c k s f o r o z on e a

r e p e rf o rm ed m a nu a ll y a

bout on c e a w e e k a n d f

lo w c h e c k s o f P M i n s t rum e n t s a r e p e r f o r m e d o n c e p er mon t h , whi c h e x c ee d s E P A r e qui r e m e nt s.
No rth e rn Si e r

r a A Q M D u s e s th e A R B S O P s
. H ar d c op i e s o f th e S O P s a r e k e p t at th e G r a s s V a l l e y o ff

i c e/ s i t e b u t n o t at a n y oth e r s i t e s
. S i t e o p e r a to r s h a v e t h e i n s t rum e nt m a nu a l s but no t th e S O P s
. Op e r a to r s k e e p tr a c k o f unu s u a l e v e n t s o r ano m a l i e s f or c o n tinuou s in s trum e nt s i n a m onth l y r e p o rt s h ee t a n d a l s o do c um e n t i s s u e s f o r the moni t o ri n g m an a g e r
. A n y s p e c i a l e v e nt s o r a no m a l i e s f o r F R M PM 2 .5 a

r e r e c o r d e d on th e C h a in o f C u s to d y s h ee t and s e n t t o A R B with t h e f i l t e r
. S t a nd a

r d l o g b o ok s a

r e n ot u s e d b y N S A Q M D , bu t a l t e rn a tiv e d o c um e nt a tio n m e thod s a r e ut i li ze d , e
. g
. e l e c tr on ic f i l e s a nd b i nd e r s
. S t at i on op e r a to r s m a y k ee p th e i r o w n r e c o r d s , thoug h th e r ec o r d s k e pt a r e a t t h e i r o wn di s c r e t i on.



### N S A Q M D Fie l d O p e r at i o n F i nd i n gs
F in d i n g N S 1: T h e N S AQ M D f i e l d t e c hni c i an s h a v e in s tr um e n t m anu a l s bu t n o t S O P s. T h e A R B S O P s ar e on l y k e p t at t h e D i s t ri c t ’ s m ai n o ff i c e i n Gr a s s V a ll e y a n d a r e no t at f i e ld s t at i on s
. Addi t ion a l l y , t h e Di s t ri c t op e r a tion s d e vi a t e fr o m t h e A R B S O P s bu t do not do c u m e n t t ho s e d e vi a tion s. Di s c u s s io n: S O P s d e t ai l t h e w o r k p r o c e du r e s th a t a r e to b e c ondu c t e d o r f

o llow e d wi t hin an o r g an i za tion

. S O P s do c u m e n t t h e w a y a c t i vi t i e s a r e to b e p e rf

o rm e d t o e n s u re c on s i s t e n t c on f

o rm an c e t o t e c hni c a l and q u a l it y s y s t e m r e qui r e m e nt s a n d to s uppo rt d ata39

qu a l it y
. S O P s a

r e i nt e nd e d t o b e s p e c i f

i c t o th e o r g an i za tion o r f a c i l i t y w h o s e a c t i vi t i es a r e d e s c r ib e d an d t o a ss i s t th at o r g a ni z at i o n t o m ai nt ai n t h e i r q u a li t y c ontr o l a nd q u a li ty a s s u r an c e p r o c e ss e s a n d t o e n s u r e c ompl i an c e wi t h g ov e rn m e n t a l r e gul at i on s. S u ff i c i e n tl y d e t a i l e d S O P s c a n a l s o s e r v e a s tr a inin g m a t e ri a l s an d r e f e r e n c e s f or op e r a to r s , p art i c ul a

r l y i f th e y a

r e up d at e d r e g u l a

r l y ( whi c h i s r e c omm e nd e d to b e don e on a th r ee
- y e a r c y c l e )

. S O P s s hould b e di s tri but e d s o t h at on l y th e m o s t r e c e n t v e r s ion s a re u s e d ( c on t r oll e d

- c op i e s )

. F u rth e r g u id an c e on d e v e lop i n g S O P s can b e f ou n d i n th e E PA g uid a n c e d o c u m e n t " Gu i d a n c e f o r P r e p a ri n g S t and a

r d Op e r a t in g P r o c e d u r e s ", E P A/240 / B

- 01/004 , M ar c h 2001

. D e vi a tion s a n d c h an g e s f r o m S O P s s hou l d b e d a t e d, do c u m e n t e d , a n d k e p t i n a bound o r e l ec tr oni c f i l e th a t i s r out i n e l y a v ai l a b l e t o a l l s t a f

f.
T h e N S AQ M D h a s m od i f i e d s o m e o f t h e p r ac t i c e s i n th e A R B S O P s , bu t t h e se d e v i at i on s a

r e not do c u m e nt e d

. F o r e x am pl e , th e N S A Q M D u s e s 5 % a s a n a c t i o n l e v el f o r z e r o / s p a n c h e c k s f

o r o z on e
. A R B u s e s 10 % a s an a c tio n l e v e l

. W hil e i t is c om m e nd a

b l e t h at t h e D i s t ri c t u s e s s u c h a s tri n g e n t a c c e p t an c e c ri t e rion , s in c e th e y a re p a rt o f th e A R B P QAO , t h e y s houl d r e qu e s t ap p r o v a l fr o m A R B to u s e t hi s c r it e r ion.
R ec o mm e nd a t io n: T h e N S A Q M D n e e d s t o d e v e lo p Di s tri c t s p ec i f i c S O P s f o r a ll moni t o ri n g i n s t rum e nt s a nd s ubm i t th e m t o A R B f o r app r ov a l

. Al t e rn a t i v e l y , t he N S AQ M D c a n a dop t th e A R B S O P s.
F in d i n g N S 2: T h e N S AQ M D r e c o r d

- k e e pi n g p r o c e du r e s s houl d b e m o r e r i g o r ou s. Di s c u s s io n: T h e N S AQ M D h a s no r e c o r d k ee pin g s t and a r d o p e r at i n g p r o c e d u r e s. P ollu t an t in s tr um e n t i n f

o rm a t i o n i s k e p t i n an e l e c tr oni c f o rm at a n d p e r iod i c a ll y p rint ed ou t ands to r e d i n a bin d e r
. R ec o r d ke e pin g b y ind iv idu a l o p e r a t o r s i s no t c o n s i s t e n t and s e e m s to b e at th e op e r at o r’ s d i s c r e t i on
. No s t at io n l o g book s ar e m ai nt a in e d

. N o r e c o r ds f o r m an u a l P M s a mpl i n g a r e m a int a in e d.
R ec o mm e nd a t io n: T h e N S A Q M D s hould d e v e l o p a S O P f o r r e c o r d k ee pin g th at in c lud e s p r o c e d u r e s f

o r u t i l i z in g s t at i o n lo g book s , f o r m a int a in i n g o th e r n ece s s a ry r e c o r d s o f in s tru m e n t o p e r a t i on s ( e
. g
. Q C a n d m a i nt e n an c e c h e c k s h e e t s ) , f o r r e g ul ar m a n a g e m e n t r e vi e w o f r e c o r d s , a n d f o r s u it abl e a

r c hiv i n g p r o ce du r e s t o e n s u r e the s e c u ri t y o f t h e s e r e c o r d s.
F in d i n g N S 3: T h e N S AQ M D e x p e r i e n ce s s i gni f i c a n t o z o n e d at a l o s s du e t o a l a c k of s p a r e p art s. Di s c u s s io n: T h e N S AQ M D e x p e r i e n ce s s i gni f i c an t d a t a g a

p s b e c a u s e o f f

a i l in g o z one pump s th at c a nno t b e r e p l a c e d qui c k l y
. T h e y m u s t e i t h e r b e r e bui l t o r n e w on e s o r d e r e d. 4 0 C F R 50

. 11 r e qui r e s h ou r l y d a t a th a t a r e at l ea s t 75 % c o m pl e t e
. T o e n s u r e th a t this r e q u i r e m e n t i s m e t , p r o lo n g e d in s tru m e nt dow n
- t i m e s ho u ld b e a vo i d e d , i f at a ll po s s i bl e.
R ec o mm e nd a t io n: N S AQ M D s ho u ld h a v e at l e a s t on e s p a r e o z on e pump t o a void unn e c e ss ar y lo s s o f d a t a.40

F in d i n g N S 4: Audi t s p e r f o rm e d b y A R B o f th e N S A Q M D P M in s tru m e n t s do not c on f o rm t o C F R r e q u i r e m e n t s
. Addi t ion a ll y , th e N S A Q M D s t a t e d th at th e A R B do e s not p e rf o rm t h r o u g h th e p r o b e au d it s o f N S AQ M D o z o n e m oni t o r s. Di s c u s s io n: F l o w audi t s f o r P M in s tru m e n t s s hould o cc u r e v e r y 6 m onth s , bu t th e a c tu al s c h e du l e h a s b e e n c l o s e r to on c e a y e a r
. F o r e x am p l e , t h e tw o m o s t r e c e n t P M f low audi t s p e r f

o rm e d b y th e A R B w e r e li s t e d b y th e N S A Q M D m oni t o rin g m a n a g e r as o c c u rri n g on 8 /8/200 6 a n d 6/ 4/2007.
W hil e t h e A R B p e r f

o rm s o z on e audi t s a t t h e r e qu i r e d f r e qu e n c y , th e N S A Q MD moni t o ri n g m an a g e r not e d th a t du rin g th e l a s t tw o a udit s , on 6 /26 / 200 6 a nd 6/4/2007 , the A R B s t a f f d i d n o t p e rf

o r m th r ou g h

- th e
- p r o b e a u d i t s
. T h e N S A Q M D m oni t o ring m a n a g e r s t a t e d th a t th e a udi t g a s w a s intr od u ce d d i r e c tl y int o th e o z on e in s tru m e n t s and no t th r oug h t h e s a mpl in g t r ai n
. T h e r e w a s no e x p l an a tio n f o r th i s r e v i s e d p r o c e du r e.
R ec o mm e nd a t io n: A R B f l o w c h ec k s f

o r P M s a mp l e r s s hou l d b e s c h e du l e d f o r e v e r y 6 mon t h s f o r P M in s trum e nt s
. R e g ar din g th e o z o n e a udi t s , t h e A RB s houl d e n s u r e th at c on s i s t e nt p r o c e du r e s ar e f ol l o w e d b y th e a udi t t e a m
. I f th e r e i s a s p e c i f i c r e a s o n w h y a th r ough

- th e
- p r o b e audi t i s not po s s i bl e , t hi s s hou l d b e c o mmun i c a t e d t o th e N S A Q MD moni t o ri n g m an a g e r an d do c u m e nt e d i n t h e audi t r e po rt.
F in d i n g N S 5: T h e r e i s n o f e e d b a c k fr o m th e A R B on o u t c o m e o f P M f i lt e r s
. S e e a l so L ab o r at o r y F i ndin g # I L 8.
Di s c u s s io n: T h e c h a i n o f c u s t o d y s h e e t s an d P M f i lt e r s a r e s e n t fr o m l o c a l D i s t ri c t s to A R B , wh e r e a ll s ub s e q u e nt s amp l e h andl i n g an d d at a r e p o rt i n g o cc u r s
. A R B d o e s not r e p o rt b a c k t o Di s tri c t s f

o r s e v e r a l mon t h s , s o th e r e i s no oppo rtuni t y t o m ak e up s a mpl i n g run s o r t o a d d r e s s p r o b l e m s i n a t i m e l y m ann e r
. I n th e c a s e o f e x c ee d an ce v a l u e s a n d PM 10 s am pl e r s running on a o n e in s i x d a y s c h e dul e , Di s t ri c t s s hould be in f o rm e d p r omp t l y w h e n an e x c e e d a n c e o f th e 2 4 hou r NA A Q S o c c u r s
. T h i s w o u ld a l l o w t h e D i s t ri c t s th e option o f in c r e a s i n g th e PM 10 s am p l i n g fr e q u e n c y t o a void h a v i ng a s i n g l e e x c e e d an c e r e p r e s e n t a viol a tion o f th e N AA Q S.
R ec o mm e nd a t io n: Im m e d i at e l y r e p o rt f i l t e r r e s u l t s wh e n th e r e i s a p r ob l e m o r an e x c ee d an ce.
F in d i n g N S 6: T h e mo s t r e ce n t A R B s i t e s u r v e y r e po rt w a s n o t a c c u r at e. Di s c u s s io n: T h e E P A a udi t o r n o t e d a numb e r o f i n a cc u r ac i e s on th e A R B audi t s h e e t f or G r a s s V a l l e y , in c lu d in g:
• A tr e e wi t hin 4 m o f o z on e inl et
• O z on e c a l i b r a tio n l i s t e d a s no t c u rr e n t b u t n o t l i s t e d a s a n a c t i o n it e m.
• T h e audi t r e po rt d i d n o t s p e c i f y w h e th e r t h e B A M i s PM 10 o r PM 2 .5 . T h e B A M at G r a s s V a l l e y i s m ea s u ri n g PM 2 .5 whil e th e p u r po s e l i s t e d i n th e au d it s h e e t is S LA M S

. T h e B A M i s n o t a F E M a p p r ov e d m e th o d f

o r PM 2 .5 .41 • T h e lo g boo k at P o rt o l a w a s l i s t e d a s b e in g u p
- to

- d a t e , bu t i n f a c t th e r e i s no l o g book.
R ec o mm e nd a t io n: A R B s houl d r e vi e w s i t in g c r i t e r i a an d in f o r m at i on o n s i t e s u r v ey r e p o rt du ri n g audi t s.
F in d i n g N S 7: T h e r e a r e tr e e s wi t hin 20 m o f moni t o r s. Di s c u s s io n: Si tin g r e qu i r e m e n t s s t at e th at t r e e s s hou l d b e >2 0 m fr om o z on e i nl e t ( 40 C F R 58 , app e n d i x E)

. A t t h e G r a s s V a l l e y s i t e , th e r e i s a t r e e wi t hin 4 m o f th e o z one in l e t

. A t th e Quin c y s i t e , th e r e i s a g r ou p o f tr e e s 10

- 1 2 m fr om o z o n e , PM 2 .5 , an d PM 10 in s tru m e n t s.
R ec o mm e nd a t io n: T h e N S A Q M D n e e d s t o a d d r e s s th i s s i ti n g i s s u e , e ith e r b y tr i m mi ng o r r e m ovi n g th e tr e e s o r r e l o c a ti n g th e i nl e t s o f th e in s tru m e n t s.



### Gre at Ba s i n U n i f

ie d A P C D M o n i t o r i n g S i t es
T h e G r e at Ba s i n Un i f

i e d Ai r P ol l ut i o n C ontr o l Di s tri c t ( G B U A P C D ) i s the r e s pon s ibl e l o c a l a g e n c y f o r am bi e n t moni t o rin g i n In y o , M on o an d A l pin e C ount i e s in C a l i f o rn i a
. A s s t at e d i n th e Di s tri c t ’ s Q A P P f o r PM 10 , “ ...i t i s th e G B UA P C D ’s r e s pon s ibi l i t y t o d e v e l o p lo n g
- r an g e c omp r e h e n s i v e p r o g r a m s t o a c h i e v e an d m a in t ain F e d e r a l ands t at e ai r qu a l i t y s t an d a r d s
. T h e G B UA P C D i s r e s pon s ibl e f o r the i m pl e m e n t at i on o f th e a i r qu a l it y mo n ito ri n g p r o g r am an d th e e n f o r ce m e n t o f F e d e r a l, S t at e an d lo c a l rul e s an d r e g u l at i on s g o v e r ni n g ai r qu a li t y a t th e lo c a l l e v e l ”.
T h e Ai r Qu a li t y M oni t o rin g S e c tio n c ond u c t s a l l a i r q u a l it y an d m e t e o r o lo gi c al moni t o ri n g a n d l a

bo r a to r y a c t i vi t i e s f

o r th e Di s tri c t

. T h e Ai r M o n ito r in g S p e c i a l i s t, C h ri s top h e r L an a n e , s u p e r v i s e s d a y
- to

- d a y op e r a ti on o f th e n e two rk an d th e l abo r at o r y, in c lud i n g f

i e ld op e r a t i o n s , m ai nt e n an c e a n d c a l i b r at i on s , f i e l d Q C , d at a c o l l e c t i o n and v a l i d a tio n an d i s r e s pon s i bl e f o r w ri t i n g t h e Q A P P S

. T h e Q A ( in c l udi n g p e rf o r m an ce audi t s , l e v e l 2 d at a v a lid a t i o n a n d AQ S upl o a d ) p e r s onn e l a r e s u p e r vi s e d b y th e D e pu ty Ai r P ol l ut i o n C ontr o l O ff i c e r , Du a n e Ono

. T h e m e m b e r s o f G B U A P C D s t a ff in t e r vi e w e d b y E P A f

o r t hi s a udi t in c lud e: C h ri s t oph e r L a n an e , A i r M oni t o rin g S p ec i a l i st D an J ohn s on , A i r Qu a l i t y T ec hni c i an II G u y D a vi s , Ai r Q u a l i t y T e c hni c i an II G a b e Ib a rr a , Ai r Q u a l it y T e c hn i c i a n II J i m P a rk e r , S e nio r R e s e a r c h An a l y st P hi l Kiddoo , R e s e ar c h an d S y s t e m s An a l y s t II M ik e Ho rn , Ai r Q u a l it y T e c hn i c i a n II42

All s t a f f int e r vi e w e d s how e d a tho r o u gh u n d e r s t a nding o f th e m onito rin g p r og r am a nd r e q u i r e d Q C a n d QA p r a c t i c e s an d th e i r i m po rt a n c e in d e t e rm i ni n g th e q u a li t y of G B U A P C D ’ s m onito rin g d a t a. S t a tion op e r a to r s c ondu c t d a y
- t o
- d a y o p e r at i on s a s w e l l a s in s tru m e n t r e p ai r a nd m a int e n an c e at th e i r a s s i g n e d s t at i on s
. T h e i r d u t i e s in c l ud e e xt e n s iv e an d w e l ldo c u m e n t e d biw ee k l y , m onth l y a nd p e riodi c qu a l i t y c ontr o l c h e c k s f o r a l l i n s t rum e n ts and d at a v a l i d at i o n th r o u g h l e v e l 1 at e a c h s t at i on
. T h e op e r a to r s i nt e r vi e w e d w e re f am i l i a r w i t h th e Di s tri c t Q A PP s a l t hou g h c op i e s w e r e n o t i n p l a c e a t a l l s it e s
. In p a rt, th i s i s du e t o t h e l a c k o f s ec u r e s t o r a g e s p a c e a t s o m e moni t o ri n g s t a tion s.
T h e m a jo ri t y o f G B U A P C D ’ s n e two rk ( 8 o f 14 S L A M S s it e s ) c on s i s t s o f bo th f i l t e r- b a s e d F R M a n d c o nt i nuou s PM 10 mo n i t o r s f o r s u r v e i l l an c e o f kno w n s ou r c e s: O w e n s and M ono l ak e b e d s a n d a g e oth e rm a l p o w e r g e n e r at o r
. T h e Di s tri c t c u rr e nt ly do e s n o t op e r at e an y g a s e ou s c ri t e ri a p o l l u t an t m oni t o r s
. Und e r E P A ' s m onit o ring r e g u l at i on s , th e Di s tri c t h a s no a r e a s r e qui rin g g a s e ou s c r it e r i a pol l ut a n t m oni t o rin g b a s ed o n th e low popul a tion o f it s t own s and vi l l a g e s
. H ow e v e r , di s c u s s i o n wi t h t h e D i s t ri ct w a s b e g u n r e g a

r d in g t h e po s s ibi l i t y o f e s t a bl i s h i n g a ru r a l N C o r e s t at i o n i n t h e ai r b a s i n.
T h e moni t o ri n g s t a tion s v i s i t e d i n c lud e d C o s o J un c t i on , Di rt y S o c k s , L o n e P i n e, M on o S ho r e , L e e V i ni n g and M a m m oth

. T h e m onito ri n g obj e c t i v e s at e a c h s it e v ary fr om popu l at i on
- o ri e nt e d s u r v e i l l a n c e ( L on e P i n e , L e e Vini n g , M a m m oth ) to s ou r c eo ri e nt e d m onito r in g ( C o s o J un c t i on , K e e l e r , M ono S ho r e )

. S t a tio n l o g book s and in s tru m e n t l o g book s w e r e m o s tl y up t o d a t e an d c on t ai n e d r e l e v an t i n f o rm a tion on op e r a tion s , r e p ai r a n d m a in t e n a n c e a c t i vi t i e s
. Al l s i t e s m e t th e s i t in g c ri t e ri a o f 40 C FR 58 , App e nd ix E , wh e r e ap p li c abl e ( pop u l at i on
- o ri e n t e d s i t e s ).
G B UA P C D op e r a t e s an i nd e p e nd e n t Q A p r o g r am f o r a l l it s P M a nd m e t e o r olo g i c a l m onito r in g an d l a bo r a to r y a c t i vi t i e s
. Althoug h th e r e i s no t a d e f in ed m a n a g e r f

o r Q A a c tivi t i e s , w e ll

- d e f in e d a nd d o c u m e nt e d QA p r o c e du r e s we r e c l ear ly d e s c ri b e d b y t h e p e r s on n e l i nt e r v i e w e d

. T h e D i s tr i c t ’ s Q A p r oj e c t p l a n s f o r PM 2 .5 and PM 10 a r e v e r y t ho r o u g h a n d in c l ud e di s tri c t

- s p e c i f i c s t and a r d o p e r a t in g p r o c e du r e s
. T he Q A p r o g r a m in c lu d e s b iw ee k l y f lo w c h ec k s b y th e s t at i on o p e r a t o r s , qu a r t e r ly ind e p e nd e n t f

lo w a udi t s o f t h e in s tru m e n t s , c h ain

- o f- c u s to d y p r o ce du r e s f o r c oll e c t ed f i l t e r s , a s y s t e m o f Q C p r o c e du r e s whi c h a r e d o c u m e nt e d f

o r e a c h s i t e , e x t e n s i v e Q A /QC f o r th e g r a vim e t ri c l a

bo r a to r y f

o r both PM 10 a n d PM 2 .5 f

ilt e r w e i g hi n g s , m on t h l y d ata r e v i e w s t a tio n
- b y
- s t at i o n t o v e r i f y c o m pl e t e n e s s a nd v a l i di t y , d e t a i l e d c o r r e c t i v e a c t i on p r o c e du r e s , ann u a l c a lib r a t i on o f a l l f low s t a nd a

r d s ( t r an s f

e r s t and a r d s an d N I S Ttr a c e a bl e p r im ar y )

. Du ri n g th e au d it , E P A r e c e i v e d a c o p y o f G B UA P C D ’ s mo s t r e ce nt PM 10 Q A P P wh i c h w i l l b e r e vi e w e d f o r a pp r o v a l b y R e g ion 9

. I n 2002 , a s p a rt o f the PM 10 Q A p r o g r a m , t h e D i s t ri c t e mpl o y e d an out s id e c on s ul t an t t o c ondu c t an ind e p e nd e n t S y s t e m Au d it o f th e PM 10 mo n ito ri n g p r og r am whi c h f ound n o c o m pli a n ce i s s u e s
. Anoth e r e x am pl e o f an ind e p e n d e n t QA p r o g r am e l e m e n t i s t h e m o n t h l y m e e t ing o f th e Di s tri c t ’ s t e c hni ca l s t a f f wh i c h a l l ow s f

o r in t e r a c t i on on p r ob l e m
- s o l vin g and s t and a r di z in g o f p r o c e d u r e s am o n g op e r at o r s.43 G B UA P C D m a n a g e s a l l o f th e a mbi e n t moni t o ri n g d a t a g e n e r at e d b y t h e d i s tri c t. D at a q u a l i t y obj e c t i v e s a n d m ea s u r e m e n t qu a l it y o b j e c ti v e s h a v e b ee n d e f

i n e d f o r the G B U A P C D ’ s p r o g r a m
. S t at i on op e r a to r s e n s u r e t h at d a t a c ol l e c t i o n a n d s a m pl e h a ndling a r e p e rf o rm e d ac c o r d i n g t o s p e c i f i c S O P s and v a l i d a t e d at a f r o m th e i r s t at i on s
. T h e QA s t a f f ( non
- o p e r a t o r s ) v e ri f

y and v a l i d a t e d at a th r o u g h l e v e l two v a l i d at i on , a s d e f in e d in th e QA P P s
. Ba s e d o n a m e m o r and u m o f un d e r s t andi n g wi t h t h e D i s t ri c t , A R B a nd E P A, G B U A P C D s ubm i t s i t s d a t a t o AQ S

. D a t a i s a r c hi v e d at e i t h e r th e m ai n o f f i c e i n B i s hop o r th e f i e ld o ff i c e i n K e e l e r. G B UA P C D m a int a in s a l a bo r a to r y f o r w e i g hi n g PM 2 .5 a n d PM 10 f i l t e r s
. T he l abo r at o r y m ee t s o r e x ce e d s t h e g r a v im e tri c a n d t e m p e r at u r e and hum i di t y QC r e q u i r e m e n t s f

o r PM 2 .5 ( 40 C F R P a

r t 50 App e n d i x L ) a n d t h e r e f o r e m e e t s a n d e x c e e d s t he r e qu i r e m e n t s f

o r w e i g hi n g PM 10 f

i l t e r s
. T h e y e mplo y a ri g o r ou s mo n th l y v e ri f i c a t i on p r o c e du r e f

o r mi c r ob a l an c e s t a nd ar d s , t e mp e r at u r e and humi d i t y m e a s u r e m e n t c h e c k s. G B UA P C D h a s p r o v id e d t e c hn i ca l a n d QA s uppo r t t o tri b a l m onito ri n g p r o g r ams with i n t h e G r eat B a s i n
. E P A c om m e nd s th e Di s tri c t f o r it s w i l l i n g n e s s t o e xt e n d i ts moni t o ri n g e x p e rt i s e t o t h e d e v e lop m e nt o f c om m uni t y m onit o rin g p r o g r a m s b y t rib al a g e n c i e s.



### G B U A P C D Fie l d O p e r at i o n Fi n d i n gs
F in d i n g G B 1: G r e at Bas in op e r a t e s an ind e p e n d e n t moni t o rin g , l a bo r a to r y an d QA p r og r a m fr o m th a t o f A R B.
Di s c u s s io n: G B UA P C D h a s ind e p e nd e n t Q A P P s f o r i t s PM 2 .5 an d PM 10 m o n ito ri ng p r og r a m s a n d l a

b o r a to r y op e r a tion s
. T h e Q A P P s in c o r po r a t e S O P s w ri t t e n b y the Di s tri c t

. Q A ov e r s i g h t b y A R B c on s i s t s o f a f lo w a udit on c e p e r y e a r.
R ec o mm e nd a t io n: G B U A P C D s hou l d b e c on s i d e r e d an in d e p e nd e n t Q A o r g an i za tion, s e p a r a t e and di s t i n c t fr o m t h e A R B , f o r p u r po s e s o f a nnu a l d a t a s u mm a r y s t a ti s t i c al e v a lu a tio n an d c o mp a

ri s o n t o th e NA A Q S.
F in d i n g G B 2: G B U A P C D ’ s tr a inin g p r o g r a m , a Q A f un c t i on , i s i nd e p e n d e n t and s e p a r a t e fr o m th at o f A R B.
Di s c u s s io n: G B UA P C D h a s ind e p e nd e n t t r ai nin g an d e du c at i o n r e qui r e m e nt s a s p a rt of i t s G e n e r a l an d A m bi e nt M oni t o ri n g
- s p e c i f i c tr a i ni n g.
R ec o mm e nd a t io n: S e e F indi n g G B 1.
F in d i n g G B 3: S o m e logbook s w e r e not up t o d a t e and s i gn e d b y th e G B UA P CD op e r a to r s a t a l l s t a tion s.44

Di s c u s s io n: L o g book s a r e an i m po rt a n t l e g a l r e c o r d f o r d e f e ndi n g th e mo ni t o rin g d ata c ol l e c t e d b y an a g e n c y
. T h e y d o c um e n t th e ac ti v i t i e s p e r f o rm e d b y th e op e r a to r at t he s i t e.
R ec o mm e nd a t io n: Al l lo g boo k e n t ri e s s hould b e s i g n e d a nd s ho u l d r e f l e c t on
- s i te a c tivi ti e s whi c h m a y a f

f ec t d at a v a l i d at i o n and/o r c o m pl e t e n e s s.45



## L A B O R A

T O R Y OP ER A

T I O NS
I n t r o d u c t i on
An a l y t i c a l l a

bo r a t o ri e s p r ov i d e s uppo rt f o r m e a s u r e m e n t m e thod s th at a r e e i t h er to o c o m pl e x o r s e n s i ti v e to p e rf o rm i n th e f

i e l d e n v i r onm e nt

. In p r ovidin g th e s e s e r v i ce s, l abo r at o ri e s e m pl o y c o m p l e x in s tru m e nt a t i o n a n d s t a f f wi t h h i g h l y s p e c i a l i z e d tr a in i n g.
F o r amb i e n t a i r s a mpl e s t o p r ovid e u s e abl e i n f o rm a tion o r e vid e n ce , l a

b o r ato ry an a l y s e s m u s t m e e t th e f

ol l o w i n g b a s i c r e qu i r e m e n t s:
E quip m e n t mu s t b e fr e q u e n tl y an d p r op e r l y c a l i b r at e d a n d m ai nt ai n e d. P e r s onn e l m u s t b e q u a l i f

i e d t o m a k e th e a n a l y s i s. An a l y t i c a l p r o c e du r e s m u s t f ol l o w a c c e p t e d p r a c t i c e. C o m pl e t e an d a c c u r a t e r ec o r d s m u s t b e ke pt.
T h e A R B M L D N o r th e rn L ab o r at o r y B r a n c h ( N L B ) i s d i vid e d i n t o t h r e e s e c t i on s: th e In o r g ani c L abo r a to r y S e c t i on , O r g an i c L ab o r a to r y S e c tion , a n d th e S p e c i a l An a l y s is S ec t i on
. T h e l a

bo r a to r y f

a c i l i t y i s a d e qu a t e f

o r th e N L B ’ s n e e d s
. T h e l ab o r at o ry p r ovi d e s an a l y t i c a l s up po rt f o r t h e c ri t e ri a p o l l u t an t s PM 10 an d PM 2 .5 . Add i t i on a l l y , the l abo r at o r y s uppo rt s th e E P A P M S p e c i a tion T r e nd s N e two rk ( S T N ) , th e Ca l i f o rn i a A ir T o xi c s M oni t o rin g N e t w o rk , an d S p e c i a l S tu d y M oni t o ri n g
. T h e l ab o r at o r y a udit f o c u s e d on PM 10 , PM 2 .5 , an d m e thod s th at h a d n o t b e e n p r e v iou s l y audi t e d a s p a r t o f t he S p ec i at i on Tr e nd s N e tw o rk

. M an y o f t h e non
- c rit e ri a pollu t an t m e thod s a r e p e rf o rm ed p ri m a ri l y f o r S t a t e pu r

p o s e s wi t h m i ni m a l s uppo rt fr o m E P A

. T h e N L B C hi e f a n d a l l the s t a f f int e r vi e w e d w e r e e x tr e m e l y c oop e r at i v e , kno w l e dg e abl e , an d in t e r ac t ed p r o f e s s ion a l l y with th e a udi t o r s. Ov e r a l l , E P A w a s i m p r e ss e d with th e o r g ani z at i o n a n d th e at t e nt i o n to d e t ail e x h i bit e d b y l a

b o r a to r y p e r s onn e l a n d r e c o r d s
. W hi l e E P A h a s in c l ud e d s e v e r a l ar e a s f or pot e nt i a l i m p r ov e m e nt , no s e ri ou s d e f i c i e n c i e s w e r e n o t e d.
T hi s s e c tio n i s d ivid e d i nt o two s e c t i on s : t h e f i r s t a dd r e s s e s f

i ndin g s f o r t he I n o r g a ni c L a bo r at o r y o p e r at i on s ; th e s e c on d a d d r e s s e s f ind i n g s f o r th e O r g an ic L ab o r at o r y o p e r at i on s.



