P. 1



# OAR Box 1790 Prepped by Keeia Richards



### Document

Number: 

# 241 ) II-F-3 1
Docket Number: 

# A-90-3 7

Printed 10/31/2008 12:43:17

PM Sheet 241 of 250P. 2

08/24/9 5 20:4 9 ©20 2 20 8 462 0 WAS O MR/A Q NP S 1001/02 2 A-90-3 7 TC-P-3 \ 

## United State s Departmentof th e Interio r

I N REPL Y REFERTl) : NATIONA L PAR KSERVIC E P.O . Bo x 3712 7 Washington , D.C . 20013-712 7



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I F YO U HAV E AN Y PROBLEM

S HIT H THI S FA

X O RTROUBL

E RECEIVIN

G A FA X PLEAS E CAL L TH E INDIVIDUA

L FRO N WHO M YO U AR E RECEIVIN

G TH E FAX .
DENNIS , JOH

N EADY , COLLETT

E JOHNSTON

. GAR Y KLIHINSICI, SHARO

N HALKIN , KARE N MCCLELLAND

. LINDSA Y MILLER . ABB Y PECK , DEBB Y SOUKUP , NIK E 202-208-519 3

202-208-464 0 202-208-588 6 202-208-463 9 202-219-338 4 202-208-495 8 202-208-465 0 202-208-462 4 202-208-388 4 VALKER , BILL WATK1NS

, MILH A WILSON , RIT A 202-219-338 6

202-208-491 3 202-208-388 408/24/9 5 20:5 0

OS/15/9 5 09:3 0 ©20 2 20 8 462 0 ©30 3 96 9 282 2 WAS O NR/A Q NP S WAS O DENVER ••-•- » AQ D D.C
. P. 3 1002/02 2 5002/01 6

16 7 Th e proposa l als o satisfie s the provision s unde r section165(e)(3)(B ) o f the Ac t whichrequir e ananalysi s o f th e climat e an

d meteorology , terrain , soil s an d vegetation , an

d visibilit y

"i nthe are a potentiall y affecte

d b y th e emission s fro m suchfacility. " Onc e the statu s o f th e clas s I increment s i s know nfro m th e analysi s provide d b y th e applicant , thi s latte r informationwi l id e th e basi s for a demonstrationo f whethe r the sourc e vil l have anadvers e impac t onAQRVs . Th e EPA generall y

believe s tha t the combine d informationa l requirement s contained i nthi s proposed provisio nwil l greatl y

facilitat e resolutiono f AQR

V issue s whichmus t ultimatel y be addressed a s a prerequisit e t o permi t issuance . Tha t is , th e analyse s wil l
revea l vhethe r the Clas s I increment s wil l b e violated , an d establis hthe relativ e role s o f th

e applicant: , th e TIM an d th e permitting authority i nmakin

g decision s concernin g the AQRVs . pife o ft a violationo f a clas s I increment wil l occur , th e applican t wil l provide informatio npertainin

g t o th e source' s impact s onsuchthing s a s soils , vegetatio nan d visibilit y

t o demonstrat e tha t n o advers e impac t o

nAQRVs wil l occur . I f th e FL M agree s wit hthi s demonstration , th e permittin g authorit y

may issue th e PS D permi t eventhoug ha violatio

no f a clas s I incremen t ha s beenshown . Alternatively , whe nth e applicant' s analysi s showsr^B o tho-cateisfaotio no f th e permitting-authorit%f r tha t n o violationo f a Clas s I increment wil l occur , th e

PRELIMINAR

YSTAT ? WORKIN

GDRAF T FO

ROFFIC E OF MANAGEMENT AND BUDGE T REVIE

W * DOS S NO T REPRESEN T OFFICIA

L S7 A POLICY ** * Augus t 16 , 199 5 — [fil e name i Masters.89 ] ** •

### 08<24/9 5 20:5 0 P. 4



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*d(&» I'S iMcnplih- < * • * t ©003/02 2 I S 003/01 6
J-ee . . 16 6 informatio npertainin g t o impact s o nsuc hthing s a s soils , vegetatio nan dvisibilit y wil l hel pth e FL M

oeaedMe r a nadvers e y impac t o nAQRV s wil l occurT^n dt o mak e a demonstratio no f suc h advers e impac t t o th e permittin g authority , wher e appropriate .



# 5 whil e th e Ac t i s silen t concernin g th e timin g fo r filin g thi s notice , th e EP A believe s tha t i t i s necessar y an dreasonabl e t o requir e th e FL M

o r othe r name dofficial s t o fil e th e notic e befor e th e permittin g authorit y JBsue s it s completenes s determinatio n_o nth e permi t application . On e reaso nfo r thi s i s tha t th e filin g o f th e notic e establishe s certai ninformationa l

Moreover , i t i s generall y importan t tha t th e jT<>& requirement s whic hserv e a s a measur e o f th e application' s
v , ^ completenes s 3^<^i . V notic e b e file dearl y i nth e permi t proces s s o tha t th e applica n



# £ ^ ca nprovid e th e appropriat e clas s I analyse s i na timel y manne r 

# 1 N<J X 

### s o a s no t t o dela y th e revie w

an dissuanc e o f th e permit . i e a\?fA*.nlt\*r*)«*j



### particularl y

vher e a sourc e propose s t o locat e withi n10 0 kilometer s fro m a Federa l Clas s I area, t - th e applican t ma y

rtinaacas c coordinat e wit hth e FL M prio r t o th e submitta l o f it s applicatio ni norde r t o b e abl e t o lear no f an y FLM' s concern s an dsubmi t th e Clas s I analyse s alon g wit hth e othe r require dinformatio ni nit s initia l permi t application . Othervise , th e FL M

woul dgenerall y

b e expecte dt o fil e th e notic e allegin g potentia l affect s o nth e Federa l Clas s I area , wher e appropriate , durin g th e 30-da y perio dfo r revie w

o f th e / PRELIMINAR YSTAF F WORKIN GDRAF T FO ROFFIC E O F MANAGEMEN T AN D f BUDGE T REVIE W * DOE S NO T REPRESEN T OFFICIA L EP A POLIC Y V •* • Augus t 16 , 199 5 — - [fil e name : Master6.29 ] •* •P. 5

