## U n i t ed S t a t es E nv i r o n m en t al P r o t ec t i on A gency

R e g i on9

P r even ti on of Si g n i f i c a nt D e t e r i o r a ti on P e r m it P u rs u a nt to 40 C FR 52.21

a nd

M i n or New S o u r ce R e v i ew P e r m it in I n d i an C o u n t ry P u rs u a nt to 40 C FR

4 9

. 1 51 t hr o u gh 1 61

P S D P e r m i t: NN 14

- 0 1

T r i b a l N S R P e r m i t: T

- 00 0 2 -NN



### P e r m i tt ee:

A r i zo n a Pu b l i c S e r v i ce Co m p a n y

F o u r Co r n e r s E l ec t r i c P o w e r S t a ti o n

P

. O . Bo x 35

F r u it la n d

, N M 8741 6



### S ou r c e:

F o u r C o r n e r s P o w e r Pla n t



### So u r ce L oc a t i o n:

E n d o f S a n J ua n Co u n t y R o a d 667 5

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, N M

P u rs ua n t t o t h e p r o v i s i o n s o f t h e C l e a n A i r A c t ( C A A ) i n S u b c ha pt e r I

, p a rt s C a n d D

, a n d s e c t i o n 11 0 ( a )

, a n d t he

Co d e o f F e d e r al R e g u l a t i o n s ( C F R ) T i t le 4 0

, S e c ti o n s 52

. 2 1 a n d 4 9

. 15 1

- 1 61

, t he U n i t e d S t a t e s E n v i r o n me nt al

P r o t e c t i o n A g e n cy R e g i o n 9 ( E P A ) i s i ss u i n g a Prev e n ti o n o f Si g ni f i c a n t D e t e r i o r a ti o n (P S D ) p e r m i t a n d a M in o r

N e w S o u r ce R ev i e w (N S R ) p e r m it in In d i a n Co u n t r y t o A r i z o n a Pu b l i c S e r v i c e Co m p a n y ( A P S o r Perm itt ee )

. T h i s

p e r m it a pp l i e s t o t h e c o n s t r uc ti o n a n d o p e r a ti o n o f e q u i p m e nt a t F o u r Co r n e r s P o w e r Pla nt ( F C PP o r S o u r ce ) f o r

t h e in s t al l a ti o n o f s elec ti v e c a t aly t i c r e d uc ti o n ( S C R ) s y s t e m s o n t w o c o al-f i r e d s t e am elec t r i c g e n e r a t i ng u n it s

. In s t alla ti o n o f t h e S C R s y st e m s i s cau s i ng a s i g ni f i c a nt n e t em i ss i o n s i n c r e a s e o f o n e r e g u l a t e d N S R p o l l u t a n t

,

s ulfu r i c ac i d m i s t ( S AM )

.

A P S i s a u t h o r i z e d t o c o n s t r u c t a n d o p e r a t e t he F C PP S C R Pr oj ec t a s d e s c r i b e d he r e in

, i n ac c o r d a n ce w i t h t he

p e r m it a pp l i c a t i o n ( a n d p l a n s s u b m i tt e d w i t h t he p e r m it a pp l i c a ti o n )

, t he fe d e r a l P S D r e g ula ti o n s a t 40 C F R 5 2

. 21

,

t h e M i n o r N S R in In d i a n Co u n t r y r e g u la t i o n s a t 4 0 C F R 49

. 1 51

- 1 61

, a n d o t he r t e r m s a n d c o n d it i o n s s e t f o r t h in t h i s

p e r m it

. Fa i lure t o c o m p l y w it h a n y c o n d i ti o n o r t e r m s e t f o r t h in t h i s p e r m it m a y r e s u l t in e n f o r ceme n t a c ti o n

p u r s u a n t t o s e c ti o n 113 o f t h e C A A

. T h i s p e r m it d o e s n o t r el i eve A P S f r o m t he r e sp o n s i b i l it y t o c o m p ly w i t h a n y

o t h e r a pp l i ca b l e p r o v i s i o n s o f t he CAA ( i n cl u d i n g a pp l i ca b l e i m p l em e n ti n g r e g u l a t i o n s in 4 0 C F R p a r t s 51

, 52

, 60

, 6 1

, 63

, a n d 72 t h r o u g h 75 ) , o r o t he r fe d e r a l

, t r i b al

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.

P e r 40 C F R 5 2

. 21 1 24

. 15 ( b ) a n d 4 0 C F R 4 9

. 1 59( a ) t h i s p e r m it b ec o me s effec ti ve o n [ I N S ER T D A T E ]

. 30 d a y s af t e r

s e r v i ce o f n o t i c e o f t h i s f in a l p e r m it d ec i s i o n u n l e s s r ev i e w i s r e q u e s t e d o n t he p e r m it p u r s u a nt t o 4 0 C F R 12 7

. 1 9

o r 4 0 C F R 4 9

. 1 5 9 (d ).

__ _ _ _ __ _ __ _ _ _ __ _ __ _ __ _ _ _ __ _ __ _ __ _ __ _ __ _ _ _ __ _ __ _ _ _ _ _ __ _ __ _ _ _ __ _ __ _ _ _ __ _ __ _ __ _ _ _ __ __ __ _ _ _ __ _ __ _ _ _ De bo r ah J o r d a n Da t e

D i r ec t o r , A i r D i v i s i o nP a g e 2 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t 

## P r oj e c t D e sc r i pt i o n

T h e F C PP S C R P r oj ec t ( P r oj ec t ) c o n s i s ts o f:

· I n s t a l la t i o n o f S C R s y s t e m s o n E m i s s i o n s U n i ts 4 B 4 a n d 5 B5 ;

· In c r e a s e d t r uc k t r aff i c o n p ave d r o a d s f o r d el i ve r y

o f hy d r a t e d l i me ;

· In c r e a s e d t r uc k t r aff i c o n p ave d r o a d s f o r d el i ve r y

o f u r e a p el l e ts

, a q u e o u s am m o ni a

, o r a n h y d r o u s

amm o n i a ;

· A pn euma t i c t r uc k u n l o a d in g s y s t em a n d s i l o f o r hy d r a t e d l i me ; a n d

· A pn euma t i c t r uc k u n l o a d in g s y st em a n d s i l o f o r u r ea p el l e t s O R a pn euma t i c t r uc k u n l o a d in g s y s t em a n d

s t o r a g e t a n k f

o r a q ue o u s a m m o n i a o r a n hy d r o u s am m o ni a

.

In a d d i ti o n

, m i n o r N S R p o r ti o n o f t h e p e r m it i n c lu d e s a 220 MMB t u/h r l i m it e d -u s e n a t u r a l g a s au x i l i a r y bo i ler t ha t

w a s a pp r o v e d b y E P A o n M ay 1 5

, 2 012 p u r s u a nt t o 40 C F R 49

. 153( a )( 2 )

.

T h e P r oj ec t w i ll b e l o ca t e d i n a n u n in c o r p o r a t e d a r ea o f S a n J ua n Co u n t y

, N e w M e x i c o n ea r t he t o w n o f F r u it la n d

,

o n t he N ava jo N a t i o n I n d i a n R e s e r va ti o n

.