### I no r gan i c L a bo r a t o ry
F in d i n g I L 1: T h e M LD w e i g h s e s s i on s h a v e b e e n aut o m at e d i n a m an n e r t h at r e du c es th e po s s ibi l i t y o f o p e r a t o r e rr o r. Di s c u s s io n: E P A ob s e r v e d th at th e a utom a t e d w e i g hi n g p r o ce s s f un c t i on e d a s d e s c rib ed b y th e t e c hn i c i a n s , wh o h a d b e e n a c t i v e l y e n g a g e d i n th e d e v e l opm e nt o f th e s y s t e m.46

F in d i n g I L 2: M a s s d e t e r m i n at i on o f PM 10 f i lt e r s s houl d in c lud e bl a n k c o n tr o l s. Di s c u s s io n: B l an k c o n tr ol s h e l p t o e v a lu at e th e im p a c t s o f f i l t e r h andl in g and s t o r a g e in th e l a bo r a to r y an d th e f

i e ld

. T h e y a

r e r e qu i r e d b y r e g ul a tio n a s a m ec h an i s m f or e v a lu a ti n g f

i l t e r m e di a , s e e 40 C F R P a rt 50 , Ap p e nd i x J , S ec t i on 7

. 2

. 3

. E PA C omp e ndiu m M e t ho d I O

- 3

. 1 s t at e s , i n S e c t i on 5

. 4 : t h at “ ...o n e bl ank s am p l e [ s hould be p r ovi d e d ] w i t h e v e r y 1 0 a c tu a l s am pl e s.”
R ec o mm e nd a t io n: T h e M L D s houl d in c lud e r out i n e bl a n k c ontr o l s a s a p a rt o f t h e PM 10 l abo r at o r y op e r at i on s.
F in d i n g I L 3: T e mp e r a t u r e a nd humid it y m ea s u r e m e nt s i n t h e w e i g h r o o m s a r e l o g g ed o n a p a p e r c h a rt and no t f

o rm a l l y an a l y z e d t o d e t e r mi n e c ompl i a n c e with r e gul at o ry c ri t e ri a. Di s c u s s io n: G e n e r a l l y , t h e t e m p e r a tu r e and hu mi di t y i n M L D ’ s tw o w e i g h r o o m s a re s t a b l e
. H ow e v e r , th e r e ar e t i m e s wh e n t e mp e r a tu r e a nd h u m i d it y s p i k e s a n d/or e x c u r s ion s o c c u r
. C u r

r e n tl y , t h e t e c hn i c i an s “ e y e b a l l ” th e c h art s to d e t e r m i ne c o m pl i an c e wi t h r e g u l a to r y r e qu i r e m e n t s
. I f M L D w e r e t o ca l c u l at e th e a c t u a l c ondi t ions with th e a id o f a s o f

tw ar e p r o g r am a n d e l e c tr on i c d at a l og g i n g s o f t w a r e , th e a c ce p t a

bi l i ty o f w e i g h r oo m c ondi t i on s w o u ld b e qui c k l y d i s c e r n i bl e
. R ec o mm e nd a t io n: M L D s houl d loo k i n to up g r a d i n g t h e s y s t e m f o r m on it o ring c o m pl i an c e wi t h t e m p e r a tu r e and hum i di t y r e qui r e m e n t i n t h e w e i g h r oom s.
F in d i n g I L 4: T h e PM 10 l a bo r a to r y h a s on l y r ece n t l y b e g u n t o tr a c k v e ri f i ca tion of

“ w o rkin g ” m a s s s t a n d a

r d s i n a logbook.
Di s c u s s io n: T h e PM 10 “ wo rki ng ” m a s s s t a nd ar d s a r e w e i g h e d wi t h e v e r y b at c h o f f i l t e rs to v e ri f y b a l an c e p e rf

o rm an c e
. T h e i r w e i g h t i s p e r io d i c a l l y v e r i f i e d b y a c om p a

ri s on c h e c k t o “ p ri m a

r y ” m a s s s t and a

r d s
. No do c u m e nt a tion o f thi s v e ri f i c a tio n w a s a v ai l a

b le f o r t h e d at a tr a c k e d fr o m 2006

. H ow e v e r , t hi s d e f i c i e n c y h a s b e e n c o rr e c t e d r e ce n t ly with th e u s e o f a lo g boo k

. It i s r e c om m e nd e d t h at th e u s e o f th e l o gbook b e c ontin u ed an d th a t a ddi t ion a l do c um e nt a t i on , s u c h a s m a s s s t a nd a r d id e nti f i e r s , b e tr a c k e d , w h i ch would b e s i m i l a

r t o w h a t i s p r ov i d e d f

o r th e PM 2 .5 “ wo rki n g ” s t a n d a r d v e ri f i c a t i on lo g boo k.
R ec o mm e nd a t io n: T h e PM 10 s t a nd a r d v e ri f i c a ti o n logbook s hou l d i n c lud e i n f o rm a tion s i m i l a r t o th a t a v ai l abl e i n th e PM 2 .5 s t a nd a r d v e ri f i c a t i o n l o g book.
F in d i n g I L 5: S e v e r a l a d di t ion a l i m p r ov e m e nt s c ould b e m a d e t o th e PM 2 .5 w e i g h ing p r o c e s s. Di s c u s s io n: T h e f

ol l owin g ob s e r v at i on s w e r e n o t e d:47 T h e PM 2 .5 f

i l t e r i d e nt i f

i c a t i on n u m b e r s t h at a

r e e m bo ss e d on e a c h f

i l t e r a r e not r e c o r d e d

. T h e numb e r s o n t h e f i l t e r s c a n b e u s e d a s a m e c h an i s m t o p r e v e nt m i s i d e nt i f

i c a t i on o f f

i l t e r s
. S in c e th e M L D PM 2 .5 w e i g h r oom p r o ce du r e i s w e ll o r g an i ze d , th i s i s no t a s ig n i f i ca n t c on c e rn.
T h e s t a rt d at e an d t i m e f

o r t h e b e g i nnin g o f p r e
- w e ig h c on d i t ionin g o f PM 2 .5 f i l t e r s w a s not do c u m e n t e d

. B e c a u s e f i l t e r s a r e c ondi t ion e d w e l l i n e x c e s s o f 24 hou rs an d th e PM 2 .5 l abo r at o r y i s w e l l o r g a ni z e d , th i s i s no t a s igni f i c an t c on c e rn.
T h e l abo r at o r y s t a f

f w a s no t a wa

r e o f t h e n e w r e gul a to r y r e qu i r e m e n t f o r PM 2 .5 moni t o ri n g
. I n p a

rt i c u l a r , t h e n e w t e m p e r a tu r e r e q ui r e m e n t fr o m 40 C F R P a rt 50 , App e nd i x L , in c lud e d b e l ow:
8

. 3 .6 T h e po s t

- s amplin g c on d i t ioning and we igh i ng s ha l l b e c ompl e t e d w i thin 240 hou r s ( 10 d ay s ) a f t e r th e e nd o

f th e s ampl e p e r i od

, unl e s s th e f

i lt e r s ampl e i s maint

a in ed
a t t e m p e r a t u r e s b e lo w th e a v e r

ag e a mb i e n t t e mp e r

atu r e du r i ng s amplin g ( o r 4 ° C o r b e l o w f o r a v e r ag e s ampl i n g t e mp e r

atu r e s l e s s th a n 4 °C

) du r in g th e t i m e b e t

w e en re t r i e v a l f ro m th e s amp l e r and th e s ta r t o f th e c ondi ti oning , i n w h i c h c a s e th e p e r iod
s hall no t e

x c e e d 30 d

ay s.
R e f e r e n c e 2 in s e c t i on 13

. 0 o f thi s a pp e n d i x h a s a d d i t ion a l g u i d an ce on tr a n s po rt of c o o l e d f i l t e r s.
R ec o mm e nd a t io n: T h e M LD l ab o r at o r y s houl d t a k e th e s e th r e e ob s e r v ati on s i nto c on s id e r a t i o n f

o r p o t e nt i a l i m p r ov e m e n t s t o th e c u rr e n t PM 2 .5 m a s s an a l y s i s p r o c e s s.
F in d i n g I L 6: T h e PM 10 a n d PM 2 .5 do c u m e n t at i o n a n d a r c h iv e d f i l t e r s w e r e w e ll o r g an i ze d a n d e a s i l y tr a c k e d.
Di s c u s s io n: E P A p e rf

o r m s a d at a tr ac kin g e x e r c i s e a s p a rt o f i t s t e c hn i c a l s y s t e m audi ts to s i m u l at e wh a t m i g h t h app e n i f th e d e s i g n at i on d e c i s i on s a r e c h a l l e n g e d a nd d a ta do c u m e n t at i o n m u s t b e v e r i f i e d

. T h e M L D l a

bo r a to r y s t a f

f w a s no t abl e t o lo c a t e the in f o rm at i on qui c k l y.
F in d i n g I L 7: F i e l d o p e r at o r s do n o t a lw a y s d o c u m e nt s h i ppin g in f o rm at io n on t h e ir s a mp l e r e po rt

/ tr a c kin g s h e e t s
. S e e a l s o O p e r a t i o n s F indi n g #A Q S B 1.
Di s c u s s io n: Do c um e nt at i on o f s am pl e s hipp i n g , t r a n s po rt , an d r e linqu i s h m e nt d e m on s t r at e s s am pl e c u s tod y t h r o u g hou t th e s amp li n g p r o c e s s , c on f i rm s th a t s a mpl es w e r e h and l e d p r o p e r l y , a nd do c u m e n t s b y who m t h e y w e r e h and l e d

. T h i s i n f o rm at i on s uppo rt s s am pl e id e nt i f

i c a t i on.
R ec o mm e nd a t io n: E n s u r e t h at f i e ld op e r a to r s ar e a w ar e o f th e i m po rt a n ce of do c u m e nt i n g s h i ppi n g in f o rm at i on.48

F in d i n g I L 8: A lo c a l Di s tri c t s t at e d th at t h e r e w a s l ac k o f s u ff i c i e n t f ee d b a c k fr o m t he A R B on r e s u l t o f P M f

i l t e r an a l y s i s
. S e e a l s o Op e r at i on s F ind i n g # N S 8.
Di s c u s s io n: T h e c h a i n o f c u s t o d y s h e e t s an d P M f i lt e r s a r e s e n t fr o m l o c a l D i s t ri c t s to th e A R B , wh e r e a l l s ub s e qu e n t s am pl e h a ndlin g a nd d a t a r e p o rt i n g o c c u r s
. T h e A RB do e s n o t r e po rt b a c k t o D i s t ri c t s f o r m an y m onth s , w h i c h do e s n o t a l l o w s a mpl i n g run s to b e m a d e up o r t o a d d r e s s oth e r p r ob l e m s i n a t im e l y m a n n e r
. I n th e c a s e o f e x c e e d a n ce v a l u e s a n d PM 10 s am pl e r s running on a o n e
- i n
- s ix d a y s c h e dul e , D i s t ri c t s n e e d to know a s s oon a s po ss ibl e wh e n a n e x c e e d an c e o f th e 2 4 hou r NA A Q S h a s o c c u rr e d s o th a t th ey h a v e t h e opt i on o f in c r e a s in g th e PM 10 s a mpl i n g fr e qu e n c y t o a void h a v i n g a s ingle e x c ee d an c e r e p r e s e n t a vi ol a tion o f th e NA A Q S.
R ec o mm e nd a t io n: A R B s houl d r e po rt f i l t e r r e s ul t s t o th e Di s tri c t s a s s oon a s po s s i ble wh e n th e y in d i c a t e a p r o bl e m o r a n e x c e e d a n ce.



### Or ga n ic L ab o r a t o ry
E P A r e vi e w e d a n d e v a l u at e d f iv e p r o c e du r e s p e rf

o rm e d b y th e O r g a ni c L abo r a to ry S ec t i on: S O PM L D 022 , A l d e y d e s and M e th y l E th y l K e to n e ( M E K ) b y H i g h P e rf o rm a n ce L i qui d C h r om a t o g r ap h y ( H P L C) S O PM L D 039 , H e x a v a l e n t C h r o miu m b y I o n C h r om a tog r ap h y ( I C) S O PM L D 058 , A r om ati c an d H a lo g e n a t e d H y d r o c ar bon s b y G as C h r o m ato g r ap h y

/M a s s S p e c tr o m e t r y ( G C /M S) S O PM L D 066 , O x y g e n a t e d H y d r o c ar bon s an d N i tri l e s , a n d Ca ni s t e r C l e a ni n g & C e rt i f i c a t i on
I n g e n e r a l , th e O r g an i c L a b o r at o r y S ec tio n i s w e l l run
. T h e mo s t s i g ni f i c ant f ind i n g s a dd r e s s th e i s s u e s o f an a l y z in g audi t s am pl e s , e v a l u at i on o f a n e w G C / M S , a nd c ar bo n y l f i e ld bl ank s
. T h e r e m ai ni n g f ind in g s a r e r e c om m e n d e d p r a c ti c e s t h at m i g ht i m p r ov e th e d e f

e n s ibi l i t y o f d at a p r od u c e d b y th e l a bo r a to r y. Al d e y d e s a n d M e t h y l E t h y l K e t o n e ( ME K ) b y H i g h P e r f o r m a n c e L i q u id C h r o m a t og r a p h y ( H P L C)
F in d i n g O L 1: A s e c ond s o u r c e q u a li t y c ontr o l s t a nd a r d i s no t b e i n g an a l y ze d as r e q u i r e d b y th e m e thod

. An a l y s i s o f a s e c ond s t a n d a r d i s b e i n g p e r f

o rm e d , bu t t he s t and a r d i s not p r e p ar e d f

r o m a s ec onds t a n d a

r d s o u r c e bu t r at h e r i s p r e p a r e d a s a dilut i on o f th e s a m e s t a nd ar d s o l ut i o n t h at i s u s e d to p r e p a r e th e wo rkin g c a l i b r at i o n s t and a r d s. Di s c u s s io n: An a l y s i s o f a s e c ond s o u r c e qu a li t y c ontr o l s t an d a r d r e f e r e n c e d t o t h e ini t i al c a lib r a t i o n i s an e f

f e c t i v e qu a li t y a s s u r an c e c on t r o l c h e c k on th e i nt e g ri t y o f th e p ri m a ry s t and a r d s olut i o n an d i s r e qui r e d b y t h e m e t hod.49

R ec o mm e nd a t io n: T h e a n a l y s i s o f t h e c on t r ol s t a nd a r d s ho u ld b e p r e p ar e d fr o m a s e c onds t an d ar d s ou r c e.
F in d i n g O L 2: Audi t s ampl e s a r e n o t b e i n g an a l y z e d.
Di s c u s s io n: Audi t s a mp l e s th a t a r e p r e p ar e d f

r o m a d i ff

e r e n t s t a nd a

r ds o u r c e t h an in s tru m e n t c a l i b r at i on s t and a r d s s e r v e a s a n i m po rt a n t ind e p e nd e nt qu a l i t y a s s u r a n ce t e c hn i qu e t o a s s e s s t h e a cc u r a c y o f th e d a t a g e n e r a t i on p r o c e s s
. R e s ult s fr o m audit s a mp l e s c a n id e nti f

y ou t o f c ontr o l c ondi t ion s r e l a tin g t o th e i n s t rum e nt , th e s t a nd a r d s or oth e r p r ob l e m s th a t m a y not b e a pp ar e n t fr o m r ou t in e in s tr um e n t

- g e n e r at e d qu a l ity c on t r o l ( Q C ) r e s u l t s s u c h a s c a l i b r at i on s o r d at a i n s p e c tion

. D o c um e nt at io n of a c ce pt a b l e r e s ul t s f

o r r o u tin e a udi t s amp l e s wou l d i n c r e a s e t h e l e v e l o f c on f id e n c e in d at a.
R ec o mm e nd a t io n: A p r o g r a m in c ludin g th e r o u tin e s ubm i s s ion o f audi t s am pl e s s hould b e i m pl e m e n t e d

. I d ea l l y , t h e audi t s a mpl e s s hould b e s ubm i t t e d doub l e blin d t o the l abo r at o r y t o e l i min a t e p o s s i bl e bi a s
. R e s ul t s o f audi t s am pl e s s hould b e k e pt on c ontr ol c h a r t s
. E P A m a y b e abl e t o a s s i s t A R B in s e c u rin g r e s o u r c e s f o r an au d i t p r og r am.
F in d i n g O L 3: F i e ld bl a nk s a r e n o t b e i n g an a l y z e d

. S a mpl e r e s ult s a r e b e i n g c o rr e c t ed f o r b ac kg r oun d c ont a mi n a t i on b a s e d on an a v e r a g e b a c k g r oun d c on t am i n at ion o f 0

. 3 μg/ c art rid g e d e t e rmi n e d f r o m a f i e l d b l ank s t u d y p e r f

o rm e d b y M L D 1 5 y e ar s a g o
. It is th e un d e r s t and in g o f th e a udi t t e a m th at f i e ld bl an k s h a v e n o t b e e n d e pl o y e d f o r 1 5 y e a r s. Di s c u s s io n: R outin e s u b m i s s ion o f f i e ld bl ank s i s n e c e ss ar y t o e v a l u at e p o s s ib le c on t ribut i on o f c ont a min a t i o n fr o m s ou r c e s e x tr a n e ou s t o s am pl e s
. T h e i m po rt a n c e of c ond u c t i n g f

i e l d b l ank s t udi e s i s h e i g ht e n e d i n lig h t o f c h an g e s ob s e r v e d i n f i e ld s a mpl i n g t e c hnol og y s in c e th e b a c k g r ound s t u d y w a s p e r f o rm e d.
R ec o mm e nd a t io n: T h e p r a c t i c e o f c ond u c t i n g f i e l d b l an k an a l y s i s on a r o ut i n e b a s is s hould b e ini t i at e d.
F in d i n g O L 4: T h e l abo r at o r y i s not u s i n g an int e r n a l s t a nd a r d m e t hod o f a n a l y s i s as d e s c ri b e d b y t h e m e thod

. T h e l abo r a to r y i s c u r r e n t l y u s in g th e e x t e r n a l s t a nd a r d m e thod o f s t a nd a r d i za tion.
Di s c u s s io n: T h e u s e o f i nt e rn a l s t and a r d s c o m p e n s at e s f

o r an y c h a n g e s o cc u rri n g i n t he e l ec t ri c a l s y s t e m d u ri n g s am pl e an a l y s i s a nd d e t ec t i o n a nd , mo r e impo rt ant l y, c o m p e n s at e s f

o r c h a n g e s i n a uto s am pling v o l um e s , whi c h c a n v a r y
. I nt e rn a l s t and a

rd m e thod s a

r e mo r e ac c u r a t e th an e x t e r n a l s t an d a r d m e t hod s.
R ec o mm e nd a t io n: T h e l a bo r a to r y s ho u ld u s e t h e i nt e r n a l s t and a r d m e t ho d o r e v a lu a te th e a c c u r a c y o f it s d at a g e n e r at i on p r o c e s s th r o u g h audi t s a mpl e s with ri g o r ou s c on t r ol r an g e s a n d c on s i d e r c h an gi n g t o t h e in t e rn a l s t a n d a r d m e thod s b a s e d on th e r e s u l t s.
F in d i n g O L 5: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.50

Di s c u s s io n: R e g ul a

r r e v i e w o f i n s trum e n t lo g bo o k s b y a s u p e r v i s o r o r Q A d e p a rt m e nt h e l p s t o e n s u r e th a t p r o p e r an a l y s i s p r o t o c o l i s b e in g f ol l o w e d , e
. g
. c a l i b r at ion s , bl a nks an a l y s e s e t c
. Re p eat e d f

ai l u r e s o r a tt e mp t s to p a s s c a l i b r at i on s no t e d i n lo g book s c an be an ind i c a tio n th a t in s trum e n t m a int e n an c e o r o t h e r c o rr e c t i v e a c tion s n e e d to be p e rf o rm e d.
R ec o mm e nd a t io n: It i s r e c om m e nd e d th a t a s y s t e m o f p e r iodi c r e vi e w and do c u m e n t at i on o f r e v i e w o f i n s t rum e n t ru n l o g b o ok s b e imp l e m e nt e d a n d d o c um e nt ed with ini t i a l i n g t h e in s trum e n t ru n lo g book.
H e xaval e n t C h r o m i u m b y I o n C h r o m a t og r a p h y ( I C)
F in d i n g O L 6: Audi t s ampl e s a r e n o t b e i n g an a l y z e d

. T h e audi t t e a m w a s to l d t h at the A R B Q A D e p a

rt m e n t s u g g e s t e d th e d e p art m e n t ini t i at e it s o w n s y s t e m o f audi t s a mple an a l y s i s. Di s c u s s io n: Audi t s a mp l e s p r e p a r e d fr o m a s t a n d a

r d s ou r c e di ff

e r e n t f r o m the in s tru m e n t c a l i b r at i on p r ovid e i nd e p e nd e nt qu a li t y a s s u r an c e c h e c k s t o a s s e s s the a c c u r a c y o f t h e d at a g e n e r a tion p r o c e s s
. R e s ul t s f r o m audi t s a mp l e a n a l y s i s c a n h e lp id e nti f y o u t o f c on t r o l c o ndi t ion s r e l a t i n g t o t h e in s trum e nt , t h e s t and a r d s o r o t h er p r obl e m s t h at m a y no t b e app a r e n t fr o m r out i n e i n s tru m e nt

- g e n e r a t e d q u a l i t y c ontr ol r e s ul t s s u c h a s c a l i b r at i on s o r d at a in s p e c tion

. Do c um e nt at i on o f ac c e pt a bl e r e s u l t s f or r out i n e audi t s a mpl e s w o ul d in c r e a s e th e l e v e l o f c on f i d e n c e in d at a.

R ec o mm e nd a t io n: A p r o g r a m in c ludin g th e r o u tin e s ubm i s s ion o f audi t s am pl e s s hould b e i m pl e m e n t e d

. I d ea l l y , t h e audi t s a mpl e s s hould b e s ubm i t t e d doub l e blin d ( a s amp le s ubm i tt e d in s u c h a w a y t h at n e ith e r i t s c ompo s i t ion no r i t s id e nt i f i c a tio n a s a c h eck s a mp l e i s know n t o th e a n a l y s t ) t o th e l ab o r a to r y t o e l i min a t e po ss i bl e b i a s
. Res u l t s of au d it s a mp l e s s hould b e k e p t on c on t r o l c h a rt s.

F in d i n g O L 7: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.
Di s c u s s io n: R e g ul a

r r e v i e w o f i n s trum e n t lo g bo o k s b y a s u p e r v i s o r o r Q A d e p a rt m e nt h e l p s t o e n s u r e th a t p r o p e r an a l y s i s p r o t o c o l i s b e in g f ol l o w e d , e
. g
. c a l i b r at ion s , bl a nks an a l y s e s e t c
. Re p eat e d f

ai l u r e s o r a tt e mp t s to p a s s c a l i b r at i on s no t e d i n lo g book s c an be an ind i c a tio n th a t in s trum e n t m a int e n an c e o r o t h e r c o rr e c t i v e a c tion s n e e d to be p e rf o rm e d.
R ec o mm e nd a t io n: A s y s t e m o f p e ri odi c r e vi e w a nd do c u m e nt a t i on o f r e v i e w of in s tru m e n t ru n lo g book s s hould b e i m pl e m e n t e d.
F in d i n g O L 8: I t i s not e d t h at th e l a bo r a to r y i s lo okin g in t o t h e pu r c h a s e o f an a ddi t io n al I C in s trum e nt.51

Di s c u s s io n: T h e l abo r at o r y c u r r e n tl y h a s on e I C in s tru m e n t d e di c a t e d t o h e x a v a l e nt c h r om i u m a n a l y s i s w h i c h i t t ak e s g r e a t c a r e t o k ee p i n wo rki n g o r d e r g i v e n th e r a p id s a mp l e d e g r a d at i on o f h e x a v a l e n t c h r om i um s a mpl e s on c e t h e y h a v e b e e n e x tr a c t e d

. T he pu r c h a s e o f a s e c on d s y s t e m t o s e r v e a s a b a c k u p s y s t e m i n c a s e o f in s tru m e n t f a ilu re wi l l h e lp p r e v e n t th e pot e nt i a l lo s s o f s a mpl e s th r ou g h d e g r a d a t i on.
R ec o mm e nd a t io n: T h e po ss ibl e p u r c h a s e o f b a c k up t e s t i n g e quip m e n t i s e n c ou r a g e d.
F in d i n g O L 9: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.
Di s c u s s io n: R e g ul a

r r e v i e w o f i n s trum e n t lo g bo o k s b y a s u p e r v i s o r o r Q A d e p a rt m e nt h e l p s t o e n s u r e th a t p r o p e r an a l y s i s p r o t o c o l i s b e in g f ol l o w e d , e
. g
. c a l i b r at ion s , bl a nks an a l y s e s , e t c
. R e p e a t e d f a ilu r e s o r at t e m pt s t o p a s s ca l i b r a tion s n o t e d i n logbook s ca n be an ind i c a tio n th a t in s trum e n t m a int e n an c e o r o t h e r c o rr e c t i v e a c tion s n e e d to be p e rf o rm e d.
R ec o mm e nd a t io n: It i s r e c om m e nd e d th a t a s y s t e m o f p e r iodi c r e vi e w and do c u m e n t at i on o f r e v i e w o f i n s t rum e n t ru n l o g b o ok s b e imp l e m e nt e d.
A r o m a t i c a n d Halo g e n a t e d Hy d r o c a r b o n s b y G a s C h r o m a t og r a ph y/ M a ss S p e c t r o m e t r y ( G C / M S)
F in d i n g O L 10: Dupl i c a t e s am pl e s a r e b e in g a n a l y z e d and p r e s e nt e d a s t a b u l at e d r e s ults in qu a rt e r l y Q A r e po rt s , bu t c on t r o l c h a rt in g i s on l y o c c a s i on a l l y p e r f o rm e d.
Di s c u s s io n: K e e pi n g a c o n tr o l c h a r t o f du p l i c a t e s am pl e r e s ul t s h e l p s t o e v a lu a t e tr e nds a s d i s c u s s e d a n d a g r e e d t o with m a n a g e m e nt.
R ec o mm e nd a t io n: T h e l a bo r a to r y m a y a l s o w an t t o c on s i d e r plot t in g dup li cat e r e s ul t s.
F in d i n g O L 11: T h e G C /M S i s not v e n t e d to out s id e th e f a c i li t y. Di s c u s s io n: I t i s no rm a l g oo d l a b o r a to r y p r a c t i c e to v e n t G C / M S i n s t rum e nt a tio n to out s id e t h e f

a c i l i t y.
R ec o mm e nd a t io n: It i s r e c om m e nd e d th a t i n s t rum e nt a tion b e v e n t e d t o o ut s id e the f a c i l i t y o r t o t r a

p s t o r e d u c e t h e po s s ibi l i t y o f in h a l a tion o f c on t am i n at e d ai r by e m pl o y e e s.
F in d i n g O L 12: S e c ond ar y r e v i e w o f in s trum e n t lo g book s i s no t b e in g d o c u m e nt e d.
Di s c u s s io n: R e g ul a

r r e v i e w o f i n s trum e n t lo g bo o k s b y a s u p e r v i s o r o r Q A d e p a rt m e nt h e l p s t o e n s u r e th a t p r o p e r an a l y s i s p r o t o c o l i s b e in g f ol l o w e d , e
. g
. c a l i b r at ion s , bl a nks an a l y s e s , e t c
. R e p e a t e d f a ilu r e s o r at t e m pt s t o p a s s ca l i b r a tion s n o t e d i n logbook s ca n be52

an ind i c a tio n th a t in s trum e n t m a int e n an c e o r o t h e r c o rr e c t i v e a c tion s n e e d to be p e rf o rm e d.
R ec o mm e nd a t io n: It i s r e c om m e nd e d th a t a s y s t e m o f p e r iodi c r e vi e w and do c u m e n t at i on o f r e v i e w o f i n s t rum e n t ru n l o g b o ok s b e imp l e m e nt e d. Oxyg e n a t e d H y d r o c a r b o n s a n d N i t r i l es
F in d i n g O L 13: Audi t s ampl e s a r e n o t c u rr e n t l y b e i n g a n a l y z e d.
Di s c u s s io n: Audi t s a mp l e s p r e p a r e d fr o m a s t a n d a

r d s ou r c e di ff

e r e n t f r o m the in s tru m e n t c a l i b r at i on p r ovid e i nd e p e nd e nt qu a li t y a s s u r an c e c h e c k s t o a s s e s s the a c c u r a c y o f t h e d at a g e n e r a tion p r o c e s s
. R e s ul t s f r o m audi t s a mp l e a n a l y s i s c a n h e lp id e nti f y o u t o f c on t r o l c o ndi t ion s r e l a t i n g t o t h e in s trum e nt , t h e s t and a r d s o r o t h er p r obl e m s t h at m a y no t b e app a r e n t fr o m r out i n e i n s tru m e nt

