AP R- 1140- 1 

## S an J oaquin V alle y

Uni f ied A i r P ollu t ion Con t r ol Di s t r i c t

I n te ri m N e w S ou r ce R e v i e w R e qu ir eme n ts f o r PM 2.5

App r o v ed B y : < s i g ned > D a t e : 10 / 27 / 09

D a v i d W a r ne r

Dir e c t o r o f P e r m i t S e r

v i c e s

P UR POSE

T he pu r po s e o f t h i s po li c y i s t o ou t li ne i n t e ri m F ede r a l N e w S ou r c e R e v i e w (N S R)

r e q u ir e m en t s f o r

PM 2 .5 f o r ne w m a j o r s ou r c e s and f ede r a l m a j o r m od i f i c a t i on s

. T he s e

r e q u ir e m en t s a r e s pe c i f i ed i n 40 C F R P a r t 51

. 165 and t he EPA E m i ss i on O ff s e t

I n t e r p r e t i v e R u li n g ( Pa r t 51

- A ppend i xS ) and a r e e ff e c t i v e a s o f J u l y 15

, 2008

.

T he A ppend i xS r e q u ir e m en t s f o r PM 2 .5 w ill app l y un t il R u l e 2201 i s a m ended t o

i n c o r po r a t e p r o v i s i on s f o r PM 2 .5 , i

. e

. no l a t e r

t han J u l y 15

, 2011

.

T he s e ne w PM 2 .5 r e q u ir e m en t s a r e i n add i t i on t o t he e x i s t i n g r e q u ir e m en t s i n R u l e 2201

t o q uan t i f y PM 10 e m i ss i on s

.

A PP L I C A B I L I T Y

T he A ppend i xS r e q u ir e m en t s a r e app li c ab l e t o ne w m a j o r PM 2 .5 s ou r c e s and f ede r a l

m a j o r m od i f i c a t i on s o f PM 2 .5 and i t s p r e c u r s o r s

. T he t h r e s ho l d s a r e a s f o ll o w s :

PM 2 .5 m a j o r s ou r c e

t h r e s ho l d 100 t on / y ea r

PM 2 .5 f ede r a l m a j o r

m od i f i c a t i on t h r e s ho l d 10 t on / y ea r

T he f ede r a l m a j o r m od i f i c a t i on c a l c u l a t i on p r o c edu r e i s c on t a i ned i n t he l a t e s t v e r s i on

o f 40 C F R 51

. 165 ( See 51.165 ( a )( 2 )(ii)( B ) t h r ou g h (D) and ( F ))

.

P l ea s e no t e t ha t t he abo v e t h r e s ho l d s a r e d i ff e r en t t han t he PM 10 m a j o r s ou r c e

t h r e s ho l d o f 70 t on /

y ea r and m a j o r m od i f i c a t i on t h r e s ho l d o f 15 t on / y ea r

.

D ue t o l a ck o f app r op ri a t e t e s t m e t hod s

, q uan t i f i c a t i on o f PM 2 .5 e m i ss i on s doe s no t

i n c l ude t he c onden s ab l e f r a c t i on o f PM 2 .5 a t t h i s t i m e . O n l y t he f il t e r ab l e po r t i on o f PM 2 .5

i s r e q u ir ed t o be u s ed t o de t e r m i ne m a j o r s ou r c e and f ede r a l m a j o r m od i f i c a t i onAP R- 1140- 2 app li c ab ili t y . B y J anua r y 1

, 2011 EPA w ill e s t ab li s h app r op ri a t e t e s t m e t hod s f o r t he

c onden s ab l e f r a c t i on o f PM 2 .5 . A f t e r t ha t da t e ( o r ea rli e r i f EPA s pe c i f i e s )

, a ll

app li c ab ili t y de t e r m i na t i on s m u s t u s e bo t h t he f il t e r ab l e and c onden s ab l e f r a c t i on s o f

PM 2 .5

.

SO 2 i s s t i pu l a t ed a s a PM 2 .5 p r e c u r s o r i n A ppend i xS. I n A ppend i xS, t he SO 2 m a j o r

s ou r c e t h r e s ho l d i s 100 t on / y ea r

, and t he m a j o r m od i f i c a t i on t h r e s ho l d i s 40 t on / y ea r

. A s t he R u l e 2201 SO 2 m a j o r s ou r c e t h r e s ho l d s ( 70 t on / y ea r) and m a j o r m od i f i c a t i on

t h r e s ho l d ( 40 t on /

y ea r) a r e e q ua l t o o r l o w e r t han l o w e r

t han t ho s e i n A ppend i xS, R u l e

2201 i s no l e ss s t ri n g en t t han A ppend i xS. A s s u c h SO 2 e m i ss i on s w ill be o m i tt ed f r o m

t he A ppend i xS c o m p li an c e de t e r m i na t i on

.

