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# OAR Box 

# 1781 Prepped by Ollie Stewart



### Document

Number: 

# 14| ) IV-C- 

# U

Docket Number: 

# A-90-3 7

Printed 10/29/2008 10:46:24

AM Sheet 141 of 142UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y Offic e o fAi rQualit yPlannin g an d Standard s Researc h Triangl e Park , Nort h Carolin a 2771 1

Jun e 24 , 199 4 P. 2 

### ? r

I Mr . Erni e Rosenber g Occidenta l Petroleu m 174 7 Pennsylvani a Avenue , N W .' . " - ^ • ~ . ' -' Washington , D C 2000 6 ~ / Dea r Mr . Rosenberg : A s discusse d and agree d a t th e Marc h 199 4 Ne wSourc e Revie w (NSR ) Reform

Subcommitte e meeting , th e nex t Subcommitte e meetin g i s schedule d t o b e hel d o n Jul y19-20 , 1994 . Th e primar yfocu s o f thi s meetin g wil l b e a n opportunit yfo r th e Subcommitte e t o respond t o a staf f draf t o f th e NS R refor mrulemakin g package . A s par t o f he r continuin g commitmen t t o hav e th e NS R reformrul e mov e swiftl ythroug h th e rulemakin g process , Mar yNichols , Assistan t Administrato r fo r Ai r an d Radiation , i s plannin g t o attend t o hea r th e Subcommittee' s comment s o n thi s package . Sinc e th e las t Subcommitte e meeting , Agenc ystaf f hav e bee n diligentl yworkin g o n draf t preambl e an d regulatorylanguag e tha t addresse s th e numerou s issue s identifie d an d deliberate d upo n b y th e Subcommittee
. A s originall yscheduled , th e draf t rulemakin g packag e wa s t o b e maile d t o th e Subcommitte e member s b yJun e 15 , 1994 . However , du e t o a numbe r o f factors , developmen t o f th e draf t rulemakin g packag e ha s take n longe r tha n anticipate d and wil l no t b e maile d unti l earl yJuly . I recogniz e tha t th e postpone d mailou t shorten s you r revie wperio d bu t hop e tha t yo u wil l b e abl e t o focu s you r attentio n o n th e packag e durin g th e 2-wee k perio d precedin g th e meeting
. O f course , yo u wil l no t b e limite d t o you r ora l comment s a t th e meeting
. W e intend t o accep t you r writte n comment s o n thi s draf t packag e unti l Augus t 31 , 1994 . T o facilitat e distributio n o f th e rulemakin g package , w e ar e planning t o mai l yo u a 3. 5 inc h high-densit yDOS-formatte d compute r dis c containin g WordPerfec t 5. 1 files
. Thi s wil l greatl yexpedit e th e distributio n o f th e materia l and shoul d als o provid e yo u wit hincrease d flexibilit yt o searc h and commen t o n th e package . However , i f yo u prefe r t o receiv e a har d cop yo fP. 3 1 

## -.Vth e rulemakin g packag e instea d o f a compute r disc , pleas e contac t LarryElmor e a t (919 ) 541-543 3 a s soo n a s possible
. Also , pleas e contac t Larr yi f yo u fai l t o receiv e th e draf t rulemakin g package , eithe r th e dis c o r har d copy , b y1 wee k befor e th e Subcommitte e meeting
. I n respons e t o previou s request s b ySubcommitte e member s an d t o facilitat e participatio n o f Agenc ypersonnel , w e wil l b e holdin g th e Jul y199 4 NS R ReformSubcommitte e meetin g i n th e Washington , D C area . Thi s meetin g wil l b e hel d a t th e Hyat t Regenc yCrysta l City , 279 9 Jefferso n Davi s Highway , Arlington , Virgini a (telephon e (703 ) 418-1234 , telefa x (703 ) 418-1289) . A meetin g agend a wil l b e include d wit h th e rulemakin g package . A s always , I ver ymuc h appreciat e you r continue d participatio n i n th e NS R reformprocess . I f yo u hav e an y questions , pleas e d o no t hesitat e t o contac t m e a t (919 ) 541-550 4 o r Davi d Solomo n a t (919 ) 541-5375 . I loo k forwar d t o seein g yo u i n July . Sincerely , /s / Lydi a N . Wegraa

n Deput yDirecto r Offic e o f Ai r Qualit yPlannin g

an d Standard s OAQPS:AQMD:PPB:NSRS:L.Elmore/C.Bradsher(541-5433/MU)6/23/94 . Fil e = a:\JULY94\LETTER. 2 IDENTICAL LETTER S SENT TO : (Se e attache d list ) bcc : S . Hitt e E . Lilli s D . Solomo n L . Elmor e NS R Sectio n B . Polkowsk

y B . Blaszcza k C . Poffenberge r C . Knope s B . Tyndal l M . Kataok a V . Patto n L . Hamjia n E . Gle n M . Spink s G . Worle y R . Va n Mersberge n D . BrayP. 4

_ _ UNITED STATE S ENVIRONMENTAL PROTECTIO NAGENC Y I \<9s*%j 1 Offic e o f Ai r Qualit yPlannin g an d Standard s \ ^eCmC * ' Researc hTriangl e Park , Nort hCarolina 2771 1 \ PRO^ ° 

