1 

### I s ra e l s, Ken

Fr o m: Kur p iu s

, M e r e dith

S e nt: F rid ay

, F e b ru a r y 27

, 2015 1 : 33 PM

To: I s r ae l s

, K e n; W e hling, J e ff e r s on

C c: C l ov e r, F l e t c h e r; C H A NG, R A N D A LL

S u b j ec t: R E: Pec h a ng a F in a l R ul e

- Q u e s ti o n s o n Mo nit o ring R e s po n s e s

S ee b e l o w f o r a dd i t i o n al t h o ugh t s (i t al i ci z e d i n ca s e w e h a v e r e d / g r ee n c o l o r i s s u e s a mo ng o u r g r o up )

.

F r o m: I sra e ls

, K e n

S en t: T u e s d a y

, F e b r u a r y 24

, 2 01 5 7 : 2 6 A M

T o: W e h li ng

, J e f f e rs o n

C c: K u r p i u s

, M e r e d i t h ; Cl ov e r, F l e t c h e r

Sub j e c t: RE : P e c h a ng a F i n a l R u l e

- Q u e s t i o n s o n M o n i t o ri ng R e s p o n s e s

H i J e ff (c c : Me r e d i t h a nd F l et c h e r )

–

I ’ v e r e s p o n d e d t o s o m e o f y o u r qu e s t i o n s b e l o w i n r ed

. I d e f e r t o M e r e d i t h ’s g r o up f o r b e tte r r e s p o n s e s

.

T h a n ks,

K e n

7

- 4 1 0 2

F r o m: W e h li ng

, J e f f e r s o n

S en t: M o nd a y

, F e b r u ar y 2 3

, 2 01 5 5 : 5 6 P M

T o: I sra e ls, K e n

Sub j e c t: P e c h a ng a F i n al R u l e

- Q u e s t i o n s o n M o n i t o ri ng R e s p o n s e s

K e n :

H e r e ar e s o m e qu e s t i o n s t h a t o c c u rr e d t o m e du ri ng m y r e v i e w o f m o n i t o ri ng -r e la te d p o r t i o n s o f t h e d raf t fi n al r u l e :

( 1) W h a t d o e s i t m e a n t o b e a “ r e gu la t o r y ” m o n i t o r ? I s i t d e fi n e d i n o u r r e g s ? D o e s i t m e a n t h a t a g i v e n m o n i t o r h as

t h e o b j e c t i v e o f “ NAA Q S c o m p aris o n ” a nd t h a t t h e r e l e v a n t S t a t e / D is t ri c t / T ri b e h as a d e qu a te l y d e m o n s t ra te d

t h a t t h e m o n i t o r m e et s t h e qu ali ty ass u ra n c e a nd d a t a r e qu ir e m e n t s n e c e s sar y f o r r e gu la t o r y d e cisi o nm aki ng? S e e p a g e 6 o f

t h e t ri b al d e si gn a t i o n s p o li c y f o r a d i s c u ssi o n o f t h e t e r m “ r e gu la t o r y ” m o n i t o r – I d o n o t

k n o w if i t i s d e fi n e d i n t h e C F R

.

I l oo ke d i n t h e m on i t o r i ng r e g s o f t h e C F R und e r

t h e d e fi n i t i on s and i t ’

s no t t h e r e b u t t h e r e i

s a gu i danc e m e m o on “

nonr e gu l a t o r y ” da t a t ha t h el

p s d efi n e r e gu l a t o r

y da t a. S e e :

h tt p : / / w ww

. e pa.go v

/ t t na mt i 1 / file s / a m b ie n t / p m 2 5/ da t a m ang

/ Non % 2 0 Re gu l a t o r

y % 2 0 M on i t o r % 2 0T

y p e % 20 G u i danc e .p

d f

T h e m o s t r elev an t s e e ms t o b e t h i s p a r t :

In o r d e r f o r a i r conc e n t r a t i on da t a t o b e co m p a r e d t o t h e Na t i ona l A m b ie n t A i r Q ua li t y S t anda r d s ( NAA Q S )

, a m b ie n t a i r

m on i t o r s m u s t m ee t t h r e e s e ts o

f r e qu i r e m e n t

s:

· U s e r ef

e r e nc e ( F R M

)

, e qu i v a le n t ( F E M

), and app r o ve d r e g i ona l ( A R M ) m e t hod s ( 40 C F R P a r t 5 8 App e nd ix C) ;

· M ee t s i t i ng c r i t e r i a (

40 C F R P a r t 5 8 App e nd ix E) ; and

· M ee t qua li t y a ss u r anc e ( Q A ) r e qu i r e m e n ts (

4 0 C F R P a r t 58 App e nd i

x A )

.2

( 2) I s t h e P e c h a ng a m o n i t o r a r e gu la t o r y mo n i t o r ? I f s o

, w h e n d i d i t b e c om e o n e ?