08/24/9 5 20:5 1 ©20 2 20 8 462 0 OS/16/9 5 09:3 0 ©30 3 96 9 282 2 WAS O NR/A Q NP S WAS O DENVE R ©004/02 2 ©004/01 6

» 4 •*•*•*AQ D D.C
. U*^uv v $u CA CiVtu^S.^ ^ t k«/*A'<«-w ttuo^L/- fa-. LA flfauj- / * <P*'-(of~ tf< 

## f\ut<*ii.y c U T-*/*lix*'wrdi'H*-tyl'uti** ujo^tJiU (fatr-JLco^/eU

r completeness7~as—provide d unde r today' s proposa l
and describe d i n sectio n IV . C
. 2 o f thi s preamble"? ^ I n th e absenc e
o f a notic e bein g file d concerning potentia l Clas s I impacts , th e applican t wil l b e require d t o demonstrat e tha t emission s fro mth e propose d sourc e d o no t eaus e o r contribut e t o a violatio n o f th e Clas s l l increment s o r NAAQ S anywhere
. Today' s proposa l t o requir e th e notic e t o b e file d prio r t o th e permittin g authority' s issuanc e o f it s completenes s determinatio n i s no t intende d t o preclud e th e FL M fro mraisin g
concern s abou t potentia l affect s a t a late r tim e durin g th e V t* ^ permi t review , althoug h th e EP Aceiftainl yanticipate s tha t thi s wil l no t nee d t o occu r frequently
. Th e FL M ma yfil e a notic e a t
a late r tim e if , fo r som e reason , i t wa s no t file d prio r to'th e permittin g authority' s completenes s determination ; hovever , i n filin g late r th e FL M mus t assum e a greater ' burde n fo r demonstratin g a n advers e impac t o n AQRVs
. Tha t is , th e FL M will

_ the n hav e t o wor k wit h th e applican t an d th e permittin g authorit y t o obtai n th e necessaryinformatio n i f i t i s no t alreadv i n th e application
. Also , i n th e absenc e o f a demonstratio n tha t th e propose d sourc e wil l caus e o r contribut e t o a violatio n o f a Clas s I increment , th e FL M mus t demonstrat e t o th e satisfactio n
o f th e permittin g authorit ya n advers e impac t o n AQRVs
. Th e EP Arequest s comment s o n thi s aspec t o f th e proposa l i n ligh t o f th e specifi c implication s associate d wit h th e failur e t o
PRELIMINAR

YSTAF F WORKIN

GDRAF T FO

ROFFIC E O F MANAGEMENT AN D BUDGE T REVIE

W • DOE S NO T REPRESEN T OFFICIA

L EP A POLICY ** * Augus t 16 , 199 5 — (fil e naae : Master6.29 ] »« *P. 6

08/24/9 5 20:5 1 ©20 2 20 8 462 0 WAS O NR/A Q NP S ©005/02 2



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# F M X%>/r\. Soz-n-

e 4/* - °+ C((^^X

d/.*(ys-e4. Wi^'fafy J * <

### rAxA.

fil e a notic e allegin g potentia l clas s I impacts . Th e EPA ha s 

# V considered alternativ e approache s for triggerin g th e Clas s I analysis , includin g a mandator y Clas s I analysi s for an y propose d /majo r sourc e o

r majo r modificatio nproposin

g t o locat e withi n10 0

OPTIONAL FOR M n (7-«0 ) FA XTRANSMITTA L 

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Put 

### •ea . /Th e propose d approac h 'ilin g o f

anotice , itin g withi n 10 0 kilometer s •equire d unnecessaril y t o ^/ \
QCMeru k

eenvicE s AOMINISTRATID N 

### J ma

y hav e n o inter e \fmO v ^ Finally , source s proposin g t o locat e mor e tha n10 0 kilometer s /* " L^ s J^ fro

m a Federa l Clas s I area wil l stil l nee d som e kin d o f IMI>«

> M*^ * fro m a Federa l Clas s I area wil l stil l nee d som e kin d o f toiYh p****- ^ t triggerin

g mechanism

t o establis hth

e informationa l requiremen t for Clas s I impacts . Th e EP A i s intereste

d i n alternative approache s whic hvil l establis hth e process . analyse s a t a reasonabl e poin t i nthe Wit hregard t o the notice , itself , the EP A i s no t proposing specifi c criteri a for th e for m o f suc hnotice . Th e EP

A believes , however , tha t th e notic e shoul d be in writing , preferabl y in th e for m o f a lette r t o th e permittin g authority , an

d shoul d contai n appropriat e descriptio no f the potentia l advers e impac t o n AQRV s tha t coul d resul t fro m the change i

n ai r qualit y

cause d b

y the propose d emission s ^increas e til e th e potentia l impact s ar e naturall y

preliminary , an

d perhap s somewha t speculative , ther e shoul d be fluf/Tclunt causa l linkage betwee nthe propose d source' s
STAF F WORKIN

G DRAF T FO

R BUDGE T REVIE

W * DOE S NO T REPRESEN T •* * Augus t 16 , 199 S - — [fil e aama : Master !

TOO/TOO

® 0Q

QD V HSANH

d 0SV U ZZfi Z 69 6 C0CQ , 80*C TS6/9T/8 0P. 7

08/24/9 5 20:5 2 ©20 2 20 8 462 0 08/18/9 5 09:3 1 ©30 3 96 6 282 2 WAS O NR/A Q NP S WAS O DENVER -»-•- • AQ D D. C ©006/02 2 ©006/01 6



### specifi c pollutan t emissions , it s relativ e locatio nt o th e Clas s I area , and th e know nai r qualit y

relate dvalue s i nth e affecte d Federal Clas s I are a t o suppor t th e allegatio no f a potentia l advers e impac t o nAQRVs . Th e notic e i s intende dfo r administrativ e purpose s an d shoul dno t b e use dfo r an y prejudgmen t o nth e par t o f th e permitting authorit y a s t o whet h
any advers e impac t o nAQRV s wil l actuall y ocou r o r whethe r a 