T h i s p e r m it r e q u i r e s t he u s e o f B e st A va i la b l e Co n t r o l T ech n o l o g y ( B A C T ) t o l i m i t em i s s i o n s o f s ulfu r i c ac i d m i s t

( S A M ) t o t h e gr e a t e s t e x t e n t fe a s i b l e . A i r p o l l u ti o n e m i s s i o n s f r o m t he P r o j e c t w i l l n o t c a u s e o r c o nt r i b u t e t o

v i o la ti o n s o f a n y N a t i o n al A m b i e nt A i r Q ual it y S t a n d a r ds (N AA Q S ) o r a n y a p p l i ca b l e P S D i n c r eme n t s f o r t he

p o llu t a n t s r e g u l a t e d u n d e r t he P S D p e r m it

.



## E q u i p m e n t Li s t

E m i s s i o n s

U n i t

(E U ) ID C o n s t r u c t i o n

D a t e D e s cr i p t i o n C o nt rol E qu i p m e n t A u th o r iz e d b y th i s

P e r m i t

E U4 B4 196 9 Co al-F i r e d E l e c t r i c G e n e r a t in g

U n i t

, 750 M W

, a pp r o x i m a t e l y

7

, 411 MMB t u / h r S C R

, D SI s y s t em u s i ng h y d r a t e d l i m e

E U5 B5 1970 Co al

- F i r e d E l e c t r i c G e n e r a ti ng

U n i t

, 750 M W

, a pp r o x i m a t e l y

7

, 411 MMB t u / h r S CR

, D SI I n j e c t i o n u s in g hy d r a t e d l i me

E U660 N/ A T r u c k T r a f f i c f o r S o r b e nt Del i v e r y W e t s u p p r e s s i o n

E U761 N/ A T r u c k T r a f f i c f o r S C R R e a g e n t

D e l i v e r y W e t s u p p r e s s i o n

E U8 1 N /A P n euma ti c Del i ver y S y s t e m a n d

S t o r a g e Si l o f

o r H y d r a t e d L i m e B in v e nt (f a b r i c f i l t e r)

E U92 N/ A P n euma ti c Del i ve r y S y s t e m a n d

S t o r a g e Si l o f

o r S C R R ea g e n t (Ur ea

Pelle t s) B in v e nt (f a b r i c f i l t e r)

E U10 A U X

A

- 01 201 2 220 M MB t u/h r N a t u r a l G a s -F i r e d

Bo i l e r Fl ue G a s R e c i r cula ti o nP a g e 3 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t 

## P e r m i t T e r m s a nd C o nd i t i o ns

I. G e n er a l P r o v i s i o n s

1. P e r m it E

xp i r a t i on

A s p r o v i d e d in 4 0 C F R 52

. 21(r)

, u n le ss E P A g r a n ts a n e x t e n s i o n p u r s u a nt t o 4 0 C F R 5 2

. 21 ( r) ( 2 )

, t h i s p e r m it

s ha l l b ec o me in v a l i d i f :

a. C o n s t r u c ti o n d o e s n o t c o m m e n ce ( a s d ef i n e d i n 4 0 C F R 5 2

. 21( b ) ( 9) ) w it h i n 1 8 m o n t h s af t e r t he p e r m i t

b ec o me s ef

f e c t i ve ;

b. C o n s t r u c ti o n i s d i s c o n ti n ue d f o r a p e r i o d o f 1 8 m o n t h s o r m o r e ; o r

c. C o n s t r u c ti o n i s n o t c o m p l e t e d w it h i n a r ea s o n a b l e t i me

.

2. P e r m it N o t i

f i c a t i on R e q u i r e m en ts

T he Perm i t t e e s hall n o t i fy E P A b y le tt e r ( p o s t ma r k e d b y t he ti mel i n e s b e l o w) o r b y em a i l

, a t A E O _R 9 @ e p a

. g ov

,

o f :

a. T he d a t e c o n s t r u c t i o n i s c o mme n c e d

, w i t h in 3 0 d a y s o f s uc h e ve nt ;

b. T he ac t ual d a t e o f i ni t i a l s t a r t u p

, a s d ef i n e d i n 40 C F R 60

. 2

, w it h i n 15 d ay s o f s uch e ve nt ; a n d

c. T he d a t e u p o n w h i ch in i t i al p e rf o r ma n ce t e s ts w i l l c o m m e n ce

, i n a c c o r d a n ce w it h t h e p r o v i s i o n s in

C o n d i ti o n 24

, n o t le s s t h a n 3 0 d a y s p r i o r t o s uc h d a t e

. N o ti f i c a t i o n m a y b e p r o v i d e d w it h t h e s u b m i t t al o f

t he p e r f o r ma n ce t e s t p r o t o c o l ( s ) r e q u i r e d p u rs ua n t t o Co n d i ti o n 13 .b

.

3. S o u r ce Op e r a t i on

A t a l l ti me s

, i n c lu d i ng p e r i o d s o f st a r t u p

, s hu t d o w n

, s ha k e d o w n

, a n d m a l f u n c ti o n

, t he P e r m itt ee s hall

, t o t he

e x t e nt p r ac ti ca b le

, ma i n t a in a n d o p e r a t e t he fa c i l it y t ha t i s s u bj ec t t o t h i s p e r m it ( S o u r ce )

, in c l u d in g a s s o c i a t e d

a i r p o l lu ti o n c o nt r o l e q u i p m e nt

, in a m a nn e r c o n s i s t e nt w i t h g o o d a i r p o l l u t i o n c o nt r o l p r ac ti c e s f o r

m ini m i z in g e m i s s i o n s

. D e t e r m in a t i o n o f w he t he r acce pt a b le o p e r a ting a n d ma i nt e n a n ce p r o ce d u r e s a r e b e i n g

u s e d w i l l b e o n i n f

o r ma ti o n ava i la b l e t o E P A w h i ch may i n c lu d e , b u t i s n o t l i m i t e d t o

, m o n i t o r i n g r e s u l ts

,

o p ac i t y o b s e r va ti o n s

, r e v i e w o f o p e r a t i ng a n d ma i nt e n a n ce p r o c e d u r e s

, a n d in s p ec t i o n o f t h e S o u r ce

.