N O x i s no t s t i pu l a t ed a s a PM 2 .5 p r e c u r s o r i n A ppend i xS. H o w e v e r b y J anua r y 11

, 2011 t he Di s t ri c t m u s t e s t ab li s h i f N O x i s a p r e c u r s o r t o PM 2 .5 . At t ha t t i m e , t he Di s t ri c t

w ill ha v e t o e i t he r e s t ab li s h t ha t N O x i s no t a p r e c u r s o r t o PM 2 .5 o r e s t ab li s h a

s i g n i f i c an c e t h r e s ho l d f o r N O x a s a p r e c u r s o r t o PM 2 .5

. T he r e f o r e N O x w ill no t be

r e g u l a t ed a s a P M 2

. 5 p r e c u r s o r un t il R u l e 2201 i s a m ended

.

A ppend i xS r e q u ir e m en t s PM 2 .5 app l y t o A u t ho ri t i e s t o C on s t r u c t i ss ued a f t e r J u l y 15

, 2008

.

A PPE ND IX S R EQ U I R E M E N T S F O R PM 2 .5

A ppend i xS p r o v i de s i m p l e m en t a t i on g u i de li ne s f o r t he f ede r a l non

- a tt a i n m en t N S R

r e g u l a t i on s i n 40 C F R 51

. 165

. F o r t he pu r po s e s o f t h i s po li c y , A ppend i xS on l y app li e s

t o ne w m a j o r s ou r c e s f o r PM 2 .5 ( 100 t on /

y ea r) and f ede r a l m a j o r m od i f i c a t i on s f o r PM 2 .5 ( 10 t on / y ea r)

.

F o r pu r po s e s o f A ppend i xS, PM 2 .5 on l y i n c l ude s t he f il t e r ab l e f r a c t i on . It doe s no t

i n c l ude c onden s ab l e s

.

A ppend i xS r e q u ir e s t ha t o ff s e t s f o r PM 2 .5 e m i ss i on i n c r ea s e s be p r o v i ded f o r ne w

m a j o r s ou r c e s and f ede r a l m a j o r m od i f i c a t i on s . S u c h o ff s e t s m u s t be s u r p l u s o f

F ede r a l r e q u ir e m en t s a t t he t i m e o f A T C i ss uan c e f o r t he e m i ss i on i n c r ea s e

, i

. e

.

s u r p l u s a t t he t i m e o f u s e . P l ea s e no t e t ha t t h i s i s a m a j o r depa r t u r e f r o m t he Di s t ri c t ’ s

c u rr en t o ff s e t s y s t e m ( s u r p l u s a t t he t i m e o f E RC i ss uan c e )

.

A ppend i xS s pe c i f i e s t ha t t he d i s t an c e o ff s e t r a t i o s ha ll be a t l ea s t 1 : 1

. T he d i s t an c e

o ff s e t r a t i o f o r u s i n g PM 2 .5 e m i ss i on r edu c t i on s t o o ff s e t PM 2 .5 e m i ss i on i n c r ea s e s w ill

be t he s a m e a s t he d i s t an c e o ff s e t r a t i o s pe c i f i ed i n R u l e 2201 T ab l e 4

- 2

, i

. e

. r an g i n g

f r o m 1 : 1 t o 1

. 5 : 1 depend i n g on t he d i s t an c e be t w een t he e m i ss i on r edu c t i on and t he

e m i ss i on i n c r ea s e

.

I n t he A ppend i xS PM 2 .5 i m p l e m en t a t i on F ede r a l R e g i s t e r no t i c e EPA e s t ab li s hed a p r eapp r o v ed i n t e r po ll u t an t o ff s e t r a t i o o f SO x /PM 2 .5 = 40 : 1 f o r an y w he r e i n t he c oun t r y

.AP R- 1140- 3

Ba s ed on p r e li m i na r y g u i dan c e f r o m EPA, u s e o f an y o t he r i n t e r po ll u t an t o ff s e t r a t i o s

f o r PM 2 .5 a r e no t a ll o w ed un t il R u l e 2201 i s a m ended ( and app r o v ed b y EPA ) t o i n c l ude

p r o v i s i on s f o r

PM 2 .5 , i n c l ud i n g t he s pe c i f i c a t i on o f i n t e r po ll u t an t r a t i o s i n f o r PM 2 .5

.

