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OAR Box 1778 

Prepped by Ollie Stewart 

Document Number: 

31) ll-B-6 

Docket Number: 

A-90-06 

Printed 10/28/2008 9:50:52 AM Sheet 31 of 276 
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E.NVI??C\:VI:NTAL pr.371c7.cN AGENCY 

OFFICE OF TK_ GS.._RAL COUNSEL 

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F3brv._rv 14 , 197,3—rr" X 

': L _h »\o 1. A. James ) '• 'it r; tcrn.-_y 

Air Quality and Radiation Division 

Resumption .of Operation by Sources 

Jack R. Farmer-,;-Chief,. Standards Development Branch 

Emission Standards.and Engineering-Division 

MEMORANDUM. OF LAW 

FACTS 

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Your memorandum of February 2, 1973, briefly discussea^^? 

the issue of' the reopening of existing plants which have ""*"'*"' 

been closed.for a period of time. . Some have closed becausai^^ 

of lack of demand for their, products, others operate oh '.cT^' 

seasonal basis. You have inquired regarding the applicab 

of new source^perforraance;standards' to these soi_r.cesiaT:^tltt 

-_-____________--__-__-_ # 

Hay-a sourca which *.;a3 in existence prior to the. pro-'-; 

pcsal date of a nav; source performance standard (applicable 

to that class of sources) be subjected to the standard when 

it resumes operations, following the proposal? *" 

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N o , the source would not be a "new source" within the 

meaning of Sill (a)'(2)-'of the Clean Air Act. 

•'•";••'•-" DISCUSSION : •

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T he sources which your memorandum describes are "existing, f 

sources", not "new sources" which may be regulated under-SHlir-:,r; 

T he section defines "new source" as follows: ...•;.;_•.:•.-

[A] ny. stationary source, the construction 

or modification of which is commenced \ 

after the publication of regulations (or/ 

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if earlier, proposed r_cjulc.tions) pre-

• •_ scribir.:: ci s;_cr.v_rd of p_i"£o._aT.;.nce .under. 

•'•..'.'••-•••'•'«••:•• this section which v/ill bs applicable ._'-.. :-i-^.v: 

•.•'.'.;'.. to such source. '••.•'.::•'.'• 

'•3^:r..:'S:^.7j:...Under th e facts - given , i t i s ^pparoht7;;th^t^-np':M'con-::':.";r:;~^~:', 

-i-:'": ••fih:T_S:r,-5-tructionV..:_a..ctivity. i s involved , since - theosaurcevbwne__._ . v '^:. 

::fe^^;;£i^ takes-:- thos<__,sbeps*iuace3*^ 

;i^!^^^^M^^iMt:tJe^it^^oriaer operating^ebhdi#_pii|fe 

'^-5'?5^.:\^^r__iinlc.;"this coul d legitimatel y b e •'"•^via-^-ai^«*H^*3.$^'_S-^^

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•":.: ^Vi^-...'-/X:-"£abdication., erection, or installation of^an^affe.cted V.^__A>.. ;,'',',.;•:_# ?i"-". w 2 

,:.vH:r- ":,facility".!/ In addition, no TOodificatioh^within^then ..: • r;7~^^ ^ 

•:7^r-«r-vv-v •:• .'.uieaniao-: o f the section is involved. since" i't__iWti»ar^ S 

^^Whl^i i is the definition of "construction^tinder 

. EPA^regulation 40 CFR 60.2(g). . 

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