4. M a l f un c t ion R e

p o rt

a. T he Perm itt ee s hall n o ti fy E P A a t A E O _R 9 @ e p a

. g ov w it h in tw o (2) w o r k i ng d a y s f o l l o w i n g t he d i s c o ve r y

o f a n y fa i lure o f e q u i p m e n t l i s t e d in t h i s p e r m it ( s e e E q u i p m e nt L i s t a bo ve ) , o r fa i lure o f a p r o c e s s l i st e d

in t h i s p e r m it t o o p e r a t e in a n o r mal m a nn e r

, w h i ch r e s u l t s in a n in c r e a s e in em i s s i o n s a bo v e a n y

a l l o w a b le em i s s i o n l i m it s t a t e d in S e c ti o n s I I

- I I I o f t h i s p e r m it

. b. T he Perm itt ee s hall p r o v i d e a n a d d i ti o n al n o t i f i ca t i o n t o E P A i n w r i ti n g o r ema i l w i t h i n 15 d ay s o f a n y

s u ch f a i l u r e d e s c r i b e d i n u n d e r Co n d i ti o n 4

. a

. T h i s n o t i f i ca ti o n s hall in c l u d e a d e s c r i p ti o n o f t he

malfu n c ti o n in g e q u i p m e n t o r a b n o r mal o p e r a ti o n

, t he d a t e o f t he i n it i al mal f u n c ti o n

, t he p e r i o d o f t i me

o ve r w h i c h em i ss i o n s w e r e in c r ea s e d d ue t o t he fa i lure

, t h e c a u s e o f t he fa i lu r e

, t he e s ti ma t e d r e s ul t a n t

em i s s i o n s i n e x c e ss o f t h o s e al l o w e d i n S ec t i o n s II

- I I I

, a n d t he me t h o ds u t i l i z e d t o m i t i g a t e em i s s i o n s a n d

r e st o r e n o r mal o p e r a t i o n s

.

c. Co m p l i a n c e w i t h t h e m a l f u n c ti o n n o t i f i ca ti o n r e q u i r eme nt s in C o n d i ti o n 4 s hall n o t e x cu s e o r o t h e r w i s e

c o n s t i t u t e a d e f

e n s e t o a n y v i o la t i o n o f t h i s p e r m it o r a n y l a w o r r e g u l a ti o n s u c h m a lfu n c ti o n m a y c a u s e

.

5. I n s p e c t ion a nd En try

T he E P A R e g i o n al A d m i n i s t r a t o r

, a n d/ o r a n a u t h o r i z e d r e p r e s e n t a ti ve

, u p o n p r e s e nt a ti o n o f p r o p e r

c r e d e n ti al s

, s hall b e p e r m it t e d t o :

a. E n t e r u p o n t he p r em i s e s w he r e t h e S o u r ce i s l o c a t e d o r em i s s i o n s

- r e l a t e d a c t i v it y i s c o n d uc t e d ; o r w h e r e

r e c o r ds a r e r e q u i r e d t o b e k e p t u n d e r t he t e r m s a n d c o n d it i o n s o f t h i s p e r m it ;

b. H ave acce ss t o a n d c o p y

, a t r e a s o n a b le ti me s

, a n y r ec o r ds t ha t a r e r e q u i r e d t o b e k e pt u n d e r t h e c o n d i t i o n s

o f t h e p e r m i t ;P a g e 4 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t c. I n s p e c t

, d u r in g n o r mal b u s i n e s s h o u r s o r w h i l e t he s o u r ce i s in o p e r a ti o n

, a n y fa c i l i t i e s

, e q u i p m e n t

( in clu d i n g m o n i t o r i n g a n d a i r p o l l u ti o n c o n t r o l e q u i p me n t )

, m e t h o d

, p r ac ti ce s o r o p e r a ti o n s r e g u la t e d o r

r e q u i r e d u n d e r t h e p e r m it ;

d. S am p le o r m o n it o r s u b st a n ce s o r p a r ame t e rs s u b j e c t t o t he r e q u i r e me nt s in t h i s p e r m i t ; a n d

e. R ec o r d a n y i n s p e c ti o n b y u s e o f w r i t t e n

, e l e c t r o ni c

, ma gn e t i c a n d p h o t o g r a p h i c me d i a

.

6. T r a n s f er of O w ne r

s h ip

I n t he eve n t

o f a n y cha ng e s i n t he Perm i t t ee l i st e d o n t h i s p e r m i t

, t he Perm i t t e e mu st s u b m i t a w r i t t e n o r

e l e c t r o ni c n o t i c e t o E P A w it h in 3 0 d a y s af t e r t he c h a ng e in Perm i t t ee i s e f f e c ti ve

. I n t he n o ti ce

, t he s u c c e e d i ng

Per m i t t e e m u s t p r o v i d e a w r i t t e n a g r e e m e nt c o n t a i ni n g a s p ec i f i c d a t e f o r t r a n s fer o f t he Perm itt ee

, a n d a n

ef f e c t i ve d a t e o n w h i c h t h e n e w P e r m i tt e e a ss u m e s p a rt i a l a n d / o r fu l l c o v e r a g e a n d l i a b i l it y u n d e r t h i s p e r m it

. T he s u b m i t t al m u st i d e nt i fy t he p r ev i o u s o w n e r

, a n d u p d a t e t he n ame

, s t r ee t a d d r e s s

, m a i l i n g a d d r e s s

, c o nt ac t

in f o r ma ti o n

, a n d a n y

o t he r i n f o r ma t i o n a bo u t t h e S o u r ce i f it w o ul d c h a ng e a s a r e s ul t o f t h e c ha n g e o f

o w n e r s h i p . T he Perm i t t e e s hall e n s u r e t ha t t he S o u r ce r ema i n s in c o m p l i a n ce w i t h t h i s p e r m i t d u r in g a n y s u ch

t r a n s fer o f

o w n e rs h i p

.

7. S e v e r a bi l i ty

T he p r o v i s i o n s o f t h i s p e r m i t a r e s e v e r a b le

. I f a n y p o r ti o n o f t h i s p e r m i t i s hel d i n v al i d

, t h e r ema inin g

t e r m s a n d co n d i t i o n s o f t h i s p e r m i t s h a ll r e m a in v a l i d a n d i n f o r ce.

8. A d h e r

e n ce to A pp l i ca t ion a nd C o m p l i a n ce w i th o th er E n vi r o n m e n t al L aws

T he Perm i t t e e s hall c o n s t r uc t t he Pr oj ec t a n d o p e r a t e e q u i p me n t l i s t e d in t h i s p e r m it ( s ee E q u i p m e nt L i s t

a bo ve ) i n c o m p l i a n ce w i t h t h i s p e r m it

, t h e a pp l i c a t i o n o n w h i ch t h i s p e r m it i s b a s e d

, a n d all o t he r a pp l i ca b l e

f e d e r al

, st a t e

, a n d l o cal a i r q u a l it y r e g u la t i o n s

. T h i s p e r m i t d o e s n o t r elea s e t h e Perm itt ee f r o m a n y l i a b i l it y f

o r

c o m p l i a n c e w it h o t h e r a p p l i ca b l e f e d e r al

, st a t e

, a n d l o c a l e n v i r o n m e nt al la ws a n d r e g ula ti o n s

, in c l u d in g t he

C l e a n A i r A c t

.

9. Co m p l i a n ce

T he Perm i t t e e m u st c o m p ly w i t h a l l p r o v i s i o n s o f t h i s p e r m i t

. N o n c o m p l i a n c e w i t h a n y p e r m it p r o v i s i o n i s a

v i o l a t i o n o f t h e p e r m it a n d may c o n s t i t u t e a v i o la ti o n o f t he C AA a n d i s g r o u n d s f o r a n e n f o r ceme n t a c t i o n

.