# ?

Clas s I are a analysi s shoul db e completed . A nimportan t relate dissu e concern s th e responsibilit y fo r carryin g ou t an

y additiona l technica l analyse s whic hma y b e necessar y

fo r th e FL M

t o demonstrat e tha t a source's emission s wil l hav e a nadvers e impac t o nAQRVs . Th e EP A generall y

expect s th e analyse s performe db y th e applican t unde r th e propose d provision s t o enabl e I n some cases , however , additiona l informatio nma y b e necessar y

t o mak e a thoroug hAQR

V assessmen t an

d ther e i s a questio na s t o wh o shoul dbea r th e responsibilit y fo r suc hinformation . Th e generall y

limite dresource s availabl e t o FLM s ma y mak e i t ver y

\ J^jJ^ difficul t fo r the

m t o Independentl y

complet e al l th e additional ) M f \o analyse s whic hma y

b e needed . Applicant s fo r PS D permit s ar e typicall y

require dt o provid e informatio nand analyses necessar y fo r th e permittin g authorit y t o mak e a variet y

o f ambien t ai r qualit y decisions . Yet , applicant s shoul dno t necessaril y b e etudies^a t th e reques t expecte dt o conduc t an/unlimite dnumbe r



# \ T UU< - do«t « W *f/>(f<jJ> T

ckt ^ > ROFFIC MANAGEMEN 1 / '/.. . f PRELIMINAR YSTAF F WORKIN GDRAF T FO E O F MANAGEMEN T AN D r 

### j j - BUDGE T REVIEW

• DOE S NO T REPRESEN T OPrXGlAL EP A POLIC Y±7*0?** ** * Augus t 16 , 199 5 — - [til e name t M*ster6.29 ] •• •

ar^t.—PJ

_

08/24/9 5 20:5 2 ©20 2 20 8 462 0 WAS O NR/A Q NP S ©007/02 2 0.8/16/9 5 09:3 2 ©30 3 96 9 282 2 WAS O DENVE R-»-»-. AQ

D D.C

. ©007/01 8


# \ 17 2 

# W\&jbCK>*>* ^w^-Q^oty* . o f th e FL M i n orde r t o accommodat e th e informationa l need s tha t , r n th e FL M ma yhave
. N . 0JLP*^ k Th e EP Asolicit s publi c commen t o n thi s issu e i n orde r t o r. establis h a n equitabl e approac h fo r completin g th e require d ^ i
. analyse s fo r Clas s X area s applicabl e to\individua l PS D ., . \ QtAMth, applicants
. Specifically , th e EP Aseek s inpu t i n determinin g > vha t th e respectiv e responsibilitie s o f th e FLnsan d th e permi t applican t shoul d b e fo r carryin g ou t th e analyse s necessar yt o enabl e th e FL M t o demonstrat e a n advers e impac t o n AQRVss
. Th e EP Avil l conside r suc h inpu t an d decid e vhethe r th e regulation s shoul d explicitl yaddres s thes e individua l roles
. Propose d section s 51.l66(p)(2)(1 ) an d 52.2l(p)(2)(i ) als o recogniz e tha t th e FL K i s no t th e onl yon e authorize d b yth e Ac t t o fil e th e notic e concernin g potentia l impact s o n a Federa l Clas s I area . Specifically , sectio n 165(d)(2)(C)(i ) o f th e Ac t authorize s tha t th e notic e b e file d b yanyon e o f severa l officials , includin g th e Federa l officia l charge d vit h direc t responsibilit yfo r managemen t o f anyland s withi n th e Clas s I
are a potentiall yaffected , th e Federa l Lan d Manage r o f suc h lands , th e EP AAdministrator , o r th e Governo r o f a n adjacen t Stat e containin g suc h Clas s I lands
. Accordingly , th e EP Ai s trackin g thi s statutor yrequiremen t byincludin g i n th e proposa l tha t th e FL M o r othe r name d official s ma yfil e a notic e whe n i t i s believe d tha t a propose d sourc e ma yaffec t ai r quality^ a fi PRELIMINAR Y STAF F WORKIN G DRAF T FO R OFFIC E O P MANAGEMEN T AN D BUDGE T REVIE W • DOE S NO T REPRESEN T OFFICIA L EP APOLIC Y ** * Augus t 16 , 199 5 [fil e name : Naster6.29 ] ** *_ 9

_

08/24/9 5 20:5 3 ©20 2 20 8 462 0 WAS O NR/AQ NP S ©008/02 2 08/16/9 5 09:3 2 ©30 3 96 9 282 2 WAS O DENVE R-»-»-» AQ D D.C . ©008/01 6



## ro r ^ v* «"" ***** ' b 

## ' 17 4 PS D permi t applicant s upo n request
. ( Se e propose d sectio n 5i.i66(p)(2)(ii ) an d sectio n 52.21(p)(2)(ii)
. Specifically , th e proposa l woul d benefi t th e owne r o r operato r o f a propose d facilit ytha t ma yhav e a n adver^'impac t
o n AQRV s i n a Federa l clas s I area . Th e propose d regulation s generall ycal l fo r th e FL U t o provid e all^availabf^ ) informatio n abou t relevan t AQRV s an d method s fo r analyzin g potentia l impact s
o n thos e AQRVs
. Thi s informatio n woul d includ e a curren t listin g
o f th e AQRVs , sensitiv e receptor s an d critica l pollutan t loading s fo r eac h AQRV , a s wel l a s th e method s an d tool s (e.g. , models ) availabl e t o analyz e th e potentia l impact s fo r th e affecte d clas s I area . Th e FLM als o voul d b e expecte d t o provid e copie s
o f relevan t previou s finding s o f advers e impac t o n AQRV s tha t hav e bee n mad e a s par t o f othe r PS D permi t reviev s affectin g th e
sam e Clas s I area . Th e EP Ai s als o creating a n electroni c databas e fo r th e compilatio n o f availabl e Clas s I are a information
. Th e cooperatio n o f th e FLM s vil l b e critica l t o th e utilit yo f thi s database
. Relevan t informatio n shoul d b e entere d int o th e EP A dat a bas e a s i t become s available
. T o th e exten t tha t th e relevan t informatio n i s alread yi n th e database , i t voul d no t b e
necessar yt o provid e suc h informatio n t o a n applicant
. I f however , th e FL M ha s ne winformatio n no t ye t availabl e i n th e database , th e FU f shoul d directl yprovid e suc h informatio n t o th e