- g e n e r a t e d q u a l i t y c ontr ol ( Q C ) r e s u l t s s u c h a s ca li b r a tion s o r d a t a in s p ec t i on
. Do c um e nt a tion o f ac c e p t a bl e r e s u l ts f o r r outi n e a udi t s am pl e s w ou l d i n c r e a s e th e l e v e l o f c on f i d e n c e i n d a t a.
R ec o mm e nd a t io n: A p r o g r a m in c ludin g th e r o u tin e s ubm i s s ion o f audi t s am pl e s s hould b e i m pl e m e n t e d

. I d ea l l y , t h e audi t s a mpl e s s hould b e s ubm i t t e d doub l e blin d t o the l abo r at o r y t o e l i min a t e p o s s i bl e bi a s
. R e s ul t s o f audi t s am pl e s s hould b e k e pt on c ontr ol c h a r t s.
F in d i n g O L 14: T h e G C /M S S at u rn D i s a n e w in s tru m e n t th a t w a s b r o u g ht o n
- l i n e in Ap ril , 2007

. It i s b e i n g u s e d t o g e n e r a t e d a t a , bu t a n M D L s t u d y h a s not b e e n p e r f o rm ed and do c u m e n t e d.
Di s c u s s io n: Do c um e nt at i on o f i n s t rum e nt

- s p e c i f i c M D L b y s tud i e s i s f

und am e n t a l t o the in t e r p r e t at i on o f d a t a wi t h non d e t e c t s i s b e i n g r e p o rt e d.
R ec o mm e nd a t io n: D at a s hould not b e r e po rt e d o n in s tru m e n t S atu r n D unt i l a n M DL s t u d y h a s b e e n p e rf

o rm e d and do c u m e n t e d.
F in d i n g O L 15: T h e M L D 066 m e tho d i s b a s e d o n t h e T O

- 1 5 m e t hod , wh i c h d e s c r i b es an in t e rn a l s t a nd ar d m e th od o f c a l i b r at i on
. T h e l abo r a to r y i s u s in g an e xt e rn a l m e t hod of s t and a r di z at i on ; int e r n a l s t a nd a

r d s ar e not b e i n g u s e d.
Di s c u s s io n: U s e o f i nt e r n a l s t and a r d s c o mp e n s a t e s f

o r c h an g e s i n t h e t e s t i n g e qu i pm e nt e l ec t ri c a l s y s t e m d u ri n g s am pl e an a l y s i s a nd d e t ec t i o n a nd , p e rh ap s m o r e i mpo r t an tl y, c o m p e n s at e s f

o r c h a n g e s i n a uto s am pling v o l um e s w h i c h c a n h a v e s i gni f i c an t i m p a c t s on qu ant it at i o n i n f

o rm a tion

. In t e rn a l s t a nd ar d m e th o d s a r e g e n e r a l l y m o r e a c c u r at e th an e xt e rn a l s t a nd a

r d m e tho d s.
R ec o mm e nd a t io n: It i s r e c om m e nd e d th a t t h e l a bo r at o r y a s s e s s th e acc u r a c y o f d ata g e n e r a t e d b y th e u s e o f a udi t s am pl e s with d e f i n e d qu a l it y c on t r o l l i mi t s.53 It i s th e und e r s t a ndi n g o f th e audi t t e a m fr o m di s c u ss io n w i t h m an a g e m e n t d u ri n g t he on s it e v i s i t th at d e v e l opm e n t o f an in t e rn a l s t an d a r d m e tho d w a s i n i t i a l l y a tt e mp t ed du rin g m e thod d e v e lop m e n t , bu t a b a ndon e d d u e to di ff

i c ul t y o f i d e nt i f

yi n g s ui t a b le in t e rn a l s t a nd a

r d s
. T h e E P A Re g io n m a y b e abl e to o ff e r a s s i s t a n c e i n th e p r o c u r e m e nt o f audi t s am pl e s an d id e n ti f i c a tion o f s ui t a

b l e int e r n a l s t a nd a

r d s.
F in d i n g O L 16: S e c ond ar y r e v i e w o f in s trum e n t lo g book s i s no t b e in g d o c u m e nt e d.
Di s c u s s io n: R e g ul a

r r e v i e w o f i n s trum e n t lo g bo o k s b y a s u p e r v i s o r o r Q A d e p a rt m e nt h e l p s t o e n s u r e th a t p r o p e r an a l y s i s p r o t o c o l i s b e in g f ol l o w e d , e
. g
. c a l i b r at ion s , bl a nk an a l y s e s , e t c
. R e p e a t e d f a ilu r e s o r at t e m pt s t o p a s s ca l i b r a tion s n o t e d i n logbook s m a y be an ind i c a tio n th a t in s trum e n t m a int e n an c e o r o t h e r c o rr e c t i v e a c tion s n e e d to be p e rf o rm e d.
R ec o mm e nd a t io n: A s y s t e m o f p e ri odi c r e vi e w a nd do c u m e nt a t i on o f r e v i e w of in s tru m e n t ru n lo g book s s hould b e i m pl e m e n t e d.
F in d i n g O L 17: M a s s c a l i b r at i o n i s p e r f o rm e d u s i n g p e rf

l uo r otri bu t y l am in e (F C

- 4 3 ), bu t c on f i rm a tio n th a t tun i n g abun d an c e c ri t e ri a h a v e b e e n m e t i s n o t b e i n g v e ri f i ed th r oug h t h e a n a l y s i s o f 1

- b r omo
- 4 f l uo r ob e n z e n e ( B F B )

. It i s t h e un d e r s t and in g o f t he audi t t e a m th a t t e n t at i v e l y i d e nt i f i e d c ompound s a r e no t r out i n e l y b e i n g r e p o rt e d with th is m e thod.
Di s c u s s io n: B F B in s tru m e n t t unin g c h e c k s s e r v e t o e n s u r e c o rr ec t m a s s p e a k a s s i g n m e nt ( i

. e
. , t o rul e o u t po s s ibl e m a s s s h i f t s ) a n d i o n abu n d an c e r at i o s
. V e ri f y i n g t h a t tunin g and p e rf o rm an c e c ri t e ri a h a v e b e e n m e t p ri o r to s a mp l e an a l y s i s with B F B e n s u r e s t h at d a ta p r odu c e d b y t h e in s trum e n t m a y b e c o r r e c t l y in t e rp r e t e d an d a l l ow s non t ar g e t l i st c o m pound s t o b e t e nt a tiv e l y id e nti f i e d th r o u g h l i b r a

r y s e a r c h r o u tin e s
. I n o u r e x p e ri e n c e, th e B F B tun e a l s o s e r v e s t o moni t o r s e n s i t iv it y a s f a ilu r e o f t h e tuni n g c h e c k i s o f t e n the f i r s t ind i cat i on o f i n s t rum e nt s e n s i t iv it y lo ss.
R ec o mm e nd a t io n: T h e F C

- 4 3 m e thod o f t uni n g s hould b e ac c e p t a bl e a s l on g as t e nt at i v e l y id e n ti f

i e d c o mpound s ( T I Cs ) a

r e no t r e po rt e d

. I t i s r e c om m e nd e d th e S O P be r e v i s e d t o r e f

l e c t th a t a B F B tu n e wi l l b e p e rf o rm e d f o r s p e c i a l e v e n t s w h e r e T I C s a re r e po rt e d.
F in d i n g O L 18: T h e G C /M S i s not v e n t e d to out s id e th e f a c i li t y. Di s c u s s io n: I t i s g oo d l ab o r at o r y p r a c t i c e t o v e n t G C / M S in s tru m e nt a tio n to o u t s i d e the f a c i l i t y t o r e du c e h ea l t h r i s k s t o e m pl o y e e s.
R ec o mm e nd a t io n: I n s tr um e nt a tion s ho u ld b e v e n t e d to out s id e th e f a c i l i t y o r t o tr ap s to r e d u c e th e po s s ibi l i t y o f i nh a l at i on o f c ont a min a t e d ai r. Ca n i s t e r Cl e a n i n g & C e r t i f i c a t i on54

F in d i n g O L 19: L a

bo r a to r ys t a ff

s t at e d th a t c a n i s t e r s a

r e r a ndo m l y s e l ec t e d f

or c e rt i f i ca t i o n t e s tin g
. T h e s t a ff do e s n o t c on s id e r w hi c h c a ni s t e r s h a d th e h i gh e st c on c e n t r at i on s o f c on t ami n an t s in d e c idin g whi c h c a ni s t e r i n a b a t c h t o t e s t f or c l e a nlin e s s c e rt i f

i c a t i on. Di s c u s s io n: R ando ml y s e l e c t in g c a ni s t e r s f o r c e rt i f i c a t i o n mi g h t r e s ult ov e r t i m e in of th e s e l ec t i on o f a l l ca ni s t e r s , i n c lu d in g tho s e mo s t h ea v il y c on t am i n at e d , p r i o r to c l ean i n g
. H o w e v e r , s o m e s o u r c e s , s u c h a s th e " T e c hni c a l A s s i s t a n c e Do c u m e n t f or S ampl i n g an d An a l y s i s o f O z o n e P r e c u r s o r s , " r ec om m e n d tr ac ki n g th e hi s to ri c al c on t am i n at i o n l e v e l o f ca n i s t e r s a nd p u l l in g ca ni s t e r s th a t c ont a in e d th e m o s t h i g h ly c on t am i n at e d s a mp l e s f

o r c e rti f i c at i on
. A R B s t a f

f p e r s o n S t e v e M a d d e n s t at e d t h at he h a d r e c om m e n d e d o r w a s p l ann i n g t o r e c om m e n d tr a c kin g c a n i s t e r s t o e n s u r e t h at a ll c a ni s t e r s at s o m e poin t ar e c e r t i f i e d th r o u g h th e r a ndom pul l p r o c e s s , whi c h wou l d s e r ve a s i m i l a r obj e c t i v e.
R ec o mm e nd a t io n: A R B s houl d c on s i d e r oth e r opt i on s t o e n s u r e t h at a l l can i s t e r s go th r oug h t h e c e rt i f

i c at i on p r o ce s s , s u c h a s tr a c kin g t h e c a ni s t e r s , o r , a l t e r n at i v e l y , s e l e ct th e c a ni s t e r s with th e h i gh e s t p rio r s a mp l e c o n c e n tr a t i on s f o r c e rt i f i c a t i on.
F in d i n g O L 20: C ani s t e r s a r e n o t v e nt e d in hood s a n d a r e v e nt e d t o a mb i e n t ai r. Di s c u s s io n: I t i s g oo d l ab o r at o r y p r a c t i c e t o r e l e a s e s am pl e ai r i n c l udi n g a mb i e n t a i r i n a hoo d t o a voi d th e pot e nt i a l f o r c o n tribut in g t o ai r c o n t am i n a tion.
R ec o mm e nd a t io n: Unu s e d s am pl e i n c a ni s t e r s s ho u ld b e r e l ea s e d i n a h o od.
F in d i n g O L 21: T h e l abo r at o r y h a s no t e s t abl i s h e d a r e t e ntio n t i m e f o r cani s t e r s a f

t er th e y h a v e b ee n c e rt i f

i e d

. T h e l abo r at o r y r e l i e s on t h e c a ni s t e r p r e s s u r e g a u g e r e a di n g as an ind i c a tio n th e c a ni s t e r s h a v e no t l o s t v a c uu m. Di s c u s s io n: P r e s s u r e g a u g e moni t o ri n g a f t e r c an i s t e r s h i pm e n t t o t h e f i e l d f ollow i ng c l ean i n g an d c e r

t i f i c at i o n i s a g ood q u a l it y a s s u r an c e m e a s u r e f o r e n s u rin g s i g n i f

i c a nt v a c uu m lo s s h a s n o t o cc u rr e d

. E s t abli s hin g a r e t e nt i o n t i m e poli c y f o r c ani s t e r s s t o r e d at th e l a bo r a to r y a f

t e r t h e y h a v e b ee n c l e an e d an d c e rt i f i e d woul d a d d a ddi t i on a l a s s u r an ce th a t can i s t e r s h a v e not b ec om e c on t am i n at e d o v e r t i m e th r ough s m a ll e r l e a k s.
R ec o mm e nd a t io n: T h e l a bo r a to r y s ho u l d e s t a

b li s h a r e t e ntio n t i m e pol i c y f o r c l e an c a ni s t e r s a f

t e r whi c h th e y wi l l b e r e
- c l e a n e d an d c e rt i f i e d a s a n a d d e d qu a l i t y a s s u r a n ce m e a s u r e
. A r e t e ntio n t i m e o f 30 d a y s would b e r ea s o n abl e
. Al t e rn at i v e l y , i t is r e c om m e nd e d th at l a n g u a g e b e i n c l ud e d i n t h e Q u a l it y A s s u r an c e P l an th a t a l l c a ni s t e rs a r e u s e d an d r e c y c l e d wi t hin 30 d a y s , i f th i s r e f l ec t s wo rklo a d d e m an d.55



## D A T A M A N AG E M E NT
I n t r o d u c t i on
A p rim ar y go a l o f th e U

. S

. E n v i r onm e nt a l Pr o t e c tio n A g e n c y ’ s Q u a l it y S y s t e m is

“ t o e n s u r e t h at e nvi r on m e nt a l p r o g r a m s an d d e c i s ion s a r e s upp o rt e d b y d at a o f th e t ype and qu a l it y n e e d e d f

o r th e i r i nt e nd e d u s e
... ” (E P A Qu a li t y M anu a l f o r E n vi r o n m e n t al P r o g r am s , E P A O r d e r 5 3 60A 1 ( E P A , 200 0 a ))

. A c hi e v e m e n t o f th i s g o a l i nv o lv es pl a nnin g , i m p l e m e nt a ti o n an d a ss e s s m e n t o f th e d at a c ol l e c tion p r o c e s s
. D ata v e ri f i c a t i o n a n d d a t a v a li d a tio n a r e ke y s t e p s i n th e a s s e s s m e n t o f e nv i r o n m e nt al m e a s u r e m e n t s
. E P A d e f

in e s d at a v e ri f

i c a tio n a s th e p r o c e s s o f e v a l u a ti n g c o mpl e t e n e s s, c o rr e c t n e s s an d c o m pli a n c e o f a d at a s e t a g ai n s t t h e m e t ho d r e qui r e m e nt s
. D a ta v a l i d a tio n e xt e nd s t h e v e ri f i c a tion p r o c e s s to d e t e r m i n e th e an a l y t i c a l qu a l it y o f a d ata s e t

. A s a p a

rt o f thi s T S A , E P A e v a lu a t e d th e A R B ’ s d at a h a ndli n g , v e ri f i c a tion, v a l i d a tion , s to r a g e an d u pl o a d t o AQ S o f am bi e n t m oni t o rin g m e a s u r e m e n t s g e n e r a t ed fr o m with i n t h e i r q u a li t y a s s u r a n c e s y s t e m. Ca li f o rni a h a s f

iv e o r g ani za tion a l uni t s i n two d i ff e r e n t Divi s ion s o f t h e A R B a nd 26 s e p a r at e A i r P ol l ut i o n C on t r o l Di s t ri c t s t h r oug h wh i c h amb i e n t m onito r in g d at a e nt e rs E P A ’ s AQ S d at a

b a s e
. R e s pon s ibi lit y f

o r m an a gi n g th e s t at e ’ s C AA

- r e qu i r e d am bi e nt moni t o ri n g d a t a i s d ivid e d b e tw e e n t h e f oll o w i n g g r oup s: 1) A R B

- O p e r a t e d F i e ld M o ni t o rin g S t a tion s D a t a
- A i r Qu a li t y S u r v e i l l an ce B r a n c h , K e n S tr oud , M a n a g e r ( M onito rin g & L a b o r a to r y Divi s ion) 2) L a

b o r a to r y A n a l yti c a l D at a
- No rth e rn L ab o r ato r y B r an c h , M i k e P oo r e, M an a g e r ( M oni t o rin g & L ab o r at o r y D i vi s ion) 3) Qu a l it y A s s u r a n c e P e rf o r m an c e Audi t P r o g r a m D at a

– Qu a l i t y A s s u r an ce S ec t i on , M e rri n W ri g h t , M a n a g e r ( M oni t o rin g & L ab o r at o r y Div i s i on) 4) S p e c i a l P u r

po s e M o n it o rin g Pr o

j e c t s
- Op e r a t i on s P l ann i n g a n d A ss e s s m e nt S ec t i on , J e f

f W ri g ht , M an a g e r ( M onito rin g & L a b o r a to r y Divi s ion) 5) L o ca l D i s tr i c t

- O p e r a t e d M oni t o ri n g S t a tio n D at a
- Ai r Qu a l i t y D a t a S ec tion, R o n R oth a c k e r , M a n a g e r ( P l anni n g & T e c hn i c a l S uppo rt Di v i s ion) 6) L o ca l D i s tr i c t

- O p e r a t e d a n d L o ca l D i s t ri c t

- A Q S

- u pl o a d e d D at a
- v a r iou s l o c al Ai r P ol l ut i o n C ontr o l Di s tri c ts
T h e A R B h a s d e f

i n e d p r o ce d u r e s i n p l a c e f o r h and lin g in t e rn a l d at a fr o m t h e t i me o f ac qu i s i t io n t o th e t im e wh e n i t i s s ubm i tt e d t o th e U

. S

. E P A

. T h e p r o c e du r e s ar e w e ll know n t o t h e p rin c ip a l d a t a p r ov i d e r s a n d r e vi e w e r s with i n A R B.56



### D a t a M anag e m e n t f

o r : A RB
- O

p er a te d F i e l d M o n it o r i ng S t a tio ns
T h e am bi e n t m oni t o rin g s t at i on s op e r a t e d b y A R B s t a f f d i r e c t l y ar e und e r t he m a n a g e m e n t o f K e n S t r o ud , C h i e f, Ai r Q u a l it y S u r v e i l l an c e B r an c h

. I n th e b r a n c h , t h e re ar e t h r e e r e g ion a l S up e r v i s o r s : D e bo r ah P op e j o y ( No rth e r n ) , C u rt S c h r e ib e r ( S outh e r n ), an d G a r y Z i m m e r m an ( C e ntr a l )

. T h e Ai r Q u a l i t y S p e c i a l i s t s int e r vi e w e d o n J un e 13 , 200 7 f o r t hi s T S A on t hi s s e c tio n w e r e:

No rm a M ont ez J o s e p h C ruz G r e g F r y e ( vi a c o n f

e r e n c e ca l l , 9 / 06/07)
Ai r qu a l it y d a t a m e a s u r e d b y th e c ont i nuou s a n a l y z e r s at th e f i e lds t at i ons op e r a t e d an d m ain t ai n e d b y A R B a r e s to r e d in d a t a logg e r s ands t at i o n c o m p u t e r s
. E a ch s t at i o n i s pol l e d hou r l y b y mod e m an d th e d a t a a r e t r an s m i tt e d d i r e c t l y t o th e A R B ’s c e ntr a l c omp u t e r s y s t e m i n S a c r am e nto

. T h e c om put e r s y s t e m c on s i s t s o f a s e r v er lo c a t e d wi t hi n an A RB

- o wn e d f ac i l i t y an d a s e c o n d b ac kup s e r v e r l o c at e d i n a s e p a r at e, l e a s e d f ac i lit y
. T h e d a t a a

r e hou s e d i n th e Ai r Q u a l it y D a t a A c qu i s i t io n S y s t em ( A Q DA S)

. T h e AQ D A S ( no w AQ D A S

- 2 ) i s A R B ’ s p ri m ar y d a t a r e po s i t o r y f o r am bi e nt m e a s u r e m e n t s an d th e p r i m a r y d at a v a l i d at i o n to o l f

o r d at a obt ai n e d at A R B

- op e r a t ed s t at i on s
. AQ D A S w a s d e v e lop e d i n
- hou s e b y A R B s t a f f

. D a t a i s r e t ai n e d i n AQ D A S f or 180 d a y s b y whi c h t i m e i t h a s b e e n uplo a d e d t o A Q S

. On c e s ubm i t t e d t o AQ S , th e d a ta i s t h e n down l o a d e d t o th e A R B d at a b a s e Ai r D at a M an a g e m e n t S y s t e m ( A D A M ). AD A M i s A R B ’ s o f

f i c i a l s t a t e d a t a

b a s e f o r a mbi e n t ai r qu a li t y d a t a
. C h a rt r e c o r d e r s and d at a logg e r s lo ca t e d a t eac h s t a tion p r ov i d e a s up pl e m e nt a l r e c o r d f o r th e d a t a v a l i d a tion p r o c e s s.
T h e f i r s t r e v i e w o f th e d a t a i s p e rf o rm e d b y th e A R B s t at i on op e r at o r s
. T h e A RB Q AM anu a l Vo l um e I I c ont a in s d a t a a c qui s i t ion p r o c e du r e s , in c lud i n g i n s t r u c t i on s f or c ond u c t i n g th e f

i r s t l e v e l o f d a t a v a lid a t i on
. F o r d a t a in n e e d o f c o rr e c t i on , th e s t a tion op e r a to r m ak e s a n o t at io n on th e d a t a l o gg e r o r c h a r t r ec o r d e r at th e s t a tio n
. T he AQ D A S h a s d at a v e ri f

i c at i o n and v a l i d a tio n c ap abi l i t y t o a i d f l a g g i n g o f s u s p e c t d a t a. F l a g s th at ar e g e n e r a t e d b ys t at i on op e r a to r s o r i n f o rm at i on d e s c rib in g t h e d at a b e i ng p r o c e s s e d a

r e in c lu d e d i n t h e d at a

b a s e
. D a t a c o rr e c t i on s a

r e r e vi e w e d an d v a l i d at e d by th e S e c tio n S p e c i a l i s t w h o a p p r ov e s a ll d at a c o rr e c t i on s an d r e c om m e nd s i mp l e m e nt a t i on o f c o r r e c t i on s
. T h e d a t a s tr e am th e n p r o c e e d s t o t h e n e x t l e v e l o f r e vi e w b y th e s e c t i on s up e r vi s o r.
A t th i s poin t i n th e p r o ce s s , a f in a l d at a v a lid a t i o n s um m a r y i s p r o du ce d

. T he mon t h l y d at a r e po rt i s s e n t t o t h e B r an c h C h i e f f o r app r ov a l

. O n c e a

pp r o v e d , th e d a t a a

re s t o r e d i n th e S t a t e a

r c hi v e s y s t e m a nd s ubm i t t e d t o th e U

. S

. E P A ’ s AQ S d at a b a s e.
T h e Ai r Qu a li t y S u r v e i l l an c e B r an c h ( A Q S B ) S e c t i o n S p ec i a l i s t s , r e s pon s i bl e f or uplo a d o f th e A RB

- c ol l e c t e d am bi e n t d a t a to E P A ’ s AQ S d at a b a s e , h a v e a l l th e r e l e v a nt and up
- t o
- d at e AQ S m a n u a l s.57 Li t t l e o r no d at a w ou l d b e l o s t i n t h e e v e n t o f s i g n i f i c a n t c o m put e r p r ob l e m s d ue t o th e r e dund an t d a t a b ac ku p s y s t e m s m ai n t ai n e d at th e a i r moni t o ring s t ati on s a nd on the tw o c omp u t e r s y s t e ms e r v e r s.
A R B do e s ut i l i z e a f

l a g g i n g s y s t e m t o id e nt i f

y d a t a out s id e o f e xp ec t e d l e v e l s a nd ano m a l ou s f

low

- r a t e c h a n g e s
. T h i s f

l a g g in g s y s t e m i s n o t f

o rm a ll y do c u m e n t e d i n a c on t r ol

- c opi e d S O P

. T h e s e c on d l e v e l r e v i e w p r o c e s s r e l i e s on t h e A Q D A p r o t o c o l to p r ovi d e c o r

r e c t i v e a c t i o n s i n th e s y s t e m. S e c ond

- l e v e l r e vi e w f

o r a l l s t a tion s i s c arri e d o u t b y S e c tio n S p ec i a l i s t s , N o rma M ont e z a n d J o s e p h C ru z
. F oll o w i n g t h e s e c on d l e v e l r e v i e w an d an y c o rr e c t i on s to d at a, th e s e c tion s u p e r v i s o r r e v i e w s d at a fr o m th e i r s t at i on s on a m onth l y b a s i s a n d K e n S t r oud s i g n s o ff on th e d at a an d a pp r ov e s d at a p ac k a g e f

o r uplo a d t o A Q S b y No r m a M ont ez.
A R B s ubm it s a l l r e qui r e d d a t a t o th e U

. S

. E P A' s A Q S d a t ab a s e , i n c lud i ng c on c e n t r at i on s f

o r a l l c r i t e r i a p o l l ut a nt s , and s u pp o rting p r e c i s io n an d a c c u r a cy in f o rm at i on.



### D a t a M anag e m e n t : L

a b o r a t o r y A na l y t i c a l M e t h o ds

Amo n g i t s m a n y r e s pon s i bi l it i e s wi t hi n th e A R B o r g an i z at i on , t h e N o rt h e rn L ab o r at o r y B r an c h i s r e s pon s i bl e f o r m a s s d e t e r m in a t i on s f

o r PM 2 .5 a n d PM 10 , c h e m i c al s p ec i at i o n a n a l y s i s , a i r t ox i c s an a l y s i s a n d V O C a n d c ar b o n y l an a l y s i s acc o r d i n g t o t he P A M S p r og r am
- r e qu i r e d s a mpl i n g m e t hod s
. T h e No rt h e rn L a bo r at o r y B r a n c h i s l o cat ed i n S a c r am e nt o an d i s m a n a g e d b y M ik e P oo r e. S t a f f a n d m an a g e r s f

r o m th e l a

bo r a to r y in t e r v i e w e d on J un e 13 , 2007 f o r th e d ata m a n a g e m e n t s ec tion o f th i s r e po rt i n c lu d e d:

M ik e P oo re K ath y Gi ll D an T a c k e tt S am a nth a S c o la W

. How a r d B ak es S ean S

. R oy Al l l a b an a l y s e s ar e s t o r e d i n t h e A R B ’ s L ab o r at o r y I n f o rm a tion M an a g e m e nt S y s t e m (L I M S )

. T h e o ri g in a l L I M S w a s a p r od u c t pu r c h a s e d f r o m P e rki n
- E l m e r , bu t the s y s t e m h a s h a d m an y m odi f i c a t i on s t o c u s t omi z e i t f

o r u s e b y A R B o v e r th e y e a r s.
T h e L I M S d a t a

b a s e i s hou s e d i n th e M oni t o rin g a n d L ab o r at o r y Div i s i o n a n d is b a c k e d up on ce p e r w e e k t o t ap e
. It i s a cce s s e d b y a l l c h e m i s t s an d m a n a g e r s
. T he s y s t e m m ak e s u s e o f l i mi t e d ac c e s s and p a ss w o r d

- p r ot e c t i o n f o r s e c u ri t y
. T h e r a w d ata i n th e s y s t e m i s s t o r e d f

o r f iv e y e a r s
. D at a f r o m t h e L I M S i s uplo a d e d t o th e AQS d at a b a s e b y S a m a nth a S c o l a a n d S e a n R o y on a w ee k l y b a s i s.58 D at a f lo w i n t h e l ab o r ato r y b e g in s wi t h t h e c h e m i s t runnin g th e a n a l y t i c a l m e thod and g e n e r at i n g m e a s u r e m e nt d at a ( g r a vi m e t ri c o r c h e m i c a l an a l y s i s )

. D a t a g o e s f r o m the an a l yti c a l in s trum e n t t o th e L I M S

. L I M S a s s i g n s Q C f l a g s a s d e f

i n e d b y A R B S O P s. All d at a a r e s u bj e c t e d t o p e e r r e vi e w f o r l e v e l tw o d a t a v a lid a tion , w h i c h i s f ol l ow e d by r e v i e wi n g an d ‘ l o c ki n g ’ o f th e d at a b y l a b m a n a g e r s
. D a t a p e e r -r e vi e w g r oup s a re o r g an i ze d a

r oun d t h e an a l y t i ca l m e t hod s : PM 10 , PM 2 .5 , PM 2 .5 s p e c i at i on , T SP

- l e a d

. T he Q C c r it e r i a a s w ri t t e n i n t h e l abo r at o r y a n d a n a l y t i c a l m e thod s ar e u s e d f o r d a ta v a l i d a tion.



### D a t a M anag e m e n t : Q u a l

it y A s s u r a n c e Pe r f o r m a n c e E v a lu a t

i o n A u d it

T h e Qu a l it y A s s u r an c e S e c t i o n i n t h e M oni t o ri n g a n d L a bo r a to ri e s Div i s i on c ond u c t s p e rf

o rm a n c e e v a lu a t i o n a udit s an d t e c h n i c a l s y s t e m au d it s a t amb i e n t a ir moni t o ri n g s t a tion s th r ou g ho u t t h e s t at e
. P e rf o rm a n c e audi t s a

r e c ondu c t e d annu a l l y of e ac h lo c a l ai r pollut i o n c ontr ol di s t ri c t f o r g a s e o u s c ri t e ri a pol l ut an t m oni t o rin g and p a rt i c u l at e m at t e r mo n it o ri n g f l o w au d it s
. T h e r e s ul t s o f th e a udit s a r e m a i nt a in e d o n l i ne o n th e A R B w e b s i t e an d a r e a l s o up l o a d e d t o AQ S i n mo s t ca s e s
. In s om e i n s t an c e s , the A R B h a s no t r e c e i v e d u p d at e ri g ht s t o s om e l o c a l D i s t ri c t ’ s s c r ee nin g f i l e s i n A Q S.
E P A c ondu c t s a n a nn u a l i n t e r c omp a r i s o n wi t h t h e A R B au d it v e h i c l e s t o e n s u re c o m p a r abi l i t y with E P A ’ s N at i on a l P e rf o r m an c e A u d i t P r o g r am ( N P A P ) a nd P e rf o rm a n ce E v a lu at i o n P r o g r a m (P E P ).