1 0. U n a v a i l a b le De

f en se

I n a n e n f o r ceme n t a c ti o n it s hall n o t b e a d ef e n s e f o r t he P e r m itt ee t h a t it w o u l d h a ve b ee n n ec e ss a r y t o hal t o r

r e d u ce t h e p e r m it

t e d a c t i v i t y in o r d e r t o ma i n t a i n c o m p l i a n c e w i t h t he p r o v i s i o n s o f t h i s p e r m it

.

1 1. P r o p e rty R ig hts

T he p e r m i t d o e s n o t c o n vey a n y p r o p e r t y r i g h ts o f a n y s o r t o r a n y e x c lu s i ve p r i v i le g e

.

1 2. C r e d i b le E vi d e n ce

F o r t h e p u r p o s e o f e s t a b l i s h in g w h e t he r t he P e r m i t t e e v i o l a t e d o r i s in v i o la t i o n o f a n y r e q u i r e m e nt o f t h i s

p e r m it

, n o t h i n g s h a l l p r e clu d e t he u s e

, i n clu d i n g t h e e x c lu s i ve u s e , o f a n y c r e d i b le e v i d e n c e o r in f o r ma t i o n

r e leva nt t o w he t he r a s o u r ce w o ul d have b ee n in c o m p l i a n c e w it h a p p l i ca b le r e q u i r eme nt s i f t h e P e r m itt ee ha d

p e r f o r me d t h e a p p r o p r i a t e p e rf o r ma n c e o r c o m p l i a n ce t e s t o r p r o ce d u r e

.

1 3. P e r f o r m a n ce T e s ts

a. T he Perm itt ee s hall s u b m it a t e s t r e p o r t t o E P A w i t h i n 60 d ay s af t e r t he c o m p le ti o n o f a n y r e q u i r e d

p e rf o r m a n ce t e s t . A t a m i ni mum

, t he t e s t r e p o r t s h a ll in c l u d e:

1. A d e s c r i p t i o n o f t he E m i ss i o n s U n i t a n d s a m p l i n g l o ca ti o n ( s) ;

2. T h e ti me a n d d a t e o f e ac h t e s t ;

3. A s umma r y

o f t e st r e s u l ts

, r e p o r t e d in u n i ts c o n s i s t e n t w i t h t he a p p l i ca b le st a n d a r d ;

4. A d e s c r i p t i o n o f t he t e s t m e t h o d s a n d q u a l i t y a s s u r a n ce p r o ce d u r e s u s e d ;P a g e 5 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t 5. A s umma r y

o f a n y d ev i a t i o n s f

r o m t he p r o p o s e d t e s t p la n a n d j u s ti f i c a t i o n f o r w hy t he d ev i a t i o n (s )

w a s n ece s s a r y ;

6. T h e a m o u nt

o f fuel b u r n e d

, r a w m a t e r i al c o n s u me d

, a n d / o r p r o d uc t p r o d uc e d d u r in g each t e st r u n ;

7. O p e r a t i ng p a r ame t e rs o f t h e s o u r ce a n d c o nt r o l e q u i p me nt d u r i n g e a c h t e s t r u n ;

8. S a m p le calcula t i o n s o f e q ua ti o n s u s e d t o d e t e r m i n e t e s t r e s ul ts i n t h e a pp r o p r i a t e u n i ts ; a n d

9. T h e n ame o f t he c o m p a n y o r e n ti t y p e rf o r m in g t h e a n aly s i s

. b. F o r each p e r f

o r ma n ce t e s t r e q u i r e d b y t h i s p e r m it

, t he P e r m itt ee s h a l l s u b m it a p e r f o r ma n ce t e s t

p r o t o c o l t o E P A n o la t e r t h a n 3 0 d ay s p r i o r t o t he t e s t t o a l l o w r ev i e w o f t he t e s t p la n a n d t o a r r a n g e f o r

a n o b s e r ve r t o b e p r e s e n t a t t h e t e s t . T he p e r f o r ma n ce t e s t s hal l b e c o n d u c t e d in acc o r d a n c e w i t h t h e

s u b m itt e d p r o t o c o l

, a n d a n y cha ng e s r e q u i r e d b y E P A.

c. Perf o r ma n c e t e s t s s hall b e c o n d uc t e d in ac c o r d a n c e w it h t he t e s t m e t h o d s s e t f o r t h in 4 0 C F R 6 0

. 8 a n d 40

C F R p a r t 6 0

, a p p e n d i x A

, a s s p ec i f i e d in t h i s p e r m i t

. In l i eu o f t he sp ec i f i e d t e s t m e t h o d s

, e q u i va l e n t

me t h o ds m a y b e u s e d w i t h p r i o r w r i t t e n a p p r o val f r o m E P A.

d. U p o n w r i t t e n r e q u e s t a n d a d e q u a t e j u s ti f i ca t i o n fr o m t he Perm i t t ee

, E P A ma y w a i ve a s p ec i f i c a nn ual t e s t

a n d / o r a l l o w f

o r t e st in g t o b e d o n e a t l e s s t h a n m a x i mum o p e r a t i n g ca p ac i t y

.

e. F o r p e rf

o r ma n ce t e s t p u r p o s e s

, s am p l in g p o r t s

, p la t f o r m s

, a n d acce s s s hall b e p r o v i d e d o n t he E m i s s i o n s

U n i t e x hau st s y s t em in a c c o r d a n c e w i t h t h e r e q u i r e me n t s o f 4 0 C F R 6 0

. 8( e )

.

1 4. R e c o r d k ee p i ng a nd R e p o r t ing

I n a d d i ti o n t o t he r ec o rdk e e p i n g a n d r e p o r t i ng r e q u i r em e n t s s p ec i f i e d i n S ec t i o n s I I

- I II t h e P e r m itt e e s hall :

a. M a i n t a in a f i le o f all r e c o r d s

, d a t a

, mea s u r e me n t s

, r e p o r t s

, a n d d o c u m e n ts r ela t e d t o o p e r a ti o n o f t he

S o u r ce

. A ll r e c o r ds s ha l l b e i n a p e r ma n e nt f o r m s u i t a b l e f

o r in s p e c ti o n

. b. T he Perm itt ee s hall ma i n t a i n r ec o r ds a n d s u b m it a w r i t t e n r e p o r t o f al l e x ce ss e m i s s i o n s a n d a n y o t he r

n o n c o m p l i a n ce w it h p e r m it c o n d i ti o n s t o E P A f o r e ac h s i x -m o nt h r e p o r t i ng p e r i o d fr o m J a n ua r y 1 t o J u n e

30 a n d f r o m J u l y 1 t o D e cem b e r 31

, e x c e p t w he n m o r e fre q u e nt r e p o r ti n g i s r e q u i r e d b y a n a pp l i c a b le

s u b p a r t , o r E P A, o n a c a s e- b y-ca s e b a s i s

, d e t e r m in e s t ha t m o r e fre q ue nt r e p o r ti n g i s n ece s s a r y t o

accu r a t e l y a s s e s s t he c o m p l i a n ce s t a t u s o f t h e s o u r c e

. E ach r e p o r t s hall b e p o st ma r k e d b y t h e 30 th 45 th

d ay f o l l o w in g t he e n d o f e a c h s i x -m o n t h r e p o r t i ng p e r i o d a n d s hall i n clu d e t h e f o l l o w in g :