## JU L 11199 4

NOT E TO : Ne wSourc e Revie w(NSR ) ReformSubcommitte e Member s an d Participatin g Federa l Official s
I n preparatio n fo r th e Jul y19-20 , 199 4 meetin g o f th e NS R ReformSubcommittee , attache d fo r you r revie wi s a n initia l staf f workin g draf t o f a proposa l t o amend th e NS R regulation s base d largel yo n th e discussion s and suggestion s o f th e Clea n Ai r Ac t AdvisoryCommitte e (CAAAC ) NS R Refor mSubcommittee
. Als o attache d i s a tentativ e agend a fo r th e meeting
. A t th e las t Subcommitte e meeting , MaryNichols , Assistan t Administrato r fo r Ai r and Radiation , Environmenta l Protectio n Agenc y(EPA) , discusse d a schedul e i n whic h EPAwoul d complet e a NS R Reformproposa l packag e i n earl y1995 , wit h a fina l rul e on e yea r later . A s yo u wel l know , thi s i s a ver yambitiou s schedule , and th e EP Astaf f involve d hav e bee n diligentl yworkin g t o ensur e tha t a rul e i s promulgate d consisten t wit h thi s schedul e and t o hav e a draf t proposa l packag e i n tim e fo r th e Jul ymeeting
. Du e t o th e shor t lea d tim e an d th e numbe r an

d complexit yo f th e issue s bein g addressed , th e attache d documen t ha s no t bee n reviewe d b yan yleve l o f EP Amanagemen t and ha s undergon e onl ylimite d interna l staf f review
. Consequently , i t doe s not , no r shoul d i t b e construe d to , represen t a n officia l EPApositio n o n an

yo f th e view s o r position s containe d within
. I n addition , pleas e not e tha t th e propose d regulator y languag e ha s no t ye t bee n full ydevelope d and , therefore , mayno t completel yreflec t th e polic yposition s se t ou t i n th e preamble . However , th e attache d draf t rulemakin g packag e and , i n particular , th e portion s o f th e draf t preambl e addressin g EPA' s propose d policie s shoul d provid e a n ampl e basi s fo r furthe r discussio n and comment . Als o attache d fo r you r revie wi s a concep t pape r whic h directl yrelate s t o man yo f th e Clas s I are a issue s tha t hav e bee n presente d to , and discusse d by , th e Subcommittee
. Th e pape r describe s a n innovativ e regiona l approac h fo r implementin g th e preventio n o f significan t deterioratio n requirement s fo rP. 5

1 -

- ~4
protectin g Clas s I areas , whic h i s bein g develope d b yth e Interagenc yWor k Group o n Ai r Qualit yModeling
. Durin g th e meeting , th e Interagenc yWor k Group' s proposa l wil l b e discusse d a s a possibl e alternativ e fo r incorporatio n int o th e NS R Reform effort . I n additio n t o writte n an d ora l comment s presente d a t th e meeting , writte n comment s o n th e draf t rulemakin g proposa l and th e concep t pape r wil l b e accepte d unti l Augus t 31 , 1994 . T o maintai n th e ambitiou s rulemakin g schedul e fo r NS R Reform , lat e comment s mayno t b e full yconsidere d i n th e developmen t o f th e fina l proposal . Comment s shoul d b e sen t t o m e a t Mai l Dro p 15 , U.S . EPA , Researc h Triangl e Park , N C 27711 . Th e draf t rulemakin g proposa l i s containe d o n th e enclose d high-densit yDO S formatte d diskett e i n th e formo f WordPerfect " 5. 1 files
. Thi s wa s don e t o expedit e th e receip t o f th e materia l an d shoul d provid e th e reviewe r wit h a n enhance d abilit yt o searc h an

d rearrang e tex t whe n makin g suggeste d changes . Th e diskett e contain s th e followin g fou r files : PREAM.DR F Draf t preamble . 51165.DR F Draf t change s t o nonattainmen t NS R regulations
. 51166.DR F Draf t change s t o PS D regulations
. 5221A.DR F Draf t plantwid e applicabilit yPS D rule s (only) . I f yo u hav e difficult yaccessin g thes e files , prefe r a printe d copyo f th e rulemakin g package , o r hav e an yquestion s abou t th e upcomin g meetin g an d agenda , pleas e fee l fre e t o contac t m e a t (919 ) 541-537 5 o r LarryElmor e o f m ystaf f a t (919 ) 541-5433 . Thank yo u agai n fo r you r continue d participatio n in , and suppor t of , th e NS R Reformeffort . W e loo k forwar d t o workin g wit h yo u a t th e upcomin g Subcommitte e meeting
.

Davi/d Solomo n Chie f Ne wSourc e Revie wSectio n 3 Attachment s cc : L . Wegma n S . Shave r E . Lilli s NS R Contact sP. 6 

# /Mo- ^

Ne wSourc e Revie wReform Subcommitte e Meeting "

Jul y 19-20 , 199 4 \ Hyat tRegency , Crysta l City , V A 

### tt z s Revise d Agend aI \'w** " \ Tuesday , Jul y 19 , 199 4 9:0 0 amOpenin g remarks , revie w of agenda , an dadjustment s t o th e program .

- Remarks by Lydia Wegman, Subcommittee Co-chair and Deputy Director, Office of Air Quality Planning and

Standards, US

EPA. 9:1 5 a mPresentatio nan ddiscussio nof EPAstaf

f draf t revision s to Best

Available Contro l Technolog y (BACT ) an dLowes t Achievabl e Emissio nRat e (LAER ) requirements
.