### D a t a M anag e m e n t : S

pe c i a l Pu r p o s e M on it o ri ng
T h e Op e r at i on s P l a nnin g an d A s s e ss m e n t S e c t i on , whi c h i s l o c a t e d with i n t he Qu a l it y M a n a g e m e n t B r a n c h o f th e M oni t o rin g an d L ab o r at o r y Div i s i on , c ond u c ts s p ec i a l pu r

po s e moni t o ri n g p r o

j ec t s on an a s
- n e e d e d b a s i s
. T hi s s e c tio n i s r e s pon s ibl e f or c o v e ri n g e m e r g i n g i s s u e s i n a i r moni t o rin g
. I n m o s t ca s e s th e m e a s u r e m e n t d a t a a re uplo a d e d t o A Q S.
E P A w a s no t g i v e n a c c e s s t o in t e r vi e w s t a f f i n th i s s e c t i o n a

bou t d a ta m a n a g e m e n t p r a c t i c e s.



### D a t a M anag e m e n t : L o c a l- Di

s t r i c t - co l l e c t e d / A R B
- U p l oad e d
- t o - AQS

T h e Ai r Qu a li t y D a t a S ec t i on , o f th e Ai r Qu a l it y D a t a B r a n c h i n th e P l a nni n g and T e c hn i c a l S uppo rt Div i s i on , i s t h e o r g an i za tio n r e s pon s ib l e f o r u p l o a d i n g A R B ’s c ont i nuou s p a

rt i c ul a t e m at t e r d at a a n d a l l m e t e o r o lo g y d at a t o A Q S

. I n a d di t ion , the AQ D S a l s o up l o a d s d at a fr o m t ho s e l o c a l D i s t ri c t s th a t s ubm i t on l y h a r d c o p y d at a and th e g a s e ou s c ri t e ri a pol lu t an t m oni t o rin g d at a fr o m l o c a l D i s t ri c t s witho u t di r e c t a c ce s s to A Q S

. T h e AQD S i s l o c a t e d i n S a c r a m e n t o a n d i s m a n a g e d b y R o n R oth ac k e r.59 T h e ind i vidu a l s t a f

f m e m b e r s in t e r v i e w e d on J u l y 19 , 2007 a bo u t d a t a m an a g ed b y A Q D S w e r e:
K a r e n M a g l i ano , M a n a g e r , A i r Q u a l it y D at a B r an ch R o n R oth a c k e r , M a n a g e r , A i r Qu a l it y D at a S e c t ion P h e n g L e e , Ai r P o llut i o n S p e c i a l i st
D at a i s r e ce i v e d e l ec t r on i c a l l y b y e m ai l o r a s h a r d c o p y th r ou g h th e m ai l fr om 10 di ff e r e n t l o ca l D i s t ri c t s. On e o f th e A Q D S ’ p rim ar y f un c t i on s i s t o r e vi e w and upl o a d hou r l y d ata p r odu c e d at A R B m oni t o rin g s i t e s an d d at a s ubm i t t e d b y l o c a l Di s tri c t s w i t hou t d i r e ct a cc e s s i nt o A Q S ( Gl e n n C ou nt y A P C D , L ak e C o un t y AQ M D , M e ndo c in o C oun ty A P C D , No rt h e rn S ono m a A P C D , P l a c e r C oun t y A P C D , S a c r a m e n t o M e t r opol i t an A Q M D , S h a s t a C oun t y AQ M D , S i s ki y o u C oun t y A P C D , T e h am a C ou n t y A P C D and Yolo

- S ol a n o AQ M D )

. T h e t yp e o f d at a u p lo a d e d f o r th e s e Di s tri c t s in c l u d e g a s e ous c ri t e ri a poll u t an t , c ont i n u ou s p a r ti c ul a t e m a t t e r a n d m e t e o r ol o g i c a l d at a. Ai r Qu a l it y D at a A c t i o n ( A Q DA ) r e p o rt s b a s e d u pon p e rf o r m a n c e audi t s are p r odu c e d b y Q A S

. T h e s e r e po rt s ar e p r ov id e d t o th e Di s tri c t s f o r f ol l o w u p with in 30 d a y s an d t o AQ D S t o in f

o r m t h e m o f d at a r e qu i ri n g at t e nt i o n b y t h e D i s t ri c t s
. T he Di s tri c t s m u s t r e s pon d wi t hin 30 d a y s
. I f th e r e s p on s e i s a c c e pt abl e t o Q A S , t h e AQ DA i s c omp l e t e d , s i g n e d , d at e d , an d f o r w a r d e d t o th e AQD S f

o r a p p r op ri at e ac t i on , i

. e
. , d ata c o rr e c t i on , ac c e pt a n c e , o r d e l e t i o n f o r t h e a f f e c t e d t i m e p e r iod

. N o c h a n g e s a r e m a d e to Di s tri c t d at a wi t hou t th e i r knowl e d g e a n d c on s e nt

. F u rth e r f ol l ow
- u p i s p e r f

o rm e d by Q A S i f d e f

i c i e n c i e s r e m a in.
A U s e r’ s Gu i d e ( m an u a l ) w a s d e v e lop e d b y AQD S p r ovid i n g i n s t ru c t i on s on d ata r e c e ip t a n d i npu t in t o A Q S

. T h e d at a c h e c k s p e r f o rm e d b y AQD S a

r e p rim a ril y f or hi s to ri c a l h i g h s , dupl i cat e d at a a n d t o e n s u r e a m oni t o r i s d e f i n e d i n A Q S.



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T h e lo c a l Di s tri c t s r e v i e w e d a s p art o f th i s T S A i n c lu d e No rt h e rn S i e rr a A Q M D, S an J o a qui n V a l l e y A P C D an d Gr e a t Ba s i n Uni f i e d A P C D.
T h e r e po rt in g o f d a t a i n t o AQ S b y lo c a l Di s tri c t s w a s a g r e e d upon b y Di s tr i ct s p ec i f i c M e mo r a ndum s o f Und e r s t a ndi n g th a t w e r e s i g n e d b y t h e D i s t ri c t s , th e A R B a nd U

. S

. E P A i n 2002

. T h e l e v e l o f Q A d at a r e vi e w p e rf o rm e d b y th e G B UA P C D is e xt e n s iv e and do c um e nt e d i n th e Di s tri c t ’ s Q A PP s
. T h e S J V A P C D h a s d e v e lop e d i ts own d at a r e v i e w a n d v a lid a t i on p r o c e du r e s f o r th e d at a it uplo a d s t o A Q S

. N S AQ MD r e v i e w s a nd s ubm i t s d a t a t o A Q S but do e s no t h a v e w ri t t e n p r o ce du r e s in p l a c e.60 B a s e d on in t e r v i e w s o f th e AQ D S s t a f f , i t i s c l e a

r t h at t h e y a

r e no t f am i l i a r w i th th e QA/Q C r e vi e w p r a c t i c e s p e r f o rm e d i n th e Di s t ri c t s a n d wh e th e r tho s e p r a c t i c e s a r e in c o m pl i an c e wi t h A RB ’ s p r ac ti c e s.
F I N D I N GS
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Di s c u s s io n: 4 0 C F R P a

rt 58 App e ndi x A S e c tion 3

. 1

. 1 s t at e s th at “ E a c h p r i m a r y qu a li ty a s s u r an c e o r g ani z at i on s h a ll b e d e f i n e d s u c h t h at m e a s u r e m e n t u n c e rt a in t y a mon g a ll s t at i on s i n t h e o r g an i z at i o n c a n b e e xp ec t e d to b e r e a s o n ab l y hom o g e n e ou s , a s a r e s ul t of c om m o n f

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. C om m o n f

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R ec o mm e nd a t io n: D e v e l o p c ontr o l

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i cat i on p r o c e du r e s i n t h e A Q S B.
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r e no t f o rm a l l y publ i s h e d i n c ontr o l

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rt 58 App e ndi x A S e c tion 3

. 1

. 1 s t at e s th at “ E a c h p r i m a r y qu a li ty a s s u r an c e o r g ani z at i on s h a ll b e d e f i n e d s u c h t h at m e a s u r e m e n t u n c e rt a in t y a mon g a ll s t at i on s i n t h e o r g an i z at i o n c a n b e e xp ec t e d to b e r e a s o n ab l y hom o g e n e ou s , a s a r e s ul t of c om m o n f

a c to r s
. C om m o n f

a c t o r s
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R ec o mm e nd a t io n: D e v e l o p c ontr o l

- c o p i e d S O P s f o r th e d a t a v a l i d a tio n a nd r e v i e w/v e ri f

i cat i on p r o c e du r e s i n t h e N L B.
F in d i n g D M 3: T h e d at a v a l i d at i o n a nd d at a r e vi e w / v e ri f i c a tion p r o c e du r e s f

o r t h e A ir Qu a l it y D a t a S e c tio n a

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rt 58 App e ndi x A S e c tion 3

. 1

. 1 s t at e s th at “ E a c h p r i m a r y qu a li ty a s s u r an c e o r g ani z at i on s h a ll b e d e f i n e d s u c h t h at m e a s u r e m e n t u n c e rt a in t y a mon g a ll s t at i on s i n t h e o r g an i z at i o n c a n b e e xp ec t e d to b e r e a s o n ab l y hom o g e n e ou s , a s a r e s ul t of c om m o n f

a c to r s
. C om m o n f

a c t o r s
... . in c lud e u s e o f a c om m o n QA P P o r s t a nd a rd op e r a ti n g p r o c e du r e s ”.
R ec o mm e nd a t io n: D e v e l o p c ontr o l

- c o p i e d S O P s f o r th e d a t a v a l i d a tio n a nd r e v i e w/v e ri f

i cat i on p r o c e du r e s i n t h e AQ D S.
F in d i n g D M 4: E P A w a s n o t giv e n a c ce s s t o s p ec i a l p r o j e c t s d a t a m a n a g e m e n t a c t i vi t i es t o r e v i e w
. I t i s no t c l e a r th a t Q A p r o c e du r e s a r e b e i n g appli e d t o a l l p r o j ec t s r e ce i vi ng f e d e r a l f und in g.61

Di s c u s s io n: E P A r e qui r e s o r g an i z at i on s t h at r ece i v e F e d e r a l f undi n g t o c o l l e c t and p r odu c e e nv i r o n m e n t a l d at a t o e s t a b li s h QA P P s th at i n c lu d e d at a v e ri f i c a t io n and v a l i d a tion p r o c e du r e s
. T h e pu r po s e o f th e Q A P P i s t o e n s u r e th e d a t a p r o d u c e d i s of know n a nd do c um e nt e d qu a li t y t h at ca n b e u s e d f o r it s int e nd e d pu r

po s e
. T h i s a

ppl i e s to s p ec i a l pu r

po s e moni t o ri n g a s w e l l a s S L A M S , P A M S a n d N C O R E m oni t o r in g.
R ec o mm e nd a t io n: E P A s hou l d b e g i v e n ac c e s s t o r e v i e w d at a v a lid a t i o n a nd v e ri f i c a t i on p r o c e du r e s f

o r s p e c i a l pu r

po s e moni t o rin g p r o

j e c t s.
F in d i n g D M 5: T h e A Q D S d o e s no t e n s u r e th a t l o c a l Di s tri c t d at a a r e v a l i d at e d p rio r to uplo a d t o AQ S.
Di s c u s s io n: A t th e N S A Q M D , au t om a t e d in s trum e n t o u t put s a r e t e l e m e t e r e d t o the Di s tri c t o ff

i c e
. T h e mo n ito ri n g m an a g e r r e vi e w s t h e o z on e d at a a n d t h e n s u b m i t s th e se d at a di r e c t l y t o AQ S wi t h no a ddi t ion a l Q A c h e c k s.
R ec o mm e nd a t io n: A R B s houl d e n s u r e th at a l l lo c a l D i s t ri c t s h a vi n g th e r e s pon s ibi l i ty f o r s ubm i tt i n g d at a di r e c tl y t o AQ S f ol l o w c on s i s t e nt p r o c e d u r e s f o r r e vi e w i n g a nd v a l i d a tin g d at a b e f

o r e i t i s s ubm i tt e d t o AQ S.
F in d i n g D M 6: Amb i e n t m onito ri n g d at a s ubm i tt e d t o t h e A Q S d at ab a s e b y t h e A RB P QA O i s not b e i n g c e rt i f i e d a nnu a l l y. Di s c u s s io n: 4 0 C F R P a r t 58

. 15 r e q u i r e s d at a t o b e c e rt i f i e d b y a s p e c i f

i c d at e i

. e ., c o i n c i d e n t with ann u a l s umm ar y r e po rt whi c h , u n t i l 2009 , i s du e b y J u l y 1 o f e a c h y e a r; b e g i nni n g in 2010 , t h e an nu a l d a t a c e r t i f i c a tio n l e tt e r i s du e b y M a y 1 o f e ac h y e a r. S in c e t h e d at a a r e c on s i d e r e d c e r ti f i e d , o ff i c i a l , a n d n o t s ubj e c t t o c h a n g e a f t e r s ubm i t t al o f th e c e rti f

i c a tio n l e tt e r , c h a n g i n g d at a at a l a t e r d at e i s a s i g ni f i c a n t c o n c e r n , a s the e x p e c t at i o n i s th a t t h e d at a w i l l no t c h a n g e an d m a y b e u s e d f o r at t ai nm e n t a nd d e c i s i on m a kin g pu r

po s e s
. D a t a v e ri f

i c a t i on s houl d t a k e p l a c e b e f o r e u p l o a d t o A Q S , no t a f t e r, wh e n it h a s th e pot e nt i a l t o imp ac t n u m e r ou s d e c i s i on s a l r e a d y m a d e b y s e v e r al o r g an i za tion s.
R ec o mm e nd a t io n: All d at a c h a n g e s a n d c e rt i f i ca t i on s houl d t a k e pl a c e c on s i s t e n t w i th d e a dl i n e s e s t a

bl i s h e d i n P a

rt 58

. 15.
F in d i n g D M 7: A R B d o e s no t r e vi e w G B UA P C D ’ s d a t a p rio r t o i t s b e in g u p l o a d e d to A Q S.
Di s c u s s io n: A R B do e s n o t r e v i e w t h e moni t o ri n g d at a fr o m th e G B U A P C D ’ s n e two rk.
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F in d i n g D M 8: Annu a l c e rt i f i c a t i on o f th e G B UA P C D ’ s moni t o rin g d at a i n A Q S i s not b e i n g do n e.62

Di s c u s s io n: T h e c e rti f

i ca tion o f amb i e n t m onit o rin g d at a i n A Q S b y th e ai r p o l l ut i on c on t r ol o ff

i c i a l r e s pon s i bl e i s r e qui r e d to b e p e r f o r m e d on an annu a l b a s i s
. R e v i e w of th e d a t a b a s e f r om 2000

- 2 006 s how s no annu a l c e r t i f i cat i on s i n AQ S.
R ec o mm e nd a t io n: G B U A P C D s hou l d s ubm i t th e annu a l c e r ti f i cat i o n l e t t e r a nd r e q u i r e d A M P 35 0 an d A M P 45 0 r e po rt s fr o m A Q S to E P A Re g ion 9

. F in d i n g D M 9: V a l i d c o n c e ntr a t i on d a t a f o r th e Y r e k a PM 2 .5 mo n i t o r ( A Q S # 0 6

- 093- 2001 ) h a v e n o t b e e n s u b m i t t e d t o th e AQ S d at a b a s e s in c e D e c e m b e r 2006.
Di s c u s s io n: B a s e d on t h e n u l l v a lu e c od e s i n t h e A Q S d a t ab a s e , i t ap p e ar s th a t this moni t o r b e g a n m a l f

un c t i onin g i n Nov e m b e r 200 6

. No d at a w e r e s ubm i t t e d t o A Q S f r om D e c e mb e r 13 , 2006 th r o u g h J u l y 2007

. Null v a l u e c od e s o f " m a c h in e m a l f un c t i on " a nd

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. W hil e t his moni t o r i s no t r e qui r e d und e r E P A r e gu l at i on s , th e A R B h a s d e s i g n at e d i t a s a S L A MS s i t e
. S LA M S s it e s s houl d m e e t a d at a c ap t u r e r at e o f 7 5 %.
R ec o mm e nd a t io n: T h e A R B s ho u l d w o rk with th e S i s ki y o u C oun t y A P C D to d e t e rm i n e th e r e a s o n f

o r th e po o r d at a captu r e at t hi s m onit o rin g s i t e an d i m pl e m e nt a pp r o p ri at e c o r

r e c t i v e a c t ion s t o e n s u r e a d at a c ap t u r e r at e o f at l e a s t 75 %.
F in d i n g D M 10: T h e AQ S d at ab a s e id e nti f i e s th e S i s ki y o u C ou nt y A P C D a s i t s own P QA O.
Di s c u s s io n: T wo s i t e s i n S i s ki y o u C oun t y , M oun t S h a s t a ( A Q S # 0 6

- 09 3

- 0 004 ) a n d L a va Be d s N a tio n a l M on u m e n t ( AQ S # 0 6

- 09 3

- 0005 ) ar e li s t e d a s b e in g p a r t o f t h e S i s ki y ou C oun t y P QA O

. A c c o r d i n g t o t h e A R B 2007 S & L M o n it o ri n g N e tw o rk P l an , M ount S h a s t a i s o p e r at e d b y S i s ki y o u C oun t y A P C D ; th e r e f o r e , i t s hou l d b e l i s t e d a s p a rt o f the A R B P QA O

. L a v a Be d s N a tion a l M on u m e n t i s op e r a t e d b y th e N at i on a l P a rk S e r vi c e. D e p e ndi n g on t h e ho w thi s moni t o r i s b e in g op e r a t e d , w h e th e r i t i s audi t e d b y A R B a nd whi c h l abo r a to r y p e rf

o r m s t h e m a s s a n a l y s i s o f f i l t e r s , thi s m oni t o r ' s P QA O a s s o c i at i on s hould b e v e ri f

i e d.
R ec o mm e nd a t io n: T h e A R B s ho u l d w o rk with E P A t o e n s u r e th at t h e m o ni t o r s i n the A R B P QA O ar e c o rr ec tl y id e nt i f i e d i n th e A Q S d at a

b a s e.
F in d i n g D M 11: T h e L a k e po rt PM 10 s it e h a s no t r e po rt e d PM 10 d a t a c o rr e c tl y t o AQS s i n c e M a r c h 2 001.
Di s c u s s io n: Be g in n in g i n Ap ri l 2001 , PM 10 d at a fr o m th e L ak e p o rt moni to rin g s i te ( A Q S # 06

- 033

- 3001 ) h a v e b e e n s ubm i t t e d t o th e AQ S d at a b a s e u n d e r t h e l o c a l c ondi t ion p a r a m e t e r ( A Q S c od e 8 5 101 ) r at h e r th an und e r th e s t a nd a r d T e mp e r a tu r e a n d P r e s s u re p a r a m e t e r ( A Q S c od e 8 1 102 )

. T h e PM 10 NA A Q S r e qu i r e s th at d a t a b e a d j u s t e d to S t and a r d T e m p e r a tu r e a n d P r e s s u r e c ondi t ion s (S e e 40 C F R 50 , App e nd ix J , s ec t i on 11 ).63

R ec o mm e nd a t io n: T h e A R B P QA O s houl d e n s u r e t h at PM 10 d at a a r e s u b m i tt e d t o t he A Q S d at ab a s e un d e r th e app r op ri a t e p a r a m e t e r c o d e s
. T h e A R B s ho u l d r e v i e w t h e PM 10 d at a fr o m th e L ak e po r t m oni t o rin g s i t e to d e t e rm in e i f PM 10 d at a at lo c a l c ondi t ion s w e re c o rr e c tl y s ubm i t t e d t o th e AQ S d at a b a s e
. I f th i s i s no t t h e ca s e , t h e PM 10 c on c e ntr a tions wi l l n e e d to b e r e c a l c ul at e d a c c o r di n g t o th e p r o ce du r e s in 40 C F R 50 , Ap p e ndi x J and r e s ubm i t t e d t o A Q S und e r t h e c o r r e c t p ar a m e t e r c o d e
. A l t e rn a t i v e l y , th e d at a i n A QS m a y a l r e a d y h a v e b e e n c o rr e c t e d t o S t a nd a r d T e m p e r a tu r e a n d P r e s s u r e an ds imp ly in c o rr ec t l y s u b m i tt e d u n d e r t h e w r on g AQ S p a r a m e t e r c od e.64 T h i s p a g e i nt e n tion a l l y l e f t bl a nk.65



## QU AL I T Y A SS U R A N CE
I n t r o d u c t i on
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r e lo c a t e d w i t hi n th e M oni t o rin g an d L abo r a to r y D i vi s ion

. T h e P l a nnin g and T e c hn i c a l S uppo rt Div i s i o n ( P T S D ) a l s o h a s a Q A r o l e i n r e v i e wi n g am bi e n t d a ta c ol l e c t e d b y A R B

- M L D a nd s om e Di s tri c t s an d w o rk s with Q A S t o e n s u r e th a t on ly v a l i d a t e d d at a ar e r e po rt e d to E P A ' s Ai r Q u a l it y S ub s y s t e m ( AQ S ) d a t ab a s e.
T h e A Q S B p e rf

o rm s s e v e r a l q u a l i t y m an a g e m e n t f un c t i on s
. T h e s e in c lud e:66

• D e v e lop in g a n d a dm i ni s t e ri n g th e tr a ini n g p r o g r a m f o r i n s t rum e nt op e r a t o r s;

• P e rf

o rm in g in s tru m e n t c e rt i f

i c a t i on s;

• V a l i d a tin g A R B

- M L D ’ s f i e ld g e n e r at e d m oni t o rin g d at a ( p r ec i s i o n a s s e s s m e n t s );

• M ai nt ai nin g a s y s t e m f o r f o rm a l c o rr e c t i v e ac t i o n s;

• P r e p a

ri n g an d r e vi e wi n g S O P s f o r th e a i r moni t o ri n g p r o g r a m.
T r ai nin g an d in s tru m e n t c e rti f i ca tion s a r e th e r e s p on s i b i l iti e s o f th e Op e r at i ons S uppo rt S e c t i o n ( O SS ) wi t hi n A Q S B

. T h e O S S a l s o p r ov i d e s i nd e p e nd e n t r e v i e w and a pp r o v a l o f f

i e l d S O P s
. O SS ' s oth e r r e s pon s i b i l it i e s in c lud e s in s tru m e n t r e p a i r and t e c hn i ca l s uppo rt

. Ho w e v e r , whi l e s upp o rt ( tr a inin g , f i e l d p r o c e d u r e s , an d oth er t e c hn i ca l s uppo rt ) i s a v ai l a b l e t o th e a l l lo c a l Di s tr i c t s i n Ca li f o r ni a , t h e AQ S B ’ s r o l e is no t t o a c tiv e l y m a n a g e th e Di s tri c t s ’ f i e l d moni t o rin g qu a li t y s y s t e m s no r d o e s t h e A Q SB h a v e t h e r e s ou r ce s to do s o.
T h e No rth e rn L abo r at o r y B r a n c h d e v e lop s l a bo r a t o r y an d am bi e n t ai r c ol l ec tion t e s t p r o c e du r e s , p e r f

o rm s n e ar
- s o u r c e amb i e n t a i r m oni t o rin g , c ondu c t s an a l y s e s of am bi e n t ai r

s amp l e s a n d c on s um e r p r od u c t s , an d p r ovid e s t e c hni c a l a ss i s t an c e t o c l i e n t s. T h e l a b p e r f o rm s s e l f a s s e s s m e nt s e a c h qu a r t e r an d p r odu c e s a qu a li t y c ontr o l s um m a ry r e p o rt th at i s p r ovid e d t o t h e D i vi s io n c h i e f.
A s ob s e r v e d a n d c on f

i rm e d du rin g in t e r vi e w s , Q A r e l a t e d f u n c t i on s a

re in c o r po r a t e d th r o u ghou t t h e A R B ’ s ai r m oni t o rin g op e r a tion s
. H ow e v e r , s i n c e t h e QA a c tivi ti e s an d r e s pon s i b i l iti e s a r e s p r e a d a mo n g di f

f e r e n t o f f i c e s and b r an c h e s wi t hi n the A R B , i t i s d i ff

i c ul t f o r th e Q A a c t i vi t i e s t o b e c oo r din a t e d b y th e Q M B a n d , b a s e d on E P A ’ s i nt e r v i e w s with Q M B s t a ff, th e s c op e an d o r g an i za tion o f th e s e v a ri ou s QA a c tivi ti e s i s n o t f

ul l y u n d e r s t oo d b y th e Q M B

. T h e e ff i c i e n c y o f th e e x i s t i ng d e c e n t r a l i z e d s y s t e m c o u ld b e imp r o v e d i f th e Q MB o r anoth e r e nt i t y t oo k a m o r e o f a l e a d e r s h i p r o l e
. F o r e x a mp l e , in t e rn a l c h ec k s c o n d u c t e d b y Q A S do no t r e qui r e w ri t t en c o rr e c t i v e ac tio n r e s po n s e s (P e r f o rm a n c e audi t d a t e d J un e 7 , 2007 , A m bi e n t A i r T o x i cs L ab o r at o r y C omp a

ri s o n C h e c k R e s ult s )

. Q M B ’ s a utho rit y i s di m in i s h e d wh e n no c o rr e c t i v e ac tio n r e s po n s e i s r e qu i r e d

. W i t h t h e e x c e pt i on o f Ai r Qu a l it y D a t a A c t i on ( A Q DA ) f

o rm s th a t a

r e i s s u e d p rim a

r i l y o u t o f th e QA S an d th e t e c hn i c a l b u ll e tin s fr om th e AQ S B , c o rr e c t i v e ac t ion do c u m e n t at i o n w a s n ot s u ff i c i e nt

. M ini m a ll y, r e c om m e nd a tion s f

o r c o rr e c t i v e a c t i o n an d r e s po n s e s t o t h e m s ho u ld b e a dd r e s s e d in w ri t in g.
A n e x am pl e o f an a c tiv it y th a t wou l d b e i m p r o v e d b y b e t t e r c oo r di n at i o n i s t he g u e s t in s tru m e n t c e rt i f

i c a t i on/ c a l i b r at i on p r o c e du r e
. C u rr e n t l y , wh e n a g u e s t in s tru m e nt f ai l s a c a l i b r at i on o f ce rt i f i c a t i on , th e S t a nd a

r d s L a bo r a to r y i s n o t r e qu i r e d t o r e po rt th is f ai l u r e t o t h e A R B f

i e l d a udi t o r s o r th e A R B d at a r e vi e we r s
. I f thi s p r o c e d u r e w e re r e v i s e d t o r e qui r e t h e r e p o rt i n g o f t h e r e s ul t s o f th e c e r t i f i c a t i on/ c a l i b r a tio n p r o c e du r e , the Q A S an d A Q S B w ou l d b e abl e t o a d d r e s s th e c on s e qu e n c e s o f th e s e f a ilu r e s
. F or e x a mp l e , th i s in f

o rm at i o n would b e u s e f

u l t o th e Q A S du rin g f

utu r e i n s t ru m e nt p e rf o rm an c e audi t s an d t o A Q S B f o r d e t e r min in g wh e th e r d at a p r odu ce d p r i o r t o f a i l u re s hould b e r e

j ec t e d o r m o r e c lo s e l y r e v i e w e d.67 T h e Q MB s t a f

f i s no t a w a

r e o f th e e x t e n t t o w h i c h Q A a c ti v i t i e s ar e p e r f o r m e d in th e Di s tri c t s
. T h e Di s tri c t s i n t h e A R B P QA O a r e e x p ec t e d t o f

ol l o w A R B

- M LD ’s Qu a l it y A s s u r an c e P l an ( Q A P )

. N o r ec o r d s o f r e gu l a r s y s t e m audi t s t o e n s u r e th a t the Di s tri c t s w e r e i n c o n f

o r m a n c e wi t h t h e pl an w e r e a v a i l a bl e
. S e e F i ndi n g Q A 3 b e l o w.
I n o r d e r to d e t e rm i n e th e e ff e c t i v e n e s s an d e ff

i c i e n c y o f th e A R B ’ s Q A s y s t e m , a r e g u l a r s c h e du l e o f s y s t e m a udit s b y Q M B , o r oth e r c e n t r a li z e d qu a l it y m a n a g e m e nt e nt it y , o f t h e A R B an d l o c a l d i s tr i c t a mbi e n t ai r m o n ito ri n g p r o g r am s i s r ec om m e n d ed f o r ca p t u ri n g d e v i at i on s f

r o m t h e A R B QA p l a n a n d t o i n s u r e on g oi n g qu a l i ty i m p r ov e m e n t.
T h e A R B h a s a l l t h e n e c e s s ar y c ompo n e nt s f o r an e ff e c t i v e an d r obu s t QA s y s t e m
. E a c h Divi s io n inv o lv e d i n th e c oll e c t i o n an d r e po rt in g o f a mb i e n t ai r d a ta und e r s t a nd s an d p e rf

o rm s QA

. A “ Q M P

- l i k e ” d o c um e n t i s a l r e a d y i n p l a c e t o e n s u re Q A / Q C p r a c t i ce s a

r e f ol l ow e d o r i m p r ov e d upon , an d th e Q M B i s i n a po s i t i o n to pot e nt i a l l y p r o v id e an aut ho rit a t i v e ov e r s i g h t r o l e.