1. T i m e i n t e r val s

, d a t a

, a n d m a g ni t u d e o f t he e x ce s s e m i s s i o n s ;

2. N a t u r e a n d cau s e o f t he e x c e s s e m i s s i o n s ( i f k n o w n ) ;

3. Co rr ec ti v e a c t i o n s t a k e n a n d p r e ve n ti ve mea s u r e s a d o p t e d ;

4. I f a pp l i ca b le

, a s t a t e m e n t i n t he r e p o r t sp e c i f y in g t ha t n o e x c e s s e m i s s i o n s o c c u rr e d o r t ha t t he

m o ni t o r in g e q u i p m e nt h a s n o t b ee n i n o p e r a ti v e

, r e p a i r e d , o r a d j u s t e d

, ;

5. A n y fa i lure t o c o n d u c t a n y r e q u i r e d s o u r ce t e s tin g

, m o n i t o r i n g , o r o t he r c o m p l i a n ce ac ti v i ti e s ; a n d

6. A n y v i o la ti o n o f l i m i t a ti o n s o n o p e r a ti o n

, in cl u d in g b u t n o t l i m it e d t o r e s t r i c t i o n s o n h o u r s o f

o p e r a ti o n

.

c. E x ce s s em i s s i o n s s h a l l b e d ef i n e d a s a n y p e r i o d i n w h i ch a n E m i s s i o n s U n i t ( l i s t e d i n t he E q u i p m e nt L i s t

a bo ve ) e x cee d s a n y e m i s s i o n s l i m i t s s e t f o r t h in t h i s p e r m it in S e c ti o n s II a n d III

. d. E x ce s s em i s s i o n s i n d i ca t e d b y p e r f o r ma n ce t e s t i ng o r c o m p l i a n ce m o ni t o r in g s hall b e c o n s i d e r e d

v i o la ti o n s o f t he a pp l i c a b le e m i s s i o n l i m it f o r t h e p u r p o s e s o f t h i s p e r m i t

.

e. A ll r ec o r d s r e q u i r e d b y t h i s p e r m it s hal l b e r e t a in e d f o r n o t le s s t ha n f i v e y e a r s f o l l o w i n g t he d a t e o f s u c h

mea s u r eme nt s

, m a i n t e n a n ce r e p o r ts

, a n d / o r r e c o r d s

. f. T he Perm itt ee s hall ma i n t a i n a l o g d e s c r i b i ng t he m a i nt e n a n c e a n d r e p a i r ac ti v i t i e s f o r E m i s s i on s U n it s 6

t h r o u g h 1 0 1

, 2

, 60

, 6 1

, a n d A U X A

- 01 a n d f o r t he D SI s y s t e m s a n d S C R s y st e m s f o r E m i ss i o n s U ni t s 4 B4

a n d 5 B5

, in clu d i n g t h e f o l l o w i ng in f

o r ma t i o n :

1. D a t e o f a c t i v i t y ;

2. D e s c r i p t i o n o f ac t i v it y ;

3. F o r s c h e d u l e d m a i n t e n a n ce

, t h e e l a p s e d ti me

, h o u r s o f o p e r a t i o n , o r o t he r a p p l i ca b le mea s u r e s in ce

t h e a c t i v i t y w a s la st p e r f o r me d ;

4. F o r s c h e d u l e d m a i n t e n a n ce

, t h e e l a p s e d ti me

, h o u r s o f o p e r a t i o n , o r o t he r a p p l i ca b le mea s u r e u nti l

t h e a c t i v i t y s h o ul d n e x t b e p e r f o r me d

.P a g e 6 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t 1 5. S h a k e d o wn P e r iod

T he em i s s i o n l i m it s a n d r e q u i r eme nt s i n C o n d i t i o n s 2 0 a n d 2 1 s h a l l n o t a p p ly d u r i ng t he s h a k e d o w n p e r i o d

. S h a k e d o w n i s d ef i n e d a s t he p e r i o d b e g i nn in g w i t h i n it i a l st a r t u p a s d e f i n e d i n Co n d it i o n 1 9 a n d e n d in g n o

l a t e r t ha n i n i ti a l p e r f

o r m a n ce t e st in g

, d u r in g w h i ch t he Perm itt e e c o n d uc t s o p e r a ti o n al a n d c o nt r ac t u a l t e s t i ng

a n d t u ni n g t o e n s u r e t h e s afe

, eff i c i e nt a n d r el i a b le o p e r a t i o n o f t h e e q u i p me n t

. T he s ha k e d o w n p e r i o d s h a ll

n o t e x cee d 9 0 1 80 c o n s e c u t i ve d ay s . T he r e q u i r em e nt s o f Co n d i ti o n 3 s ha l l a pp ly a t all t i me s

.

1 6. N o t i f i ca t ion of C l o s u re

T he Perm i t t e e m u st s u b m i t a r e p o r t o f a n y p e r ma n e nt o r in d e f in i t e c l o s u r e t o E P A i n w r i ti n g w it h i n 9 0 d ay s

af t e r t he ce ss a ti o n o f a n y o p e r a ti o n s a t t he p e r m i t t e d s o u r c e

. It i s n o t n ec e ss a r y t o s u b m it a r e p o r t o f cl o s u r e

f o r r e g ul a r

, s e a s o n a l c l o s u r e s

.

1 7. S i g n a t u re V

e r i f yi ng T r u th, A c c u r

ac y, a nd Co m p l e t e ne ss

A l l r e p o r ts r e q u i r e d b y t h i s p e r m i t s hall b e s i gn e d b y a r e sp o n s i b le o ff i c i al a s t o t he t r u t h

, ac c u r acy

, a n d

c o m p le t e n e s s o f t h e i n f

o r ma t i o n

. T he r e p o r t mu s t s t a t e t h a t

, b a s e d o n i n f o r m a t i o n a n d b el i ef f

o r me d af t e r

r e a s o n a b le in q u i r y

, t he st a t e m e n t s a n d in f o r ma t i o n a r e t r u e

, acc u r a t e

, a n d c o m p le t e

. I f t he Perm i t t ee d i s c o ve r s

t h a t a n y r e p o rt s o r n o ti f i c a t i o n s u b m i tt e d t o t h e r e v i e w i n g au t h o r i t y c o n t a in f a l s e

, i n accu r a t e , o r i n c o m p le t e

in f o r ma ti o n

, t he Perm itt e e s hall n o ti fy t he r ev i e w in g a u t h o r it y i m m e d i a t e l y a n d c o rr ec t o r ame n d t he r e p o r t a s

s oo n a s i s p r a c t i c a b l e

.

