### U n i te d S ta te s En v i r o n m e n ta l P r o tecti o n A g e n cy R e g i o nIX 75 H a w th o r n e S treet S a n F r a n ci s c o, CA 94105 - 3901 A ugu s t 31, 2011 Tr an s m i tta l of EPA Ru l e R e v i e w C omments

T o: J oe Ca ss ma ss i, S outh Coa s t A i r Q ua li t y Management D i s t

ri ct j ca ss ma ssi @ aqmd.gov M i k e G u zz etta, Ca li fo rn i a A i r Re s ou rce s B oa rd mgu zz ett

@ a rb. ca.gov Fr om: A nd r

ew S te ck e l , Ru l ema k i ng O ff i c e Ch i ef s te ck e l .and r

ew @ epa.gov R e: Ru l e 1147, N Ox r edu c t i on sf r om M i sce ll aneou s S ou rce s (8/9/11 d r aft) W e a r e p r ov i d i ng comment

sba s ed on ou r

p r e li m i na ry r

e v i ew of the d r

aft ru l e i dent

i f i ed abov e. P l ea s e d i r e c t an y que s t i on s i n th i s r

ega r d to me at ( 415

) 947

- 4115 o r

to Ida li a P e r

e z at ( 415

) 972

- 3248. G ene r a l Comment C AA s e c t

i on 110 ( l ) p r

oh i b i t s EPA f r om app r ov i ng S I P r

e v i s i on sthat i nte r

fe r e w i th app li c ab l e r

equ i r ement s c on c e rn i ng atta i nment and r ea s onab l e fu r

the r p r og r e ss . T he Impa c t A na l ys i s (page 3

- 1 of D r aft S taff Repo r t ) s how sthat the de l a y i n comp li an c e dead li ne won't affe c t atta i nment o r R F P . Nonethe l e ss , i t un c l ea r how pa y ment of the m i t i gat i on fee and a cc ompan y i ng de l a y i n c omp li an c e w ill i mpa c t the e x pe c ted amount of r

edu c t i on sand the t

i m i ng of the s e r

edu c t i on sw i th r e s pe c t to R F P and atta i nment dead li ne s . T he D i s t

ri c t s hou l d fu r

the r do c ument that th i s c omp li an c e a l te rnat i v e w ill not affe c t atta i nment o r R F P

. S e c t i on S pe c i f

i c Comments 1. T he S taff Repo r

t s hou l d e x p l a i n the r

ea s on sfo r c hange sto the Comp li an c e Dete rm i nat i on S e c t i on, ( d )( 1 ) , and wh y

the c hange sa r

e app r op ri ate. 2. A def

i n i t i on of " dua l pu rpo s e bu rne r" , a su s ed i n S e c t i on ( d )( 7 )( B ) , s hou l d be added. 3. T he D i s t

ri c t s hou l d c l a ri f

y that the opt

i on of te s t

i ng on c e fo r

mu l t i p l e un i t sw i th a c ommon e x hau s t i n S e c t i on ( d )( 7 )( B ) i sa v a il ab l e on l y fo r s i m il a r

t y pe sof un i t

s . If the D i s t

ri c t i ntend sth i sopt

i on to be a l s o a v a il ab l e to d i ffe r

ent t y pe sof un i t

s v ent i ng i n pa r

a ll e l to a c ommon e x hau s t, the D i s t ri c t s hou l d e x p l a i n wh y th i s i sapp r

op ri ate. 4. S e c t i on ( d )( 7 )( B ) a ll ow

s comp li an ce fo r

mu l t i p l e un i t sto be dete rm i ned b y

te s t i ng at one l o c at

i on. B e c au s e the s e p r

ov i s i on sa ll ow s ou rce sf l e x i b ili t y to c omp l y

w i th the em i ss i on s s tanda r d s , the ru l e s hou l d add r

e ss EPA’ sgu i dan ce on e c onom i c i n c ent i v e p r og r am s , " Imp r

ov i ng A i r Q ua li t

y w i th E c onom i c

In cent i v e P r og r am s ,” J anua ry

2001 ( EPA

- 452/R

- 01

- 001 ) , a v a il ab l e at: http :// www . epa . gov /

ttn / oa rpg / t 1 / memo r anda / e i pf in

. pdf

. a. T o en s u r

e adequate dete rr

en ce to non -comp li an c e, the ru l e s hou l d s pe c i f y that s ou rce s r

e l y i ng on p r ov i s i on ( d )( 7 )( B ) that e xc eed an em i ss i on li m i t a r e li ab l e fo r

a s epa r ate v i o l at

i on at ea c h un i t fo r ea c h da y. b. T he D i s t

ri c t s hou l d add r

e sshow the ru l e p r

ov i de sfo r

an en v i r onmenta l benef

i t fo r s ou rce sut ili z i ng s e c t

i on ( d )( 7 )( B )( ii ). A n en v i r

onmenta l benef

i t i smo s t r

ead il y demon s t

r ated b y p r ov i d i ng a 10 % em i ss i on r

edu c t i on fo r the en v i r

onment. In s ome c a s e s , the en v i r onmenta l benef

i t c ou l d be add r e ss ed b y the D i s t ri c t ’ s s how i ng that the f

l e x i b ili t y p r ov i s i on i sneeded to r

egu l ate a s e c to r fo r the f i rs t t i me and/o r

e s tab li s h mo r

e s t ri ngent s tanda r

d sthan wou l d othe r

w i s e ha v e been po ss i b l e.