### G ene r a l Q ua l it y M an ag e m e nt

F in d i n g Q M 1: T h e M L D do e s n o t h a v e c e ntr a l , i n d e p e n d e n t au t ho ri t y i n t he o r g an i za tio n to p r ov i d e di r e c t i o n a n d r e c om m e nd a t i on s t o th e d a t a c o ll e c t i on , p r odu c tion, and v e ri f i ca t i on p r o g r a m s. Di s c u s s io n: Al t hou g h Q M B i s i nd e p e nd e n t a n d c e ntr a l l y s i t u at e d i n t h e A RB ’s o r g an i za tio n c h a

r t , t h e B r an c h e s ap p e ar to b e s e l f di r e c t e d i n th e Q A th e y p e r f o rm. F un c t i on a l l y , i n a ddi t io n t o Q M B , Q A i s p e r f o rm e d i n t h e No rth e rn L ab o r a t o r y B r an c h, Ai r Q u a l it y S u r v e i l l an c e B r an c h a n d i t s Op e r a t i o n s S uppo rt S e c t i on
. Q M B h a s a tt e mp t ed to p e rf o rm QA o v e r s i g h t an d th e r e a r e s o m e r ec o r d s o f r e vi e w s ( e
. g
. , p e rf o rm a n c e a udits o f th e No rth e r n a n d S outh e r n L a bo r a to r y B r an c h , whol e a i r i nt e r l a b o r a to r y c o m p a

ri s on c h e c k s )

. N o r ec o r d s i n r e s pon s e t o Q A S r e po rt s we r e a v ai l abl e an d i t w a s not e d b y QAS th a t r e po rt r e c ip i e n t s onl y n ee d t o c on s i d e r r e c o mm e nd at i on s m a d e b y th e m ; th e r e i s no r e q u i r e m e n t t h at r e c ip i e n t s r e s pon d i n w ri t in g
. T h e l a c k o f c e ntr a li z e d qu a l ity m a n a g e m e n t a utho ri t y an d B r an c h e s a c t i n g in d e p e nd e n tl y o f o n e a noth e r d o e s no t r e s ult i n an e f f e c t i v e qu a l i t y a s s u r an c e p r o g r am f o r th e o r g a ni z at i on
. I f th i s c o n t i nu e s to b e the c a s e , 40 C F R P a

rt 58 , A p p e nd i x A , S e c tion 2

. 2 , r e qu i r e s t h at e a c h am bi e n t a i r moni t o ring o r g an i za tion h a v e a n i n d e p e nd e n t q u a li t y a s s u r a n c e f un c t i o n th a t i s r e s p o n s ib l e f o r t he e ff e c t i v e imp l e m e n t at i on o f the o ve r all q u a l i t y a ss u r a n c e o p e r at i on s o f th e o r g a ni za tion.

R ec o mm e nd a t io n: E m pow e r a c e n t r a l , ind e p e n d e n t q u a l it y m an a g e m e n t au t ho ri ty c oo r d in at e d w i t h i n M L D t o w o rk i n th e P QA O ( A R B a n d Di s tri c t s ) t o e n s u r e the p r odu c tion o f qu a l it y d at a
. I t s r o l e s hou l d b e t o e s t a bl i s h a uni f

i e d , s tru c tu r e d, c o m p r e h e n s iv e Q A p r o g r a m i n t h e A R B t h at in c l u d e s ov e r s ee i n g ( a p p r ov i n g ) th e Q A

/ QC a c tivi ti e s c ond u c t e d i n th e f i e ld , in f o rm at i o n m a n a g e m e n t , an d l abo r at o r y o p e r a t i on s.68

T o f ul l y i m p l e m e nt s u c h a p r o g r am , int e r n a l au d i t s s hou l d b e c ondu c t e d t o c ap t u r e any d e v i at i on s fr o m A R B an d E P A Q A r e qui r e m e nt s no t a dd r e s s e d i n t hi s r e p o rt

. T h i s would e n abl e th e A R B to d e v e l o p an d a dm i ni s t e r a c o m p r e h e n s iv e Q A s y s t e m t h at i s n ot ind e p e nd e nt l y o p e r at e d i n t h e B r an c h e s a n d Di s tri c t s , b u t l e d b y t h e M L D

. B a s e d on th is s e l f a s s e s s m e nt , t r ai ni n g p r og r am s s hould b e d e v e lop e d

. C om m un i cat i o n c h a nn e ls s houl d a l s o b e e v a l u at e d t o e n s u r e e f f i c i e n t e x c h a n g e o f Q A r e l a t e d i n f o rm a tio n ( e
. g ., in f o rm at i o n c on ce rnin g c h a ng e s in E P A ’ s moni t o ri n g r e g u l at i on s ) a n d th at m at t e r s r a i s ed a r e a c t e d upon an d r e s p o nd e d t o i n a t i m e l y m a n n e r.
T h e au t ho ri t y an d r e s p o n s ibi l it i e s o f t h e ce n t r a l , ind e p e nd e n t Q A auth o ri t y s hould in c lud e th e p r ovi s io n f

o r e f f e c t i v e tr a in in g , t e c hn i ca l a s s i s t a n c e an d g u i d an c e s u c h as d e v e lop i n g qu a l it y a s s u r a n ce p r o j e c t p l an s a nd s t a nd a

r d op e r a tin g p r o c e d u r e s , d a ta c ol l e c t i on p l an a

pp r o v a l s , an d th e p e r f

o rm a n c e o f s e l f a s s e s s m e nt s a n d a udit s of B r a n c h e s , Div i s i on s , a n d D i s tr i c t s invo l v e d in d at a c ol l ec t i on , p r od u c t i on , o r v e ri f i c at i on.
F in d i n g Q M 2: T r a in i ng , whil e i n p l a c e f o r th e A R B M L D , do e s n o t n e c e ss a ril y e x t e nd t o a l l s t a f f a n d t h e A R B P QA O D i s t ri c t s
. S e e a l s o F ind i n g M 1.
Di s c u s s io n: T h e QA S an d th e AQ S B ( th r o u g h th e O SS ) h a v e i m pl e m e n t e d tr a ining p r og r a m s , whi c h a

r e i n p l a ce b u t s t i ll b e i n g r e f in e d

. T h e s e p r o g r am s a

r e v e r y b e n e f

i c i al and E P A e n c ou r a g e s th e A R B M L D t o c ont i nu e t h e s e p r o g r am s a s w e l l a s oth e r t r ai ni ng p r og r a m s i n p l a c e
. I t w o uld b e m o r e e f f i c i e nt , h o w e v e r , t o c o o r d i n at e a ce n t r a l tr a in i ng an d e v a lu a tion p r o g r a m t h at r e p r e s e n t s th e e nti r e P QA O t o e n s u r e t h at a l l moni t o ring s t a f f r e c e iv e a d e q u a t e an d c on s i s t e n t Q A tr a ini n g.
R ec o mm e nd a t io n: T h e A R B s ho u l d e n s u r e th a t t h e A Q S B an d Q A S c oo r din a t e th e ir tr a in i n g p r o g r a m s
. O n e w a y t o a c hi e v e thi s i s to d e v e lo p a ce ntr a l l y a d mi ni s t e r ed tr a in i n g p r o g r a m th a t in c l ud e s b o th op e r at i on s a n d Q A a c t i vi t i e s.
F in d i n g Q M 3: S om e Di s tri c t s do not h a v e a c e n t r a l , ind e p e nd e n t , d e d i c a t e d qu a l ity a s s u r an c e m an a g e r

/ o ff i c e r r e s pon s i bl e f

o r c om m uni c a t i n g an d e n s u ri n g th a t qu a l ity a s s u r an c e a c t i vi t i e s a

r e c a r r i e d o u t i n f

i e ld op e r a t i on s an d in f

o rm at i o n m an a g e m e n t.
Di s c u s s io n: T wo o f th e Di s tri c t s e v a lu at e d a s p ar t o f t hi s T S A , t h e S a n J o a q u i n V a ll ey A P C D an d th e No rth e rn S i e rr a A Q M D , h a v e no s t a f f a s s i g n e d to p e rf

o rm QA o v e r s i g ht o f th e i r o p e r at i on s
. In 4 0 C F R , P a r t 58 , Ap p e ndi x A , S e c t i on 2

. 2 , i t i s s t at e d th a t e a ch am bi e n t a i r moni t o ri n g o r g a ni z at i o n m u s t h a v e an ind e p e nd e nt qu a l i t y a s s u r a n ce f un c t i on
. W hi l e th e A R B p e r f o rm s s om e f

u n c t i on s , s u c h a s t h e ann u a l c e r t i f i c a t i on o f the o z on e s t a nd a

r d an d f lo w audi t s , t h e r e ar e m an y Q A f un c tion s n o t b e in g p e r f

o rm e d. T h e s e i n c l ud e p e riod i c a udi t s o f th e q u a li t y m an a g e m e n t s y s t e m ( m a n a g e m e n t s y s t em r e v i e w s ) ; d at a q u a l it y r e v i e w s t o id e n ti f y a r e a s o f im p r ov e m e n t an d t o e n s u r e th at do c u m e n t e d p r o ce du r e s a r e b e in g f ol l ow e d i n mo n i t o ri n g p r o g r a m s ; an d th e r out i ne r e v i e w a n d t r a c ki n g o f p r ec i s i o n a n d acc u r a c y d at a.
R ec o mm e nd a t io n: T h e A R B n e e d s t o p e rf o rm a n e v a lu a t i on o f Di s tri c t QA m a n a g e m e n t a c t i vi t i e s
. S om e Di s tri c t s , s u c h a s G r e a t B a s i n Uni f i e d A P C D , p e rf

o rm69

th e i r o w n Q A m an a g e m e n t ac t i vi t i e s an d woul d r e qui r e on l y p e rio d i c a s s e s s m e nt s to e n s u r e th e y c ont i nu e t o m e e t th e A R B and E P A Q A r e qui r e m e n t s
. Oth e r Di s tri c ts p r og r a m s wi l l n ee d th e A R B to pl a y a m o r e ac t i v e r o l e i n Q A m an a g e m e nt.


### Q A Sec tion
F in d i n g QA1: T h e Q A S do e s no t a s s u r e th a t s i t e s t h at f a il p e rf o rm an c e au di t s a

r e r et e s t e d a f t e r a c o rr e c t i v e ac t i o n i s i m pl e m e n t e d.
Di s c u s s io n: T h e QA S m ak e s a n e ff o rt t o r e
- t e s t s i t e s b a s e d on th e i r f i e l d s c h e dul e
. In p r a c t i c e s it e s th a t a

r e f ar fr o m th e S a c r am e n t o o ff i ce do n o t g e t r e t e s t e d b e c au s e i t is p r ohi b i t iv e l y l abo r a n d r e s ou r c e i nt e n s i v e.
R ec o mm e nd a t io n: T h e Q A S s hou l d e s t a bl i s h c ri t e r i a f

o r r e t e s t in g b a s e d o n t h e n e e d f or th e d a t a an d /o r d e v e l o p a n a lt e r n at i v e to s e ndi n g t h e a udi t t r ai l e r b a s e d s y s t e m t o r e t e st s i t e s.
F in d i n g QA2: T h e Q A S h a s e x p e r i e n ce d a h i g h s t a f f tu rno v e r i n r ece n t y e a

r s , whi c h h as i m p a c t e d th e l e v e l o f in s t i t ut i on a l kn o wl e d g e i n th e s e c tio n an d i m p a c t e d i t s a bi l i t y to p e rf o rm a udi t s. Di s c u s s io n: T h e QA S h a s r e s pon s i bi l i t y f o r p e rf o rm a n c e a nd s i t e a udi t s a c r o s s t h e A RB P QA O

. T hi s i s a c r i t i c a l l y i m po rt a nt p art o f th e q u a l it y a s s u r an c e p r o g r am
. Addi t ion a l l y, wh e n in s tru m e n t ands it e p r ob l e m s a r e e n c ount e r e d du rin g th e a udi t s , s t a f f th a t h as d e t ai l e d knowl e d g e o f a i r m oni t o rin g op e r a t i o n a c r o s s a div e r s e r a n g e o f e q uip m e n t is r e q u i r e d t o c o r

r e c t t h e s i t u at i on
. T h e r e t e ntion o f s t a f f wi t h t hi s kn o w l e dg e b a s e wi t hin th e QA S h e l p s t o c o r

r e c t p r ob l e m s e n c ount e r e d c o ndu c tin g audi t s ; to d e t e r m i n e th e c a u se o f audi t f a i l u r e s ; t o e v a l u at e s i t in g an d in s tru m e n t c on f i g u r a t i o n i s s u e s ; an d t o e v a lu ate th e s i t e op e r at o r ’ s a

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ini t ion o f c omp l e t e s y s t e m a udi t s , f o c u s i n g s o l e l y on p r o g r am e l e m e n ts ( c o mpl i an c e , p e rm i tt i n g , ru l e d e v e lop m e nt , h o t s p o t s , e mi ss io n inv e nto r y , a n d a mbi e nt70

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. 0 , S y s t e m Audi t P r o ce du r e s f o r Amb i e n t Ai r M onito ri ng P r o g r am s , A u g u s t 2002.
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- 5 , E P A R e qui r e m e n t f o r Qu a li t y A s s u r a n c e P r oj ec t P l an s, di s c u ss e s a s s e s s m e n t s th a t s hou l d b e e l e m e n t s o f a q u a l it y m an a g e m e nt p r o g r a m
. T h e se in c lud e , “ s u r v e i l l a n c e , m an a g e m e n t s y s t e m s r e v i e w s , r e a d in e s s r e vi e w s , t e c hni c al s y s t e m s audi t s , p e r f

o rm a n c e e v a l u at i on s , audi t s o f d at a q u a l it y , and d a t a q u a l ity a ss e s s m e nt s. ” Audi t s o f d a t a q u a li t y in c lu d e p e ri o d i c c h e c k s o f a s m a l l p o r t i on o f t he d at a p r odu ce d t o e n s u r e t h at th e d at a s e t w a s c ol l e c t e d a s s p ec i f i e d b y r e g ul at i on s a n d the Q A pl a nnin g d o c u m e n t s
. It s houl d in c lud e t h e a p p r op ri at e s uppo rt in g do c um e nt a tion, v e ri f y t h at a l l s upp o rti n g d at a ca l c u l at i on s w e r e c o rr ec t , an d e v a l u a t e wh e th e r t he v a l i d a tio n w a s p r op e r l y p e rf o rm e d.
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- M L D a n d Di s tri c t d a t a i s v e r i f i e d a nd know n wh e n s u b m i tt e d t o th e AQ S d a t a b a s e; an d t o e n s u r e r e s u l t s r e p o rt e d t o th e AQ S d a t a b a s e c a n b e u s e d b y t ho s e acce s s in g the in f o rm at i on.
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. T h e s e c h ec k s in c l u d e : l e ak c h e c k , t ar e v a l u e i s s t abl e ( z e r o e d ) , a n d t e m p e r a tu r e
. Upon s a ti s f ac to r y c h e c k , t h ey c om m e n c e with th e c a l i b r a tion o r v e ri f i cat i on o f t h e GD U T an d e l ec tr oni c a ll y c a p t u r e the outpu t on th e d i s p l a y p an e l o f t h e GD U T

. R e s ul t s a r e r e a d di r e c t l y o f

f th e GD U T d i s pl ay p an e l an d e n t e r e d in t o a n e l e c tr on i c d at ab a s e s y s t e m ( D B A S E )

. A c c e s s t o th e d a t a b a se s y s t e m i s p a s s wo r d p r ot e c t e d a n d l i mi t e d t o M r
. R u s s e l l andM r
. S p r ea dbo r ou g h

. I t w as not e d t h at D B A S E wou l d s oon b e upd at e d.
A ca l i b r a tio n c on s i s t s o f on e c omp a r i s o n a g ain s t a p ri m a

r y f lo w c a l i b r a to r
. T he c o m p a ri s o n mu s t h a v e a li n e ar r e g r e ss io n w i t h a c o rr e l at i o n c o e ff i c i e n t o f 0

. 9999 or g r e a t e r
. T h e d e ri v e d s lo p e an d int e r c e p t s hou l d b e u s e d b y t h e c l i e n t t o c o rr e c t o r the in s tru m e n t ’ s di s pl a y e d f

lo w r a t e a dju s t e d.
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o u r c on s e c ut i v e c o m p a

ri s o n s a g ai n s t a p ri m a

r y f l ow c a lib r a to r
. P ri m a

r y f lo w c a l i b r at o r s s hould b e a l t e rn a t e d f o r e a c h c omp a ri s on
. E a ch c o m p a ri s o n mu s t h a v e a li n e ar r e g r e ss io n w i t h a c o rr e l at i o n c o e ff i c i e n t o f 0

. 9999 or74

g r e a t e r
. A c e rt i f

i c a t i o n o r r ec e rt i f

i c at i o n i s v a li d i f th e f

ou r mo s t r e c e n t c o mp a

ri s ons h a v e a R S D l e s s th a n 1 p e r c e n t f o r th e s lop e an d F R S D l e s s t h an 1 p e r ce n t f o r t he in t e r c e pt

. F o r r e c e rt i f

i cat ion ’ s , th e c u r

r e n t c omp a

r i s on s lop e m u s t b e wi t hi n 1 p e r c e n t of th e m o s t r e c e n t c o mp a

ri s on s l op e , o t h e r wi s e , a no t h e r c o m p ari s o n mu s t b e p e rf o rm e d to v e ri f y t h e c h an g e
. T h e c e r ti f

i e ds lop e an d in t e r ce p t i s t h e a v e r a g e o f e a c h f o r th e f o ur c o m p a ri s on s and s hou l d b e u s e d b y th e c l i e n t t o c o rr e c t o r a dju s t th e in s tr um e n t ’s di s pl a y e d f

lo w r at e.
V e ri f i ca t i on s c on s i s t o f on e mul t i

- po i n t c omp a ri s o n a g ai n s t o n e o f two p rim a ry f lo w ca l i b r a to r s : M o l bo x /M olb l o c A o r M olbo x/ M olblo c B F l o w C a l i b r a to r
. F o r a v e ri f i c a t i o n t o b e v a lid , t h e li n e ar r e g r e s s i on o f th e c omp a ri s o n m u s t h a v e a c o r

r e l at i on c o e f f i c i e n t o f 0

. 9999 o r g r e at e r , th e s lop e mu s t b e with i n 3 p e r c e n t o f th e e xp ec t e d v a l u e, an d th e i nt e r c e p t m u s t b e l e s s th an 1 p e r ce n t (f ul l s c a l e ) f

r o m th e c a l i b r at o r ’ s in t e r c e pt.
H i g h Vol u m e F l ow s ( 56 6 t o 2 , 360 l pm ) f o r P a r t i c u l a t e M a tt er C e r ti f i c a tion s o f h i g h v o l um e f l o w s a r e p e r f o rm e d with a R oot s m e t e r th a t is c e rti f i e d e v e r y t w o y e a

r s b y th e o ri g i n a l m an u f

ac tu r e r
. A c e r

t i f i c at i on o r r e c e r ti f

i cat i o n is v a l i d i f th e tw o mo s t r e c e n t c o m p a ri s on s h a v e a R S D l e s s t h an 0

. 7 p e r c e n t f o r th e s lope an d in t e r c e pt

. I n o r d e r f

o r e a c h c o m p a

ri s o n to b e v a l i d , a l l th e p o i nt s i n th e a s s a y mu s t be with i n 2 p e r c e n t o f th e r e g r e s s i o n l i n e
. T h e c e rt i f i e d s lop e a n d i nt e r ce p t i s th e a v e r a g e of e ac h f o r th e tw o c o mp a

ri s on s
. A s lo p e a n d int e r c e p t i s p r ovi d e d to d e t e r m in e both t he A c tu a l F lo w (Q a ) an d S t a nd a r d F l o w (Q s td )

. E P A ’ s a c c e p t an c e c ri t e ri a i s +/

- 2 % o f N I ST tr a c e a bl e s t a nd ar d , 40 C F R P a

rt 50 , App

. L , S e c t i on 9

. 1 , 9

. 2
T h e f low s t a nd ar d f

o r p a r t i c u l at e m at t e r i s r e c a lib r a t e d in

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. F o r a c a l i b r at i o n to b e s a t i s f a c t o r y , the a ss a y mu s t h a v e a c o r

r e l a t i o n c o e f

f i c i e n t o f b e t t e r t h a n 0

. 9999

. S l op e R S D % c omp ar ed t o th e p r e viou s a s s a y mu s t b e l e s s th an 0

. 7 %

. I n t e r c e p t F R S D % c o m p ar e d t o the p r e viou s a s s a y mu s t a l s o b e l e s s t h an 0

. 7 %

. R e s u lt s a r e di s c u s s e d wi t h E P A and upon s a t i s f a c t o r y d e t e rm i n a tion , a r e c e r t i f i ca tio n i s i s s u e d t o A R B.
I n - H o u s e C e r t i f

i c a t io n c h ec ks

. G a s e ou s f lo w e v a l u at i o n s a

r e p e rf o rm e d o n a qu art e r l y b a s i s b y t h e S t and a r ds L ab o r at o r y
. T h e s e e v a l u a tion s a r e r e f e r e n c e d t o a p ri m ar y N I S T tr a c e a b l e f l o w d e v i c e. E i g h t mo l bo x p e r f

o rm a n c e a

r e c h e c k e d u s in g f

iv e di ff e r e n t f l o w r at e s c o m p ri s i n g t h e f ull c a lib r a t i on s c a l e
. T h e m olb ox p e rf o r m an c e i s a l s o c r o s s c h ec k e d a g a in s t t h e oth e r s on an a l t e rn a t in g c y c l e
. T h e r e s ul t s fr o m e a c h l e v e l t e s t e d a r e poo l e d a n d a v e r a g e d with the p rio r th r e e q u a

rt e r l y c a l i b r at i on s a n d c o rr e l at i o n c o e ff i c i e n t ( CC ) d e t e rm in e d

. F o r f low tr a n s f e r s t an d a r d s , t h e r e l a tiv e s t a nd a

r d d e v i at i o n f

o r th e s lo p e mu s t b e l e s s th a n 1 p e r c e nt an d th e i nt e r c e p t d i vid e d b y f ul l s c a l e r ea di n g x 100 p e r c e n t mu s t b e l e s s th an 1 p e r ce nt f o r th e l a s t f

ou r c a lib r a t io n s.
T h e c ri t e ri a u s e d b y th e S t a nd a r d s L a b ar e m o r e s t rin g e n t th an tho s e r e qui r e d by E P A i n 40 C F R P a

rt 50 ( v a ri e s b e t w e e n 1 an d 2 % f

o r f l o w c o n tr ol l e r s a n d m e t e r s,75

r e s p e c t i v e l y )

. A n y d e vi a tio n fr o m c r it e r i a i s m oni t o r e d an d r e t e s t e d on th e f ol l owing d a y
. I f th e r e i s a s h i f

t th a t no t m e e t c ri t e ri a , th e p ri m a r y s t an d a r d i s s e n t f

o r r e ca l i b r at i on an d r ec e rt i f

i c at i o n b y D H I n s tru m e n t s
. A s i g n i f i c a nt s h i f t w a s d e t e rm i n e d i n Nov e m b er o f 2004 on tw o molb ox e s wh e r e t h e f low s t a nd ar d w a s s e n t t o D H I n s tru m e n t s f or r e ca l i b r a tion

. Upo n it s r e tu rn , a v e ri f i c a tio n c h ec k w a s p e r f

o rm e d

. T h e in s trum e n t w as s t i l l f oun d t o b e o u t o f c ri t e ri a bound s an d w a s r e s ubm i tt e d t o D H In s tru m e n t s
. T he S t and a r d L a bo r a to r y ’ s v e ri f

i c a tio n c h e c k o f D H I n s tru m e n t s c a li b r at i o n f o r th i s p e ri od w a s no t a v ai l a

b l e f o r r e vi e w
. I t w a s s t at e d b y t h e S t and a r d L a bo r a to r y m an a g e r th a t this would b e p r e p a

r e d i n th e f

utu r e.
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l o w tr a n s f

e r s t and a r d s ar e s e n t o u t t o D H I n s tru m e n t s on a n a nnu al o r mo r e f r e qu e n t b a s i s wh e n d e g r a d a t i o n i n i n s t rum e n t p e r f o rm a n c e i s o b s e r v e d , as r e q u i r e d in 40 C F R P a

rt 50 , App e n d i x L , S e c tion 9

. 2

. 2.
F in d i n g S L 1: T h e r e i s no p r o c e du r e in pl ac e to not i f y Qu a li t y A s s u r a n c e o r F i e l d Audit s t a ff o f f a il u r e , i

. e
. , th e p o t e nt i a l t h at d at a fr o m th e p e r iod p rio r t o th e c u r r e n t c a lib r a t i on c h e c k m i ght b e r e

j e c t e d i f t r an s f

e r an d f low s t and a r d s f

ai l ca l i b r a tion.
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r d s L a b o r a to r y not i f

i e s th e g u e s t ( A R B s i t e m an a g e r o r Di s tri c t) o f f ai l u r e , a n d t h at t h e f

ai l u r e mu s t b e r e m e d i e d p r io r t o r e s ubm i s s ion o f s t a nd a r d s
. T he s a m e n o t i c e c an b e p r ov i d e d t o Qu a li t y A s s u r a n c e a n d F i e l d A u d it s t a ff.

. R ec o mm e nd a t io n: A r e po rti n g m ec h a ni s m s ho u ld b e d e v e l op e d t o c om m un i cate c a lib r a t i on/v e r i f

i c at i o n f a i l u r e s t o Qu a li t y A s s u r a n c e a n d F i e l d A udi t s t a ff

. S i m i l a r ly Q A S s hou l d d e v e l op p r o c e du r e s a s to ho w t o e v a l u a t e an d a d d r e s s d at a p r o d u ce d p ri o r to th e d e t e rm i n a tion o f f

ai l u r e.
F in d i n g S L 2: T h e t h e rmo m e t e r i n t h e S t and a r d s L ab o r at o r y n ee d s to b e v e r i f i e d w i th ano t h e r N IS T t r ac e a

b l e s t and a

r d.
Di s c u s s io n: W h i l e th e c a l i b r at i o n c e r t i f i c at i on not e d th a t th e th e r mo m e t e r on ce c a lib r a t e d d o e s no t r e qui r e r ec a l i b r a tion , v e ri f i cati o n i s r e c om m e nd e d to o cc u r on a s c h e du l e d f

r e qu e n c y e
. g
. , a nnu a ll y
. A nn u a l ca lib r a t i o n i s s ug g e s t e d a s thi s i s th e r e qui r ed fr e qu e n c y f

o r s t an d a r d s
. T h i s i s t o e n s u r e t e m p e r a t u r e r ec o r di n g s a r e a c c u r a te
R ec o mm e nd e d: V e ri f

y th e th e rmo m e t e r a g ai n s t a N I S T tr ac e abl e s t an d a r d on a n a nnu al b a s i s wh e n o t h e r in s tru m e nt a tio n i s r e c e rt i f i e d o r r e c a l i b r at e d.
F in d i n g S L 3: T h e r e i s in s u ff i c i e nt do c u m e n t at io n i n l o g boo k e ntri e s i n th e o z one S t and a r d s L abo r at o r y. Di s c u s s io n: A c c u r a t e an d c o m pl e t e r ec o r di n g o f l o g boo k e n t ri e s i s e ss e nt i a l i f the lo g boo k i s to s uppo r t qu a l it y a s s u r a n c e i n f o rm a tion

. S om e logboo k e ntri e s w e re in c omp l e t e
. F o r e x a mpl e , th e o n l y r e c o r d o f z e r o and s p a n w a s f ound on th e c h a

rt r e c o r d e r
. D o c u m e n t at io n s houl d in c lud e a n a l y ze r id e nti f i c a tion , d at e , ca lib r a t i on s t and a r d u s e d an d i t s tr ac e abi l i t y , id e nt i f i c at i on o f c a l i b r a tio n e qu i pm e nt u s e d , the76

ind i vidu a l c ondu c tin g th e s p an c a li b r at i on , th e u n a dju s t e d z e r o and d ri f t s p a n r e s pon s e s, th e a dju s t e d z e r o a nd s p a n r e s pon s e s , ca l i b r at i o n e qu at i on ( s ) ( an d c u r v e , i f p r e p ar e d ). Qu a l it y c on t r o l c h a

rt s h e l p t o g r ap hi c a l l y r e c o r d a n d tr a c k ca l i b r at i o n r e s u l t s ( s ee c om m e nt 5 b e low )

. Z e r o and s p an do c u m e nt a t i o n s hould b e m a int a in e d i n a c e ntr a l f ile an d at t h e moni t o rin g s it e
. T h e I n s tru m e n t c e rt i f i ca t i o n a n d m ai n t e n a n c e l o g a l s o h ad in f o rm at i on g a

p s , f o r e x a m pl e e n tri e s h a d no s t a f f n am e s a s s o c i a t e d wi t h th e m fr om 1989 to p r e s e n t.
R ec o mm e nd a t io n: C omp l e t e an d f ull d e s c ri pt i on s o f wh a t w a s p e rf o rm e d , b y whom, wh e n , e t c
. s hou l d b e d o c um e n t e d i n lo g book s o r lo g s h ee t s.
F in d i n g S L 4: C a l i b r a ti o n o f th e p ri m a r y f low s t a nd a

r d s b r o u g h t i n b y A R B s t a f f or Di s tri c t do e s no t a lw a y s o c c u r on an a nnu a l b a s i s
. T h e r e i s no tr a c kin g b y th e S t a nd a rd L ab o r at o r y t o e n s u r e D i s t ri c t o r A R B f low s t a n d a

r d s a r e ann u a l l y r e c e rt i f

i e d.
Di s c u s s io n: 40 C F R P a

r t 50 , Ap p e ndi x L , S e c t i on 9

. 2

. 2 a n d Volu m e I I , P a rt 1 , QA H andboo k f

o r A i r P ol l ution M e a s u r e m e n t S y s t e m s , Ambi e n t Ai r Q u a li t y M oni t o ring P r o g r am , Q u a l it y S y s t e m D e v e l opm e nt , E P A 454/R

- 98

- 004 , A u g u s t 1998 r e qu i r e s t h at th e p ri m ar y f

l o w s t an d ar d b e c a l i b r a t e d annu a l l y
. F o r th e Ai r M oni t o rin g No rth s it e , the G r a s e b y v a

ri a bl e o ri f i c e , b a r c o d e 107 3 76 , s n 53 4 6 w a s b r o u g h t i n f o r c e r t i f i c a tion on 02/25 / 04 , 01/1 9 /0 6 and 07/18 / 07