1 8. A g e n cy N o t i

f i ca t ions

T he Perm i t t e e s hall s e n d a l l r e q u i r e d r e p o r t s t o E P A a t :

E P A R e g i o n 9

D i r ec t o r

, En f

o r ceme nt D i v i s i o n

A t t n : A i r & T RI

, E N F-2-1

75 H a w t h o r n e S t r e e t

S a n Fra n c i s c o, C A 9 4 1 05

- 3 9 0 1

W i t h a c o p y t o :

N a va jo N a t i o n E P A

O p e r a ti n g Perm it Pr o g r am

R o u t e 112 N B l g 2 8 3 7

F o r t Def i a n ce , A Z 865 0 4

II. A d d i t i o n a l r e q u i re m e n t s f or E m i s s i o n s U n i t s 4 B4 a n d 5 B5 Pu r s u a nt t o 4 0 C F R 5 2

. 2 1 – P S D

II. a E m i ss i o n s Li m i t a t i o n s a n d Work P r a c t i c e S t a n d a r d s

1 9. S t a rt up of t he S CR

“ I ni t i al s t a r t u p ” o f t he S C R s y s t em s h a l l b e d ef in e d a s t h e f i r st u ti l i z a t i o n o f each S C R s y s t em f o r E m i s s i o n s

U n i ts ( E U) 4 B 4 a n d 5 B 5 ( E U4 a n d E U5) u p o n in s t alla ti o n

.

2 0. U p o n i niti al st a r t u p o f each S C R s y s t em

, a n d a f t e r t h e s ha k e d o w n p e r i o d i n C o n d iti o n 15

, em i s s i o n s o f s ul f u r i c

ac i d m i s t ( S A M ) i nt o t he a t m o s p he r e f r o m EU B 4 o r EU B 5 s h al l e a ch n o t e x c e e d 0

. 0 0 43 5 0

. 0 0 40 l b / MMB t u

. T h i s l i m i t s hall a pp ly u nti l t he em i ss i o n l i m i t i n Co n d i ti o n 2 1 b ec o me s a p p l i ca b le

, o r t he Perm itt ee s u b m i t s a

r e p o r t ac c o r d i n g t o t he r e q u i r eme n t s i n Co n d i ti o n s 30 t h r o u g h 32 d em o n s t r a ti n g t h a t t he l i m i t in C o n d i t i o n 21P a g e 7 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t i s n o t a c h i ev a b le

. I f s u c h a d em o n s t r a ti o n i s s u b m i t t e d

, t he l i m it i n t h i s c o n d it i o n s h a ll a p p l y u nti l t he p e r m it i s

r e v i s e d t o in c l u d e t he l i m it d e t e r m i n e d ach i eva b le

.

2 1. E x c e p t a s p r o v i d e d u n d e r C o n d it i o n 2 0

, w i t h i n 9 1 0 1

, 0 0 0 d a y s o f in i ti al s t a r t u p o f t he S C R s y s t em s o r 730 8 20

d a y s af t e r t he i ni t i al p e rf

o r ma n c e t e s t s in C o n d i t i o n 23

, w h i cheve r c o me s f i rs t

, em i s s i o n s o f S AM fr o m EU B 4 o r

EU B 5 int o t he a t m o s p he r e s hall e ac h n o t e x c e e d 0

. 0 0 2 5 l b / MMB t u

.

2 2. F o r EU B 4 a n d EU B 5 e a c h

, t he P e r m itt e e s hall o p e r a t e t he hy d r a t e d l i m e i n j ec ti o n s y s t em c o n s i s t e nt w i t h

C o n d i ti o n 23 a t all ti me s each E m i ss i o n s U ni t i s o p e r a t i n g

.

2 3. A f t e r t he i n i ti a l p e r f

o r m a n ce t e s t in C o n d i t i o n 24

, t he r a t e

, in l b / h r/ a c fm

, o f hy d r a t e d l i me in j ec t e d p r i o r t o t he

b a g h o u s e s hal l b e n o le ss t ha n t h e a ve r a g e r a t e o f hy d r a t e d l i me in j e c t e d d u r in g t h e m o st r e c e n t p e rf o r ma n ce

t e s t d em o n s t r a t in g c o m p l i a n ce w i t h t h e l i m it i n Co n d it i o n 2 0 o r 2 1

, a s a p p l i ca b le

. T h e ave r a g e r a t e s hall b e

d e t e r m in e d a s p r e s c r i b e d in C o n d i t i o n 2 8

. A f t e r t he i n iti al p e r f

o r m a n ce t e s t i n Co n d i ti o n 2 4

, t he Pe r m itt ee may

va r y t h e hy d r a t e d l i me i n j ec ti o n r a t e d u r in g t he p e r f o r ma n ce t e st i n g f

o r t h e d em o n s t r a t i o n s t u d y in C o n d iti o n

31

. S uch v a r i a t i o n s o f t he h y d r a t e d l i me in j e c ti o n r a t e s hall n o t b e a v i o l a t i o n o f t h i s p e r m i t

.

II

. b M o n i t o r i ng a nd T e s t i ng R e q u i re m e nt s

2 4. W i t h i n 60 d ay s o f ac h i e v i n g n o r mal o p e r a t i o n , b u t n o t la t e r t h a n 1 8 0 d ay s af t e r i ni t i a l s t a r t u p o f e a c h S C R

s y s t em

, t he P e r m itt ee s h all c o n d uc t a n in i ti al p e rf o r ma n ce t e s t f

o r S AM em i ss i o n s u s i n g CTM

- 1 3 A o r C T M 1 3 B,

a s a pp l i ca b le

. E ach t e s t r u n s h a l l b e a t lea s t 2 h o u r s , o r l o ng e r

, a s n ec e s s a r y

, t o m e e t t h e m ini m u m d e t ec ti o n

l i m it s o f t he t e s t me t h o d

.

2 5. F o r EU B 4 a n d EU B 5 e a c h

, t he P e r m itt e e s hall c o n d uc t a nn u a l p e r f o r ma n ce t e s t i ng f

o r S A M em i s s i o n s ( a t le a s t

27 0 d ay s a f

t e r t he m o s t r ece n t t e s t

, u n le ss a d i ffer e n t s ch e d u le i s a pp r o v e d b y E P A )

.

2 6. T he Perm i t t e e s hall in s t al l

, c a l i b r a t e

, a n d o p e r a t e a ma ss f l o w me t e r o n t he i n j ec ti o n l in e s b e t w ee n t he s o r b e n t

s t o r a g e s i l o s a n d t he in j e c ti o n p o i n t s f o r m e a s u r in g d e t e r m i n in g t he m a ss r a t e a t w h i c h hy d r a t e d l i me i s

in j e c t e d p r i o r t o t he b a g h o u s e s. I f a v o lume t r i c f l o w me t e r i s u s e d

, t he Perm itt e e s hall m o nit o r t he d e n s it y o f

h y d r a t e d l i me u s e d in t he s y s t em o n a t lea st a m o n t hly b a s i s

.

2 7. T he Perm i t t e e s hall in s t al l

, c a l i b r a t e

, a n d o p e r a t e a v o lume t r i c f l o w m e t e r p r i o r t o t he b a g h o u s e s n e a r t h e

h y d r a t e d l i me i n j ec ti o n p o i nt s f o r me a s u r in g t h e v o lume t r i c a i r f l o w p r i o r t o t he b a g h o u s e s i n t h e st a c k i n

ac c o r d a n ce w i t h 40 C F R p a r t 75

.

