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# OAR Box 

# 1875 Prepped by Ollie Stewart



### Document

Number: 

# 63 ) ll-F-1 0 Docket Number: 

# A-90-1 9

Printed 12/1/200811:12:48AM

Sheet 63 of 86

### P. 2 

# A-90-1 9 ll-F-1 0

Attache d ar e material s distribute d b yth e EP

Aa t a meeting wit h OM B o n Septembe r 10 , 1992 . Belo wi s a lis t o f attendees . EPA Daphn e McMurre r Bruc e Jorda n Lydi a Wegma n Andre wOti s Patrici a Embrey Ric h Biond i Elliot t Gilber g OM B Ti mHun t TroyHillie r Ric k Belze r 

# r033 ! feSSSS-P. 3

> , t EP A - OMB HO N

Meetin g Septembe r 10 , 199 2 Purpose : Follow-u p discussio n o f Emission s Averagin g Issue s Averagin g Acros s Sourc e Categories :

Considerin g lega l implication s an d defensibilit yof : Sourc e define d wit h Fenselin e optio n Sourc e grow s wit h eac h ne wMAC T optio n Explorin g technica l an d administrativ e implication s o f switchin g t o thi s approac h fo r sourc e definition s Possibl e t o quantif yVOC's , gaseou s stream s an d particulate s fo r trading ? Timin g an d scop e o f residua l ris k analyses ? Som e State s ma yd o multipl e permit s fo r on e facility ; Allo wtrade s acros s permits ? Averagin g Perio d

Considerin g industr ysuggestio n o f a n annua l complianc e period , with : 1 ) quarterl yreporting ; an d 2 ) quarterl yemission s allowances . Quarterl yemission s allowanc e (Mini-cap ) coul d b e se t by valu e o f actua l credit s generate d fo r th e quarte r (i.e . Mini-ca p = valu e o f credit s + (0.2 5 * valu e o f credits) )
Bankin g Credit s

Considerin g nee d fo r bankin g i n HO N Bankin g inconsisten t wit h technolog ybase d NESHA P NESHA P hav e n o cap ; change s an d growt h allowe d Significan t unanticipate d emission s wil l probabl yb e covere d b yupset/malfunctio n provision s Considerin g i f bankin g i s defensibl e Ca n w e sho wtha t bankin g wil l no t resul t i n highe r emissions ? T o mak e thi s showing , ma yhav e t o limi t ho wbanke d credit s ca n b e generate d o r used . Concerne d abou t impac t o f bankin g o n statut e o f limitation s fo r HO Nenforcemen tP. 4



### EP A - OM B HO N Meetin g September 10 , 199 2
Contro l Efficienc yRating s fo r RCT s

Considerin g allowing a revise d systemfo r assigning "nominal " efficienc yrating s Relaxe d requirement s fo r device s t o b e use d i n 1 o r a fe wsite s Allow s us e o f RC T a t highe r efficiencies , wit h monitorin g requirement s t o ensur e consisten t assignmen t o f credit s an d debit s bette r Potentia l Optiona l RC E Syste m

- Technolog yi s differen t tha n th e RCT , o r

- Th e RCTi s bein g use d differently * RC Tnot use d significantl y differentl y BROADLYAPPUCABL E Federa l EP

A revie was describe d i n draft HO N proposa l
Neve r- i fRC

Tcoul d get a highe r efficienc yi n man yapplications , tha t efficienc ywoul d b e assigne d initiall y US E I N 1 O R A FEWSITE S Permi t authorityrevie was part o fth e averagin g pla n
Federa l revie wo

fth e plan s fo r performanc e testin g th e debi t generato ran d monitorin g th e poin t tha t wil l b e over-controlle d wit h th e highe refficienc yRC T

Mus t se t clea rminimu m criteri a fo r"differen t use "


### Baselin e fo r Determinin g Credit s

Polic yi n draf t HONpartiall ybase d o n technica l difficultie s determining ho wmuc h credi t t o giv e o n some point s tha t hav e alread ybee n controlle d Considerin g allowing credi t fo r 33/5 0 control s Considerin g allowing credi t fo r control s pu t i n plac e sinc e 11/15/9 0 I n eithe r case , permitting authorit ywoul d hav e t o hav e sufficien t dat a t o assign credi t value s