. T hi s c a l i b r a tion s c h e du l e do e s n o t m ee t r e g u l a to r y or h andboo k r e qui r e m e nt s.
R ec o mm e nd a t io n: A R B F i e ld s t a f f an d Di s tri c t s n e e d to b ec o m e m o r e f a m i li a r wi t h 40 C F R P a rt 50 r e c e rt

/r e c a l r e qui r e m e n t s
. T hi s s t e p s hould b e in c lud e d i n a S t and a rd Op e r at in g P r o c e d u r e ( S O P ) f o r c a l i b r a tion s t o e n s u r e th a t th e y a r e p e rf o r m e d on an annu a l o r m o r e fr e q u e n t b a s i s ( wh e n d e v i at i on s o cc u r b e f o r e s c h e du l e d r e c a li b r at i on ).
A m e t ho d f

o r tr a c ki n g th e s ubm i s s i on o f f l o w s t and a

r d s f o r r e c e r t i f i c a tio n a nd c a lib r a t i on s hou l d b e d e v e lop e d t o e n s u r e th e s t an d a r d s a r e r e c e rti f i e d on a r e g ul a

r b a s is o r r e ca l i b r at e d i f n e ce s s ar y
. A c ompu t e r g e n e r a t e d r e min d e r t o A R B s i t e s an d D i s t ri c ts m i g ht b e h e l p f

ul.
F in d i n g S L 5: M a nom e t e r s w e r e no t c a lib r a t e d s e p a r a t e l y f r o m tr a n s f

e r s t a nd a r d s. Di s c u s s io n: M a nom e t e r s a r e o f t e n c h an g e d ou t , a nd s e p a r at e d fr o m th e t r a n s f

e r s t and a rd th a t w a s s e n t i n f

o r c e rt i f i c a t i on
. A s t hi s app e ar s t o b e c om m on p r a c ti c e , m ano m e t e rs s hould b e ca l i b r a t e d s e p a r at e l y t o e n s u r e th a t i f th e y a r e e x c h a n g e d , t h e r e i s a r ec o r d t h at th e i n s t rum e nt s a ti s f

i e s c e r ti f i cat i o n c ri t e ri a.
R ec o mm e nd a t io n: Al l m a nom e t e r s s hou l d b e c a l i b r at e d s e p a r a t e l y.
F in d i n g S L 6: T h e c ontr o l c h a rt s f o r H i Vo l f

l o w s t a nd a

r d w a s a bov e t w o s t a nd a

rd d e v i at i on s fr o m S e p t e m b e r 2005 a n d r eac h e d th r ee s t a nd a r d d e v i at i on s in J anu ar y 2006 b e f o r e c o r r e c ti v e m ea s u r e s w e r e t ak e n to b ri n g th e s itu at i on b a c k in t o c ontr ol.77

Di s c u s s io n: I t i s c om m e nd a b l e t h e S t and a

r d s L a b o r at o r y p r od u c e s c on t r o l c h a rt s to e v a lu a t e i t s own p e rf

o rm a n ce
. A s A R B i s e x p e c t e d t o e s t a bl i s h a n d m ain t ai n “ the s t and a r d ” f o r u s e i n ca lib r a t i n g D i s t ri c t s an d A RB

- M L D f l ow s t an d ar d s , th e S t an d a r ds L ab o r at o r y s hou l d m ain t ai n i t s p ri m a r ys t an d a r d r unn i n g a s c l o s e t o o n e s t a nd a rd d e v i at i o n a s po s s i bl e
.. R ec o mm e nd a t io n: C ont i nu e to p r odu c e c ontr o l c h a rt s to s e l f a ss e s s a n d m oni t or p e rf o rm an c e
. W h e n c h a

r t s s ho w c ontr o l s at 2 s t and a r d d e vi a tion s , c h e c k s s hou l d be p e rf o rm e d t o c o r

r e c t th e p r ob l e m
.. F in d i n g S L 7: T h e S t a n d a r d s L a b ' s H i g h Volu m e O ri f

i c e C a l i b r at i o n W o rk S h ee t i s not a l w a y s f i l l e d o u t c ompl e t e l y
. A s p e r t h e l o g book s , t h e p e r s on p e rf o rm in g c a l i b r at i on s f

or th e o z on e s t and a

r d s do e s n o t s i g n h e r

/hi s n a m e. Di s c u s s io n: T o e n a

b l e ca lib r a t i o n t r a c ki n g , t h e wo rk s h e e t s ho u ld b e c ompl e t e d, p a rt i c u l a r l y n o t in g w h i c h R oot s m e t e r i s u s e d to p e rf o rm ca l i b r at i o n an d who p e rf o rm ed th e c a l i b r at i on o f t h e o z o n e s t a nd a r d s.
R ec o mm e nd a t io n: Al l S t and a r d L a bo r a to r y wo r k s h e e t e ntri e s s hould b e c omp l e t e d, in c lud i n g i d e nt i f

i c a t i o n o f th e p a

r t y m a ki n g th e e nt ri e s.
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. a r e no t a lw a y s o p e n ed upo n r e ce i pt.
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. 48879 , O c t ob e r 3 , 2006 and 47162 , J u l y 12 , 2006 ) i n d i c a t e th a t th e p ri m a r y s t and a r d w a s o u t o f t ol e r a n c e
. Res u l t s of r e ca l i b r a tion s ho u ld b e op e n e d a n d r e vi e w e d u p o n r e c e ipt

. Out o f t ol e r a n ce d e t e rm i n at i on s m a y imp ac t Di s tri c t an d A R B g e n e r a t e d d a t a th a t h a s b ee n s ubm i t t e d to A Q S

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. W h e r e o u t of to l e r an c e i n c id e n t s w e r e r e vi e w e d b y D H I n s tru m e nt s t h e c o m p an y c o n c lud e d th e r e w as n o e x p e c t e d i m p a c t on d a t a q u a li t y.
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o r r e v i e w bu t w i l l b e m a int a in e d i n t h e f utu r e ( s e e c omm e nt 9 ).
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. D e v e l op p r o c e du r e s t o i s s u e d a t a im p ac t n o t i c e s , a s ap p r op r i a t e.
F in d i n g S L 9: T h e S t a n d a r d L abo r at o r y d o e s no t m a int a i n c a lib r a t i on v e r i f i c a t i on r e c o r d s i t p e rf

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r d w a s i n c ri t e ri a b y A R B

- M LD

. T he f a c t th at t h e S t and a r d s L a bo r at o r y v e r i f i e s a s t an d a r d t h at h a s b e e n r ec a l i b r a t e d i s a c om m e nd a

b l e.
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F in d i n g S L 10: T h e r e i s no b a c ku p t o t h e s t an d a l o n e D B A S E d at a b a s e s e r v e r th at m a int a in s r ec o r d s f

r o m r e s ul t s o f c a l i b r a tion s p e rf o rm e d at Di s tri c t an d A R B

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t w ar e t o m i nimi z e t h e pot e nt i a l t o l o s e e l e c tr on i c c a lib r a tio n r e c o r d s.
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e lo c a t i o n , pot e nt i a l ly i n AD A M.
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r d c o p y r ec o r d s o f c h an g e s m a d e t o D B A S E e l e c tr oni c d a t a ( s ee c om m e n t S L 1 0 abo v e ) ar e no t e a s il y a c c e ss ibl e. Di s c u s s io n: T h e d at a

b a s e o f c a li b r at i on s o f D i s t ri c t a n d A RB

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r y
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F in d i n g O P A 1: O P A ’ s Q A a udi t r ol e i n t h e o r g a ni z at i o n i s und e r ut i l i z e d an d c ou l d be mo r e e ff e c tiv e. Di s c u s s io n: O P A ’ s h a s c ondu c t e d qu a li t y c ontr o l r e vi e w an d m e thod d e v e l opm e nt r e v i e w s o f th e No rth e rn a n d S ou t h e rn L a b o r at o r y P r o g r am
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e c t i v e n e s s o f t h e e x i s t i n g QA s y s t e m.
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j e c t Pl an ( Q A P P) , b u t t h e r e i s a p r oto c ol d e v e lop e d s p e c i f i c a l ly f o r th e S P M.
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............ ... ...... ... ............ ... ..................... ... T e nt a tiv e l y I d e n ti f i e d C o mpound T S A............

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............ ... ..................... ... ........................ ... . . Vol a t i l e O r g a ni c C o m pound83 

## AP P E N D I X A
S U M M A R Y O F R E P O RT F I N D I N GS84

M AJ O R F I N D I N GS
F in d i n g M 1: T h e A R B P ri m a r y Q u a l it y A s s u r an c e O r g ani z at i on do e s no t m ee t t he r e qu i r e m e n t s in 40 C F R P a r t 58 , App e nd i x A , S ec t i on 3

. 1 f o r it s d e p e n d e n t Di s tri c t s.
F in d i n g M 2: T h e r e i s n o c e n t r a l o r g a ni za tio n th at e n s u r e s D i s t ri c t s a r e a w a r e o f a nd f ol l o w c h an g e s t o th e Q AM anu a l a n d r e l a t e d S O P s.
F in d i n g M 3: T h e A R B P QA O h a s a c o rr e c t i v e ac tion p r o c e s s i n it s Q A M a nu a l , bu t i t is not b e i n g appl i e d out s id e th e Qu a li t y M an a g e m e n t B r a n c h ( Q M B ) p e rf o rm an c e a udit p r og r a m.
F in d i n g M 4: T h e A R B c ol l ec t s e nv i r onm e nt a l d a t a f o r E P A d e c i s io n m a kin g th a t is f und e d i n whol e o r p a

rt b y E P A b u t i s not s u b

j e c t t o th e r e q u i r e m e n t s o f t h e A R B a nd E P A qu a l it y a s s u r a n c e p r o g r a m s.
F in d i n g M 5: D i s tr i c t s th a t a r e p a rt o f th e A R B P QA O c o ll e c t d at a f o r E P A d e c i s ion m a kin g and/ o r ar e f

und e d b y E P A th a t i s no t q u a l i t y a s s u r e d b y th e A R B P QAO.
F in d i n g M 6: T h e A R B QA M an u a l do e s n o t f ul l y m e e t E P A ’ s Q M P an d Q A PP r e q u i r e m e n t s.
F in d i n g M 7: D a t a ar e n o t v a li d at e d u s in g c on s i s t e nt p r o c e d u r e s.
F in d i n g M 8: E P A c om m e nd s th e A R B M L D f o r p r odu c i n g Q u a li t y A s s e s s m e n t R e po rts an d r e c om m e nd s th at t h e A R B P QA O d e v e l o p a m e c h ani s m to u s e t h e s e r e po rt s t o m a ke s p ec i f i c c o r r e c t i v e a c t i o n s o r oth e r qu a l it y i m p r o v e m e n t s. N ET WOR K M A N A G E ME NT
F in d i n g N M 1: T h e A R B a nnu a l n e t wo rk p l an i n c l ud e s n o t on l y a c t i v e m oni t o ri n g s i t e s, bu t an y mo n ito rin g s i t e th at c oll e c t e d ai r pol l ut i on d a t a i n th e S t a t e o f C a l i f o rni a s in c e the e ar l y 197 0 ' s , wh e th e r

s t i l l in op e r at i on o r n o t.
F in d i n g N M 2: T h e S t o c kt on M S A i n th e S an J o a qu i n V a l l e y Ai r B a s in do e s n o t m e et th e m i ni m u m S LA M S moni t o rin g r e qui r e m e n t s f o r PM 2 .5 . F in d i n g N M 3: T h e M o d e s t o M S A i n th e S an J o a qu i n V a l l e y Ai r Ba s i n d o e s n o t m e et th e m i ni m u m S LA M S moni t o rin g r e qui r e m e n t s f o r PM 2 .5 . F in d i n g N M 4: T h e V i s a li a -P o rt e r vi ll e M S A i n th e S a n J o a qu i n V a l l e y Ai r Ba s in do es no t m e e t th e m i ni m u m S L A M S moni t o ri n g r e qui r e m e n t s f o r o z on e.
F in d i n g N M 5: S om e i n f o rm a tio n i n th e A R B S t at e an d L o ca l Ai r M oni t o rin g N e t w o rk P l an , d at e d J un e 2007 , do e s no t a g r e e with in f o r m at i o n i n t h e E P A AQ S d a t a b a s e o r with lo c a l di s tri c t Annu a l N e t wo rk P l a n s
. T h e s p e c i f i c e x am pl e s not e d i n t h e di s c u s s i on85

r e l at e d t o thi s f

i ndin g m a y o r m a y n o t c on s t i tut e th e a c tu a l to t a l numb e r of in c on s i s t e n c i e s i n t h e 2007 p l an.
F in d i n g N M 6: T h e A R B 2007 N e tw o rk P l an i s no t c omp l e t e wi t h r e s p ec t t o G B UA P CD s i t e s , m oni t o rin g obj e c t i v e s o r moni t o ri n g s ca l e s. O P E R A TI ONS
F in d i n g AQ S B 1: F i e l d o p e r a t o r s do no t a l wa y s do c u m e nt s h ippin g i n f o r m at i on on s a mp l e r e po rt

/ tr a c kin g s h e e t s
. S e e a l s o L a b F ind i n g # IL7
F in d i n g AQ S B 2: S om e A R B M L D mo n ito ri n g S O P s a r e out d at e d a nd/o r in c ompl e t e.
F in d i n g AQ S B 3: T h e u s e o f c o rr e c t i o n f lui d w a s n o t e d on a n M L D ai r mo nito r in g f o rm.
F in d i n g AQ S B 4: A R B M L D d o e s n o t c a l i b r a t e moni t o ri n g e quip m e n t at a l l P QAO s i t e s.
F in d i n g AQ S B 5: S ec on d l e v e l r e vi e w o f c a l i b r a t io n r e c o r d s a n d c a l c u l a tion s i s not r out i n e l y p e rf

o rm e d.
F in d i n g AQ S B 6: T h e l o w e s t o z on e c a l i b r at i o n p oin t i s a t a c on c e ntr a tio n th at i s above th e 8 hou r s t and a

r d.
F in d i n g AQ S B 7: T h e c a l i b r a tio n t e c hn i c i a n n o t e d th a t on l y 2 g a s ph a s e t i tr at i on poin ts a r e u s e d t o v e ri f

y t h e NO 2 c a lib r a t i on.
F in d i n g AQ S B 8: M aint e n a n c e and p e r f o rm a n c e v e ri f

i c a t i on o f z e r o a i r s c rub b e r s u s ed f o r ca l i b r a tion s i s no t d o c um e n t e d.
F in d i n g AQ S B 9: T h e S p e c i a l P u rpo s e M oni t o ri n g S e c t i on s hou l d ke e p E P A i n f o rm ed o f it s m oni t o rin g p r oj e c t s.
F in d i n g AQ S B 10: T h e tr e e s t o th e e a s t o f t h e Fr e s no 1 s t S t r e e t s t at i on b u i l d i n g ar e too c l o s e ( about 15 m e t e r s ) t o t h e inl e t p r ob e an d P M m a nu a l in s tru m e n t s.
F in d i n g AQ S B 11: A t th e S to c kton

- H a z e l t o n m oni t o rin g s t at i on , a l ar g e tr e e t o t h e s o u th o f th e tr a i l e r i s ac tin g a s an ob s t ru c t i o n f o r t h e g a s e ou s pol l ut a nt s a mp l e tr a i n i nl e t a nd th e PM 10 a n d PM 2 .5 s amp l e r s
. T hi s s i t e do e s n o t m e e t th e p r ob e s i t i n g c r i t e r i a in 40 C FR 58 , App e nd ix E

. F in d i n g AQ S B 12: T h e p a l m t r e e n o rt hw e s t o f th e Vi s a li a m onito r in g s t at i o n i s w i t h in 1 0 m e t e r s o f th e i nl e t p r o b e.
F in d i n g S J V 1: T h e S an J o a qui n V a l l e y A P C D do e s n o t h a v e Di s tri c t s p e c i f i c S O Ps a dd r e s s in g t h e op e r a tio n an d m a in t e n an c e o f i t s a i r pollut i o n moni t o ri n g n e two rk.86

F in d i n g S J V 2: T h e S J V A P C D f i e ld op e r a to r s d o no t m a in t ai n z e r o a nd s p an or p r e c i s io n c h e c k c on t r o l c h a rt s.
F in d i n g S J V 3: St at i o n an d i n s t rum e n t lo g book s ar e no t r e vi e w e d b y th e S up e r v i s i n g A ir Qu a l it y I n s t rum e n t T e c h ni c i an.
F in d i n g S J V 4: T h e r e i s n o c u rr e n t c on s i s t e n t p r o c e du r e i n p l a c e f o r ar c hi vi n g a l l s t a tion r e c o r d s.
F in d i n g S J V 5: A t th e B ak e r s f i e ld

– G ol d e n S t at e Hi g h w a y s i t e , th e ar e a s u rr ound i n g the tr a i l e r wh i c h hou s e s th e m onito r in g e qui p m e n t i s not s t a b l e.
F in d i n g N S 1: T h e N S AQ M D f i e l d t e c hni c i an s h a v e in s tr um e n t m anu a l s bu t no S O P s. T h e A R B S O P s ar e k e p t at t h e D i s t ri c t ’ s m a in o ff i c e i n G r a s s V a ll e y , no t at f i e lds t at i on s. Addi t ion a ll y , t h e D i s t ri c t o p e r a t i on s d e vi at e fr o m th e A R B S O P s but do n o t do c u m e nt tho s e d e v i at i on s.
F in d i n g N S 2: T h e N S AQ M D r e c o r d

- k e e pi n g p r o c e du r e s s houl d b e m o r e r i g o r ou s.
F in d i n g N S 3: T h e N S AQ M D e x p e r i e n ce s s i gni f i c a n t o z o n e d at a l o s s du e t o a l a c k of s p a r e p art s.
F in d i n g N S 4: A R B

- p e rf o rm e d a udi t s o f t h e N S A Q M D P M in s tru m e nt s do no t c on f o rm t o C F R r e qui r e m e nt s
. A ddi t ion a l l y , th e N S AQ M D s t at e d th at t h e A R B d o e s not p e rf o rm th r oug h t h e p r ob e audi t s o f N S AQ M D o z on e mo n ito r s.
F in d i n g N S 5: T h e r e i s n o f e e d b a c k fr o m th e A R B on r e s ult s o f P M f i l t e r s
. S e e a l so L ab o r at o r y F i ndin g # I L8
F in d i n g N S 6: T h e mo s t r e ce n t A R B s i t e s u r v e y r e po rt w a s n o t a c c u r at e.
F in d i n g N S 7: T h e r e a r e tr e e s wi t hin 20 m o f moni t o r s.
F in d i n g G B 1: G r e at Bas in op e r a t e s an ind e p e n d e n t moni t o rin g , l a bo r a to r y an d QA p r og r a m fr o m th a t o f A R B.
F in d i n g G B 2: G B U A P C D ’ s tr a inin g p r o g r a m ( a Q A f un c t i on ) i s i nd e p e n d e n t a nd s e p a r a t e fr o m th at o f A R B.
F in d i n g G B 3: L o g boo k s w e r e not up to d a t e o r s ign e d b y t h e G B UA P C D op e r a to r s at a l l s t a t i on s.
L A B ORA T OR Y O PE R A TI ONS
I n o r ga n i c L a b o r a t o ry87

F in d i n g I L 1: T h e M LD w e i g h s e s s i on s h a v e b e e n aut o m at e d i n a m an n e r t h at r e du c es th e po s s ibi l i t y o f o p e r a t o r e rr o r.
F in d i n g I L 2: M a s s d e t e r m i n at i on o f PM 10 f i lt e r s s houl d in c lud e bl a n k c o n tr o l s.
F in d i n g I L 3: T e mp e r a t u r e a nd humid it y m ea s u r e m e nt s i n t h e w e i g h r o o m s a r e on ly log g e d o n a p a

p e r c h art a n d a

r e no t f o rm a ll y an a l y ze d t o d e t e r min e c ompl i a n c e w i th r e g u l at o r y c rit e r i a.
F in d i n g I L 4: T h e PM 10 l a bo r a to r y on l y r e c e nt l y s t a r t e d a l o g boo k t o tr ac k v e r i f i c a t i on o f “ wo rki n g ” m a s s s t an d a r d s.
F in d i n g I L 5: S e v e r a l a d di t ion a l i m p r ov e m e nt s c ould b e m a d e t o th e PM 2 .5 w e i g h ing p r o c e s s.
F in d i n g I L 6: T h e PM 10 a n d PM 2 .5 do c u m e n t at i o n a n d a r c h iv e d f i l t e r s w e r e w e ll o r g an i ze d a n d e a s i l y tr a c k e d.
F in d i n g I L 7: F i e l d o p e r at o r s do n o t a lw a y s d o c u m e nt s h i ppin g in f o rm at io n on t h e ir s a mp l e r e po rt

/ tr a c kin g s h e e t s
. S e e a l s o O p e r a t i o n s F indi n g #A Q S B 1.
F in d i n g I L 8: A lo c a l Di s tri c t s t at e d th at t h e r e w a s l ac k o f s u ff i c i e n t f ee d b a c k fr o m t he A R B on out c om e o f P M f i l t e r s
. S e e a l s o O p e r at io n s F ind i n g # N S 8.
O r ga n i c L a b o r a t o ry Al d e y d e s a n d M e t h y l E t h y l K e t o n e ( ME K ) b y H i g h P e r f o r m a n c e L i q u id C h r o m a t og r a p h y ( H P L C)
F in d i n g O L 1: A s e c ond s o u r c e q u a li t y c ontr o l s t a nd a r d i s no t b e i n g an a l y ze d as r e q u i r e d b y th e m e thod

. An a l y s i s o f a s e c ond s t a n d a r d i s b e i n g p e r f

o rm e d , bu t t he s t and a r d i s not p r e p ar e d f

r o m a s ec onds t a nd s o u r ce b u t r a th e r i s p r e p ar e d a s a di l ution of th e s am e s t and a

r d s o lut io n t h at i s u s e d t o p r e p a r e t h e w o r ki n g ca l i b r a tion s t and a r d s.
F in d i n g O L 2: Audi t s ampl e s a r e n o t b e i n g an a l y z e d.
F in d i n g O L 3: F i e ld bl a nk s a r e n o t b e i n g an a l y z e d

. S a mpl e r e s ult s a r e b e i n g c o rr e c t ed f o r b ac kg r oun d c ont a mi n a t i on b a s e d on an a v e r a g e b a c k g r oun d c on t am i n at ion o f 0

. 3 μg/ c art rid g e d e t e rmi n e d f r o m a f i e l d b l ank s t u d y p e r f

o rm e d b y M L D 1 5 y e ar s a g o
. It is th e un d e r s t and in g o f th e a udi t t e a m th at f i e ld bl an k s h a v e n o t b e e n d e pl o y e d f o r 1 5 y e a r s.
F in d i n g O L 4: T h e l abo r at o r y i s not u s i n g an int e r n a l s t a nd a r d m e t hod o f a n a l y s i s as d e s c ri b e d b y t h e m e thod

. T h e l abo r a to r y i s c u r r e n t l y u s in g th e e x t e r n a l s t a nd a r d m e thod o f s t a nd a r d i za tion.88

F in d i n g O L 5: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.
H e xaval e n t C h r o m i u m b y I o n C h r o m a t og r a p h y ( I C)
F in d i n g O L 6: Audi t s ampl e s a r e n o t b e i n g an a l y z e d

. T h e audi t t e a m w a s to l d t h at the A R B Q A D e p a

rt m e n t s u g g e s t e d th e d e p art m e n t ini t i at e it s o w n s y s t e m o f audi t s a mple an a l y s i s.
F in d i n g O L 7: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.
F in d i n g O L 8: I t i s not e d t h at th e l a bo r a to r y i s lo okin g in t o t h e pu r c h a s e o f an a ddi t io n al I C in s trum e nt.
F in d i n g O L 9: S e c ond a

ry r e vi e w o f i n s t rum e n t l o g book s i s not b e in g do c u m e nt e d.
A r o m a t i c a n d Halo g e n a t e d Hy d r o c a r b o n s b y G a s C h r o m a t og r a ph y/ M a ss S p e c t r o m e t r y ( G C / M S)
F in d i n g O L 10: Dupl i c a t e s am pl e s a r e b e in g a n a l y z e d and p r e s e nt e d a s t a b u l at e d r e s ults in qu a rt e r l y Q A r e po rt s , bu t c on t r o l c h a rt in g i s on l y o c c a s i on a l l y p e r f o rm e d.
F in d i n g O L 11: T h e G C /M S i s not v e n t e d to out s id e th e f a c i li t y.
F in d i n g O L 12: S e c ond ar y r e v i e w o f in s trum e n t lo g book s i s no t b e in g d o c u m e nt e d. Oxyg e n a t e d H y d r o c a r b o n s a n d N i t r i l es
F in d i n g O L 13: Audi t s ampl e s a r e n o t c u rr e n t l y b e i n g a n a l y z e d.
F in d i n g O L 14: T h e G C /M S S at u rn D i s a n e w in s tru m e n t th a t w a s b r o u g ht o n
- l i n e in Ap ril , 2007

. It i s b e i n g u s e d t o g e n e r a t e d a t a , bu t a n M D L s t u d y h a s not b e e n p e r f o rm ed and do c u m e n t e d.
F in d i n g O L 15: T h e M L D 066 m e tho d i s b a s e d o n t h e T O

- 1 5 m e t hod , wh i c h d e s c r i b es an d in t e rn a l s t a nd ar d m e t hod o f c a l i b r a tion

. T h e l a bo r a to r y i s u s i n g an e xt e rn a l m e t hod o f s t a nd a r d i za tion ; i nt e rn a l s t and a

r d s ar e n o t b e i n g u s e d.
F in d i n g O L 16: S e c ond ar y r e v i e w o f in s trum e n t lo g book s i s no t b e in g d o c u m e nt e d.
F in d i n g O L 17: M a s s c a l i b r at i o n i s p e r f o rm e d u s i n g p e rf

l uo r otri bu t y l am in e (F C

- 4 3 ), bu t c on f i rm a tio n th a t tun i n g abun d an c e c ri t e ri a h a v e b e e n m e t i s n o t b e i n g v e ri f i ed th r oug h t h e a n a l y s i s o f 1

- b r omo
- 4 f l uo r ob e n z e n e ( B F B )

. It i s t h e un d e r s t and in g o f t he audi t t e a m th a t t e n t at i v e l y i d e nt i f i e d c ompound s a r e no t r out i n e l y b e i n g r e p o rt e d with th is m e thod.
F in d i n g O L 18: T h e G C /M S i s not v e n t e d to out s id e th e f a c i li t y.89

Ca n i s t e r Cl e a n i n g & C e r t i f i c a t i on
F in d i n g O L 19: L a

bo r a to r ys t a ff

s t at e d th a t c a n i s t e r s a

r e r a ndo m l y s e l ec t e d f

or c e rt i f i ca t i o n t e s tin g
. T h e s t a ff do e s n o t c on s id e r w hi c h c a ni s t e r s h a d th e h i gh e st c on c e n t r at i on s o f c on t ami n an t s in d e c idin g whi c h c a ni s t e r i n a b a t c h t o t e s t f or c l e a nlin e s s c e rt i f

i c a t i on.
F in d i n g O L 20: C ani s t e r s a r e n o t v e nt e d in hood s a n d a r e v e nt e d t o a mb i e n t ai r.
F in d i n g O L 21: T h e l abo r at o r y h a s no t e s t abl i s h e d a r e t e ntio n t i m e f o r cani s t e r s a f

t er th e y h a v e b ee n c e rt i f

i e d

. T h e l abo r at o r y r e l i e s on t h e c a ni s t e r p r e s s u r e g a u g e r e a di n g as an ind i c a tio n th e c a ni s t e r s h a v e no t l o s t v a c uu m.
D A T A M ANAG E M E NT
F in d i n g D M 1: T h e d at a v a l i d at i o n a n d r e vi e w/v e ri f i c a t i on p r o c e du r e s f

o r th e Air Qu a l it y S u r v e i l l an c e B r a n c h a r e no t f o rm a l l y publ i s h e d i n a c ontr o l

- c op i e d S O P.
F in d i n g D M 2: T h e d a t a v a l i d a tio n and d at a r e v i e w/v e r i f i c at i on p r o ce du r e s f

o r the No rth e r n L a

b o r a to r y B r a n c h a

r e no t f o rm a l l y publ i s h e d i n c ontr o l

- c op i e d S O P s.
F in d i n g D M 3: T h e d at a v a l i d at i o n a nd d at a r e vi e w / v e ri f i c a tion p r o c e du r e s f

o r t h e A ir Qu a l it y D a t a S e c tio n a

r e no t f o rm a ll y publ i s h e d i n a c o n tr ol

- c op i e d S O P.
F in d i n g D M 4: E P A w a s n o t giv e n a c ce s s t o s p ec i a l p r o j e c t s d a t a m a n a g e m e n t a c t i vi t i es t o r e v i e w
. I t i s no t c l e a r th a t Q A p r o c e du r e s a r e b e i n g appli e d t o a l l p r o j ec t s r e ce i vi ng f e d e r a l f und in g.
F in d i n g D M 5: T h e A Q D S d o e s no t e n s u r e th a t l o c a l Di s tri c t d at a a r e v a l i d at e d p rio r to uplo a d t o AQ S.
F in d i n g D M 6: Amb i e n t m onito ri n g d at a s ubm i tt e d t o t h e A Q S d at ab a s e b y t h e A RB P QA O i s not b e i n g c e rt i f i e d a nnu a l l y.
F in d i n g D M 7: A R B d o e s no t r e vi e w G B UA P C D ’ s d a t a p rio r t o i t s b e in g u p l o a d e d to A Q S.
F in d i n g D M 8: Annu a l c e rt i f i c a t i on o f th e G B UA P C D ’ s moni t o rin g d at a i n A Q S i s not b e i n g do n e.
F in d i n g D M 9: V a l i d c o n c e ntr a t i on d a t a f o r th e Y r e k a PM 2 .5 mo n i t o r ( A Q S # 0 6

