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# OAR Box 1778 Prepped by Ollie Stewart



## Document

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# 274 ) IV-C-2

0 Docket Number: 

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AM Sheet 274 of 276P. 2

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# \mj UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y Offic e ofAi rQualit

yPlannin g an d Standard s Research Triangl e Park , Nort h Carolin a 2771 1 

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Honorabl e Michae l G . Oxley Hous e o f Representative s Washington , D.C . 2051 5 Dea r Mr
. Oxley : 

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# 199 1 

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Thi s i s i n respons e t o you r lette r o f Septembe r 5 , 1991 , regardin g th e Environmenta l Protectio n Agency' s (EPA's ) interpretatio n o f th e definitio n o f "repowering. " Sectio n 402(12 ) o f th e Clea n Ai r Ac t Amendment s o f 199 0 define s repowerin g a s th e "replacemen t o f a n existin g coal-fire d boiler " wit h on e o f severa l specifie d clea n coa l technologies . Th e definitio n als o includes , a s qualifyin g technologies , othe r technologie s whic h ar e derivative s o f "on e o r more^o f th e [specified ] technologies , an d an yothe r technologycapabl e o f controllin g multipl e combustio n emission s simultaneousl ywit h improve d boile r o r generatio n efficienc yan d wit h significantl y greate r wast e reductio n relativ e t o the . performanc e o f technolog y i n widesprea d commercia l use. " A s yo u hav e correctl ypointe d out , thi s definition , a s written , coul d b e interprete d a s limiting technologie s whic h woul d b e considere d repowering project s t o thos e tha t onl yinvolv e th e replacemen t o f th e boiler . A s yo u mayknow , a s par t o f th e rulemakin g process , EPAi s currentl ytaking comment s o n it s proposa l t o amend regulation s implementing ne wsourc e requirement s governin g modification s a t electri c utilit ygeneratin g units . Th e propose d rul e incorporate s th e statutorydefinitio n o f repowerin g withou t change . You r commen t i s being give n carefu l consideration , an d EP Awil l b e addressin g thi s issu e i n th e fina l rulemaking . I appreciat e thi s opportunit yt o b e o f servic e an d trus t tha t thi s informatio n wil l b e helpfu l t o you . 

## Sincerely , [/« / Michael H. Shapir

o (fop ) WilliamG . Rosenber g Assistan t Administrato r fo r Ai r an

d Radiatio n

CONCURRENCE S 

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# F^^V 10-j-j-^fflC E BUILOIN G

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COMMITTE E O N ENERG YAN D COMMERC E SELECTCOMMITTE E O N NARCOTIC S ABUS E AN D CONTRO L CONGRESSIONA L RURA L CAUCU S 

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# Congres s o f theUnite d State s Hous eo f 'Representative s Washington , © £ 2051

5 Septembe r

5 , 199 1 

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DISTRIC TOFFICES : 312 1 WES TEL M PLAZA LIMA . O H 4580 9 (419)999-645 5
10 0 EAS TMAI N CROS S FINOLAY . O H 4584 0 {4191423-321 0
2 4 WES TTHIR D STREET ROO M 31 4 MANSFIELD . O H 4490 2 (419)522-575 7
TOLL-FRE E I N OHIO : 1-800-472-415 4

Th e Honorabl e Willia mReill y Administrato r U.S . Environmenta l Protectio n Agenc y 40 1 M St. , S.W . Washington , D.C . 2046 0 Dea r Mr . Reilly : Th e Environmenta l Protectio n Agenc y(EPA ) ha s drafte d a propose d rul e t o implemen t the "repowering " provision s o f the Clean Ai r Ac t Amendment s o f 199 0 (Section 402(12) . A s I understand the propose d rul e recentl ypasse d b ythe EPA , boile r replacemen t o r substantia l boile r modification s woul d b e require d fo r technologie s t o qualif ya s repowering technologies . Th e effec t o f suc h a restrictiv e interpretatio n o f Sectio n 402(12 ) woul d mea n tha t promising multi-pollutan t clean coa l technologie s wil l no t qualif yfo r th e repowering extension . Thi s make s n o sense , fro meithe r a n energ

y polic yo r environmenta l standpoint . Th e propose d rul e t o implemen t Sectio n 402(12 ) i s particularl yconfusing an d disturbing i n vie wo f a lette r fro mDepartmen t o f Energ ySecretar

yWatkin s t o Congressma n Ralp h Regula , date d Jul y2 , 1990 . I n the letter , Secretar yWatkin s said : "The Administratio n worke d closel ywit h the Senat e leadershi p i n developing the definitio n o f repowering whic h wa s adopte d i n S . 163 0 an d wa s thereafte r incorporate d i n H.R . 3030 . Th e inten t o f the languag e i s t o includ e i n the definitio n o f repowering an