2 8. T he Perm i t t e e s hall m o n i t o r t he ma s s hy d r a t e d l i me in j e c t i o n r a t e (l b /hr) a n d v o lume t r i c a i rfl o w r a t e ( i n

ac t ual c u b i c fee t p e r m in u t e ( acfm ) ) a t lea s t o n ce e v e r y 15 m in u t e s a n d d e t e r m i n e t he 6 -h r r o l l in g h o u r l y

ave r a g e in j e c ti o n r a t e in l b /hr/ a c f m

. F o r e ac h 6

- h r r o ll in g ave r a g e

, t he l b /h r /acfm in j ec ti o n r a t e s hal l b e t he 6-

h r r o ll in g av e r a g e h y d r a t e d l i m e i n j ec t i o n r a t e ( l b /hr) d i v i d e d b y t h e 6

- h r r o l l in g ave r a g e a i r fl o w r a t e ( a c fm)

.

II

. c R e c o r d k ee pi ng a nd R e p or t i n g R e q u i r e m e nt s

2 9. T he Perm i t t e e s hall ma in t a in r ec o r d s o f t he hy d r a t e d l i m e i n j ec t i o n r a t e s a n d v o l u me t r i c a i rfl o w r a t e s

m e a s u r e d in C o n d i t i o n 2 8 28

.

3 0. P r i o r t o c o mme n c in g c o n s t r u c t i o n o f t he d r y s o r b e nt i n j e c t i o n s y s t e m s

, t he P e r m i t t e e s hall s u b m it t o E P A f o r

r e v i e w a n d a pp r o val d eve l o p a D e s i g n R e p o r t f o r t he d r y s o r b e nt i n j e c t i o n s y s t e m s

. T he Perm i t t ee s hall s p e c i f y

in t he De s i gn R e p o r t t he t y p e ( s ) o f hy d r a t e d l i me t o b e u s e d ( m o i s t u r e c o n t e n t a n d me s h s i z e )

, t he l o ca ti o n s

s e l e c t e d f

o r r e a g e nt i n j e c ti o n

, a n d o t he r d e s i g n p a r a me t e r s b a s e d o n ma x i m u m em i s s i o n r e d u c ti o n F o r ma tt e d: Fo n t: (D e f a u lt ) + Hea d i n gs ( C a m br ia)P a g e 8 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t ef f e c t i ve n e s s

, g o o d e n g in ee r in g j u d g me n t

, v e n d o r s t a n d a r d s

, ava i la b le d a t a

, a n d bo i ler o p e r a t i o n

. W it h i n t he

f i r st 240 d ay s o f i n iti al s t a r t u p

, t he Perm i tt ee may s u b m it t he Des i gn R e p o r t t o E PA f o r r ev i e w a n d a p pr o val

. I f

su b m i t t e d

, t he E P A s hal l r e s p o n d w it h in 6 0 d ay s o f r ece i pt o f t he D e s i g n R e p o r t w it h a n y c o m me n t s

. I f E P A

d o e s n o t r e sp o n d w i t h i n 6 0 d ay s

, t he P e r m itt ee s h all a ss u m e t he D e s i g n R e p o r t i s a pp r o ve d

. A f t e r a p pr o val

, t he

Pe r m i t t e e may ma k e r ev i s i o n s t o t he r e p o r t a n d r e- s u b m it it t o E P A f o r a 30 d ay r ev i e w p e r i o d

. I f E P A d o e s n o t

r e s p o n d w i t h i n 30 d ay s o f r ece i p t

, t he P e r m itt e e s h a ll a ss u me t h e r ev i s e d D e s i gn R e p o r t i s a p p r o ve d

. T he

D e s i gn R e p o r t s hal l b e s u b m itt e d t o t h e E n f o r ceme nt D i v i s i o n

, a s i d e nti f i e d i n Co n d i ti o n 18 w it h ema i l c o p i e s t o

A E O_ R 9 @ e p a

. g ov a n d R 9 A i rP e r m i t s @ e p a

. g ov

.

II. d

. D e m o n s t r a t i o n S t u dy

3 1. I f t he P e r m itt e e i s u n a b le t o m e e t t he l i m it i n Co n d i ti o n s 2 1

, t h e Perm i t t e e s hall s u b m it a d em o n s t r a t i o n st u d y

t o E P A t h a t s hal l i n c l u d e :

a. A t l e a s t 6 S AM p e rf

o r ma n ce t e s ts f

o r EU B 4 a n d EU B 5 each ;

b. F o r each p e r f

o r ma n ce t e s t

, S AM s hal l have b ee n me a s u r e d a t t h e e x it o f t he st a c k a n d p r i o r t o t he

hy d r a t e d l i me in j ec t i o n p o i n t a n d a f t e r t he a i r p r ehea t e r ;

c. A t l e a s t 6 p e rf

o r m a n c e t e sts f

o r f i l t e r a b le P M e m i s s i o n s u s i n g M e t h o d 5 E P A t e s t me t h o ds f o r EU B 4 a n d

EU B 5 e ach . T he s e p e rf

o r ma n ce t e st s mu s t o ccu r w h e n S AM e m i s s i o n s a r e a l s o b e i ng m e a s u r e d ;

d. T he i n j e c ti o n l o ca ti o n (s ) o f h y d r a t e d l i me d u r in g eac h p e r f o r ma n ce t e st ;

e. T he t y p e o f h y d r a t e d l i m e u s e d d u r in g each p e r f o r ma n ce t e s t ( m o i s t u r e c o n t e n t a n d m e s h s i z e ) ;

f. T he s i x

- h o u r av e r a g e hy d r a t e d l i me i n j e c t i o n r a t e ( in l b / h r/ a c f m ) d u r in g e a c h p e r f

o r m a n ce t e s t

, d e t e r m in e d acc o r d i n g t o Co n d i t i o n 2 8

.

g. T he Perm itt ee s hall v a r y t he hy d r a t e d l i m e in j e c t i o n r a t e a n d o p e r a ti n g c o n d iti o n s ( i n clu d i ng ec o n o m i z e

b y p a ss in g ) o ve r t he 6 p e rf o r ma n ce t e s ts . T he d e m o n s t r a t i o n s hall i d e n ti fy w he n a d ve r s e effec ts w e r e

ob s e r v e d ( e

. g

. , p r e s e n c e o f a s e c o n d a r y p lu m e

, p o t e nt i al p a r ti cula t e ma t t e r n o n c o m p l i a n c e ) . T he De s i gn

R e p o r t s hal l i d e n t i fy t h e a pp r o p r i a t e va r i a ti o n s in h y d r a t e d l i me i n j e c t i o n r a t e a n d o p e r a ti n g c o n d i ti o n s

. h. C o n f i r ma t i o n a n d d o cume nt a ti o n t ha t sp r a y n ozz le s a n d d e l i v e r y s y s t em s f o r hy d r a t e d l i me w e r e

o p e r a t i ng p r o p e r l y d u r in g t he p e rf o r ma n c e t e s ts

. I n c l u d in g v e n d o r in f o r m a ti o n d e s c r i b i n g p r o p e r

d el i ve r y s y s t em o p e r a ti o n

.