PRELIMINAR Y STAF F WORXIN G DRAF T FOR OFFIC E O F MANAGEMEN T AN D BUDGE T REVIE W * DOE S NO T REPRS8ENT OFFICIAL EP APOLIC Y •* • Augus t 16 , 199 5 —[fil e naae : Master6.29 ] ** * 

## ^^•pmsrrT^P.1 0

08724/9 5 20:5 3 05/16/9 5 09:3 3 ©20 2 20 8 462 0 ©30 3 96 9 282 2 WAS O NR/AQ NP S WAS O DENVE R 1009/02 2

•»-»- » AQ D D- C ©009/01 6

Durin g the propose

d 30-da y revie w period , th e FL

M woul d have
anopportunity

t o identify

informationa l deficiencie s an d reques t nJutMUi. i/m/€G>x

additiona l informatio ntha t ma

y nee d t o be obtained fro m th e

^ i i m ni nuna—n11 — i • i • —_-^—^————^^^_^^ ^ applican t i norde r for a nadequat e Clas s I impac t analysi s t o be completed . The FLM.ma y choos e t o fil e a^not^c e alleging potentia l Clas s I impact s (ge e sectio

nIV.Cl . o f thi s preamble ) simultaneousl y

wit ha reques t for additiona l informationor such filin g may nee d t o awai t th

e additiona l informatio nbeing requested fro

m th e applicant . Th

e EPA' s proposed regulation s woul d requir e permittin g authoritie s t o consider , inmakin g a completenes s determination , an y comment s provided b y th e FL M concernin

g the completenes s o f th e applicatio

nwithi nth e 30-da y revie w period . Se e propose d sectio

n51.166(p)(5)(iii ) an d section52.2i(p)(5)(iii) . The EP A generall y

anticipate s tha t th e permitting authorit y vil l respon

d affirmativel y

t o th e FLM' s reques t for additiona l informationan

d vil l notify

th e applican t tha t th e applicationi s incomplet e an

d requir e suc

hadditiona l informatio nfro m th e applicant . The permittin g authorit

y generall y

shoul d no t
announc e tha t anapplicatio ni s deeme

d complet e unti l th e FLM' s reques t for additiona l informatio nha s beensatisfied b y th e applicant , an

d the FL

M ha s ha d a nopportunity

t o fil e a notic e
30-da y FL M revie v perio d prior t o th

e permittin

g authority' s completenes s determinatio npropose

d elsewher e inthi s notic e [££_ , e.g. . proposed sectio n51.166(p)(5)(i)] . PRELIMINAR

YSTAF F WORKIN

G DRAF T FO

ROFFIC E OF MANAGEMEN T AND BUDGE T REVIE

V * DOE S NO T REPRESEN T OFFICIA

L EP A POLICY ** * Augus t 16 , 199 5 — [fil e name : M

a a te r 6.29 ) ** *P-1 1

08/24/9 5 20:5 4 ©20 2 20 8 462 0 ff A S0 NR/AQ NP S ©010/02 2 08/16/9 5 09:3 3 ©30 3 96 9 282 2 WAS O DENVE R->-»- » AQ D D.C . ©010/01 8

1 8 9 allowed t o complet e the demonstration . Thirty day s i s generall y
no t a sufficien t amount o f tim e for th

e FL M t o complet e a demonstrationo f anadvers e impac t o nAQRVs . Instead , th e EPA propose s tha t th e FL M b e allowe

d a t leas t 6 0 day s t o mak e th e required demonstration . Moreover , th e proposed regulation s provid e tha t th e 60-da y perio d occu r prio r t o a preliminary determinations o tha t an y demonstratio

nsubmitted b

y th e FL M ma y b e adequatel y

considere

d b y th e permittin

g authority

an d addressed a s par t o f the preliminar y determination . Se e propose d section51.166(p)(6)(1 ) an d sectio

n52.21(p)(6)(i) . Th e EP A als o believe s tha t a 60-da y period (beginnin

g o nthe dat e tha t th e permittin g authorit

y formall y

issue s it s determinationtha t the applicatio ni e complete) , take ntogethe r vit hth e improvement s addresse d abov e t o facilitat e earlie r FL M
an d permittin

g authority

coordination , provide s th e FL M vit ha
mor e reasonabl e perio d o f time . Durin

g thi s period , th e FL M may
need to^c___tae

t a variety

o f technica l analyse s or perhap s reques t (via the permittin g authority ) tha t th e applican t provid e additiona l analyse s t o provide sufficient basi s for th e demonstrafe^orTV

o b e developed . Thi s vill , o f course , depen d o n tb e amouw^/ipxormatio nalread

y containe

d i nth e applicationa s a resul t o f prio r coordinatio nabout the potentia l impact s onAQRV s i nth e Federa l Clas s I area . For example , i f th e FL M ha s issue

d notie e pursuan t t o proposed sectio n51.166(p)(2)(i ) o r
PRELIMINAR

YSTAF F WORKIN

G DRAF T FO

ROFFIC E O F MANAGEMENT AN D BUDGE T REVIE

W • DOE S NO T RBPRE8EN T OFFICIA

L EPA POLICY •• • Jul y

13 , 199 5 —

[fil e name : Haster6.29 ] ** •P.1 2

08/16/9 5 09:3 3 ©30 3 96 9 282 2 WASO DENVE R—AQ D D.C . ©011/01 6 

# i \ V 19 8 K* - \ interested i n the public' s viev s about th e creditin

g o f thos e

• r N emissionreduction s alread y require

d for othe r purpose s a s Y" . ^ I offset s for mitigatin g a proposed source' s advers e impac t on an / AQRV , A s an alternativ

e t o emission s offsets , a mor e stringen t emissio nlimitatio

nthanth

e limitatio

ntha t woul d otherwis e be required b

y BAC T ma

y b e establishe

d t o mitigat e a

n advers e impac t
o nAQRV s i n a Federa l Clas s I area . Dependin g upo nth e remaining emission s released an d the sensitivit

y o f th e AQRV s o f a Clas s I
area , a

n emission s limitatio ntha t woul d otherwis e b e require d b y BACT , i f a

n advers e impac t o

n AQRVs wa s no t considered , ma y b e inadequat e t o entirel y mitigat e th

e advers e impact . Thus , emissio noffsets , a stricte r emissio nlimitation , o r som e combinatio

no f both , ma

y b e appropriat e t o mitigat e an advers e impac t anAQRVs . Th e EF A believe s tha t measure s suc ha s emissionoffset s fro m existin g source s represen t a reasonabl e approachwhic henable s the mitigationo f a n advers e impac t o

n AQRVs . Th e EPA' s mitigationpolicy

provide s neede

d flexibility

t o the PS D permittin

g proces s b

y allowin

g a ne v majo r sourc e o r majo r modificationtha t mitigate s a n advers e impac t o

n AQRV s t o receive
a constructionpermit , eve nthoug hit s proposed emission s increas e i s othervis e demonstrate d b y the Fr^L^Sno