ytechnolog

ycapabl e o f controlling multipl e combustio n emission s simultaneously...Fo r thi s clas s o f technologies , boile r replacemen t i s no t intende d t o b e a preconditio n t o being considere d a repowering technology. " Secretar yWatkin s als o indicate d tha t hi s lette r expresse d the Bus h Administration' s positio n wit h respec t t o thi s issue . I hav e enclose d Secretar yWatkins ' letter"fo r you r review . I a mparticularl yintereste d i n the repowering definitio n becaus e a variet yo f promisin g technologie s tha t do no t requir e boile r modification s ar e currentl ybeing demonstrate d i n Ohio , an d the yus e high sulfur Ohi o coal . I woul d appreciat e hearing fro m yo u a s t o whethe r the Administration' s positio n o n thi s issue , a s clearl y articulate d i n Secretar yWatkins ' Jul y2 , 199 0 letter , ha s changed , an d i f so , wha t prompte d the change .4

^norabl e Willia mReill y a-eptembe

r 5 , 199 1

I f the Administration' s positio n ha s no t changed , I hop e yo u wil l wor k t o ensur e tha t the fina l rul e reflect s tha t position . 

## Yo<Ws/£rj ^

MGO/bk m Enclosur eP. 5 — , V i EXHIBI T 1 TH S SSJJKilXK

T O T ENERGY . WaahmvtoTL DC. Juiv 2. 1320. Hon . RALT KRBGTTLA . Ha-jeofJte-arsentizLiiies, Wasltinvtam. DC DEARCONGRESSMA

N RALPH : Than * yo u fa r apprisin g m e c f

you rInten tt o clarif

y i ath e Clea rAi rAc tamendment s tha tclea n -coa l tP-rhnnlogiB s whic h .simultaneousl y contro l multipl e pollutant s are eligThl e fo rth e ex - tensio n o f

th e Phas e I I complianc e deadline . Yo u speci f

icall y focuse d -o

n th e «hglbflit y of technologie s -no

trequirin g boile rreplace - men ttorconsideratio n a s repowerin g tech - nologies . Th e Adsunistratio n worke d cloaei y wit h th e Snout* .leadershi p i n developin g tJh e definitio n o f repowerin g whic h wa s adopte d i n S . L63 0 an d wa s thereafte rIncorporate d int o BLR . 3030 . Th e inten to f

th e languag e I s t o includ e i n th e definitio n o f repowerin g an y technolog y capabl e o

f controllin g multipl e combustio n emission s simultaneously , s o lon g a s th e tw o criteri aspecifie d (i.e. . in - crease d boile refficienc y and significantl y greate rwast e reduction ) ar e met . Fo rthi s clas s of technologies , boile rreplacemen ti s no tintende d t o b e apreconditio n t o bein g considere d arepowerin g technology . Ac - cordingly , th e Administratio n doe s no tbe - liev e tha tfurthe rclarificatio n o f th e defini - tio n i s required . Th e Departmen ti s aware o f tw o project s i n th e Clea n Coal Technolog y Progra m whic h contro l multipl e pollutant s an d whic h ma y mee tth e remainin g tw o precon - dition s describe d above . Thes e projects , nei - the ro f whic h require s boile rreplacement , ar e th e Lo

wNOi/SO, . Burne rRetrofi tfo r Utilit y Cyclon e Boiler s Projec tan d th e Ad - vance d Slaggin g Combusto rUtilit y Demon - stratio n Project . Bot h involv e replacemen t of burner s wit h sophisticate d slaggin g com - bustor s fo rNO

j contro l an d us e o

f alkalin e reagent s fo rSO

> control . Dat afo rthes e tw o technologie s responsiv e t o th e question s i n you rlette rar e include d i n th e enclose d fac t sheets . Pleas e not e tha tth e definitio n of repowerin g i n bot h HJR . 303 0 an d S . 163 0 prescribe s tha tfina l determination s regard - in g th e applicability o

f th e repowerin g defi - nitio n t o technologie s lik e thes e wil l b e mad e o n acase-by-cas e basi s b y th e Environ - menta l Protectio n Agency i n consultatio n wit h th e Departmen to

f Energy . Th e Offic e o f

Managemen tan d Budge t ha s advise d tha tther e i s no tobjectio n t o th e submissio n o

f thi s repor tfro m th e standpoin to

f th e President' s program . Than kyo u fo ryou rinquiry o n thi s impor - at n matter . Sincerely , JAMZS D . WATKINS . Admiral, U.S. Navy (Retired).