3 2. T he d em o n s t r a ti o n s t u d y in Co n d i t i o n 3 1 s hall b e s u b m it t e d a t l e a s t 60 d ay s p r i o r t o t he l i m it in C o n d i t i o n 2 1

b e c o m in g ef

f e c t i ve

. T h e st u d y s ha l l b e s u b m itt e d t o t he E n f o r ceme n t D i v i s i o n a s i d e n t i f i e d in C o n d i ti o n 1 8

,

w i t h em a i l c o p i e s t o A EO _R 9 @ e p a

. g ov a nd R 9 A i r P e r m it s @ e p a

. g ov

. U p o n r e v i e w

, E P A w i ll n o ti fy t he Pe r m i t t e e

o f t h e a c h i e va b l e l i m it

b a s e d o n t he d em o n s t r a ti o n s t u d y a n d p r o v i d e w r i tt e n n o t i f i ca ti o n t o t he P e r m it t e e t o

s u b m it a n a pp l i ca ti o n t o r ev i s e t h e p e r m it acc o rd i ng l y

.

III. Ad d i t i o n a l r e q u i r e m e n t s f or E m i s s i o n s U n i t s 6 t h r o u gh 9 1 , 2 , 6 0 , 6 1 , a n d A U X A

- 01 P u r s u a nt t o 4 0 CF R

4 9

. 1 3 5 ( a ) ( 2)

– M i n or N S R i n I n d i a n C ou nt r y

III. a E m i ss i o n s Li m i t a t i o n s a n d W o r k Pr a c t i c e S t a nd a r d s

3 3. V e h i c le m i le s t r avele d ( V MT ) f o r t r uc k t r aff i c a s s o c i a t e d w it h d el i ve r i e s o f hy d r a t e d l i me – EU 6 0

– t o t h e

S o u r ce s h a ll n o t e x c e e d 3 8 2

. 5 m i le s p e r 12 -m o nt h p e r i o d

.

3 4. V MT f

o r t r uc k t r aff i c a ss o c i a t e d w i t h t he d el i ve r y o f u r e a p el l e ts

, a q u e o u s a mm o n i a

, o r amm o ni a – EU 7 6 1

– t o

t he S o u r ce s hall n o t e x cee d 2 7 0 m i l e s p e r 1 2 -m o n t h p e r i o d

.

3 5. A nn u a l o p e r a t i o n o f t he h y d r a t e d l i m e st o r a g e s i l o – EU 81

– ( f o r l o a d i ng a n d u n l o a d in g o p e r a t i o n s) s h a ll n o t

e x cee d 2

, 0 0 0 h o u r s p e r 12 -m o nt h p e r i o d

.P a g e 9 of 10

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t 3 6. A nn u a l o p e r a t i o n o f t he u r e a p el l e ts st o r a g e s i l o – EU 9 2

– ( f o r l o a d i n g a n d u n l o a d i ng ) s h a l l n o t e x cee d 2

, 0 0 0

p e r 1 2

- m o n t h p e r i o d

.

3 7. A nn u a l o p e r a t i o n o f t he a u x i l i a r y bo i l e r – E U 9 E U A U X A

- 01

– s h a ll n o t e x cee d 8 7 6 h o u rs 192

, 720 M M B t u p e r

12

- m o n t h p e r i o d

.

III

. b M o n i t or i n g a nd T e s t i n g R e qu i re m e nt s

3 8. T he Perm i t t ee s hall m o n i t o r o n a m o n t hly b a s i s e a c h d el i ve r y

o f hy d r a t e d l i m e a n d t he V MT f o r each d el i ve r y

.

3 9. T he Perm i t t ee s hall m o n i t o r o n a m o n t hly b a s i s e a c h d el i ve r y

o f u r e a p el l e ts

, a q ue o u s amm o n i a , o r a m m o ni a

,

a n d t he V M T f

o r each d el i ve r y

.

4 0. T he Perm i t t ee s hall m o n i t o r o n a m o n t hly b a s i s t he h o u r s o f

o p e r a t i o n f

u e l u se o f E U9 E U A UX A

- 0 1 in MMB tu

. Mo n t hly h o u rs o f

o p e r a t i o n s ha l l b e d e t e r m in e d u s i n g a t o t a l i z i ng h o u r m e t e r.

III

. c – R e c o r d ke e pi n g a nd R e p o r t i ng R e qu i re m e nt s

4 1. T he Perm i t t e e s hall ma in t a in r ec o r d s o n a m o n t hly b a s i s o f e a c h d el i ve r y r e l a t e d t o hy d r a t e d l i m e

, i n cl u d in g

t he V M T f

o r each d el i ve r y

, a n d d e t e r m in e t h e 12

- m o nt h r o l l in g t o t a l

.

4 2. T he Perm i t t e e s hall ma in t a in r ec o r d s o n a m o n t hly b a s i s o f e a c h d el i ve r y r e l a t e d t o u r e a p elle ts

, a q ue o u s

am m o n i a , o r amm o ni a

, i n clu d i ng t h e V MT f o r each d e l i v e r y

, a n d d e t e r m in e t he 12

- m o n t h r o l l in g t o t al

.

4 3. F o r EU 71 a n d EU 28 e ach

, t h e P e r m itt ee s hal l ma i n t a in r e c o r ds o n a m o n t hly b a s i s o f t he h o u rs o f o p e r a ti o n

f o r each s i l o a n d d e t e r m in e t he 1 2

- m o n t h r o ll in g t o t a l h o u r s o f o p e r a t i o n

.

4 4. T he Perm i t t ee s hall ma in t a in r ec o r d s o n a m o n t hly b a s i s o f t he h o u r s o f

o p e r a ti o n o f EU 9 A UX A

- 01

. M o n t h ly

h o u r s o f o p e r a ti o n s hall b e d e t e r m in e d u s i ng a t o t al i z i ng h o u r m e t e r

.P a g e 10 o f 1 0

Fo u r C o r n e r s P o w e r P l a n t

P SD a nd M in o r N S R Pe rmi t A tta c h me nt A: A bb r e v i a t i o ns a nd A c r o n yms

a c f m a c tu a l c u bi c f e e t p e r m inu t e

B AC T b es t a v a i la b l e c o n t r o l t ec h n ol o g y

CAA o r t h e Ac t F e d e r al C l e a n A i r A c t

C F R C od e o f

F e d e r al R e g u l a t i o n s

E P A U ni t e d St a t es E n v i r on m e n t al P r o t ec t i o n Ag e n c y

, R e g i o n 9

E U em i ss i on s un i t

h r hou r

lb / h r po un d s p e r h o u r

N AAQ S N a t i o n a l a m b i e n t a i r q u a l i t y s t a n da r d s

NS R n e w s ou r ce r e v i e w

P M pa rt i c u la t e m a t t e r

P S D p r e v e n t i o n o f s i g n i f i c an t d e t e r io r a t i on

S A M s u l fu r i c a c id m i s t

S C R se l ec t i v e c a t a l y t i c r e d u c t i o n sy s t ems

V M T ve h i c l e m i l es tr a ve le d