T concurred vitn

N j y the permittin

g authority? - T. 0 hav e u n advers e impac t on AQRVs .
PRELIMINAR

YSTAF F WORKIN

GDRAF T FO

ROFFIC E OF MANAGEMENT AN D BUDGE T REVIE

W * DOE S NO T REPRESEN T OFFICIA

L EPA POLICY ** * Jul y

13 , 199 5 —

[fil e name : Master6.29 ] •• * 

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20 3 Level s shoul d b e adequatel y conservative . Thes e FLM s have , i n fact , recommended significant impac t level s tha t ar e mor e restrictive thanthos e bein g propose

d toda y b y EPA . Thei r recommended level s ver e develope d usin g the ratio s derive d fro m a compariso

no f significan t impac t levels , alread y used b

y EP A fo r [ang_NAA_s ) purposes , an d th e respective ""MnPTYTF

- For comparativ

e purpose s th e significan t impac t level s bein

g propose

d toda y b y EP A an d th e level s recommended b

y the FLMs ar e show

nbelow . Pollutan t

Sulfur Dioxid e

Particulat e Matte r

Nitroge nDioxid e Averagin g Tim e

Annua l 24-hou r 3-hou r
Annua l 24-hou r
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Propose d b y EP A (ug/m3 )

o. i 0. 2 1. 0
0. 2 0. 3 

### 0. 1 Level s

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y FLM s (ug/ms )
0.0 3 0.0 7 0.4 8
0.0 8 0.2 7
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Th e EP A wishe s t o emphasiz e tha t th e specifi c significan t impac t level s tha t i t i s proposin g toda y for th e Clas s I increment s ar e no t intende d t o serv

e a s threshold s fo r

PRELIMINAR

YSTAF F WORKIN

G DRAF T FO

R OFFIC E OF MANAGEMENT AN D BUDGE T REVIE

W * DOE S NO T R E PRE 8 EN T OFFICIA

L EP A POLICY ** * Augus t 16 , 199 5 — [fil e name : Masters.29 ] ** *P. M

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0- 20 4 determinin

g whethe r a

nadvers e impact s o nAQRV s wil l occur/ : A n advers e impac t o

nAQRVs i

na Clas s I area depend s uponthe sensitivit y

o f the particular AQR V an d involve s a

nassessmen t o f potentia l harm . A nambient pollutan t concentratio ntha t i s deemed t o b e o f relativel y insignificant consequenc e fo r purpose s
o f incremen t consumptio nshoul d no t automaticall y b e considere d inconsequentia l relativ e t o the . inherentl y faet-speoifi c demonstrationuponwhicha nadvers e impac t o

nAQRV s i s t o b e based . Thus , the fac t tha t a source' s predicted ambien t impac t i s les s tha nanapplicabl e clas s I incremen t significan t impac t voul d no t rStxeve^ a permittin g authority

o f th e dut y

t o conside r th e FLM' 6 demonstratio ntha t a proposed sourc e vil l have
a nadvers e impac t o nAQRVs i na Federa l Clas s I area . Th e EP A i s declinin

g t o establis hsignifican t impac t level s fo r fact-bound , site-specifi c AQRVs . The FL M i s entruste d vit h protectin

g AQRVs an

d th e decisio

nt o establis han

y appropriat e significan t impac t level s fo r th e AQRVs shoul d res t vit hth e FLM . An y significan t impac t level s fo r AQRV s ma y necessaril y

b e site specifi c sinc e eachAQR V an d it s associate

d critica l pollutan t loading s ma

y be differen t fro

m area t o area an

d eve nvithi n individua l Federa l Clas s I areas . A s described i nsectio nIV.C.I.e. , the FLM' s Rol e i n Triggerin

g a Clas s I Increment Analysis , th e EP A i s proposing regulation s tha t cal l fo r th e filin g o f a notic e b

y th e FLM , th e PRELIMINAR

YSTAF F WORKIN

G DRAF T FO

ROFFIC E OF MANAGEMENT AN D BUDGE T REVIE

W * DOE S NO T REPRESEN T OFFICIA

L BP A POLICY ** * Augus t 16 , 199 5 — [fil e name : Mastar6.29 ] •* •P.1 5

08^24/9 5 20:5 6 ©20 2 20 8 462 0 WAS O NR/AQ NP S ©014/02 2 08/16/9 5 09:3 5 ©30 3 96 9 282 2 WAS O DENVE R-,- , AQ D D.C

. ©014/01 6



### 1 20 5 Federa l officia l vit hdirec t lan dmanagemen t responsibility , th e Administrato r o r th e Governo r o f a nadjacen t Stat e containin g a Federa l Clas s I are a t o trigge r th e dut y o f a sourc e t o conduc t a * Clas s I incremen t and Clas s I impac t analysis . Th e notic e voul d

* • ' ~~ / I 

### alleg e tha t emission s fro m a propose dsource A



### caus e o r contribut e /LjA t o a chang e i nth e ai r qualit y i na Federa l Clas s I are a an d 

### \ s . \**\JT voul didentif y

th e potentia l effect s o f suc hchange . ti^'y ^ K, ^ Source s no t receivin g th e notic e ar e no t require dt o conduc t V \Jb
a Clas s I incremen t analysis . Thus , th e significan t impac t level s tha t EP A

i s proposin g fo r clas s I increment s voul dappl y t o propose dsource s tha t hav e receive dthi s notice . A determinatio ntha t a propose dsourc e receivin g a clas s I notic e ha s a ninsignifican t impac t onClas s I increment s voul dexclud e i t fro m furthe r incremen t analysi s bu t no t fro m a clas s I are a impact s assessment . Th e EP A request s publi c comment s o nit s proposa l t o establis hsignifican t impac t level s fo r Clas s I increment s i ngenera l an d th e propose dlevels , specifically . 5 . Clarificatio no f Miscellaneou s Issues . Th e discussio nvhic hfollov s addresse s severa l relativel y discret e issues . Th e EP A i s clarifyin g curren t polic y i narea s vher e ther e i s potentia l fo r significan t confusio no r uncertaint y and , i nsome instances , i s proposin g conformin g change s t o th e