- Presented

by Dennis Crumpler, New Source Review Section, US EPA. 10:3 0 a mBreak
. '10:4 5 amPresentatio nan ddiscussio nof EPAstaf

f draf t provision s concernin g us e of undemonstrate dcontro l an dpollutio npreventio ntechnologie s a s BAC T or to achiev e LAER
.

- Presented

by Larry Elmore, New Source Review Section, US EPA. 12:0 0 p mOpportunity for publi c comment . 12:1 5 p mLunch
. 1:3 0 p mPresentatio nan ddiscussio nof EPAstaf f draf t revision s to PS D Clas s I are arequirements
.

- Presented

by Dan deRoeck, New Source Review Section, US EPA. 2:4 5 p mBreak
. 3:0 0 p mPresentatio nan ddiscussio nof existin g sourc e subgrou p deliberations
.

- Presented

by Chris Shaver, Environmental Defense Fund, and Chuck Knauss, Swidler

and Berlin. 4:0 0 p mPresentatio nan ddiscussio nof th e Interagenc y Workgrou p o nAi r Quality Modelin g concep t pape r o nmodelin g andPS D incremen t tracking
.

- Presented

by Marcia Spink, Region III, US EPA. 5:1 5 p mOpportunity for publi c comment . 5:3 0 p mEn dof

day' s session
.P. 7

NSRRefor

m Subcommittee Meeting- - July 19-20 , 199 4 Preliminar

y Agenda(continued) Wednesday , July 20 , 199 4 8:45 a mOpening o

f day' s sessionan

dadjustments t

o the schedule
.

- Remarks by Patrick

Raher, Subcommittee Co-chair and Hogan and

Hartson, and by Mary Nichols, Assistant Administrator

for Air and Radiation, US

EPA. 9:00 a mPresentationan

ddiscussiono

f EP Astaf f draf t provision s concerning NS Rapplicabilit y (genera l overview an

dthe clea nunit applicabilit

y test)
.

- Presented

by William Lamason, New Source Review Section, US EPA. 10:1 5 a mBreak
. 10:3 0 a mContinuedpresentationan ddiscussiono

f EP Astaf f draf t provision s concerning NS R applicability
. 11:45 a mDiscussiono

f nex t step s i nthe NS RRefor

mprocess . 12:0 0 a mOpportunit

y fo r publi c comment . 12:15p mEn

do f meeting
.P. 8 

# A

# - ? o- 

# 3 7

NE W SOURC E REVIE W SUBCOMMITTE E MEETIN G

INVITE D PARTICIPANT S (Alphabetica l Listing ) Jul y 19-20 , 199 4 

### -UL:Z £

Davi dAldorfe r Genera l Motor s Argonau t A-205- H 48 5 W
. Milwauke e Detroit , M I 4820 2 (313 ) 556-785 0 (313)
. 556-768 3 fax Pravee nAmar NESCAU M 12 9 Portlan dStree t Boston , M A0217 3 (617)367-854 0 (617 ) 742-916 2 fax Barbar aBankof

f Siemen s Corporatio n 70 1 Pennsylvani aAv e Suit e 72 0 Washington , D C 2000 4 (202 ) 434-481 0 (202 ) 347-401 5 fa

x Michae l Barr Pillsbury , Madiso n& Sutr o Nationa l Associatio no f

Manufacturer s 22 5 Bus hStree t SanFrancisco , C A9410 4 (415 ) 983-115 1 (415 ) 477-475 1 fa

x Bo b Beasle y Virgini aDep t

o f Environmenta l Quality 490 0 Co x Roa d Gle nAllen , V A2306 0 (804 ) 527-517 4 (804 ) 527-514 1 fax | EP AAI R DOCKE T Willia mBecke r

~ ——. — - STAPPA/ALAPC O 44 4 NCapito l Stree t

NW , Suit e 30 7 Washingto nD C 2000 1 (202 ) 624-786 4 (202 ) 624-786 3 fax Davi dBradle y Washingto nDepartmen t of Ecolog y P.O
. Bo x 4760 0 30 0 Desmon dDriv e Olympia , W A98504-760 0 (206 ) 407-698 9 fax Davi dBra y U.S
. EP A- Regio nX 120 0 SixthAvenu e Seattle , W A9810 1 (206 ) 553-425 3 (206 ) 553-011 0 fax Willia mBumper s Howery & Simo n 129 9 Pennsylvani aAvenu e Washington , D C 2000 4 (202 ) 383-716 0 (202 ) 383-661 0 fax Joh nBunyak Nationa l Park