- 093- 2001 ) h a v e n o t b e e n s u b m i t t e d t o th e AQ S d at a b a s e s in c e D e c e m b e r 2006.
F in d i n g D M 10: T h e AQ S d at ab a s e id e nti f i e s th e S i s ki y o u C ou nt y A P C D a s i t s own P QA O.90

F in d i n g D M 11: T h e L a k e po rt PM 10 s it e h a s no t r e po rt e d PM 10 d at a c o rr ec t l y t o A QS s i n c e M a r c h 2 001. QUA L I T Y A S S UR A NCE
F in d i n g Q M 1: T h e M L D do e s n o t h a v e c e ntr a l , i n d e p e n d e n t au t ho ri t y i n t he o r g an i za tio n to p r ov i d e di r e c t i o n a n d r e c om m e nd a t i on s t o th e d a t a c o ll e c t i on , p r odu c tion, and v e ri f i ca t i on p r o g r a m s.
F in d i n g Q M 2: T r a in i ng , whil e i n p l a c e f o r th e A R B M L D , do e s n o t n e c e ss a ril y e x t e nd t o a l l s t a f f a n d t h e A R B P QA O D i s t ri c t s
. S e e a l s o F ind i n g M 1.
F in d i n g Q M 3: S om e Di s tri c t s do not h a v e a c e n t r a l , ind e p e nd e n t , d e d i c a t e d qu a l ity a s s u r an c e m an a g e r

/ o ff i c e r r e s pon s i bl e f

o r c om m uni c a t i n g an d e n s u ri n g th a t qu a l ity a s s u r an c e a c t i vi t i e s a

r e c a r r i e d o u t i n f

i e ld op e r a t i on s an d in f

o rm at i o n m an a g e m e n t.
F in d i n g QA1: T h e Q A S do e s no t a s s u r e th a t s i t e s t h at f a il p e rf o rm an c e au di t s a

r e r et e s t e d a f t e r a c o rr e c t i v e ac t i o n i s i m pl e m e n t e d.
F in d i n g QA2: T h e Q A S h a s e x p e r i e n ce d a h i g h s t a f f tu rno v e r i n r ece n t y e a

r s , whi c h h as i m p a c t e d th e l e v e l o f in s t i t ut i on a l kn o wl e d g e i n th e s e c tio n an d i m p a c t e d i t s a bi l i t y to p e rf o rm a udi t s.
F in d i n g QA3: S y s t e m a udit s o f l o ca l Di s tri c t s b y QA S a n d t h e S t at i on a r y S ou r ce Divi s io n a

r e o n l y c ondu c t e d b y r e qu e s t o r o n an a s n e e d e d b a s i s.
F in d i n g QA4: A R B M L D d o e s not p e rf o rm r out i n e au d it s o f d a t a q u a l it y.
F in d i n g QA5: In t e rn a l a udi t s a r e n o t c ond u c t e d o n A R B

- M L D ’ s a n d Di s tr i c t s d ata m a n a g e m e n t , r e du c t i o n a n d r e vi e w p r o c e s s.
F in d i n g QA6: T h e A RB ’ s M L D d o e s no t r out i n e l y c ondu c t mo n th l y ( d a y
- to

- d a y) c h e c k s o f a l l th e p r e c i s io n an d a c c u r ac y o f d a t a b e i n g uplo a d e d b y th e l o c a l D i s t ri c t s to th e AQ S d at a

b a s e.
F in d i n g QA7: T h e A R B Re po rti n g O r g an i za tio n ( R O ) i s no t a b l e t o a cce s s th e AQS a c c oun t s o f D i s t ri c t s th a t a r e p art o f th e A R B P Q A O b u t s e r v e a s th e i r o w n R O f o r the pu r po s e s o f upl o a di n g d a t a t o th e E P A AQ S d a t a b a s e.
F in d i n g S L 1: T h e r e i s no p r o c e du r e in pl ac e to not i f y Qu a li t y A s s u r a n c e o r F i e l d Audit s t a ff o f f a il u r e , i

. e
. , th e p o t e nt i a l t h at d at a fr o m th e p e r iod p rio r t o th e c u r r e n t c a lib r a t i on c h e c k m i ght b e r e

j e c t e d i f t r an s f

e r an d f low s t and a r d s f

ai l ca l i b r a tion.
F in d i n g S L 2: T h e t h e rmo m e t e r i n t h e S t and a r d s L ab o r at o r y n ee d s to b e v e r i f i e d w i th ano t h e r N IS T t r ac e a

b l e s t and a

r d.91

F in d i n g S L 3: T h e r e i s in s u ff i c i e nt do c u m e n t at io n i n l o g boo k e ntri e s i n th e o z one S t and a r d s L abo r at o r y.
F in d i n g S L 4: C a l i b r a ti o n o f th e p ri m a r y f low s t a nd a

r d s b r o u g h t i n b y A R B s t a f f or Di s tri c t do e s no t a lw a y s o c c u r on an a nnu a l b a s i s
. T h e r e i s no tr a c kin g b y th e S t a nd a rd L ab o r at o r y t o e n s u r e D i s t ri c t o r A R B f low s t a n d a

r d s a r e ann u a l l y r e c e rt i f

i e d.
F in d i n g S L 5: M a nom e t e r s w e r e no t c a lib r a t e d s e p a r a t e l y f r o m tr a n s f

e r s t a nd a r d s.
F in d i n g S L 6: T h e c ontr o l c h a rt s f o r H i Vo l f

l o w s t a nd a

r d w a s a bov e t w o s t a nd a

rd d e v i at i on s fr o m S e p t e m b e r 2005 a n d r eac h e d th r ee s t a nd a r d d e v i at i o n i n J anu a

r y 2006 b e f o r e c o r r e c ti v e m ea s u r e s w e r e t ak e n to b ri n g th e s itu at i on b a c k in t o c ontr ol.
F in d i n g S L 7: T h e S t a n d a r d s L a b ' s H i g h Volu m e O ri f

i c e C a l i b r at i o n W o rk S h ee t i s not a l w a y s f i l l e d o u t c ompl e t e l y
. A s p e r t h e l o g book s , t h e p e r s on p e rf o rm in g c a l i b r at i on s f

or th e o z on e s t and a

r d s do e s n o t s i g n h e r

/hi s n a m e.
F in d i n g S L 8: C a l i b r a ti o n r e c o r d s fr o m D H I n s t ru m e n t s , I n c
. a r e no t a lw a y s o p e n ed upo n r e ce i pt.
F in d i n g S L 9: T h e S t a n d a r d L abo r at o r y d o e s no t m a int a i n c a lib r a t i on v e r i f i c a t i on r e c o r d s i t p e rf

o rm e d on i n s t rum e n t s r e c a lib r a t e d b y D H I n s trum e nt s.
F in d i n g S L 10: T h e r e i s no b a c ku p t o t h e s t an d a l o n e D B A S E d at a b a s e s e r v e r th at m a int a in s r ec o r d s f

r o m r e s ul t s o f c a l i b r a tion s p e rf o rm e d at Di s tri c t an d A R B

- M L D s it e s.
F in d i n g S L 11: H a

r d c o p y r ec o r d s o f c h an g e s m a d e t o D B A S E e l e c tr oni c d a t a ( s ee c om m e n t S L 1 0 abo v e ) ar e no t e a s il y a c c e ss ibl e.
F in d i n g O P A 1: O P A ’ s Q A a udi t r ol e i n t h e o r g a ni z at i o n i s und e r ut i l i z e d an d c ou l d be mo r e e ff e c tiv e.
F in d i n g O P A 2: S p e c i a l P u r po s e M oni t o rin g ( S P M ) p r oj e c t s a r e no t i m pl e m e n t e d und er a Qu a l it y A s s u r an c e Pr o

j e c t Pl an ( Q A P P) , b u t t h e r e i s a p r oto c ol d e v e lop e d s p e c i f i c a l ly f o r th e S P M.92 T hi s p a g e int e nt i on a l l y l e f t b l a nk93 

## AP P E N D I X B
C AL I F OR N I A M E T R O P O L I T A N S T AT I CA L AR E A S A ND M I N I M U M M ON I T OR I N G REQ U I R E M EN TSM I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: > 10 m illi on 4 2 See Foo t n o te Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m)
G r ea t Ba s i n / B i s h op m sa 17 , 945 17 , 980 0 0 I nyo N o ne G r ea t Ba s i n / N o CBSA* 0 0 M o no N o ne G r ea t Ba s i n / N o CBSA* 0 0 A l p i ne N o ne
La k e C o un t y

/ C l ea r l a k e m sa 58 , 309 65 , 933 0

. 062 0 1 La ke La k epo rt 06

- 033

- 3001 0

. 062
La k e T a h oe / Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 0

. 067 1 0 P l a c e r ( ea s t) N o ne
1 E l D o r ado ( ea s t) So u t h La k e T a h oe - A i r po rt 06

- 017

- 0013 0

. 067
M oj a v e D e s e rt / R i v e rs i de

- Sa n Be r n a r d i n o - O n t a r i o M SA 3 , 254 , 821 4 , 026 , 135 0

. 100 3 5 Sa n Be r n a r d i no Ba rst ow 06

- 071

- 0001 0

. 084 H e s pe r ia 06

- 071

- 4001 0

. 100 P h e l an 06

- 071

- 0012 0

. 098 T r o na 06

- 071

- 1234 0

. 081 V i c t o rv ille 06

- 071

- 0306 0

. 090
1 R i v e rs i de B l y t he 06

- 059

- 0003 0

. 061
M oj a v e D e s e rt / Ba k e rsf i e l d M SA 661 , 645 780 , 117 0

. 086 2 1 2 Ke r n C o un ty M oj a v e - Poo l e S t. 06

- 029

- 0011 0

. 086
M oj a v e D e s e rt / Lo s A n g e l e s- Lo n g Bea c h

- Sa n t a A n a M SA 12 , 365 , 627 12 , 950 , 129 4 0 3 Lo s A n g e l es N o ne
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. Add i t i o n a l ozo n e m o n i t o rs i n t h e Sa n J o q a u i n Va ll e y A i r Ba s i n m ee t t h e r e q u i r ed # o f ozo n e m o n i t o rs. 3

. Add i t i o n a l ozo n e m o n i t o rs i n t h e So u t h C oa s t A i r Ba s i n m ee t t h e r e q u i r ed # o f ozo n e m o n i t o rs. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: > 10 m illi on 4 2 See Foo t n o te Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m) M o un t a i n C o un t i e s / Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 0

. 097 3 1 2 E l D o r ado ( w e s t) P l a c e rv ille 06

- 017

- 0010 0

. 095

11 2 P l a c e r (c e n tr a l) C o l f ax 06

- 061

- 0004 0

. 097
M o un t a i n C o un t i e s / T r u ck ee - G r a ss Va ll e y m sa 92 , 033 98 , 764 0

. 097 0 2 N e v ada G r a ss Va ll e y - L i tt o n B l dg 06

- 057

- 0005 0

. 097 T r u ck ee - F i r e S t a t i on 06

- 057

- 1001 0

. 068
M o un t a i n C o un t i e s / P h oe n i x La k e - C eda r R i d g e m sa 54 , 501 56 , 855 0

. 078 0 1 T u o l u m ne So n o ra 06

- 109

- 0005 0

. 078
M o un t a i n C o un t i e s / N o CBSA* 0 0 P l u m as N o ne
M o un t a i n C o un t i e s / N o CBSA* 0 1 C a l a v e r as Sa n A n d r eas 06

- 009

- 0001 0

. 093
M o un t a i n C o un t i e s / N o CBSA* 0 1 M a r i po sa J e rs e y da le 06

- 043

- 0006 0

. 082
M o un t a i n C o un t i e s / N o CBSA* 0 0 S i e rra N o ne
M o un t a i n C o un t i e s / N o CBSA* 0 1 A m ador J a cks o n - C li n t o n R oad 06

- 005

- 0002 0

. 084
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. Add i t i o n a l ozo n e m o n i t o rs i n t h e Sa cr a m e n t o Va ll e y A i r Ba s i n m ee t t h e r e q u i r ed # o f ozo n e m o n i t o rs. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: > 10 m illi on 4 2 See Foo t n o te Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m)

N o rt h C e n tr a l C oa s t / Sa n J o s e - S unny v a l e - Sa n t a C l a r a M SA 1 , 735 , 819 1 , 787 , 123 0

. 068 2 1 2 Sa n Be n i to H o lli s t er 06

- 069

- 0002 0

. 068
N o rt h C e n tr a l C oa s t / Sa n t a C r u z - W a t s o n v ill e M SA 255 , 602 249 , 705 0

. 062 0 3 Sa n t a C r uz Sa n t a C r u z - So q u e l A ve 06

- 087

- 0007 0

. 055 S c o t s Va ll e y - S c o t s Va ll e y D r. 06

- 087

- 0006 0

. 062

W a t s o n v ille 06

- 087

- 0004 0

. 056
N o rt h C e n tr a l C oa s t / Sa li n a s M SA 401 , 762 410 , 206 0

. 062 1 2 M o n t e r ey C a r m e l Va ll ey 06

- 053

- 0002 0

. 062 Sa li n a s- H i g h S c h ool 06

- 053

- 1003 0

. 056
N o rt h C oa s t / E u r e k a - A rc a t a - Fo rt un a m sa 126 , 518 128 , 330 0 0 H u m bo l dt N o ne
N o rt h C oa s t / U k i a h m sa 86 , 265 88 , 109 0

. 059 0 2 M e n do c i no U k i a h

- E G obb i S t. 06

- 045

- 0008 0

. 059 W ill e t s- M a i n St 06

- 045

- 0009 0

. 046
N o rt h C oa s t / C r e sc e n t C i t y m sa 27 , 507 28 , 893 0 0 D e l N o rte N o ne
N o rt h C oa s t / Sa n t a R o s a - Pe t a l u m a M SA 458 , 614 466 , 891 0

. 055 1 1 So n o m a ( n o rt h) H ea l d s b u rg 06

- 097

- 1003 0

. 055
N o rt h C oa s t / N o CBSA* 0 0 T r i n i ty N o ne

N o rt h ea s t P l a t ea u / M o CBSA* 0 0 S i sk i y ou N o ne
N o rt h ea s t P l a t ea u / M o CBSA* 0 0 M odoc N o ne
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

.

22

. Add i t i o n a l ozo n e m o n i t o rs i n t h e Ba y A r ea A i r Ba s i n m ee t t h e r e q u i r ed # o f ozo n e m o n i t o rs. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: > 10 m illi on 4 2 See Foo t n o te Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m) Sa cr a m e n t o Va ll e y

/ Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 0

. 097 3 2 Yo lo D a v is 06

- 113

- 0004 0

. 074 W ood l a n d

- G i b s o n R oad 06

- 113

- 1003 0

. 079
5 Sa cr a m e n to E l k G r o ve 06

- 067

- 0011 0

. 083 Fo l s o m - N a t o ma 06

- 067

- 0012 0

. 097 Sa cr a m e n t o - A i r po rt R oad 06

- 067

- 0013 0

. 073 Sa cr a m e n t o - D e l Pa s o M a n or 06

- 067

- 0006 0

. 091 Sa cr a m e n t o - T S tr eet 06

- 067

- 0010 0

. 076
2 P l a c e r ( w e s t) A u b u rn 06

- 061

- 0002 0

. 093 R o s e v ille 06

- 061

- 0006 0

. 089
Sa cr a m e n t o Va ll e y

/ C h i c o M SA 203 , 171 215 , 881 0

. 073 1 1 B u tte C h i c o - M a n za n i t a A v e. 06

- 007

- 0002 0

. 073
Sa cr a m e n t o Va ll e y

/ Y u ba C i t y M SA 139 , 149 161 , 806 0

. 075 1 1 S u tt er Y u ba C i ty 06

- 101

- 0003 0

. 075
0 Y u ba N o ne Sa cr a m e n t o Va ll e y

/ R edd i n g M SA 163 , 256 179 , 951 0

. 080 1 2 S h a s ta A n de rs on 06

- 089

- 0007 0

. 079 R edd i ng 06

- 089

- 0004 0

. 080
Sa cr a m e n t o Va ll e y

/ R ed B l u ff m sa 56 , 039 61 , 686 0 0 T e h e ma
Sa cr a m e n t o Va ll e y

/ Va ll e j o Fa i rf i e l d M SA 394 , 542 411 , 680 0

. 074 2 1 2 So l a n o ( ea s t) Va c a v ille 06

- 095

- 3003 0

. 074
Sa cr a m e n t o Va ll e y

/ N o CBSA* 0 1 C o l u sa C o l u s a - S un r i s e B l vd 06

- 011

- 1002 0

. 067
Sa cr a m e n t o Va ll e y

/ N o CBSA* 0 1 G l e nn W ill o w s- C o l u s a St 06

- 021

- 0003 0

. 064
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. Add i t i o n a l ozo n e m o n i t o rs i n t h e Ba y A r ea A i r Ba s i n m ee t t h e r e q u i r ed # o f ozo n e m o n i t o rs. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: > 10 m illi on 4 2 See Foo t n o te Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e

3M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1

M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m) Sa n J oa q u i n Va ll e y

/ Ba k e rsf i e l d M SA 661 , 645 780 , 117 0

. 110 2 7 Ke rn A rv in 06

- 029

- 5001 0

. 110 Ba k e rsf i e l d - CA A v e. 06

- 029

- 0014 0

. 099 Ba k e rsf i e l d

- G o l de n S t a t e H wy 06

- 029

- 0010 0

. 088 Ed i s on 06

- 029

- 0007 0

. 100 M a r i c opa 06

- 029

- 0008 0

. 089 O il da le 06

- 029

- 0232 0

. 097 S h a ft er 06

- 029

- 6001 0

. 089
Sa n J oa q u i n Va ll e y

/ F r e s n o M SA 799 , 407 891 , 756 0

. 098 2 5 F r e s no C l o v is 06

- 019

- 5001 0

. 091 F r e s n o - 1 s t S t. 06

- 019

- 0008 0

. 098 F r e s n o - D r u mm o nd 06

- 019

- 0007 0

. 087 F r e s n o - S i e rr a S k y pa rk 06

- 019

- 0242 0

. 096

Pa r li er 06

- 019

- 4001 0

. 092
Sa n J oa q u i n Va ll e y

/ M ade r a M SA 123 , 109 146 , 345 0

. 078 1 1 M ade ra M ade r a - P u m p Ya rd 06

- 039

- 0004 0

. 078
Sa n J oa q u i n Va ll e y

/ S t o ck t o n M SA 563 , 598 673 , 170 0

. 093 2 2 Sa n J oa q u in S t o ck t o n - H aze l t o n S t. 06

- 077

- 1002 0

. 076 T r a c y A i r po rt 06

- 077

- 3005 0

. 093
Sa n J oa q u i n Va ll e y

/ M ode s t o M SA 446 , 997 512 , 138 0

. 086 2 2 S t a n i s l a us M ode s t o - 14 t h S t. 06

- 099

- 0005 0

. 086 T u r l o ck 06

- 099

- 0006 0

. 086
Sa n J o q a u i n Va ll e y

/ V i s a li a - Po rt e rv ill e M SA 368 , 021 419 , 909 0

. 092 2 1 T u l a re V i s a li a - C hu rc h S t. 06

- 107

- 2002 0

. 092
Sa n J oa q u i n Va ll e y

/ M e rc ed M SA 210 , 554 245 , 658 0

. 089 1 1 M e rc ed M e rc ed

- S C o ff ee A v e. 06

- 047

- 0003 0

. 089
Sa n J oa q u i n Va ll e y

/ H a n f o r d

- C o rcr oa n M SA 129 , 461 146 , 153 0

. 086 1 1 K i n gs H a n f o r d -Ir w i n S t. 06

- 031

- 1004 0

. 086
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M OZO N E M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on M SA DV > 0

. 068 ppm DV < 0

. 068 ppm M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: Popu l a ti on Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) > 10 m illi on 4 2 See Foo t n o te 4 - 10 m illi on 3 1 350K - 4 m illi on 2 1 D oe s N o t M ee t R e q u i r e m e n ts 50K - 350K 1 0
R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed M SA # o f O z one # o f O z one O z one S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 O z one SL A MS SL A MS Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on Des i gn Va l ue pe r CBS A* pe r CBS A* ( pp m) Sa l t o n Sea / E l C e n tr o M SA 142 , 361 160 , 301 0

. 085 1 4 I m pe r i al E l C e n tro 06

- 025

- 1003 0

. 085 C a l ex i c o Ea st 06

- 025

- 0006 0

. 076 C a l ex i c o - E t h el 06

- 025

- 0005 0

. 074 W e s t m o r e l a nd 06

- 025

- 4003 0

. 085
Sa l t o n Sea / R i v e rs i de

- Sa n Be r n a r d i n o - O n t a r i o M SA 1 0 2 R i v e rs i de
So u t h C e n tr a l C oa s t / SLO

- Pa s o R ob l e s M SA 246 , 681 257 , 005 0

. 086 1 7 Sa n L u i s O b i s po A t a sc ade ro 06

- 079

- 8001 0

. 068 C a rr i zo P l a i n s S c h ool 06

- 079

- 8006 0

. 086

M o rr o Bay 06

- 079

- 3001 0

. 055 N i po m o - Pa rk 06

- 079

- 4002 0

. 061 Pa s o R ob l es 06

- 079

- 0005 0

. 071 R ed H ills 06

- 079

- 8005 N ew Sa n L u i s O b i s po - S H i g u e r a St 06

- 079

- 2006 0

. 057

4So u t h C e n tr a l C oa s t / Sa n t a Ba r ba r a - Sa n t a M a r i a M SA 399 , 347 400 , 335 0

. 066 1 4 Sa n t a Ba r ba ra E l C ap i t a n Bea ch 06

- 083

- 0008 0

. 063 G o l e ta 06

- 083

- 2011 0

. 065 Lo m po c- H S t. 06

- 083

- 1013 0

. 066 Sa n t a Y n ez 06

- 083

- 3001 0

. 065
So u t h C e n tr a l C oa s t / O x n a r d

- T h o u s a n d O a ks- Ve n t u r a M SA 753 , 197 799 , 720 0

. 090 2 6 Ve n t u ra E l R io 06

- 111

- 3001 0

. 063 O j ai 06

- 111

- 1004 0

. 090 P i ru 06

- 111

- 0009 0

. 085 S i m i Va ll ey 06

- 111

- 2002 0

. 090 T h o u s a n d O a ks 06

- 111

- 0007 0

. 080 E mm a W ood S t a t e Bea ch 06

- 111

- 2003 0

. 064
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. SCAQ M D ope r a t e s ozo n e m o n i t o rs i n t h i s M SAt h a t m ee t t h e m i n i m u m r e q u i r e m e n t s. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas

5M I N I M U M P M2

. 5 M ON I T OR I NG R E QU I R E M E N TS

S ou r c e o f 2006 popu l at i on e s t i m ate s - M S A D V > 85 % D V < 085 % M eet s Requ i r e m ents U S Cen s u s B u r eau, A nnua l E s t i m ate s o f the P opu l at i on P opu la t i on NAA QS NAA QS o f M et r opo li tan and M ic r opo li tan S tat is t ic a l A r ea s: > 12.75 a nnu al < 12.75 a nnu al S ee F ootnote A p r il 1, 2000 to J u l y

1, 2006 ( C BSA

- ES T 2006

- 01) > 29.75 d aily < 29.75 d aily > 1 m illi on 3 2 Doe s Not M eet Requ i r e m ents 500 K

- 1 m illi on 2 1 50 K

- 500K 1 0
M SA M SA Re qu i r ed 2004 - 2006 2004 - 2006 A RB P Q A O A IR B AS INS E s t i m a t ed P M 2.5 A nnu al P M 2.5 Daily # of P M 2.5 # of P M 2.5 P M 2.5 S i t e A nnu al P M 2.5 S i t e Daily M e t r opo li t a n S t a t is t ical A r eass ( MS A) 2000 2006 Desi gn V al ue Desi gn V al ue S L A MS S L A MS C ount ies S L A M S S i t es A Q S # Desi gn V al u es 1 Desi gn V al u es 1 M ic r opo li t a n S t a t is t ical A r eas (m sa) P opu la t i on P opu la t i on (ug /m 3 ) (ug /m 3 ) p e r CB S A* p e r CB S A* (ug /m 3 ) (ug /m 3 )

Gr eat B a si n / Bi s hop m sa 17,945 17,980 5.3 19 0 1 In yo K ee l e r- Ce rr o G o r do Road 06

- 027

- 1003 5.3 19
Gr eat B a si n / No C BSA* 0 0 M ono None
Gr eat B a si n / No C BSA* 0 0 Al p i ne None
La k e Count y

/ C l ea r l a k e m sa 58,309 65,933 4.8 14 0 1 La ke La k epo rt

- La k epo rt Bl vd 06

- 033

- 3001 4.8 14
M o j a v e De s e rt / B a k e r s f i e l d M SA 661,645 780,117 6.4 15 1 2 K e rn M o j a v e - 923 P oo l e S t r eet 06

- 029

- 0011 5.7 15 R i dge c r e s t

- 100 W e s t Ca li f o r n i a A v enue 06

- 029

- 0015 6.4 15
M o j a v e De s e rt / Lo s A nge l e s - Long B ea c h

- S anta A na M SA 12,365,627 12,950,129 8.3 16 2 1 2 Lo s A nge l es Lan c a s te r- 43301 D i v isi on S t r eet 06

- 037

- 9033 8.3 16
M o j a v e De s e rt / R i v e r si de

- S an B e r na r d i no -O nta r i o M SA 3,254,821 4,026,135 10.3 24 2 0 R i v e r si de None

1 2 S an B e r na r d i no Vi c to rv ill e - 14306 P a r k A v enue 06

- 071

- 0306 10.3 24
M ounta i n Count i e s / No C BSA* 0 0 Am ador None
M ounta i n Count i e s / No C BSA* 0 1 Ca l a v e r as S an A nd r ea s -G o l d S t r ik e Road 06

- 009

- 0001 7.7 21
M ounta i n Count i e s / S a c r a m ento

- A r den

- A r c ade

- Ro s e v ill e M SA 1,796,857 2,067,117 No Data No Data 2 0 3 El Do r ado None
Pl a c e r ( c ent r a l) None
M ounta i n Count i e s / No C BSA* 0 0 M a r i po sa None
M ounta i n Count i e s / Tr u ck ee -Gr a ss V a ll e y m sa 92,033 98,764 6.7 16 0 2 Ne v ada Gr a ss V a ll e y - L i tton Bl dg. 06

- 057

- 0005 5.3 15 Tr u ck ee -F i r e S tat i on 06

- 057

- 1001 6.7 16
M ounta i n Count i e s / No C BSA* 0 2 Pl u m as Q u i n c y - N Chu r c h S t r eet 06

- 063

- 1006 8.9 27 P o rto l a - 161 Ne v ada S t r eet 06

- 063

- 1009 11.1 30
M ounta i n Count i e s / No C BSA* 0 0 Si e rra None
M ounta i n Count i e s / P hoen ix La k e - Ceda r R i dge m sa 54,501 56,855 No Data No Data 0 0 T uo l u m ne None
1. T he s e De si gn V a l ue s a r e f o r the pu r po s e o f dete r m i n i ng the m i n i m u m nu m be r o f m on i to r i ng si te s f o r M SA s

. T he y a r e not i ntended f o r

u s e i n S I P p l ann i ng o r f o r de si gnat i on pu r po s e s

. 2. S C A Q M D ope r ate s P M 2.5 si te s i n th is M SA that e xc eed the r equ i r ed nu m be r o f si te s. 3. T he S M A Q M D and A R B ope r ate m o r e than the r equ i r ed nu m be r o s si te s i n th is M SA

. S ee the S a c r a m ento V a ll e y Ai r B a si n.

