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# OAR Box 1778 Prepped by Ollie Stewart



### Document

Number: 

# 266 ) IV-C-12 Docket Number: 

# A-90-0 6

Printed 10/28/20089:51:04 AM Sheet 266 of 276P. 2 

## W-C-1 2 

# / i ALLIANC E MM/kj/k Technologies Corporatio n

Decembe r 17 , 199 1 MEMORANDU

M To : Docke t A-90-0 6 From : Alic e Pella n Th e attache d not e an d Federa l Registe r notic e extendin g th e publi c commen t perio d wa s faxe d fro mJohn Calcagni , Director , AQMD , EPAt o th e Nationa l Resource s Defens e Counci l (NRDC) , th e Utilit yAi r RegulatoryGrou

p (UARG) , an

d STAPPA/ALAPC O o n Decembe r 10 , 1991 .



### EP A

632 0 Quadrangl e Driv e •Suit e 10 0 •Chape l Hill , North Carolin a 2751 4 •(919)493-247 1 ATI C CompanyP. 3 A'lO-OC* \v-C~\2-.

^ i0S % UNITE D STATE S ENVIRONMENTA LPROTECTIO 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

Decembe r 10 , 199 1

NOT E T O WEPC O COMMENTER : 

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## AAirfr- ; y-'T. J
Attache d i s a copyo f th e Federa l Registe r notic e o n th e Extensio n o f Publi c Commen t Perio d fo r Propose d WEPC O Rulemaking , effectiv e Decembe r 10 , 1991 . During th e commen t perio d EPA receive d request s t o extend th e commen t perio d fo r a n additiona l amoun t o f time . A t thi s time , i n respons e t o thos e requests , th e EPAi s extendin g th e commen t perio d unti l Decembe r 17 , 1991 ._\^S_SlXJohn Calcagn i I Directo r Ai r ©ualit yManagemen t Divisio n Attachmen t'JT 1.2/10/9 1 17:2 3 - Q

ENVIRONMENTAL PROTECTIONAGENC Y [4 0 CF R PART S 51 , 52 , AN D 60 ]

[FRL

- ] REQUIREMENT S FO R PREPARATION , ADOPTION , AND SUBMITTAL O F IMPLEMENTATIONPLANS ; APPROVA L AND PROMULGATIONO F IMPLEMENTATIONPLANS ; STANDARD S O F PERFORMANC E FO R

NE W STATIONARY SOURCE S AGENCY : Environmenta l Protectio n Agenc y(EPA) . ACTION : Extensio n o f Publi c Commen t Perio d fo r Propose d WEPC O Rulemaking . SUMMARY : O n Jun e 14 , 199 1 (5 6 F R 27630) , EP Apropose d regulatio n clarifyin g th e ne wsourc e revie w(NSR ) requirement s o f Titl e I o f th e Clea n Ai r Ac t a s the ypertai n t o electri c utilit ysteam generatin g units . Th e propose d rulemakin g als o clarifie s th e Agency' s polic yregardin g utilit ypollutio n contro l project s an d implement s change s mad e b yCongres s i n th e 199 0 Clea n Ai r Ac t Amendment s regardin g clea n coa l technologyand repowerin g projects . I n th e las t fe wweeks , EPAreceive d request s t o extend th e commen t perio d fo r an additiona l amoun t o f time . A t thi s time , an d i n respons e t o thos e requests , EPAi s extendin g th e commen t perio d unti l Decembe r 17 , 1991 . DATES : Writte n comment s o n th e propose d rulemakin g mus t b e receive d b

yDecembe r 17 , 1991 . ADDRESSEES : Submi t comment s o n th e propose d rul e (i n duplicate , i f possible ) to : EPAAi r Docke t (LE-131) , Environmenta l ©00 2P. 5

•- . V* w i2/10/9 1 17:2 4 ©00 3

- 2 - Protectio n Agency , ATTN ; Docke t A-90-06 , 40 1 M Street , S.W. , Washington , D.C . 20460 . DOCKET : Supporting informatio n use d i n developin g th e propose d rul e i s containe d i n Docke t A-90-06 . Thi s Docke t i s availabl e fo r inspectio n an

d copying betwee n 8:3 0 a.m . and 3:3 0 p.m. , weekdays , a t EPA' s Ai r Docke t (LE-131) , RoomM-1500 , 40 1 M Street , S.W. , Washington , D.C . 20460 . Areasonabl e fe e mayb e charge d fo r copying . FO R FURTHE R INFORMATIONCONTACT : Wm . LarryElmore , Offic e o f Ai r Qualit yPlannin g an d Standard s (MD-15) , Researc hTriangl e Park , Nort hCarolin a 2771 1 (919 ) 541-5433 . DE C | 0 1991 Dat e .ra mG . Assistan t

Ad m fo r Ai r an d Rosenber g

nistrato r io n Radiat :