Servic e P.O
. Bo x 2528 7 1279 5 Wes t

Alamed aPkw y Lakewood , C O 8022 8 (303 ) 969-207 2 (303 ) 967-282 2 fa

x

July IS , 199 4P. 9

Mark Carne y U.S
. Generatin g Company/EG A 750 0 Ol dGeorgetow nRoa d Bethesda , M D 2081 4 (301)718-689 9 (301 ) 718-690 1 fax Davi dCarr SouthernEnvironmenta l La w Cente r 20 1 Wes t Mai nStreet , Suit e 1 4 Charlottesville , V A2290 1 (804 ) 977-409 0 (804 ) 977-148 3 fax Denni s Crumple r U.S
. Environmenta l Protectio nAgenc y Offic e o f Ai r Quality Plannin g & Standard s MD-1 5 Researc hTriangl e Park , N C 2771 1 (919 ) 541-087 1 (919 ) 541-550 9 fax DandeRoec k U.S
. Environmenta l Protectio nAgenc y Offic e o f Ai r Qualit y Plannin g & Standard s MD-1 5 Researc hTriangl e Park , N C 2771 1 (919 ) 541-559 3 Larry Elmor e U.S
. Environmenta l Protectio nAgenc y Offic e o f Ai r Quality Plannin g & Standard s MD-1 5 Researc hTriangl e Park , N C 2771 1 (919 ) 541-543 3 (919 ) 541-550 9 Larry Feldcam p Bake r & Bott s On e Shel l Plaz a 91 0 Louisian a Houston , T X 7700 2 (713 ) 229-157 3 (713 ) 229-152 2 fax Andre aBea r Fiel d Hunto nan dWilliam s 200 0 Pennsylvani aAvenue , N W Suit e 900 0 Washington , D C 2000 6 (202 ) 955-155 8 (202 ) 778-220 1 fax Ric hFishe r USD AFores t

Servic e Rocky Mountai nStatio n 24 0 W
. Prospec t

Roa d Fort Collins , C O 8052 6 (303 ) 498-123 2 (303 ) 498-101 0 fax Greg Foot e (LE-132A ) U.S
. EP A- OG C 40 1 M Stree t

S W Washington , D C 2046 0 (202 ) 260-762 0 (202 ) 260-058 6 fax Eilee nGle n U.S
. EP A- Regio nJJI 84 1 Chestnu t

Bld g Philadelphia , P A1910 7 (215 ) 597-980 0 (215 ) 597-315 6 fax Lyn nHamjian U.S
. EP A- Regio nI Joh nF
. Kenned y Federa l Buildin g On e Congres s Stree t Boston , M A0220 3 Davi dHawkin s Natural Resource s Defens e Counci l 135 0 Ne w Yor k

Avenue , N W Suit e 30 0 Washington , D C 2000 5 (202 ) 783-780 0 (202 ) 783-591 7 fax

July 15 , 199 4P.1 0

Jacquelin e Bogar d Inte l Corporatio n 14 5 S
. 79thStree t Chandler , A Z85226-479 9 (602 ) 554-362 1 (602 ) 554-355 6 fax Mark Kataok a(2344 ) USEPA-OG C 40 1 M Stree t

S W Washington , D C 2046 0 (202 ) 260-209 0 (202 ) 260-414 9 fax Chuc k Knaus s Swidle r & Berli n 300 0 K Street , N W Suit e 30 0 Washington , D C 2000 7 (202 ) 424-764 4 (202 ) 424-764 3 fa

x Chri s Knope s (2126 ) USEP A- OPP E 40 1 M Stree t

S W Washington , D C 2046 0 (202 ) 260-692 1 (202 ) 260-051 2 fa

x Bil l Lamaso n U.S
. Environmenta l Protectio nAgenc y Offic e o f Ai r Quality Plannin g & Standard s MD-1 5 Researc hTriangl e Park , N C 2771 1 (919 ) 541-537 4 (919 ) 541-550 9 Kare nMalki n U.S
. DOI-M1 B Nationa l Par k

Servic e 184 9 C Stree t

NW , R m322 9 Washingto nD C 2024 0 (202)208-491 1 (202 ) 208-462 0 fax
VivianMclntir e EastmanChemica l Compan y EastmanRoa dFANB- 4 Kingsport , T N3766 2 (615 ) 229-304 5 (615 ) 229-486 4 fax Ray Menebroke r Californi aAi r

Resource s Boar d 202 0 LStree t Sacramento , C A9581 2 (916 ) 322-602 6 (916 ) 445-502 3 fax To mMica i NJDEP E- NESCAU M 40 1 Eas t Stat e Stree t P.O
. Bo x CN02 7 Trenton , N J 0862 5 (609 ) 633-824 8 (609 ) 633-823 6 fa

x Bruc e Mille r U.S
. EP A- Regio nT V 34 5 Courtlan dStree t

N E Atlanta , G A3036 5 (404 ) 347-304 3 (404 ) 347-305 9 fax Bil l Lewi s Morgan , Lewi s & Bockiu s 180 0 M Street , N W Washington , D C 2003 6 (202 ) 467-714 5 (202 ) 467-717 6 fa

x Mary Nichol s Assistan t Administrator , Offic e o f Ai r & Radiatio n U.S
. Environmenta l Protectio nAgenc y 40 1 M Street , S W Washington , D C 2046 0

Jul y 15 , 199 4P.1 1

Rober t Nordhau s Departmen t

o f Energ y - GC- 1 100 0 Independenc e Avenue , S W Washington , D C 2058 5 (202 ) 586-149 9 fa

x Bemi e Pau l El i Lill y an dCompan y Lill y Corporat e Cente r Dro p Cod e 113 4 Indianapolis , I N4628 5 (317 ) 276-375 3 (317 ) 277-168 0 fax Patric k Rahe r Hogan& Hartso n 55 5 13t hStreet , N W Washington , D C 2000 4 (202 ) 637-568 2 (202 ) 637-591 0 fax Lesli e Ritt s Chadbourn e an dPark e 110 1 Vermon t

Avenue , Suit e 90 0 Washington , D C 2000 5 (202 ) 962-455 9 (202 ) 289-300 2 fax Joh nA
. Pau l RAPC A 45 1 W
. Thir dStree t Dayton , O H 4542 2 (513 ) 225-443 5 (513 ) 225-348 6 fax Vicki e Patto n USEPA-OG C 40 1 M Stree t

