### F w : Two c l a r i f y i ng ques t i ons C ha r l otte W i the y to: Fr an c i sc o Donez 09 / 15 / 2012 12 : 45 PM C c: " C o ll een M c K aughan" , " St e v e F r e y" , " E ugene C hen" , " Tho m a s Webb"

Fr an c i sc o -- p l ea s e add the e xc hange between Debb i e and K e ll yto the do ck et. T han ks !

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yi ng qu e s ti o ns 

### H i D e bb i e,

H e r e ar e t h e a n s we rs t o y o u rtw o qu e s t i o n s:

1

. I s t h e S CR d e si gn e d t o o p e ra te o n t h e cl e a n si d e o rt h e up s t r e a m si d e o f t h e h o t -si d e E S P?

An s we r : T h e S CR c u rr e n t l y b e i ng i n s t all e d o n CG S U n i t 2 w ill b e l o ca te d d o w n s t r e a m o f t h e e xis t i ng h o t -si d e E S P s.

2

. D i d S ar g e n t a nd L und y u s e t h e h e a t -i npu t

- we i gh te d c om p lia n c e m et h o d i n calc u la t i ng t h e p r o j e c te d 30

- d a y N Ox e m issi o n s und e rt h e v ar y i ng l o a d c o nd i t i o n s ? I t w o u l d b e h e l p f u l if y o u c o u l d s ub m i t t h e f o r m u la t h a t S ar g e n t a nd L und y u s e d f o rt h e 30

- d a y N Ox calc u la t i o n s.

An s we r : S ar g e n t a nd L und y d i d u s e t h e h e a t -i npu t

- we i gh te d c om p lia n c e m et h o d f o rt h e ir
a n al y sis

. T h e s p e cific f o r m u la u s e d b y S &L ca n b e f o und i n t h e CG S T i t l e V o p e ra t i ng p e r m i t , w h ic h is c o n sis te n t w i t h t h e m et h o d r e qu ir e d b y t h e c o n s e n t d e cr ee.

H o p e t h is is h e l p f u l

. P l e as e l et u s k n o w if y o u h a v e a n y a dd i t i o n al qu e s t i o n s o r n ee d a n y a dd i t i o n al i n f o r m a t i o n.

### H a v e a g r e a t wee k e nd,

K e lly

F r om: D e bor a h J ord a n [ ma il t o : J ord a n
. D e bor a h@ e p ama il. e p a .gov ] S e n t: W e d n e sd a y , S e p tem b e r 12 , 2012 3:18 AM T o: B a rr Ke ll y

J C c: Mo n ta l v o Ka r a M S u b j e c t: Tw o c l a ri fy i n g q u e s t io ns

H i K e ll y,

M y te c hn i c a l s ta ff

a s k ed m e to pa ss a l ong a c oup l e o f c l a r i f y i ng que s t i on s about the i n fo r m at i on you p r o vi ded on Co r onado Un i t 2. T he i n fo r m at i on you a l r ead y ga v e u s i s e x t r e m e l y

he l p f u l . Cou l d you a s k you r peop l e to s end u s r e s pon s e s to the s e tw o que s t i on s ? A n e m a il r e s pon s e w ou l d be f i ne.

1. I s the S CR de s i gned to ope r ate on the c l ean s i de o r the up s t r ea m s i de o f

the hot -s i de ESP?
2. D i d S a r gent and Lund y u s e the heat

- i nput-

w e i ghted c o m p li an c e m ethod i n c a l c u l at i ng the p r o j e c ted 30

- da y N Oxe m i ss i on s unde r

the v a ry i ng l oad c ond i t i on s ? It w ou l d be he l p f u l i f you c ou l d s ub m i t the fo r m u l a that S a r gent and Lund y u s ed fo r the 30

- da y

N Ox c a l c u l at i on s.
I' m pa ss i ng the s e a l ong vi a e m a il j u s t to t ry to e x ped i te th i ng s

. O u r peop l e w ou l d c e rta i n l y be a v a il ab l e to ta l k , i f you need an y

add i t i ona l c l a r i f i c at i on on w hat the y ' r e t ry i ng to unde rs tand. I' m on t r a v e l th i s w ee k but w ill o f c ou rs e be c he c k i ng m y m e ss age s r egu l a r l y.
I hope a ll i s w e ll.

-- Debb ie

_________________ Debo r ah J o r dan D i r e c to r , Ai r

D ivi s i on U. S

. EPA

Reg i on 9 phone: ( 415 ) 972

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