PRELIMINAR YSTAF F WORKIN GDRAF T FO ROFFIC E O F MANAGEMEN T AN D BUDGE T REVIEW

* DOE S NO T REPRESEN T OFFICIA L EP A POLIC Y ** * Augus t 16 , 199 5 — [fil e same : Masters.29 ] •* •P.1 6

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20 7 

### Finally , th e EP A

i s proposin g t o ad

d significan t impac t level s fo r th e Clas s I I and Clas s II I increments . Se e propose d sectio n51.166(b)(23)(v ) an d sectio n52.21(b)(23)(v ) . Th e propose dlevel s ar e th e sam e a s thos e level s a t existin g sectio n 51.165(b)(2) , vhie hdefin e a significan t contributio nt o a violatio no f th e NAAQS , and simpl y codif y curren t EP A

polic y vhic hallow s th e significan t impac t level s fro m sectio n51.165(b ) t o b e directl y

applie dt o th e PS D progra m t o determine a significan t contributio nt o eithe r th e NAAQ S o r PS D increments . Th e EP A request s commen t o

nth e nee dt o includ e thes e significan t impac t level s i nth e PS D regulation s an d th e nee dfo r significan t impac t level s fo r Clas s I I an d Clas s II I increments . Furthermore , th e EPA request s commen t onth e propose dsignifican t impac t level s fo r th e clas s l l an d Clas s II I increments , specificall y

vhethe r thaj_^shoul db e lowe r ^tjjla nth e level s use d fo r NAAQ S compliance . ^ W^ /"«& * of U^^M^ b . Analysi s o f Impact s o nFedera l Clas s I I Area s Today' 6 proposa l als o clarifie s th e requiremen t fo r th e "additiona l impac t analysis " unde r existin g section s 51.166(o )
and52.21(o) . I nadditio nt o th e centra l requirement s tha t eac h PS D sourc e mus t demonstrat e tha t it s allowabl e emission s vil l no t caus e o r contribut e t o a violatio no f an y NAAQ S o r PS D increment , eac hsuc hsourc e i s generall y require dt o prepar e a nadditiona l analysi s fo r th e pollutant s tha t i t wil l emit . Thi s additiona l PRELIMINAR YSTAF F WORKINGDRAF T FO ROFFIC E O F MANAGEMEN T AN D BUDGE T REVIEW

• DOE S NO T REPRESEN T OFFICIA L BP A POLIC Y ** * Augus t 16 , 199 5 — [fil e name : Ha s te r 6.29 ] ** *P.1 7

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R -*-»-

• AQ D D.C . 1016/02 2

_016/01 6

21 6 6 . informatio

nClearinghous e (Federa l Clas s I areas) . Th e CAAA

C recommende

d tha t the EP

A establis ha clearinghous e
o f informationabou t Federa l Clas s I areas . Th e EP A i s currentl y working ona clearinghous e projec t t o b e incorporated int o th e EPA' s publi c NS Rbulleti nboar d (NS RBB ) whic hi s hoste d b y th e Offic e o f Ai r Quality Plannin

g an d standard s (OAQPS ) Technolog y Transfe r Network (TTN) . User s b f th e NS RB B ma y searc hfor , retrieve , the nrea d and/or downloa

d ful l tex t o f recen t polic y
an d guidanc e material . Th e user s ma

y als o solici t fro

m o r provid e t o othe r partie s inth e NS Rpermittin

g community , informationpertainin g t o area s o f interes t withi nNSR . The EP A i s expandin

g th e NS Rbulleti nboard' s capabilit y i n tw o respect s t o addres s th e CAAAC' s recommendations . First , consisten t wit hth e proposed requiremen t t o improv e permitting authorit y

an d FL M coordination , describe d i nsectionIV.C.2. , above , the EP A

wil l instal l a sectio nexclusivel y

for posting notic e o f majo r NS Rpermi t application s b y permittin

g authoritie s and/o r permi t applicants . Al l FLMs vil l have acces s t o th e database : Thi s segment o f the NS RBB vil l provid e ver y basi c
sourc e information , sucha s the nam e an d type o f source , it s ationvse

> UT M coordinates / th

e distanc e betveenth e propose d
sourc e an

d al l Federa l Clas s I area s vithi n50 0 km , an d th e propose d emissio

nrat e or ne t emission s increas e o f eac hai r pollutan t associated vit hthe project . I t als o vil l allo w permi t PRELIMINAR

YSTAF F WORKIN

GDRAF T FO

ROFFIC E O F MANAGEMENT AND BUDGE T REVIE

W • DOE S NO T REPRESEN T OFFICIA

L EP A POLICY ** * Augus t 16 , 199 5 — - [fil e name : Ma s te r 6.29 ] ** •P.1 8

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# Nationa l Park

Servic e Ai r Resource s Divisio n P.O. Bo x 2528 7 Denver, C

O 80225-028 7


# FACSIMIL E COVE RSHEE T

Date: oftf

Telephone: (303) 969-2070 7 f 

### 'Fax (303) 969-2822 

# * * fan*Ma/6^t/ /
From: 

# ToU i.
Subject: CQ^T^^^XJ



### 6^- 

# MUM. fy,», T

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Cil-I VNL \- TJI'T-TU**.