S W Washington , D C 2046 0 (202 ) 260-772 7 (202 ) 260-058 6 fa

x Bil l Pederse n Shaw , Pittman , Pott s & Trowbridg e 230 0 NStreet , N W Washington , D C 20037-112 8 (202 ) 663-885 2 (202 ) 663-800 7 fa

x Clar aPoffenberge r

(6306W ) U.S
. EP A- SSC D 280 5 Jefferso nDavi s Hw y Arlington , V A2220 2 (703 ) 308-870 9 (703 ) 308-873 9 fa

x Erni e Rosenber g Occidenta l Petroleu m 1747 Pennsylvani aAv e N W Washington , D C 2000 6 (202 ) 857-305 1 (202 ) 857-303 0 fax Joh nRuscign o Orego nDep t

of Environmenta l Qualit y 81 1 S W6thAvenu e 11t hFloo r Portland , O R9720 4 (503 ) 229-648 0 (503 ) 229-567 5 fax Mik e Sewel l U.S
. Environmenta l Protectio nAgenc y Offic e of Ai r Quality Plannin g & Standard s MD-1 5 Researc hTriangl e Park , N C 2771 1 (919 ) 541-087 3 (919 ) 541

- 550 9 fax Chri s Shave r Environmenta l Defens e Fun d 140 5 Arapaho e Avenu e Boulder , C O 8030 2 (303 ) 440-490 1 (303 ) 440-805 2 fax

July 15 , 199 4P.1 2

Sally Shave

r U.S
. Environmenta

l ProtectionAgency Office o f Air Qualit y Planning & Standard s MD-1 5 ResearchTriangl e Park , NC 2771 1 (919 ) 541-555 1 DavidSolomon U.S
. Environmenta

l ProtectionAgency Office o f Ai r Qualit y Planning & Standard s MD-1 5 ResearchTriangl e Park , NC 2771 1 Lydi aWegma n U.S
. Environmenta

l ProtectionAgency Office o f Air Qualit y Planning & Standard s MD-1 0 ResearchTriangl e Park , NC 2771 1 (919 ) 541-550 6 Christophe

r Wol z Office o f Managemen

t & Budget Ne w Executiv e Office Bldg - Roo m301 9 72 5 17t hStreet , N

W Washington , D C 2050 3 (202) 395-587 0 (202 ) 395-516 7 fa

x (919 ) 541-537 5 Marci aSpin k U.S
. EP A- Regio nHI 84 1 Chestnu t

Stree t Philadelphia , P A1910 7 (215)597-980 0 (215 ) 597-315 6 fa x Richar dZbu r Latha m& Watkin s 63 3 W
. 5t

hStree t Lo s Angeles , C A90071-200 5 (213 ) 485-123 4 (213 ) 891-876 3 fax
Donal dTheile r Wisconsi nDepartmen t

o f Natura l Resource s Bureau o f

Ai r Managemen t P.O
. Bo x 792 1 10 1 SouthWebste r Madison , W l 5370 3 (608 ) 266-060 3 (608 ) 267-056 0 fa

x Joh nTrou t Ai r Pollutio nContro l Distric t of Jefferso nCounty 85 0 Barret t

Avenu e Louisville , KY 40204-174 5 (502 ) 574-530 6 fa

x BU I Tyndal l (6103 ) USEPA-OPA R 40 1 M Stree t

S W Washington , D C 2046 0 (202 ) 260-649 9 (202 ) 260-976 6 fa

x

July 15 , 199 4P.1 3 

## A-HQ-V?

Ne w Sourc e Revie w ReformSubcommitte e MembefsT ^ — an dInvite dFedera l Agenc y Representative s /

Jul y 19-20 , 199 4
Industry 1
. Erni e Rosenber g 2
. Michae l Barr
3
. VivianMclntir e 4
. Lesli e Ritt s 5
. Davi dAldorfe r 6
. Bil l Pederse n
7
. Bil l Lewi s 8
. Andre aBea r

Fiel d 9
. Mark

Carne y 10
. Pat Rahe r 11
. Jacquelin e Bogar d 12
. Berni e Pau l 13
. Barbar aBankof

f 14
. Chuc k

Knaus s 15
. Larry Feldcamp 16
. Willia mBumper s 17
. Richar dZbu r Representin g ~"~""~—-—y^^^Cv/.

- Occidenta l Petroleum/Chemica l Manufacturer s Associatio n PiUsbury , Madiso n& Sutro/Nationa l Associatio nof Manufacturer s EastmanChemica l Compan y Chadbourn e & Parke/NEDA-CAR P Genera l Motor s Shaw , Pittman , Pott s & Trowbridge/Counc Ufor Clea nAi r Implementatio n Morgan , Lewi s & Bockiu s Hunto n& Williams/Utility Ai r Regulator y Grou p Electri c Generatio nAssociatio n Hogan& Hartso n Inte l Corporatio n El i Lill y Siemen s Swidler & Berlin/Pharmaceutica l Manufacturer s Associatio n Bake r & Bott s Howe r & Simo n Latha m& Watkin sP. M

Environmenta l Organization s 18
. Davi dHawkin s 19
. Chri s Shave r 20
. Davi dCarr Representin g Natural Resource s Defens e Counc U Environmenta l Defens e Fun d SouthernEnvironmenta l La w Cente r
State/loca l Agencie s 21
. Pravee nAmar 22
. Joh nPau l
23
. Willia mBecke r 24
. Bo b Beasle y 25
. Donal dThiele r 26
. Davi dBradle y 27
. Joh nRuscign o 28
. To mMica i
29
. Ray Menebroke r 30
. Joh nTrou t Representin g Northeas t State s for

