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# OAR Box 1778 Prepped by Ollie Stewart



### Document

Number: 

# 72 ) ll-C-1 4

Docket Number: 

# A-90-0 6

Printed 10/28/20089:50:54 AM Sheet 72 of 276P. 2



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Willia aA . Murray , Esq . Utilit y Projec tManage r Cit y V^ter , Ligh tan d Powe r Municipa l Buildin g Springfield , Illinoi s 6275 7 Re tLakesid e Generatin g Statio n Uni t#7 , Projec t Clea n Coa l Technolog y

Dea rHr . Murray * I a arespondin g t o you rfcay 1 , 1 9 89 , lette rt o Mr . Do n Clay , regardin g aClea n Coa l Technolog y demonstratio n projec ta t Lakesid e Generatin g Statio n Uni t#7 . A s repreaente d t o us , thi s projec twil l tes tth e abilit y o f ga s reburnin g technolog y t o reduc e nitroge n oxid e emission s an d sorben tinjectio n technolog y t o reduc e sulfu rdioxid e amissions . I n addition , adecreas e i n particulate s an d othe rpollutant s sa y occur . You rlette r request s a n assuranc e fro m th e Unite d State s Environmenta l Protectio n Agenc y (EPA ) no tt o enforc e He w Sourc e Performanc e Standard s (USPS ) an d Preventio n o f Significan tDeterioratio n durin g th e projec to rwhe n th e uni ti s restore d t o it s pre deoonstratio n conditio n followin g completio n o f th e project . I n you rlette ryo u aske d whethe rrestoratio n o f Lakesid e Uni t* 7 t o it s pre-projec tconditio n woul d constitut e a "oodification " o r"majo rmodification " pursuan tt o 4 0 CF R H60.1 4 o rpursuan tt o 4 0 CF R52.21(b)(2) . Th e informatio n submitte d i s no tsufficien tt o determin e whethe rther e woul d b e aphysica l o roperationa l chang e whic h woul d increas e emissions . Therefore , i ti s no tpossibl e fo rEP A t o determin e wit h certaint y whethe rther e woul d i n fac tb aaraodification o r soajo rmodificatio n unde rth e NSPS an d PS D programs . However , assumin g thi s uni twil l b asubjec tt o ne w sourc e requirements , EP

A ha s evaluate d th e merit s o f th e Lakesid e Uni t # 7 projec twit h regar d t o applicabilit y o f th e Agency' s Novembe r16 , 1984 , Polic y Agains t"K o Action " Assurances . As a result , EP

A believe s a"n o action " assuranc e i s appropriat e i n thi s cas e becaus e th e projec tappear s t o b e "clearl yP. 3

necessar y t o serv e th e publi c interest; " i ti a expecte d t o provid e "importan tinformatio n fo r researc h purposes; " an u ther e i s a need "whic

h n o othe rmechanis

m can addres s adequately. " EP A support s thi s innovativ e technolog y demonstratio n a s a mean s o f potentiall y reducin g emission s o f nitroge n oxide s an d sulfu r dioxide . Base d on th e representation s mad e i n you rMa

y 1 , 1939 , letter , EP

A provide s a

n assuranc e no tt o enforc e agains t civi l violation s o f NSP S an d PS D requirement s tha tma y apply , pursuan tt o 4 0 CF R§§60.1 4 an

d 52.21(b)(2) , a s a resul to f emissio n increase s whic

h ma y occu rdurin g an d afte rcompletio n o f th e innovativ e technolog y demonstratio n a tLakesid e Uni t#7 . Thi s assuranc e doe s no tappl y t o emissio n increase s whic h resul t fro m physica l o roperationa l change s tha tar e unrelate d t o th e conduc to

f th e demonstratio n project . Whethe rthes e change s ar e mad e before , durin g o rafte rth e project . In addition , w e have note d tha tyou rlette rstate s tha ti ti s unknow n i f th e change s wil l b e temporar y o rpermanent . Thi s assuranc e doe s no tapply t o permanen tdemonstratio n projects , tha tis , project s lastin g mor

e than fiv e years . O f course , Lakesid e Uni t# 7 uuat continu e t o coiaply wit h al l applicabl e EP A an d Stat e emissio n limit s an

d permi tcondition s durin g an d afte rth e demonstration . EP A i s no

w evaluatin g i f

a change i s necessar y t o th e USP S ' an d PS D regulation s t o accommodat e temporary Departmen to f Energ y Clea n Coal Technology Project s an d simila rEPA-funde d •projetrtw----.to^i»-tir«^th«t**t ^ •!•:••;?• : type s o

f projects . Also , EP A an d DO E hav e agree d t o a propose d Clea n Ai rAc

tamendmen

ttha taddresse s thes e projects . I n th e future , whe n w e receiv e a reques tfo r a "n o action " assurance , w

e wil l routinel y ask th e sourc e fo ri n fo rnatio n t o allo w u s t o determin e i f i twould b e appropriat e t o issu e a n assurance . W

e have no

w mad e a decisio n a s t o precisel y wha t informatio n w

e need . W

e wil l b e sendin g you a lette raskin g fo rthi s informatio n aboutyou rproject . W

e wil l b e askin g yo u t o subiai tthi s informatio n t o ensur e tha tw e hav e complet e file s o n al l the projects .P. 4



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Pleas e kee p EPA' s Regiona l Offic e i n Chicag o notifie d o f th e statu s an d significan tresult s o f thi s project . You r contac tther e wil l b e Mr . Davi d Ke e a t(312 ) 353-2212 . I f thi s technolog y i s successfu l an d eaissio n reduction s ar e demonstrated , th e continue d us e o f thi s technolog y woul d b e strongl y encourage d b y EPA . Sincerely , DO N R . CLA Y FO B

w > — Willia m G

. Rosenber g Assistan tAdministrato r fo rAi ran d Radiatio n

cc tDavi d Kee , Regio n V Terrel l Hunt , OEC

M Ala n Eckert , OG

C Bria n McLean , OAIA

P

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