I M P L E M E N T A T IO N PO L I C Y

An y A T C s i ss ued a f t e r J u l y 15

, 2008 m u s t c o m p l y w i t h t he r e q u ir e m en t s o f A ppend i xS,

a s t he y app l y t o PM 2 .5 and PM 2 .5 p r e c u r s o r s ( SO

x )

.

E x i s t i n g s t a t i ona r y s ou r c es

T he p r o c edu r e be l o w i s i n t ended t o be a s t r ea m li ned app r oa c h i n de t e r m i n i n g i f a

p r o j e c t a t an e x i s t i n g s t a t i ona r y s ou r c e i s s ub j e c t t o A ppend i xS, i

. e

. i s t he p r o j e c t a

f ede r a l m a j o r m od i f i c a t i on a t a m a j o r PM 2 .5 s ou r c e

.

St ep 1 I f t he s t a t i ona r y s ou r c e i s no t m a j o r f o r PM 10 , t he p r o j e c t i s no t s ub j e c t t o

Append i xS. N o f u r t he r ana l y s i s i s ne c e ss a r y . I f t he s t a t i ona r y s ou r c e i s

m a j o r f o r PM 10 , g o t o s t ep 2

.

St ep 2 I f t he s t a t i ona r y s ou r c e i s m a j o r f o r PM 10 , c a l c u l a t e t he e m i ss i on i n c r ea s e

i n f il t e r ab l e PM 2 .5 e m i ss i on s pu r s uan t t o t he r e q u ir e m en t s o f 40 C F R

51

. 165 . I n g ene r a l

, f o r ne w e m i ss i on un i t s t he e m i ss i on i n c r ea s e i s e q ua l

t o t he po t en t i a l t o e m i t. F o r e x i s t i n g e m i ss i on un i t s t he e m i ss i on i n c r ea s e

i s t he d i ff e r en c e be t w een t he po t en t i a l t o e m i t o r t he p r o j e c t ed a c t ua l

e m i ss i on s (i f t he app li c an t p r o v i de s a s u ff i c i en t da t a t o e s t ab li s h p r o j e c t ed

a c t ua l e m i ss i on s ) and a c t ua l e m i ss i on s

.

PM 2 .5 e m i ss i on s c a l c u l a t i on s s ha ll be ba s ed on e m i ss i on f a c t o r s f o r

f il t e r ab l e PM 2 .5 f r o m m anu f a c t u r e r’ s i n f o r m a t i on , AP 42

, o r be s t

en g i nee ri n g j ud g m en t. P l ea s e no t e t ha t s o m e c hap t e r s i n AP 42 p r o v i de

do c u m en t a t i on on t he f il t e r ab l e f r a c t i on and s i z e r an g e o f pa r t i c u l a t e

m a tt e r e m i ss i on s f r o m a pa r t i c u l a r p r o c e ss . AP 42 A ppend i xB i n c l ude s

pa r t i c u l a t e m a tt e r s i z e d i s t ri bu t i on s f o r s e l e c t ed s ou r c e s and g ene r a li z ed

s i z e d i s t ri bu t i on s

.

St ep 3 I f t he f il t e r ab l e PM 2 .5 e m i ss i on i n c r ea s e c a l c u l a t ed pu r s uan t t o 40 C F R

51

. 165 i s g r ea t e r

t han 10 t on /

y ea r , t he p r o j e c t m a y be a f ede r a l m a j o r

m od i f i c a t i on f o r

PM 2 .5

.

T o de f i n i t i v e l y de t e r m i ne i f t he p r o j e c t i s a f ede r a l m a j o r m od i f i c a t i on f o r

PM 2 .5 , de t e r m i ne i f t he s t a t i ona r y s ou r c e i s m a j o r f o r PM 2 .5 . A l t e r na t i v e l y

, t he s t a t i ona r y s ou r c e m a y s t i pu l a t e t ha t t he f a c ili t y i s a m a j o r s ou r c e f o r

PM 2 .5

.AP R- 1140- 4 S t ep 4 I f t he f a c ili t y ha s no t s t i pu l a t ed t ha t t he s t a t i ona r y s ou r c e i s m a j o r f o r

PM 2 .5 , p r e

- p r o j e c t s t a t i ona r y s ou r c e po t en t i a l t o e m i t ( SSPE1 ) f o r PM 2 .5

m u s t be c a l c u l a t ed

. R e m e m be r , PM 2 .5 e m i ss i on s on l y i n c l ude t he

f il t e r ab l e f r a c t i on

. T he c onden s ab l e f r a c t i on i s no t q uan t i f i ed

.