Cobmine dAi r

Us e Managemen t Montgomery County , Ohio , Regiona l Ai r Pollutio nAgenc y (NS RCommitte e Chairperso nfo r ALAPCO ) STAPPA/ALAPC O Virgini aDepartmen t

o f Ai r Pollutio nContro l Wisconsi nDepartmen t

of Natura l Resource s Washingto nDepartmen t

o f Ecolog y Orego nDepartmen t

of Environmenta l Quatity New Jerse y Departmen t

of Environmenta l Protectio n& Energ y Californi aAi r

Resource s Boar d Jefferso nCounty Ai r

Pollutio nContro l District , Kentucky
Federa l Agencie s 31
. Ric hFishe r 32
. Kare nMalki n 33
. Joh nBunyak 34
. Robert

Nordhau s 35
. Christophe r

Wol z Representin g

USD AFores t

Servic e Nationa l Park

Servic e Nationa l Park

Servic e Departmen t

of Energ y Offic e of Managemen t

an dBudge tP.1 5

EP A 36
. Mary Nichol s 37
. Lydi aWegma n 38
. SaU y Shave r 39
. Davi dSolomo n 40
. BU I Lamaso n 41
. Larry Elmor e 42
. DandeRoec k 43
. Denni s Crumple r 44
. Clar aPoffenberge r 45
. Christophe r

Knope s 46
. BU I Tyndal l 47
. Mark

Kataok a 48
. Vicki e Patto n 49
. Greg Foot e 50
. Lyn nHamjian 51
. Eilee nGle n 52
. Marci aSpin k 53
. Bruc e Mille r 54
. Dav e Bra y Representin g Offic e of Ai r an dRadiatio n Offic e of Ai r Quality Plannin g & Standard s Offic e of Ai r Quality Plannin g & Standard s Offic e of Ai r Quality Plannin g & Standard s Offic e of Ai r Quality Plannin g & Standard s Offic e of Ai r Quality Plannin g & Standard s Offic e o f Ai r Quality Plannin g & Standard s Offic e o f Ai r Quality Plannin g & Standard s Offic e of Enforcemen t

an dComplianc e Offic e of Policy , Planning , an dEvaluatio n Offic e of Polic y Analysi s & Revie w Offic e of Genera l Counse l Offic e of Genera l Counse l Offic e of Genera l Counse l Regio nI Regio nII I Regio nII I Regio nI V Regio nXP.1 6 

# A its - 

# 3 7

ISSUE S ASSOCIATE D WIT H TH E IMPLEMENTATIONO F ACLAS S I PROGRA M b y A l Cimorell i Regio nII I TJ.S . Environmenta l ProtectionAgency

Patric k Hanrahan STAPPA/ALAPCO Representative 1

Joh nS . Irwin 2 Offic e o f Ai r Quality Plannin

g an dstandard s U . S . Environmenta l ProtectionAgency 

## 4l,2 @
EP AAI R DOCKE T

Federa l and Stat e modeler s hav e struggle d wit h th e issue s relate d t o Clas s I are a analyse s and hav e foun d thei r resolution s t o b e elusive
. Currentl yth e consensu s opinio n i s tha t th e Clas s I programi s fundamentall ydifferen t fromothe r ai r program s (such as , Clas s I I an d Stat e Implementatio n Plan s (SIP's)) . Unfortunately , th e Federa l Agencie s hav e attempte d t o implemen t th e assessmen t o f Clas s I impact s a s i f th e assessmen t i s simila r t o tha t associate d wit hClas s I I and SI P impacts
. Thi s ha s lead t o a significan t mis-matc h betwee n th e analysi s proces s an d th e inheren t need s o f th e Clas s I program . Th e Clas s I I program reguire s tha t analyse s b e performe d withi n a domai n o n th e orde r o f 5 0 km s o r les s an d centere d o n th e sourc e (the domai n change s frompermi t t o permit)
. Give n th e smal l domain , Clas s I I analyse s len d themselve s t o individua l stat e implementation
. Clas s I analyses , o n th e othe r hand , ar e centere d o n specifi c lan d areas . Therefore , th e modelin g domai n doe s no t chang e frompermi t t o permit
. Furthermore , thes e analyse s involv e a modelin g domai n o n th e orde r o f hundred s o f kms , thu s reguirin g multi-stat e coordination
. Additionally , Clas s I are a analyse s fo r AQRV s ma yrequir e estimatin g th e depositio n o f secondarypollutant s and thei r impac t o n visibility
. Finally , th e affirmativ e responsibilitie s o f th e

1 Stat e and Territoria l Ai r Pollutio n Administrator s / Associatio n o f Loca l Ai r Pollutio n Contro l Official s (STAPPA/ALPCO) . Mr . Hanraha n i s wit h th e Stat e o f Oregon , Debarmen t o f Environmenta l Quality
.