### Numberof

pages: (including This coversheet) Offic e location : Room 215 , 1279 5 W . Alameda , Lakewood . C

O 8022 8P.1 9

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1 7 (C ) An y

measure s undertake nt o mitigat e th e potentia l advers e impact s o f propose d emission s increases , includin g th e estimate d effec t o f an y mitigation . (iv ) I nth e fina l permi t determination , th e permittin g authorit y

shal l addres s an y comment s mad e by th e Federa l Lan d Manage r concernin g the permittin g authority' s preliminar y

determination . (7 ) Mitigatio no f .advers e impacts . Th e pla nshal l provid e tha t a propose d majo r sourc e o r majo r modificatio n ma y mitigat e it s potentia l advers e impacts , i f any , onai r qualit y

relate d value s i na Federa l Clas s I area . Th e permittin g authorit y ma y issu e a permi t fo r a propose d majo r sourc e o r majo r modificatio ntha t woul d otherwis e b e denie d a permi t unde r paragrap h(p ) (6 ) o f thi s section , i f th e permittin g authorit y determines , i nconsultatio nwit hth e Federa l Lan d Manager , tha t th e sourc e ha s mitigate d it s advers e impac t onai r qualit y relate d value s - Th e owne r o r operato r o f a propose d majo r sourc e o r majo r modificatio n ma y mitigat e a nadvers e impac t by*pbtainin g enforceabl e and permanen t emission s reduction s or^eufficien t amoun t an d i n suc hlocatio ntha t the reduction s wil l offse t th e chang e iii . ai r qualit y

i nth e Federa l Clas s I a\eja tha t woul d hav^ , resulte d fro

m th e propose d source .

(q ) * * * (2 ) Th e planma y

se t fort hth e minimu m informatio n whic hmus t b e submitte d b y publi c commenter s t o accompan y any recommendation s fo r contro l technolog y alternative s fo r whic hpermi t applicant s woul d no t otherwis e b e responsibl e to conside r i ndeterminin g bes t availabl e contro l technolog y a s o f th e dat e a napplicatio ni s complet e accordin g t o paragrap h(j ) (5 ) (iii ) o f thi s section . Suc hinformatio nma y

. includ e th e name and locatio no f th e sourc e utilizin g th e contro l technology , manufacture r and typ e o f contro l device , dat e o f installatio nan d operatio no f contro l device , an d performanc e requirement s an d availabl e tes t data . (3 ) Th e pla nshal l provid e that- - (i ) Afte r an

y cut-of f dat e establishe d pursuan t to paragrap h(j ) (5 ) (iii ) o f thi s section , th e permittin g authorit y

shal l notif y

a permi t applican t withi n1 0 workin g day s upo nreceivin g a publi c commen t o nany contro l THI S DOCUMEN T I S A PRELIMINARYDRAF T FO ROFFIC E O F MANAGEMEN T AN D BUDGE T REVIE W

AND DOE S NO T REPRESEN T OFFICIA L EP A POLIC Y ** + Jul y

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. ©005/00 6

I S modificatio nwithi n10 0 kilometer s o f a Federa l Clas s I area- -(i ) Th e affecte dFedera l Lan dManage r shal l b e notifie dwithi n3 0 day s fro m receip t b y

th e permittin g authorit y

o f advanc e notificatio no f a permi t application , an d (11 } Th e affecte dFedera l Lan dManage r shal l b e give n reasonabl e notic e an d a nopportunit y t o participat e l npre applicatio nmeeting s wit hth e applicant . (4 ) Permi t applicatio ncoordination . Th e pla nshal l provid e that- - (i ) Th e Federa l Lan dManage r o f an y Federa l Clas s I are a withi n10 0 kilometer s o f a propose dmajo r sourc e o r majo r modificatio nshal l b e provide dwit ha cop y o f th e permi t applicatio nan d othe r relevan t information ; (ii ) Th e Federa l Lan dManage r shal l b e provide dwit ha cop y o f a permi t applicatio nrequeste dwithi n7 day s fro m th e dat e informatio ni s registere do nth e applicabl e EP A electroni c bulleti nboar d(i naccordanc e wit hparagrap h (n)(4 ) o f thi s section) ; (5 ) Completenes s determinatio ncoordination . Th e pla n ahal l provid e tha t prio r t o makin g th e completenes s determinatio nunde r paragrap h(n ) (1 ) o f thi s section , th e permittin g authorit y shall- - [ \ ^ J (i ) Ensur e tha t th e applican t ha s provide dan y ^ analysi s require dpursuan t t o paragrap h(p)(2)(i ) o f thi s • ^ section ; V (ii ) Giv e th e Federa l Lan dManage r 3 0 day s fro m ** receip t o f a napplicatio nt o revie w th e application , wher e £ th e Federa l Lan dManage r ha s receive da napplicatio n < , pursuan t t o paragrap h(p ) (4 ) o f thi s section ;

(iii ) Conside r an y comment s provide db y th e Federa l je r withi nth e tim e perio dunde r paragrap h -.& .ttils section ; an a - T (l'l." 1 (iv ) ^Consul t wit hth e Federa l Lan dManage r abou t an y inconsistenc y

betwee neh e determinatio nb y th e permittin g authorit y

an d th e Federa l Lan dManager' s recommendations .
THI S DOCUMEN T I S A PRELIMINAR YDRAF T FO ROFFIC E O F MANAGEMEN T AN D BUDGE T REVIE W

AN D DOE S NO T REPRESEN T OFFICIA L EP A POLIC Y ** * Jul y

13 , 199 5 - - [filenam e 51_166_6.29 ] ** *P.2 1

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AQ D D. C ©004/00 6 

# +

(p ) 

### Clae ? Soufce s poterftikU v Aimiacti^ o Federa l Clas s I ujTfa**^ area 9 ^tiLM>
. (1 ) Protectio no f ai r qualit y relate d values . Th e Federa l Lan d Manage r an d th e Federa l Officia l hav e a n affirmativ e responsibilit y t o protec t th e ai r qualit y relate d value s o f Federa l Clas s I area s an d t o consider , i n consultatio nwit hth e Administrator , whethe r a propose d sourc e o r modificatio nwil l hav e a nadvers e impac t o nsuc h values . (2 ) Genera l requirements . (i ) Notificatio no f potentia l impact s o na Federa l Clas s I are a an d requiremen t fo r impac t asseesment . Th e pla nshal l provid e tha t wher e th e Federa l Official , Federa l Lan d Manager , th e Administrator , th e Governo r o f a nadjacen t State , o r th e governin g bod y

