### R e : N O 2 / N O x I n

- S t

a ck

- R a t i o D o c u m en t

a t i on and T e s t

R e s u l t s f o r P i o P i co

S h i r l e y R i v e r

a t o: S t e v e H ill 05 / 11 / 2012 07 : 24 PM

C c: C l e v e l and H o ll ada y

, G e r a r do R i o s

, R oge r K ohn

[ R oge r / G e r a r do

- F Y I

, pe r ou r d i sc u ss i on t

h i s a ft e r noon

. - S .]

============

S t e v e,

T h i s e m a il i s a f

o ll ow

- up t o ou r t e l ephone c on v e rs a t

i on t h i s m o r n i ng a m ong:

P i o P i c o t

ea m

- S t e v e H ill

, Da v e J en k i ns l

S an D i ego AP CD (S D AP CD )

- S t e v en M oo re l

EPA Reg i on 9

- C l e v e Ho ll ada y

, S e lf l

S H O R T VE R S IO N: EPA r eque s t s an a l t e r na t i v e m ode li ng e v a l ua t

i on t ha t u s e s t

he f o ll ow i ng in

- s t a ck

NO 2 / N O x r a t i o of 0

. 56 f o r Dono v an De t

en t i on Cen t er

.

D E T A I L S / D I S CU SS IO N : Wit h r ega r d s t o ou r M a rc h 22 r eque s t (s ee be l ow e m a il )

, EPA c u rr en t l y ha s

i n f o rm a t i on r e s pon s i v e t

o bo t h It e ms 1 and 2

. EPA ha s r e v i ewed P i o P i c o 's p r

opo s ed i n -s t

a ck N O 2 / N O x

r a t i o s u s ed f

o r t he P i o P i c o E ne r

g y Cen t e r t u r b i ne s i n t

he c ondu c t o f i t

s a i r qua li t

y m ode li ng ana l ys i s

. S D AP CD ha s p r

o v i ded i n f

o rm a t i on t o EPA Reg i on 9

, wh i c h i n c l ude s t he da t a we r eque s t ed o f P i o P i c o

,

a s we ll a s de scr i b i ng (

du r i ng ou r t

e l ephone c on v e rs a t

i on ) t he D i s t r i c t 's m e t hodo l og y f

o r de t e rm i n i ng t

he

r e c o mm ended v a l ue s o f 0

. 24 and 0

. 13 f o r s t a r t up / c o mm i ss i on i ng and no rm a l ope r a t i on s

, r e s pe c t i v e l y

.

F o r t he 4 f a c ili t i e s li s t ed i n It e m 2

, we a ck now

l edge t ha t P i o P i c o pe r

f o rm ed t he f u ll i m pa c t

s ana l ys i s

u s i ng t he f o ll ow i ng i n -s t a ck N O 2 / N O x r a t i o s f o r t he 4 nea r b y s ou rc e s:

Ca l pea k B o r

de r = 0

. 10

La rks pu r 1 and 2

= 0

. 10 ( f o r ea c h)

Ot a y M e s a ( T u r b i ne 1

, 2

)

= 0

. 05 ( f o r ea c h)

Dono v an De t

en t i on Cen t e r = 0

. 10

- a s we ll a s f

o r t he f i ft h f a c ili t y -

P a c i f i c Re c o v e ry Land f

ill ( eng i ne s)

= 0

. 75 ( f o r ea c h)

(P l ea s e no t

e : W e d i d no t r

eque s t add i t

i ona l i n f o rm a t i on f o r P a c i f i c Re c o v e ry .)

As we d i sc u ss ed t

h i s m o r n i ng

, we w

ill c on t i nue t o p r o c eed w i t h ou r de v e l op m en t o f t

he a i r qua li t

y i m pa c t s

ana l ys i s po r

t i on o f ou r f

a c t s hee t, c on s i de r i ng t he i n f o rm a t i on P i o P i c o ha s p r

o v i ded r ega r d i ng t he

i n -s t a ck N O 2 / N O x r a t i o s

. M eanwh il e

, a s we a l s o d i sc u ss ed t h i s m o r n i ng

, EPA r

eque s t s an a l t e r na t i v e

m ode li ng e v a l ua t

i on t ha t u s e s t

he f o ll ow i ng i n -s t a ck N O 2 / N O x r a t i o s:

Ca l pea k B o r

de r = 0

. 10

La rks pu r 1 and 2

= 0

. 10 ( f o r ea c h)

Ot a y M e s a ( T u r b i ne 1

, 2

)

= 0

. 05 ( f o r ea c h)

Dono v an De t

en t i on Cen t e r = 0

. 56

P a c i f i c Re c o v e ry Land f

ill ( eng i ne s)

= 0

. 75 ( f o r ea c h)

P l ea s e no t

e t ha t t he d i ff e r en c e i s s pe c i f

i c on l y t o t he p r opo s ed Dono v an De t

en t i on Cen t e r r a t i o

, i

. e

., i n

add i t i on t o t he e v a l ua t

i on p r o v i ded a t 0

. 10

, we a r e r eque s t i ng t ha t 0

. 56 a l s o be m ode l ed

. W e ba s e t h i s

r eque s t on ou r r

e v i ew o f t

he i n f o rm a t i on p r o v i ded b y t

he S D AP CD

, i

. e

., t

he a v e r age o f 7 s ou rc e t

e s t s ( i

. e

., 2004

- 2006 and 2008

- 2011 )

.

T he s u mm a ry t

ab l e be l ow c on t

a i n s e xc e r p t

s f r o m an S D AP CD Exc e l wo rks hee t f o r 2004

- 2009 a v a il ab l e

da t a

. W e ha v e added t

he s ou rc e t

e s t da t a f o r 2010 and 2011

, ba s ed on add i t i ona l i n f o rm a t i on S D AP CD

f o r wa r ded t o u s v i a e m a il t

h i s m o r n i ng

.============

- S h i rl

W ee k o f May 7

: O u t o f o ff i ce - M o n (0 5 / 0 7 )

, W e d (0 5 / 09)

Wee k o f M ay

14 : O u t o f o ff ice

- M on (0 5

/ 1 4 ), T e n t a t i v e O ut F r i (0 5

/ 1 8)

____________________________________________________________ S h i r l e y F

. R i ve ra

T : ( 415 ) 972

- 3966 | F : ( 415 ) 947

- 3579

| R i ve r a.S h i r l e y@ e p a. g ov | W o r k s p a c e #17112

U

. S

. E P A

, R e g i o n 9

, A i r P e r m i t s O ff i c e (

A I R- 3 ) | 75 H a w

t h o r n e S t

., S an F r an c is

c o

, C A 94105

C l e v e l and Ho ll aday 03 / 22 / 2012 06 : 36 : 29 PM S t e v e

, As I ag r

eed t o do i n t he M a rc h 8

, 2012

...

F r o m: C l e v e l and H o ll ada y / R 9 / U SEPA / US

T o: S t

e v e H ill < S H ill @ s i e rr

a r e s ea r c h

. c o m>

C c: S h irl e y R i v e r a / R 9 / U SEPA / U S @ EPA

D a t e: 03 /

22 / 2012 06 : 36 PM

S ub j e c t: N O 2 /

N O x I n

- S t

a ck

- R a t i o D o c u m en t

a t i on and T e s t R e s u l t

s f o r P i o P i co

S t e v e,

As I ag r eed t o do i n t he M a rc h 8

, 2012 m ee t

i ng

, I c a ll ed S t

e v e M oo r e o f t he S an D i ego A i r P o ll u t i onCon t

r o l D i s t r i c t t h i s a ft e r noon abou t t

he NO 2 / N O x in

- s t

a ck

- r a t i o do c u m en t

a t i on t ha t wa s p r

o v i ded t o P io

P i c o b y t he d i s t r i c t. B a s ed on t

ha t c a ll

, I a m r

eque s t i ng t he f o ll ow i ng i n f o rm a t i on wh i c h need s t

o be

p r o v i ded b y t

he app li c an t f

o r ou r ad m i n i s t

r a t i v e r e c o r d f o r t h i s p r o j e c t.