2 Th e autho r i s o n assignmen t fromth e Atmospheri c Science s Modelin g Division , Ai r Resource s Laboratory , Nationa l Oceani c Atmospheri c Administration , U . S . Departmen t o f Commerce .FLM' s significantl yadd s t o th e coordinatio n difficultie s

inheren t i n th e program . T o addres s th e coordinatio n betwee n Federa l Agencie s o f modelin g technique s involvin g long-rang e transport , th e Interagenc yWorkgroup fo r Ai r Qualit yModel s (IWAQM ) wa s formed . Th e membershi p o f IWAQ M include s participant s from th e Nationa l Par k Service , th e Fores t Service , an d th e Fis h an

d Wildlif e Service
. IWAQM ha s conclude d tha t unles s a centralize d regiona l programi s adopted , sever e implementationa l problem s wil l b e " 

### unavoidable
. W e recommend tha t Clas s I programimplementatio n b e accomplishe d o n a Clas s I are a (or cluste r o f Clas s I areas ) basis , no t permit-by-permi t a s i s th e cas e fo r th e Clas s I I program. . Th e cornerston e o f thi s approac h i s a n up-fron t comprehensiv e incremen t an d AQR V analysi s o f th e area . W e envisio n thi s "initialization " stud yt o b e accomplishe d outsid e th e contex t o f a permi t application
. A n up-fron t stud yi s preferre d sinc e man yo f th e decision s whic h nee d t o b e mad e (e.g . inventory , AQRV s criteria , etc. ) ar e specifi c t o th e Clas s I are a no t th e applicant' s source . Further , i t avoid s havin g thes e decision s colore d b yth e negotiation s whic h occu r fo r a singl e source . I f desired , th e "initialization " ca n involv e technica l expert s from

privat e an

d publi c groups . Finall y(an d perhap s mos t importantly) , i t provide s futur e applicant s wit h up-fron t informatio n neede d fo r plannin g and assuranc e o f wha t i s expec t fo r th e give n situation
. I n larg e part , th e emission s inventoryan d meteorologica l dat a whic h ar e develope d durin g th e initializin g proces s remai n fixe d i n subsequen t analyses . Therefore , onc e "initialization " i s complete , eac hadditiona l ne wsourc e nee d onl ydetermin e it s additiv e contribution ; a s such , incremen t an d AQRV s ar e directl y tracked . Thi s approac h ha s th e benefi t o f removin g th e burden , fromeac h applicant , o f developin g a n emission s inventory specifi c fo r thei r application ; although , update s mayb e necessar yt o accoun t fo r change s i n actua l emission s fromothe r sources . Withi n thi s approach , provision s ca n b e mad e fo r updatin g th e initia l analysi s unde r certai n circumstances
. Fo r instance , a re-initializatio n analyse s coul d resul t froman yon e o f th e following : 1 ) periodi c Stat e audi t a s contemplate d b yth e PS D regulations , 2 ) b ychoic e o f th e permi t applicant , o r 3 ) a s th e scienc e changes . Onc e th e syste m i s "re-initialized" , ne w meteorologica l dat a and grid s mayresult . Th e followin g provide s a summaryo f th e majo r implementatio n issue s tha t mus t b e addresse d i f a successfu l Clas s I programi s t o develop . Wit h th e possibl e exceptio n o f th e resourc e question , w e believ e tha t th e recommende d approac h provide s a framewor k fo r th e resolutio n o f thes e issues
.P.1 8

NEED FO RCOORDINATION : Anyeffectiv e Clas s I are a program wil l nee d t o provid e fo r th e coordinatio n and managemen t o f interstat e dat a base s (meteorologica l an d sourc e emissions ) and interstat e emissio n reductions
. Regiona l group s consistin g o f EPA , th e States , th e FLM' s an d publi c and privat e technica l group s coul d for mt o provid e th e neede d coordinatio n and management . Thes e group s coul d b e considere d o n a Clas s I are a specifi c basis
. Fo r a program whic h operate s permit-by-permi t thes e group s woul d nee d t o operat e a s standin g committees
. However , th e recommende d regiona l approac h woul d onl yrequir e suc h group s t o formfo r th e purpos e o f "initialization"
. INCREMEN

T TRACKING : Th e permit-by-permi t approac h present s man y obstacle s tha t mak e direc t incremen t trackin g ver ydifficult , i f no t impossible
. Variation s i n scop e an d degre e o f refinemen t o f analyse s amon g permit s present s th e majo r obstacles . Becaus e eac h applicant' s analysi s ca n b e s o differen t (eg . screenin g vs . refine d analyses) , eac hanalysi s mus t reconside r al l previou s work . Th e nee d t o dea l wit h actua l emissions , includin g are a an d mino r sources , presen t othe r obstacles . I n th e West , larg e ope n burnin g are a source s suc ha s fores t slas h burnin g ma yconsum e significan t increment
. Althoug h i t i s no t feasibl e t o trac k incremen t i n a permit

by-permi t program , wha t ca n an d shoul d b e don e i s t o trac k th e incremen t consumin g inventoryo f sources . Wit h suc h a n inventory a properl yconducte d stud ycoul d the n defin e th e amoun t o f incremen t tha t ha s bee n consumed . Th e inefficiencie s presen t i n th e permit-by-permi t approac h ar e substantiall ymitigate d b yth e regiona l approach . Wit h th e recommende d regiona l approac h incremen t trackin g i s automatic ; n o additiona l analysi s o r specia l system s ar e neede d t o trac k increment
. EMISSIONS : Keepin g trac k o f emission s o n a regiona l basi s wil l requir e dat a bas e managemen t beyond wha t i s presentl ydone . I n a permit-by-permi t program -regiona l dat a bas e managemen t become s quit e complex . Fo r thi s typ e o f program tw o possibilitie s exis t fo r developin g th e neede d inventories
. Firs t th e applican t coul d b e require d t o collec t th e dat a from al l involve d states , region s an d th e FLMs ; thi s i s ho wth e presen t systemoperates . Second coordinate d centra l archiv e coul d b e develope d fromwhic h th e applican t coul d deriv e th e information
. O f course , thi s woul d requir e a singl e agenc yt o accep t th e responsibilit yfo r coordinatin g and maintainin g th e information
. W e hav e recommende d adoptin g th e second optio n i f a permit-by-permi t approac h i s used .P.1 9