* C BSA

- Co r e B a s ed S tat isc a l A r ea is a te r m that r e f e r s c o ll e c t i v e l y to m et r opo li tan and m ic r opo li tan s tat isc a l a r eas M I N I M U M P M2

. 5 M ON I T OR I NG R E QU I R E M E N TS

S ou r c e o f 2006 popu l at i on e s t i m ate s - M S A D V > 85 % D V < 085 % M eet s Requ i r e m ents U S Cen s u s B u r eau, A nnua l E s t i m ate s o f the P opu l at i on P opu la t i on NAA QS NAA QS o f M et r opo li tan and M ic r opo li tan S tat is t ic a l A r ea s: > 12.75 a nnu al < 12.75 a nnu al S ee F ootnote A p r il 1, 2000 to J u l y

1, 2006 ( C BSA

- ES T 2006

- 01) > 29.75 d aily < 29.75 d aily > 1 m illi on 3 2 Doe s Not M eet Requ i r e m ents 500 K

- 1 m illi on 2 1 50 K

- 500K 1 0
M SA M SA Re qu i r ed 2004 - 2006 2004 - 2006 A RB P Q A O A IR B AS INS E s t i m a t ed P M 2.5 A nnu al P M 2.5 Daily # of P M 2.5 # of P M 2.5 P M 2.5 S i t e A nnu al P M 2.5 S i t e Daily M e t r opo li t a n S t a t is t ical A r eass ( MS A) 2000 2006 Desi gn V al ue Desi gn V al ue S L A MS S L A MS C ount ies S L A M S S i t es A Q S # Desi gn V al u es 1 Desi gn V al u es 1 M ic r opo li t a n S t a t is t ical A r eas (m sa) P opu la t i on P opu la t i on (ug /m 3 ) (ug /m 3 ) p e r CB S A* p e r CB S A* (ug /m 3 ) (ug /m 3 )

1No rth Cent r a l Coa s t / S a li na s M SA 401,762 410,206 6.9 14 0 1 M onte r ey S a li na s - H i gh S c hool 06

- 053

- 1003 6.9 14

No rth Cent r a l Coa s t / S an J o s e - S unn yv a l e - S anta C l a r a M SA 1,735,819 1,787,123 2 1 2 S an B en i to None
No rth Cent r a l Coa s t / S anta C r u z - W at s on v ill e M SA 255,602 249,705 7.0 16 0 1 S anta C r uz S anta C r u z - 2544 S oque l A v enue 06

- 087

- 0007 7.0 16
No rth Coa s t / C r e sc ent C i t y m sa 27,507 28,893 No Data No Data 0 0 De l No rte None
No rth Coa s t / E u r e k a - A r c ata -F o rtuna m sa 126,518 128,330 13.4 25 0 2 Hu m bo l dt E u r e k a - I S t r eet 06

- 023

- 1002 8.3 25 E u r e k a - J a c obs 06

- 023

- 1004 13.4 21
No rth Coa s t / U ki ah m sa 86,265 88,109 6.7 16 0 1 M endo ci no U ki ah

- Count y L i b r a ry 06

- 045

- 0006 6.7 16
No rth Coa s t / S anta Ro s a - P eta l u m a M SA 458,614 466,891 No Data No Data 0 0 S ono m a ( no rth) None
No rth Coa s t / No C BSA* 0 0 Tr i n i ty None
No rthea s t Pl ateau / S u s an v ill e, C A m sa 33,828 34,715 No Data No Data 0 0 La ss en None
No rthea s t Pl ateau / No C BSA* 0 0 M odoc None
No rthea s t Pl ateau / No C BSA* 0 1 Si ski y ou Y r e k a -F ooth ill D r i ve 06

- 093

- 2001 6.7 24
S a l ton S ea / El Cent r o M SA 142,361 160,301 12.5 40 1 3 I m pe r i al Ca l e xic o - E the l S t r eet 06

- 025

- 0005 12.5 40 B r a w l e y - 220 M a i n S t r eet 06

- 025

- 0007 8.6 22 El Cent r o - 9th S t r eet 06

- 025

- 1003 9.3 25
R i v e r si de None
1. T he s e De si gn V a l ue s a r e f o r the pu r po s e o f dete r m i n i ng the m i n i m u m nu m be r o f m on i to r i ng si te s f o r M SA s

. T he y a r e not i ntended f o r

u s e i n S I P p l ann i ng o r f o r de si gnat i on pu r po s e s

. 2. T he ba l an c e o f r equ i r ed P M 2.5 m on i to r s i n the S an J o s e - S unn yv a l e - S anta C l a r a M SA a r e ope r ated b y the B a y A r ea A Q MD

* C BSA

- Co r e B a s ed S tat isc a l A r ea is a te r m that r e f e r s c o ll e c t i v e l y to m et r opo li tan and m ic r opo li tan s tat isc a l a r eas M I N I M U M P M2

. 5 M ON I T OR I NG R E QU I R E M E N TS

S ou r c e o f 2006 popu l at i on e s t i m ate s - M S A D V > 85 % D V < 085 % M eet s Requ i r e m ents U S Cen s u s B u r eau, A nnua l E s t i m ate s o f the P opu l at i on P opu la t i on NAA QS NAA QS o f M et r opo li tan and M ic r opo li tan S tat is t ic a l A r ea s: > 12.75 a nnu al < 12.75 a nnu al S ee F ootnote A p r il 1, 2000 to J u l y

1, 2006 ( C BSA

- ES T 2006

- 01) > 29.75 d aily < 29.75 d aily > 1 m illi on 3 2 Doe s Not M eet Requ i r e m ents 500 K

- 1 m illi on 2 1 50 K

- 500K 1 0
M SA M SA Re qu i r ed 2004 - 2006 2004 - 2006 A RB P Q A O A IR B AS INS E s t i m a t ed P M 2.5 A nnu al P M 2.5 Daily # of P M 2.5 # of P M 2.5 P M 2.5 S i t e A nnu al P M 2.5 S i t e Daily M e t r opo li t a n S t a t is t ical A r eass ( MS A) 2000 2006 Desi gn V al ue Desi gn V al ue S L A MS S L A MS C ount ies S L A M S S i t es A Q S # Desi gn V al u es 1 Desi gn V al u es 1 M ic r opo li t a n S t a t is t ical A r eas (m sa) P opu la t i on P opu la t i on (ug /m 3 ) (ug /m 3 ) p e r CB S A* p e r CB S A* (ug /m 3 ) (ug /m 3 ) S a c r a m ento V a ll e y

/ Ch ic o M SA 203,171 215,881 13.5 56 1 1 B utte Ch ic o - M an z an i ta A v enue 06

- 007

- 0002 13.5 56
S a c r a m ento V a ll e y

/ No C BSA* 0 1 Co l u sa Co l u s a - S un r is e Bl vd 06

- 011

- 1002 7.4 27
S a c r a m ento V a ll e y

/ No C BSA* 0 0 G l enn None
S a c r a m ento V a ll e y

/ S a c r a m ento

- A r den

- A r c ade

- Ro s e v ill e M SA 1,796,857 2,067,117 12.0 49 3 5 Pl a c e r ( we s t) Ro s e v ill e - N S un r is e Bl vd 06

- 061

- 0006 10.2 38
S a c r a m ento S a c r a m ento

- De l P a s o M anor 06

- 067

- 0006 12.0 49

S a c r a m ento

- Hea l th Dept S to ck ton Bl vd 06

- 067

- 4001 10.5 39

S a c r a m ento -T S t r eet 06

- 067

- 0010 11.6 41
Y o lo W ood l and -G i b s on Road 06

- 113

- 1003 9.4 30
S a c r a m ento V a ll e y

/ Redd i ng M SA 163,256 179,951 7.7 22 0 1 S ha s ta Redd i ng - Hea l th Dept Roof 06

- 089

- 0004 7.7 22
S a c r a m ento V a ll e y

/ V a ll e j o F a i rf i e l d M SA 394,542 411,680 No Data No Data 0 0 S o l ano ( ea s t) None
S a c r a m ento V a ll e y

/ Y uba C i t y M SA 139,149 161,806 10.3 40 1 1 S utter Y uba C i t y - Alm ond S t r eet 06

- 101

- 0003 10.3 40
Y uba None
S a c r a m ento V a ll e y

/ Red Bl u ff m sa 56,039 61,686 No Data No Data 0 0 T ehe ma None
S an J oaqu i n V a ll e y

/ Fr e s no M SA 799,407 891,756 17.2 59 2 3 Fr e s no Fr e s no - 1 s t S t r eet 06

- 019

- 0008 16.6 58 Fr e s no - Ha m il ton & W i ne ry 06

- 019

- 5025 17.2 59 C l o v is

- N Vill a A v enue 06

- 019

- 5001 16.4 56

2S an J oaqu i n V a ll e y / B a k e r s f i e l d M SA 661,645 780,117 18.9 64 2 3 K e rn B a k e r s f i e l d

- 5558 Ca li f o r n i a A v enue 06

- 029

- 0014 18.5 62 B a k e r s f i e l d

- 410 E Pl an z Road 06

- 029

- 0016 18.9 60 B a k e r s f i e l d -G o l den S tate H i gh way 06

- 029

- 0010 18.6 64
S an J oaqu i n V a ll e y

/ Han f o r d

- Co r c r oan M SA 129,461 146,153 17.2 58 1 1 Ki ngs Co r c o r an - P atte r s on A v enue 06

- 031

- 0004 17.2 58
S an J oaqu i n V a ll e y

/ M ade r a M SA 123,109 146,345 No Data No Data 0 0 M ade ra None
S an J oaqu i n V a ll e y

/ M e r c ed M SA 210,554 245,658 14.7 45 1 1 M e r c ed M e r c ed

- 2334 M S t r eet 06

- 047

- 2510 14.7 45
S an J oaqu i n V a ll e y

/ S to ck ton M SA 563,598 673,170 12.9 41 2 1 S an J oaqu in S to ck ton

- Ha z e l ton S t r eet 06

- 077

- 1002 12.9 41
S an J oaqu i n V a ll e y

/ M ode s to M SA 446,997 512,138 14.1 51 2 1 S tan isl aus M ode s to

- 14th S t r eet 06

- 099

- 0005 14.1 51
S an J oqau i n V a ll e y

/ Vi s a li a - P o rte rv ill e M SA 368,021 419,909 18.2 56 1 1 T u l a re Vi s a li a - N Chu r c h S t r eet 06

- 107

- 2002 18.2 56
S outh Cent r a l Coa s t / S L O- P a s o Rob l e s M SA 246,681 257,005 8.0 22 1 2 S an Lu is O b is po S an Lu is O b is po - 3220 S outh H i gue r a St 06

- 079

- 2006 6.9 16 A ta sc ade r o - Le w is A v enue 06

- 079

- 8001 8.0 22
S outh Cent r a l Coa s t / S anta B a r ba r a - S anta M a r i a M SA 399,347 400,335 10.6 25 1 2 S anta B a r ba ra S anta M a r i a - 906 S B r oad way 06

- 083

- 1008 7.7 18 S anta B a r ba r a - 700 E a s t Canon P e r d i do 06

- 083

- 0011 10.6 25
S outh Cent r a l Coa s t / O x na r d -T hou s and O a ks

- V entu r a M SA 753,197 799,720 11.4 30 2 4 V entu ra T hou s and O a ks

- M oo r pa r kRoad 06

- 111

- 0007 10.5 27 Pi r u - 3301 P a ci f ic A v enue 06

- 111

- 0009 9.6 21 Simi V a ll e y - Co c h r an S t r eet 06

- 111

- 2002 11.4 30 El R i o - R i o M e s a S c hoo l #2 06

- 111

- 3001 10.6 25
1. T he s e De si gn V a l ue s a r e f o r the pu r po s e o f dete r m i n i ng the m i n i m u m nu m be r o f m on i to r i ng si te s f o r M SA s

. T he y a r e not i ntended f o r

u s e i n S I P p l ann i ng o r f o r de si gnat i on pu r po s e s

. * C BSA

- Co r e B a s ed S tat isc a l A r ea is a te r m that r e f e r s c o ll e c t i v e l y to m et r opo li tan and m ic r opo li tan s tat isc a l a r eas

3M I N I M U M P M 10 M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - H i gh M ed i um Low US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on Con cen tr a ti on Con cen tr a ti on Con cen tr a ti on M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: DV = > 180 ug /m 3 DV > 120 ug /m 3 DV < 120 ug /m 3 Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) See Foo t n o te
> 1 , 000 , 000 6 - 10 4 - 8 2 - 4 500K - 1 , 000K 4 - 8 2 - 4 1 - 2 D oe s N o t M ee t R e q u i r e m e n ts 250K - 500K 3 - 4 1 - 2 0 - 1 100K - 250K 1 - 2 0 - 1 0
M SA R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed P M 10 # o f P M 10 # o f P M 10 P M 10 S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 D es i gn Va l ue SL A MS SL A M S Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on ( ug /m 3 ) pe r CBS A* pe r CBS A* ( ug /m 3 )

G r ea t Ba s i n / B i s h op m sa 17 , 945 17 , 980 8 , 299 0 6 I nyo Lo n e P i n e - E Lo c u s t S tr eet 06

- 027

- 0004 349 O l a n c h a - W a l k e r C r ee k R oad 06

- 027

- 0021 428

D i rt y Sox 06

- 027

- 0022 6277 F l a t R o ck- H i g h w a y 190 06

- 027

- 0024 610 S h e ll C u t- H i g h w a y 190 06

- 027

- 0025 8299 C o s o J un c t i o n - H i g h w a y 395 R e s t A r ea 06

- 027

- 1001 97

Kee l e r- C e rr o G o r do R oad 06

- 027

- 1003 3322
G r ea t Ba s i n / N o CBSA* 0 4 M o no M a mm o t h La k e s- G a t e w a y HC 06

- 051

- 0001 86 Lee V i n i n g - S MS 06

- 051

- 0005 95 M o n o La k e - S i m i s R e s i de n ce 06

- 051

- 0007 110 M o n o La k e N o rt h S h o re 06

- 051

- 0011 1915
G r ea t Ba s i n / N o CBSA* 0 0 A l p i ne N o ne
La k e C o un t y

/ C l ea r l a k e m sa 58 , 309 65 , 933 0 1 La ke La k epo rt- La k epo rt B l vd 06

- 033

- 3001 N o D a ta
La k e T a h oe / Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 47 2 - 4 0 P l a c e r ( ea s t)
1 2 E l D o r ado ( ea s t) So u t h La k e T a h oe - Sa n d y W ay 06

- 017

- 0011 47
M oj a v e D e s e rt / Ba k e rsf i e l d M SA 661 , 645 780 , 117 65 1 - 2 2 Ke rn M oj a v e - 923 Poo l e S tr eet 06

- 029

- 0011 65 R i d g e cr e s t- 100 W e s t C a li f o r n i a A v e nue 06

- 029

- 0015 65
M oj a v e D e s e rt / Lo s A n g e l e s- Lo n g Bea c h

- Sa n t a A n a M SA 12 , 365 , 627 12 , 950 , 129 63 2 - 4 1 3 Lo s A n g e l es La n c a s t e r- 43301 D i v i s i o n S tr eet 06

- 037

- 9033 63
M oj a v e D e s e rt / R i v e rs i de

- Sa n Be r n a r d i n o - O n t a r i o M SA 3 , 254 , 821 4 , 026 , 135 88 2 - 4 0 R i v e rs i de N o ne
4 Sa n Be r n a r d i no Ba rst ow 06

- 071

- 0001 80 H e s pe r i a - O li v e S tr eet 06

- 071

- 4001 58 L u c e r n e Va ll ey 06

- 071

- 0013 64 T r o n a - A t h o l a n d T e l e g r aph 06

- 071

- 1234 88
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. T h e S M AQ M D a n d ARB ope r a t e m o r e t h a n t h e r e q u i r ed nu m be r o s s i t e s i n t h i s M SA

. See t h e Sa cr a m e n t o Va ll e y A i r Ba s i n. 3

. SCAQ M D ope r a t e s P M 10 s i t e s i n t h i s M SAt h a t ex c eed t h e r e q u i r ed nu m be r o f s i t e s. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M P M 10 M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - H i gh M ed i um Low US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on Con cen tr a ti on Con cen tr a ti on Con cen tr a ti on M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: DV = > 180 ug /m 3 DV > 120 ug /m 3 DV < 120 ug /m 3 Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) See Foo t n o te

1> 1 , 000 , 000 6 - 10 4 - 8 2 - 4 500K - 1 , 000K 4 - 8 2 - 4 1 - 2 D oe s N o t M ee t R e q u i r e m e n ts 250K - 500K 3 - 4 1 - 2 0 - 1 100K - 250K 1 - 2 0 - 1 0
M SA R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed P M 10 # o f P M 10 # o f P M 10 P M 10 S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 D es i gn Va l ue SL A MS SL A M S Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on ( ug /m 3 ) pe r CBS A* pe r CBS A* ( ug /m 3 ) M o un t a i n C o un t i e s / N o CBSA* 0 0 A m ador N o ne
M o un t a i n C o un t i e s / N o CBSA* 0 1 C a l a v e r as Sa n A n d r ea s- G o l d S tr i k e R oad 06

- 009

- 0001 42
M o un t a i n C o un t i e s / Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 34 2 - 4 1 2 E l D o r ado P l a c e rv ill e - G o l d N u gg e t W ay 06

- 017

- 0010 34 P l a c e r (c e n tr a l) N o ne
M o un t a i n C o un t i e s / N o CBSA* 0 1 M a r i po sa Yo s e m i t e V ill a g e - V i s i t o r C e n t er 06

- 043

- 1001 133
M o un t a i n C o un t i e s / T r u ck ee - G r a ss Va ll e y m sa 92 , 033 98 , 764 0 0 N e v ada N o ne
M o un t a i n C o un t i e s / N o CBSA* 0 2 P l u m as Q u i n c y - N C hu rc h S tr eet 06

- 063

- 1006 54 C h e s t e r- 1 s t A ve 06

- 063

- 1007 64
M o un t a i n C o un t i e s / N o CBSA* 0 0 S i e rra N o ne
M o un t a i n C o un t i e s / P h oe n i x La k e - C eda r R i d g e m sa 54 , 501 56 , 855 0 0 T u o l u m ne N o ne
N o rt h C e n tr a l C oa s t / Sa li n a s M SA 401 , 762 410 , 206 49 0 - 1 2 M o n t e r ey C a r m e l Va ll e y - Fo r d R oad 06

- 053

- 0002 31 Sa li n a s- H i g h S c h ool 06

- 053

- 1003 49
N o rt h C e n tr a l C oa s t / Sa n J o s e - S unny v a l e - Sa n t a C l a r a M SA 1 , 735 , 819 1 , 787 , 123 45 2 - 4 1 3 Sa n Be n i to H o lli s t e r- Fa i rv i e w R oad 06

- 069

- 0002 45
N o rt h C e n tr a l C oa s t / Sa n t a C r u z - W a t s o n v ill e M SA 255 , 602 249 , 705 78 0 - 1 2 Sa n t a C r uz W a t s o n v ill e - A i r po rt Bo u l e v a rd 06

- 087

- 0004 40 Sa n t a C r u z - 2544 So q u e l A v e nue 06

- 087

- 0007 78
N o rt h C oa s t / C r e sc e n t C i t y m sa 27 , 507 28 , 893 42 0 1 D e l N o rte C r e sc e n t C i t y - 880 N o rt h cr e s t D r i ve 06

- 015

- 0006 42
N o rt h C oa s t / E u r e k a - A rc a t a - Fo rt un a m sa 126 , 518 128 , 330 68 0 1 H u m bo l dt E u r e k a -I S tr eet 06

- 023

- 1002 68
N o rt h C oa s t / U k i a h m sa 86 , 265 88 , 109 57 0 3 M e n do c i no Fo rt B r a gg - N F r a n k li n S tr eet 06

- 045

- 0002 57 U k i a h

- C o un t y L i b r a ry 06

- 045

- 0006 36 W illi t s- F i r e h o u se 06

- 045

- 2001 38
N o rt h C oa s t / Sa n t a R o s a - Pe t a l u m a M SA 458 , 614 466 , 891 37 0 - 1 3 So n o m a ( n o rt h) C l o v e r da le 06

- 097

- 0001 37 H ea l d s b u r g - 133 M a t h e s o n S tr eet 06

- 097

- 0002 30 G u e r n e v ill e - C hu rc h a n d 1 st 06

- 097

- 3002 33
N o rt h C oa s t / N o CBSA* 0 1 T r i n i ty W ea v e rv ill e - C o u rt h o u se 06

- 105

- 0002 161
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. T h e S M AQ M D a n d ARB ope r a t e m o r e t h a n t h e r e q u i r ed nu m be r o s s i t e s i n t h i s M SA

. See t h e Sa cr a m e n t o Va ll e y A i r Ba s i n. 3

. T h e BAAQ M D ope r a t e s add i t i o n a l s i t e s i n t h i s M SA

. T h e r e a r e a t o t a l o f 5 P M 10 s i t e s i n t h i s M SA. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M P M 10 M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - H i gh M ed i um Low US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on Con cen tr a ti on Con cen tr a ti on Con cen tr a ti on M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: DV = > 180 ug /m 3 DV > 120 ug /m 3 DV < 120 ug /m 3 Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) See Foo t n o te
> 1 , 000 , 000 6 - 10 4 - 8 2 - 4

2500K - 1 , 000K 4 - 8 2 - 4 1 - 2 D oe s N o t M ee t R e q u i r e m e n ts 250K - 500K 3 - 4 1 - 2 0 - 1 100K - 250K 1 - 2 0 - 1 0
M SA R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed P M 10 # o f P M 10 # o f P M 10 P M 10 S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 D es i gn Va l ue SL A MS SL A M S Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on ( ug /m 3 ) pe r CBS A* pe r CBS A* ( ug /m 3 ) N o rt h ea s t P l a t ea u / S u s a n v ill e , CA 33 , 828 34 , 715 0 0 La ss en N o ne
N o rt h ea s t P l a t ea u / M o CBSA* 0 M odoc N o ne
N o rt h ea s t P l a t ea u / M o CBSA* 0 S i sk i y ou N o ne Sa cr a m e n t o Va ll e y

/ C h i c o M SA 203 , 171 215 , 881 110 0 1 B u tte C h i c o - M a n za n i t a A v e nue 06

- 007

- 0002 110
Sa cr a m e n t o Va ll e y

/ N o CBSA* 0 1 C o l u sa C o l u s a - S un r i s e B l vd 06

- 011

- 1002 91
Sa cr a m e n t o Va ll e y

/ N o CBSA* 0 1 G l e nn W ill o w s- E La u r e l S tr eet 06

- 021

- 0002 135
Sa cr a m e n t o Va ll e y

/ Sa cr a m e n t o - A r de n - A rc ade

- R o s e v ill e M SA 1 , 796 , 857 2 , 067 , 117 110 2 - 4 1 P l a c e r ( w e s t) R o s e v ill e - N S un r i s e B l vd 06

- 061

- 0006 55
6 Sa cr a m e n to N o rt h H i g h l a n d s- B l a ck f oo t W ay 06

- 067

- 0002 110 Sa cr a m e n t o - D e l Pa s o M a n or 06

- 067

- 0006 71 Sa cr a m e n t o - 3801 A i r po rt R oad 06

- 067

- 0013 90 Sa cr a m e n t o - B r a n c h C e n t e r R oad #2 06

- 067

- 0284 81 Sa cr a m e n t o - H ea l t h D ep t S t o ck t o n B l vd 06

- 067

- 4001 64

Sa cr a m e n t o - T S tr eet 06

- 067

- 0010 109
0 Yo lo N o ne Sa cr a m e n t o Va ll e y

/ R edd i n g M SA 163 , 256 179 , 951 76 0 3 S h a s ta S h a s t a La k e - 4066 La M e s a A v e nue 06

- 089

- 0008 47 R edd i n g - H ea l t h D ep t R oof 06

- 089

- 0004 76 A n de rs o n - N o rt h S tr eet 06

- 089

- 0007 53
Sa cr a m e n t o Va ll e y

/ Va ll e j o Fa i rf i e l d M SA 394 , 542 411 , 680 56 0 - 1 0 So l a n o ( ea s t) N o ne Sa cr a m e n t o Va ll e y

/ Y u ba C i t y M SA 139 , 149 161 , 806 63 0 1 S u tt er Y u ba C i t y - A l m o n d S tr eet 06

- 101

- 0003 63 Y u ba N o ne Sa cr a m e n t o Va ll e y

/ R ed B l u ff m sa 56 , 039 61 , 686 70 0 1 T e h e ma R ed B l u ff- M e ss e r D r i ve 06

- 103

- 0002 70
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M P M 10 M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - H i gh M ed i um Low US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on Con cen tr a ti on Con cen tr a ti on Con cen tr a ti on M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: DV = > 180 ug /m 3 DV > 120 ug /m 3 DV < 120 ug /m 3 Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) See Foo t n o te
> 1 , 000 , 000 6 - 10 4 - 8 2 - 4 500K - 1 , 000K 4 - 8 2 - 4 1 - 2 D oe s N o t M ee t R e q u i r e m e n ts 250K - 500K 3 - 4 1 - 2 0 - 1 100K - 250K 1 - 2 0 - 1 0
M SA R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed P M 10 # o f P M 10 # o f P M 10 P M 10 S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 D es i gn Va l ue SL A MS SL A M S Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on ( ug /m 3 ) pe r CBS A* pe r CBS A* ( ug /m 3 )

3Sa l t o n Sea / E l C e n tr o M SA 142 , 361 160 , 301 248 1 - 2 6 I m pe r i al C a l ex i c o - E t h e l S tr eet 06

- 025

- 0005 188 C a l ex i c o - G r a n t S tr eet 06

- 025

- 0004 248 B r a w l e y - 220 M a i n S tr eet 06

- 025

- 0007 163 E l C e n tr o - 9 t h S tr eet 06

- 025

- 1003 146 W e s t m o r l a n d

- W 1 s t S tr eet 06

- 025

- 4003 201 N il a n d

- E n g li s h R oad 06

- 025

- 4004 141
0 2 R i v e rs i de N o ne Sa n J oa q u i n Va ll e y

/ F r e s n o M SA 799 , 407 891 , 756 132 2 - 4 3 F r e s no F r e s n o - 1 s t S tr eet 06

- 019

- 0008 117 F r e s n o - D r u mm o n d S tr eet 06

- 019

- 0007 132 C l o v i s- N V ill a A v e nue 06

- 019

- 5001 104
Sa n J oa q u i n Va ll e y

/ Ba k e rsf i e l d M SA 661 , 645 780 , 117 154 2 - 4 3 Ke rn Ba k e rsf i e l d

- 5558 C a li f o r n i a A v e nue 06

- 029

- 0014 153 O il da l e - 3311 M a n o r S tr eet 06

- 029

- 0232 145 Ba k e rsf i e l d

- G o l de n S t a t e H i g h w ay 06

- 029

- 0010 154
Sa n J oa q u i n Va ll e y

/ H a n f o r d

- C o rcr oa n M SA 129 , 461 146 , 153 142 0 - 1 2 K i n gs C o rc o r a n - Pa tt e rs o n A v e nue 06

- 031

- 0004 140 H a n f o r d

- S Ir w i n S tr eet 06

- 031

- 1004 142
Sa n J oa q u i n Va ll e y

/ M ade r a M SA 123 , 109 146 , 345 N o D a ta 0 0 M ade ra N o ne Sa n J oa q u i n Va ll e y

/ M e rc ed M SA 210 , 554 245 , 658 94 0 1 M e rc ed M e rc ed

- 2334 M S tr eet 06

- 047

- 2510 94
Sa n J oa q u i n Va ll e y

/ S t o ck t o n M SA 563 , 598 673 , 170 82 1 - 2 2 Sa n J oa q u in S t o ck t o n - H aze l t o n S tr eet 06

- 077

- 1002 82 S t o ck t o n - W a g n e r- H o l t S c h ool 06

- 077

- 3010 69
Sa n J oa q u i n Va ll e y

/ M ode s t o M SA 446 , 997 512 , 138 97 2 - 4 2 S t a n i s l a us M ode s t o - 14 t h S tr eet 06

- 099

- 0005 96 T u r l o ck- S M i n a r e t S tr eet 06

- 099

- 0006 97
Sa n J o q a u i n Va ll e y

/ V i s a li a - Po rt e rv ill e M SA 368 , 021 419 , 909 141 1 - 2 1 T u l a re V i s a li a - N C hu rc h S tr eet 06

- 107

- 2002 141
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. 2

. SCAQ M D ope r a t e s t w o P M 10 SLA M S i n R i v e rs i de C o un t y a t I n d i o a n d Pa l m Sp r i n gs ( C oa c h e ll a Va ll e y) * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas M I N I M U M P M 10 M O N I T O R I N G R E Q U I R E M E N TS

So u rc e o f 2006 pop u l a t i o n e s t i m a t e s - H i gh M ed i um Low US C e n s u s B u r ea u , A nnu a l E s t i m a t e s o f t h e Pop u l a t i on Popu l a ti on Con cen tr a ti on Con cen tr a ti on Con cen tr a ti on M ee t s R e q u i r e m e n ts o f M e tr opo li t a n a n d M i cr opo li t a n S t a t i s t i c a l A r ea s: DV = > 180 ug /m 3 DV > 120 ug /m 3 DV < 120 ug /m 3 Ap r il 1 , 2000 t o J u l y 1 , 2006 ( CBSA

- ES T 2006

- 01) See Foo t n o te
> 1 , 000 , 000 6 - 10 4 - 8 2 - 4 500K - 1 , 000K 4 - 8 2 - 4 1 - 2 D oe s N o t M ee t R e q u i r e m e n ts 250K - 500K 3 - 4 1 - 2 0 - 1 100K - 250K 1 - 2 0 - 1 0
M SA R equ ir ed 2004 - 2006 A RB PQ A O A I R B AS I NS Es ti m a t ed P M 10 # o f P M 10 # o f P M 10 P M 10 S it e M e tr opo lit an S t a ti s ti ca l A r eass ( MS A) 2000 2006 D es i gn Va l ue SL A MS SL A M S Coun ti es SL A M S S it es A QS # D es i gn Va l ues 1 M i c r opo lit an S t a ti s ti ca l A r eas ( m sa) Popu l a ti on Popu l a ti on ( ug /m 3 ) pe r CBS A* pe r CBS A* ( ug /m 3 ) So u t h C e n tr a l C oa s t / SLO

- Pa s o R ob l e s M SA 246 , 681 257 , 005 146 1 - 2 6 Sa n L u i s O b i s po Pa s o R ob l e s- Sa n t a Fe A v e nue 06

- 079

- 0005 59 M o rr o Bay 06

- 079

- 3001 60 N i po m o - R e g i o n a l Pa rk 06

- 079

- 4002 71 N i po m o - G u ada l u pe R oad 06

- 079

- 2004 146 A t a sc ade r o - Le w i s A v e nue 06

- 079

- 8001 58 C a rr i zo P l a i n s S c h oo l

- 9640 C a rr i zo 06

- 079

- 8006 55
So u t h C e n tr a l C oa s t / Sa n t a Ba r ba r a - Sa n t a M a r i a M SA 399 , 347 400 , 335 83 0 - 1 3 Sa n t a Ba r ba ra Sa n t a M a r i a - 906 S B r oad w ay 06

- 083

- 1008 54 E l C ap i t a n Bea ch 06

- 083

- 0008 50 Lo m po c- S H S tr eet 06

- 083

- 2004 83

4So u t h C e n tr a l C oa s t / O x n a r d

- T h o u s a n d O a ks- Ve n t u r a M SA 753 , 197 799 , 720 119 1 - 2 3 Ve n t u ra O j a i

- O j a i A v e nue 06

- 111

- 1004 60 S i m i Va ll e y - C o c h r a n S tr eet 06

- 111

- 2002 74 E l R i o - R i o M e s a S c h oo l #2 06

- 111

- 3001 119
1

. T h e s e D e s i g n Va l u e s a r e f o r t h e p u r po s e o f de t e r m i n i n g t h e m i n i m u m nu m be r o f m o n i t o r i n g s i t e s f o r M SA s

. T h e y a r e n o t i n t e n ded f o r u s e i n S I P p l a nn i n g o r f o r de s i g n a t i o n p u r po s e s

. * CBSA- C o r e Ba s ed S t a t i sc a l A r ea i s a t e r m t h a t r e f e rs c o ll e c t i v e l y t o m e tr opo li t a n a n d m i cr opo li t a n s t a t i sc a l a r eas

5