o f a nadjacen t India nTrib e containin g a Federa l Clas s I area , file s a notic e allegin g tha t emission s fro m a propose d majo r sourc e o r majo r modificatio nma y caus e o r contribut e t o a chang e i nth e ai r qualit y i nsuc hare a an d identifyin g th e potentia l advers e impac t o f suc hchange , a permi t shal l no t b e issue d unles s th e owne r o r operato r o f suc hsource : (A ) demonstrate s t o th e satisfactio no f th e permittin g authorit y tha t emission s wil l no t caus e o r contribut e t o ambien t ai r qualit y concentration s i nth e Federa l Clas s I are a whic hviolat e th e maximu m allowabl e increase s ove r baselin e concentrations , an d IB ) provide s a n analysi s o f th e potentia l impact s o nai r qualit y relate d value s a t th e Federa l Clas s I area . Th e pla nma y provid e tha t a permi t otherwis e prohibite d unde r thi a claus e ma y b e issue d i naccordanc e wit hth e varianc e provision s i n paragrap h(p ) (8 ) throug h(p ) (11 ) o f thi s section . (ii ) Availabl e informatio no nai r qualit y relate d value s an d analvtica l methods . Th e Federa l Lan d Manage r o r Federa l Officia l shal l provid e t o th e owne r o r operato r o f a propose d majo r sourc e o r majo r modificatio ntha t ma y hav e a n advers e impac t o nai r qualit y relate d value s i na Federa l Clas s I are a al l availabl e informatio nabou t suc hvalue s an d method s t o analyz e potentia l impacts . (iii ) Consultatio nwit hFedera l Lan d Manager . Th e pla nshal l provid e fo r consultatio nan d coordinatio nwit h th e Federa l Lan d Manage r includin g th e procedure s containe d i nparagrap h(p)(3 ) throug h(p)16 ) o f thi s section . (3 ) Pre-applicatio ncoordination . Th e pla nshal l provid e that , fo r a propose d majo r sourc e o r majo r THI S DOCUMEN T I S A PRELIMINAR YDRAF T FO ROFFIC E O F MANAOEMEN T AN D BUDGE T REVIE W

AN D DOE S NO T REPRESEN T OFFICIA L EP A POLIC Y ** * Jul y

13 , 199 5 - - [filenam e 51_16 6 6.29 ] •* •P.2 2

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# f i . I .rbll, flA » lUltt IPS' V al l required analyse s o r determination s unde r paragrap h(o ) , JS* L (p) , (r) , . (s ) an d (u ) of thi s section , a s applicable . 

# I fo r th

e undemonstrated technolog y or applicatio

nwaive r unde r paragrap

h(s ) o f thi s section . S L y* . (iv ) Informatio nan d dat a use

d or consulted t o perfor m * fS* ; al l reauired analvse s o r detBrminat'nn

a un^e r


# ^ i £ $ * 

# * * * * 

# £ ^ $

# *

* r V $ (3 ) Th

e planshal l provid e that uponreques t o f th e z* ^ * Permitting authority , th e owner o

r operato r shal l provid e ^ / y l > y < " an y informatio

nan d dat a use

d or consulte

d t o perfor

m al l vj > S^ - require d analyse s or determination s unde r paragrap h(k ) . (1 ) ^ ^ I an

d (m ) o f thi s section .

S^ - > / * (i ) Nam e an d typ e of source ; j % (4 ) Th

e pla nshal l provid

e that a

napplicationshal l $ > no t b e considered complet e unles s th e permi t applicationha s bee nregistered o

nth e applicabl e EP

A electroni c bulleti n j^ . board . T o register , a t a minimum , th

e followin

g mus t b e >C \ provided :

(ii ) Natur e o f propose d project , i.e. . ne w facilit y

o r modification ; (iii ) Sourc e locatio n(includin

g Universa l Transvers e Mercato r coordinates ) an d th e distanc e betwee nthe sourc e an d eac hClas s I area withi n25 0 kilometers ; (iv ) Anticipated allowabl e emissions , or increas e i n emissionrate , fo

r eac haffecte

d ai r pollutan t regulate d unde r th

e Act ; (v ) Sourc e contac t mailin g addres s an

d telephone number ; an

d (vi ) Th

e permittin

g agenc y responsibl e for issuing th e permit . (5 ) The planshal l provid e tha t prio r t o making a completenes s determination , th e permittin

g authorit y

shal l provid e fo

r an y Federa l Lan

d Manage r revie

w an d coordination required unde r paragrap h(p)(5 ) o f thi s section .

* * * * *

THI S DOCUMENT I S A PRELIMINAR

YDRAF T FO

ROFFIC E O

F MANAGEMENT AN

D BUDGE T REVIE

W AN D DOE S NO T REPRESEN T OFFICIA

L BP A POLICY •• • Jul y

13 , 199 5 - - [filenam e Sl_166_6.29 ] •* *P.2 3

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# ^ 4 $v ! C a determinin

g complianc e wit hth e nationa l ambient ai r qualit y standards , concentration s i nexces s o f th e following : Pollutan t S0 2

PM-1 0
NO , C O Averagin g Tim e Annua l 24-Hou r 3-Hou r Annua l 24-Hou r Annua l 6-Hou r 1-Hou r Significan t Impac t



### A/Ovs/m ?

(v ) significan t means , i nreferenc e t o th e predicte d ambien t impac t tha t emission s fro m a propose dmajo r sourc e o r majo r modificatio nwil l hav e fo r purpose s o f determinin g complianc e wit hth e maximu m allowabl e increase s i npollutan t concentration s containe di nparagrap h(c ) o f thi s section / 1. 0 ng/vp} 0. 5 mg/m ' 2. o mg/m *

paragrap h concentration s i nexces s o f an y o f th e following : 

# 7

Pollutan t
SO ,

PM-1 0 Averagin g Tim e Annua l 24-Hou r 3-Hou r Annua l 24-Hou r 

### Clas s I

Significan t Impact 0. 1 ng/m 2 0. 2 /ig/m 3 1. 0 ng/m} 0. 2 jig/m s 0. 3 /zg/m s Clas s I I

Significan t Impac t C/las a II I 

# \t

/xg/m » 5)M9/n» ; ' 2 S /jig/m * Mg/m * Mg/m 3 ignifican t

Impac t Mg/m 3 Mg/m 1 M 9 / m J Mg/m 3 Mg/m 3

* * * * (27 ) India nReservatio nmean s al l lan dwithi nth e limit s o f an y

India nReservatio nunde r th e jurisdictio no f t h e Unite dState s Government , notwithstandin g th e issuanc e o f an y

patent , an d includin g rights-of-wa y runnin g throug h t h e reservation .

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