However , th e nee d fo r developin g suc h a n elaborat e syste m woul d b e obviat e wit hth e regiona l approach . Comprehensiv e inventorie s ar e develope d durin g th e "initilization " phas e o f th e regiona l approach . METEOROLOGY , TOPOGRAPHY , AN D LAN D US E DATA : Th e IWAQ M Phas e I demonstratio n projec t ha s show n tha t significan t resource s ar e require d t o proces s meteorological , topographi c and land us e data . I t i s IWAQM' s opinio n tha t th e resourc e requirement s ar e sever e enoug h t o possibl ypreclud e usin g th e IWAQ M recommende d approac h i f a ful l analysi s i s require d fo r eac h permit
. A significan t advantag e o f th e regiona l approac h i s tha t th e resourc e intens e dat a processin g occur s onl ydurin g "initialization " and an ysubsequen t "re-initialization"
. Unles s a n approac hi s use d whic hi s similar , t o th e regiona l approac hi n thi s regard , implementatio n o f th e IWAQM recommendation s wil l b e severel ylimited
. RESOURC E NEEDS : Ful l implementatio n o f a regiona l approac h wil l requir e additiona l resources . Fo r th e grou p charge d wit h performin g th e analyse s and maintainin g th e dat a bases , upgrade d compute r hardwar e wil l certainl yb e needed . Additionally , thi s coul d requir e a n increas e i n staf f an d trainin g o f existin g staff . OFFSE T PROGRAM : Whe n a n analysi s indicate s tha t al l availabl e incremen t ha s bee n consume d o r a Clas s I are a i s expecte d t o b e adversel yimpacte d b ya ne wsource , permittin g ca n usuall y procee d throug h som e for mo f offsetting
. I n general , a n offse t programca n tak e on e o f tw o forms : (1 ) Emission s Based : reduc e emission s a t a n existin g plan t b ysom e percentag e o f th e ne w source' s emissions , generall ygreate r tha n on e fo r one . Thi s approac h i s independen t o f th e impac t o f th e emissions
. (2 ) Impac t o r Effect s Based : reduc e emission s a t a n existin g plan t b y a n amoun t tha t offset s th e advers e impac t predicte d fromth e ne w plant . T o insur e tha t th e offsettin g emission s wil l provid e a benefi t tha t protect s th e Clas s I are a resources , w e sugges t a n impac t base d programb e considered
. Onl yi f th e propose d offsettin g emissio n ar e simulate d usin g atmospheri c transpor t and dispersio n model s ca n on e assur e th e consequence s o f th e propose d offsets . ADVERS E IMPAC T THRESHOLDS : From a practica l poin t o f view , a ne w sourc e permittin g program shoul d includ e a relativel ysimpl e wa y o f screenin g ou t thos e source s whos e impact s ar e insignificant
. Amean s t o accomplis hthi s woul d b e t o establis h significanc e criteri a agains t whic h th e individua l impact s fro mth e ne wsourc e coul d b e judged
. Thi s i s especiall yimportan t i n a Clas s I programsinc e ful l incremen t o r AQR V analyse s ar e resourc eP.2 0

intensive
. Fo r th e Clas s I increments , EPAi s presentl yworkin g t o establis hsignificanc e criteria
. Developin g significanc e criteri a fo r AQRV s i s a mor e difficul t issue
. AQRV s are , b ydefinition , Clas s I are a specific
. Therefore , determinin g wha t incrementa l impac t i s significan t ma ynee d t o b e don e fo r eac h are a individually
. However , ther e i s a nee d t o fin d a n approac h whic h avoid s havin g • a n applican t performa n analysi s withou t knowin g wha t wil l b e considere d a problem . Apossibilit ycoul d b e fo r th e FLM' s t o quantitativel ydefin e AQR V significanc e criteri a o n a case-by-cas e basi s a t a tim e earl yi n the permittin g proces s and prio r t o th e performanc e o f an ymodeling
. I t i s envisione d that , wit h a regiona l approach , suc h criteri a woul d b e develope d a t th e tim e o f "initilization"
. INVENTOR

YDOMAIN : Acontroversia l issu e relate d t o Clas s I analyse s i s th e developmen t o f th e emission s inventory
. Give n th e smal l siz e o f th e increments , impac t fromdistan t source s ca n b e important
. Ther e seem s t o b e a consensu s amon g modeler s tha t developin g objectiv e criteri a fo r selectin g whic h sourc e shoul d b e explicitl ymodele d i s inherentl yproblematic
. Wit h th e regiona l approach , ther e wil l no t b e a nee d t o establis h objectiv e criteria
. Th e neede d inventorie s wil l b e develope d area-by-area , throug h th e cooperatio n o f th e states , region s and FLMs , a t th e tim e o f th e "initilization " process . Fo r subsequen t permits , onl ysmal l change s t o th e sourc e inventoryar e expected . A s thes e change s ar e made , th e inventory , whic h i s specifi c fo r a give n Clas s I area , wil l . evolv e naturall ywit h eac h permi t o r periodi c stat e audit
.