C on s i d e r i ng t h e t h r e e c r i t e r i a abo ve, t h e fi na l ac t iv i t y f o r t h e i r p r o g r a m t o b e con s i d e r e d r e gu l a t o r y w a s o u r T

S A i n M a y,

2 0 10

. T h i s w a s w h e n w e con

fi r m e d t h e u s e o

f F R M/ F E M i n s t r u m e n ts

, ch e c ke d s i t i ng

, ch e c ke d Q A

, and m e t

t h e App A

r e qu i r e m e n t f

o r a T S A. T h e i r r e gu l a t o r

y da t a w a s t h e n i n v a li da t e d du e t o a s a m p li ng i ss u e s o t ha t t h ei r f

i r s t v a li d

r e gu l a t o r y da t a w a s co lle c t e d i n Augu st ( I t h i n k) 2 0 11 and t h ei r f i r s t f u ll ye a r o f r e gu l a t o r

y da t a w a s 2 0 1 2

.

( 3) C o u l d y o u s e nd m e t h e la t e s t A Q S s u m m ar y a nd d e si g n v al u e r e p o r t s i n cl ud i ng p r e li m i n a r y 2 0 1 4 d a t a f o r

Te m e c u la a nd P e c h a ng a ? S ee a t t ac h e d fi l e a nd g ra ph i c

. L e t m e k n o w if y o u h a v e a n y p r o b l e m s o p e n i ng o r

v i ew i ng t h e d a t a fil e. D on e.

( 4) Wi t h r e s p e c t t o P e c h a ng a d a t a, w h e n d o we n o l o ng e r c o n si d e r i t t o b e “ p r e l i m i n ar y ” g i v e n t h a t I d o n ’ t b e l i e v e

t h a t t h e y a nnu al c e r t if y t h e d a t a? A s I und e r s t a nd i t f r o m M e r e d i t h ’ s c om m e n t s o n t h e d raf t N P R M

, t h e d a t a

ar e c e r t ifi e d i n M a y. C o r

r e c t.

( 5) C o u l d y o u s e nd m e t h e * p d f ill u s t ra t i ng t h e “ M ax i m u m D ail y 8

- h o u r O z o n e C o n c e n t ra t i o n s f o r S e l e c te d

M o n i t o rs 2 0 1 2

- 2 0 1 4 .” S e e a tt ac h e d fi l e a nd g ra ph ic. D on e.

( 6) D i d t h e e qu i p m e n t iss u e t h a t w e fla gg e d i n 2 0 1 0 a t t h e P e c h a ng a mo n i t o r e ss e n t iall y i n v ali d a t e all o f t h e d a t a

fr o m t h e P e c h a ng a mo n i t o r p ri o r t o S e p t e m b e r 2 0 1 1? Y e s – p l e as e s e e t h e a n a l y sis t h a t we p r e p ar e d b a c k t h e n

t h a t s ugg e s t s t h is

– I h a v e n o t ye t a dd e d t h is t o t h e d r af t N F R M as a d o c k et r e f e r e n c e (a nd i t w a s n o t i n cl u d e d i n

t h e N P R M o r i t s d o ck e t ) a s I h a d b ee n l o o ki ng f o r i t o n m y c om pu t e r. D on e.

( 7) I und e rs t a nd t h a t S o u t h C o as t h as m o d ifi e d t h e 2 0 1 2 r a w d a t a c o n c e n t ra t i o n (s ) a nd t h a t

, as a r e s u l t

, t h e y l o s t

t h e ir c e r t ifica t i o n f o r t h a t y e ar, bu t I d o n ’ t k n o w w h a t t h a t m e a n s f o r o u r d e te r m i n a t i o n o f a t t ai n m e n t

. D o y o u?

I s t h i s st ill a w o r k i n p r o g r e ss ? M y l a t e s t und e r s t and i ng w a s t ha t S C

A Q M D a l t e r e d

10 da y s

. A l t hough t h i

s

r e m o v e s t h e c e r t ifi ca t i on f l ag f o r t h e e n t i r e ye a r

, m o s t o f t h e da t a r e p r e s e n t t h e v a l u e s a s t h e y w e r e c e r t if

i e d.

J e ff W e h li ng

U .S. E P A

, R e g i o n I X

, O RC- 2

75 H a wt h o r n e S t r ee t

S a n F ra n cisc o

, C A 94 1 0 5

( 4 1 5 ) 9 7 2

- 3 9 0 1