### 1 : P i o P i c o ha s s e l ec t e d an in

- s t a ck NO 2 

### / N O x r a ti o f o r its t h r ee c o m bu s ti on t u r

b i n e s as

f o ll o ws : e qua l t o 0

. 13 f

o r no r m a l op e r a ti on s and e qua l to 0

. 24 f o r s t a r t up op e r

a ti ons

. P io

P i c o s t a t e d t ha t t h e r

a ti o s w e r e d e r i ve d f

r o m s ou r ce t e s t da t a f

o r f ou r na t u r al

- gas

- f i r ed

LM 6000 P C Sp r i n t t u r

b i n es ( e qu i

pp e d w it h w

a t e r i n j ec ti on

, S C

R, and o x i da ti on c a t a l

y s ts )

and e l eve n na t u r

a l- gas

- f i r e d G E F r a me 5 t u r b i n e s ( w it h w

a t e r i n j ec ti on bu t no o t h e r N

Ox

c on t r o l s and no o x i da ti on c a t a l y st ). E P A n ee d s t o c on f i r m t h e p r opo s e d r a ti o s f o r u s e i n t he

1

- hou r NO 2 

### N

AA Q S a i r qua lit

y m od e li ng

.

Sp ec i f i c i n f o r m a ti on r e ga r d i ng t h e f ou r L M 6000 P C Sp r i n t t u r

b i n e s and e l eve n G

E F r a me 5

t u r b i n e s ha s no t b ee n p r

o v i d e d

. T h e app li c an t s hou l d p r

o v i d e t h e s ou r

ce t e s t da t a t ha t it

ha s r e li e d upon t o j u s ti

f y t h e 0

. 13 and 0

. 24 r

a ti o s

. T h i s s hou l d i n c l ud e

, a t a m i n i m u m:

s ou r ce t e s t r e s u lts

, l



### s ou r ce t e s t s uppo r t i n

f o r m a ti on t o c on

f i r m t e s t c ond iti on s and e qu i p m e n t op e r

a ti on s

, l



### and

t h e s ou r ce t e s t m e t hodo l og y. l



### T h e app li c an t s hou l d c on

f i r m i f t h e s ou r ce t e s t da t a r

e li e d upon i s a r

e s u lt o f e m i ss i on s

c o m p li an ce t e s ti ng o r a r

e s u lt o f o t h e r c i r

c u m s t an ce s ( s u c h a s C

E M s i n f o w h i c h m a y ha ve

b ee n u s e d f

o r m a ll y o r i n f o r m a ll y t o d e t e r m i n e t h e r

a ti os ). B a s e d on t h i s i n

f o r m a ti on

, t h e

app li c an t s hou l d p r

o v i d e a d i s c u ss i on t ha t d e m on s t r a t e s t h e r e p r e s e n t a ti ve n e ss and

c o m pa r ab ilit y o f t h i s i n f o r m a ti on f o r its s e l ec ti on o

f t h e p r opo s e d r a ti o s f o r no r m a l and

s t a r t up op e r

a ti on s f o r t h e p r opo s e d p r o j ec t.

2 : I n add iti on

, s ou r

ce t e s t i n f o r m a ti on ( s i m il a r t o t h e f

o r m a t r e qu e s t e d abo ve ) f

o r t he

f o ll o w i ng s i

x e m i ss i on un its ( w it h t h e i r NO 2 / N O x r a ti os ) ( b e l ow

):

C a l p e a k B o r d er

U n it 1 0 .1

L a r k s pur 1 and 2

L a r k s pur 1 0 .1

L a r k s pur 2 0 .1

O t a y M e sa

T u r b i n e 1 0

. 05

T u r b i n e 2 0

. 05

D ono v an D e t e n ti on C e n t er

So l a r T u r b i n e 0

. 10

i d e n ti f i e d i n t h e a i r qua lit

y m od e li ng i npu t f

il e s and t h e app li c a ti on ( T ab l e 4

- 27

, p

. P SD

-

4

. 47 ) s hou l d b e p r

o v i d e d f o r s i m il a r r

e a s on s

.

T han k y ou

, C l e v e Ho ll adayP hone 415

- 947

- 4140

U

. S

. E P A

, R e g i o n 9

, A i r Q ua l i ty A na l y sis O ff i c e ( A I R- 7 ) | 75 H a w

t h o r n e S t

., S an F r an c is

c o

, C A 94105