St ep 5 I f t he s t a t i ona r y s ou r c e PM 2 .5 po t en t i a l t o e m i t i s l e ss t han 100 t on / y ea r

, t he p r o j e c t i s no t s ub j e c t t o A ppend i xS. N o f u r t he r r e v i e w i s ne c e ss a r y

.

I f t he s t a t i ona r y s ou r c e PM 2 .5 po t en t i a l t o e m i t i s e q ua l t o o r g r ea t e r t han

100 t on / y ea r

, and t he i n c r ea s e i n e m i ss i on s f r o m t he p r o j e c t i s g r ea t e r

t han 10 t on s /

y ea r , t he p r o j e c t i s s ub j e c t t o A ppend i xS.

St ep 6 BA C T i s r e q u ir ed f o r PM 2 .5 . A BA C T ana l y s i s f o r PM 2 .5 m u s t be

pe r f o r m ed . I n t he BA C T ana l y s i s f o r PM 2 .5 , e x i s t i n g c on t r o l t e c hno l o g i e s

f o r PM 10 s hou l d be c on s i de r ed i f t he y a r e e ff e c t i v e a t c on t r o lli n g PM 2 .5

.

PM 2 .5 o ff s e t s m u s t be s u r p l u s o f f ede r a l r e q u ir e m en t s a t t he t i m e o f A T C

i ss uan c e

. T he d i s t an c e o ff s e t r a t i o f o r u s i n g PM 2 .5 e m i ss i on r edu c t i on s t o

o ff s e t PM 2 .5 e m i ss i on i n c r ea s e s w ill be t he s a m e a s t he d i s t an c e o ff s e t

r a t i o s pe c i f i ed i n R u l e 2201 T ab l e 4

- 2

, i

. e

. r an g i n g f r o m 1 : 1 t o 1

. 5 : 1

depend i n g on t he d i s t an c e be t w een t he e m i ss i on r edu c t i on and t he

e m i ss i on i n c r ea s e

.

T he i n t e r po ll u t an t o ff s e t r a t i o p r e

- app r o v ed b y EPA i s SO x /PM 2 .5 = 40 : 1

.

An a ir q ua li t y i m pa c t ana l y s i s

, a l t e r na t i v e s i t i n g ana l y s i s

, and a s t a t e

- w i de

c o m p li an c e c e r t i f i c a t i on i s r e q u ir ed

.

N e w PM 2 .5 s t a t i ona r y s ou r c es

S t ep 1 C a l c u l a t e t he PM 2 .5 SSPE 2 f o r t he ne w s t a t i ona r y s ou r c e . I f t he PM 2 .5 SSPE2 i s l e ss t han 100 t on / y ea r , t he s t a t i ona r y s ou r c e i s no t m a j o r f o r

PM 2 .5 and i s t he r e f o r e no t s ub j e c t t o A ppend i xS. N o f u r t he r ana l y s i s i s

ne c e ss a r y

. I f t he s t a t i ona r y s ou r c e i s m a j o r f o r PM 2 .5 , g o t o St ep 2

.

St ep 2 BA C T i s r e q u ir ed f o r PM 2 .5 . A BA C T ana l y s i s f o r PM 2 .5 m u s t be

pe r f o r m ed . I n t he BA C T ana l y s i s f o r PM 2 .5 , e x i s t i n g c on t r o l t e c hno l o g i e s

f o r PM 10 s hou l d be c on s i de r ed i f t he y a r e e ff e c t i v e a t c on t r o lli n g PM 2 .5

.

PM 2 .5 o ff s e t s m u s t be s u r p l u s o f f ede r a l r e q u ir e m en t s a t t he t i m e o f A T C

i ss uan c e

. T he d i s t an c e o ff s e t r a t i o f o r u s i n g PM 2 .5 e m i ss i on r edu c t i on s t o

o ff s e t PM 2 .5 e m i ss i on i n c r ea s e s w ill be t he s a m e a s t he d i s t an c e o ff s e t

r a t i o s pe c i f i ed i n R u l e 2201 T ab l e 4

- 2

, i

. e

. r an g i n g f r o m 1 : 1 t o 1

. 5 : 1AP R- 1140- 5 depend i n g on t he d i s t an c e be t w een t he e m i ss i on r edu c t i on and t he

e m i ss i on i n c r ea s e

.

T he i n t e r po ll u t an t o ff s e t r a t i o p r e

- app r o v ed b y EPA i s SO x /PM 2 .5 = 40 : 1

.

An a ir q ua li t y i m pa c t ana l y s i s

, a l t e r na t i v e s i t i n g ana l y s i s

, and a s t a t e

- w i de

c o m p li an c e c e r t i f i c a t i on i s r e q u ir ed

.