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< V Bil l Wehru m

10/18/2002 07:3 1 P M To : Arthur_G._Fraas@omD.eop.gov , ra u _^._i<tvcvyi«iiia,.a.va K. !-,w AmyL

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i 7 cc : A-90-3 7 Subject : Revised Rul e pin k line d , rV-fj-4 3 Clea n Uni tmodificatio n provision s hav e bee n revised , bu tar e stil l a wor k i n progress . Al l othe rparts o f th e rul e shoul d b e u p t o date

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t 10/18/2002 07:1 2 P M

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f To : Bil l Wehrum/DC/USEPA/US@EPA

cc : Subject : Revised Rul e pin k line d



### & 2 200 2 EP AAIR DOCKE

TP. 3



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, o rdistribute . 51.165 Amendator

yLanguage10/18/02 Fo r th e reason s se t ou t i n th e preamble , titl e 40 , chapte r 1
o f th e Cod e o f Federa l Regulation s i s propose d t o b e amende d
a s follows : PAR T 5 1 - TAmended l 1 . Th e authorit ycitatio n fo r par t 5 1 continue s t o rea d a s follows : Authority : 4 2 U.S.C . 7401 , e t seq . Subpar t I - f.Amendedl 2 . I n 4 0 CF R51.165(a)(1)(i) , remov e th e word s "any ai r pollutan t subjec t t o regulatio n unde r th e Act, " an d add , i n thei r place , th e word s "regulate d NS Rpollutant. " 3 . I n additio n t o th e amendment s se t fort habove , i n 4 0 CF R51.165 , remov e th e word s "pollutan t subjec t t o regulatio n unde r th e Act " an d add , i n thei r place , th e word s "regulate d NS Rpollutant " i n th e followin g places :
a . (a ) (1 ) (iv ) (A ) (1) ; b . (a ) (1 ) (v ) (A ) , - an d
c . (a)(1)(vii) . 4 . I n additio n t o th e amendment s se t fort habove , Sectio n 51.16 5 i s amended :
a . B yrevisin g paragraph s (a)(1)(v)(A ) an d (B) . b . B yrevisin g paragrap h(a ) (1 ) (v ) (C ) (8. ) . c . B yaddin g paragraph s (a)(1)(v)(D ) an d (E) . 1Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 d . B yrevisin g paragrap h(a)(1)(vi)(A) . e . B yrevisin g paragrap h(a)(1)(vi)(C) . f . B yrevisin g paragrap h(a ) (1 ) (vi ) (E ) (2. ) . g . B yrevisin g paragrap h(a ) (1 ) (vi ) (E ) (4. ) . h . B yadding paragrap h(a)(1)(vi)(E)(5) . i . B yrevisin g paragrap h(a)(1)(vii ) j . B yrevisin g paragrap h(a)(1)(xii ) k . B yrevisin g paragrap h(a)(1)(xviii ) 1 . B yrevisin g paragrap h(a)(1)(xxi )

m . B yrevisin g paragrap h(a)(1)(xxv )

n . B yaddin g paragraph s (a)(1)(xxvi ) throug h(xxxx) . o . B yrevisin g paragrap h(a)(2) . p . B yaddin g paragraph s (a)(3)(ii)(H ) throug h(J) . q . B yaddin g paragraph s (a)(5)(iii ) throug h(v) . r . B yaddin g paragraph s (c ) throug h(f) . Th e revision s an d addition s rea d a s follows : §51.16 5 Permi t requirements , (a ) * * *

M) * * * ( v ) * * * (A ) Majo r modificatio n mean s anyphysica l chang e i n o r chang e i n th e metho d o f operatio n o f a majo r stationar y sourc e (project ) tha t woul d resul t in : (1 ) a significan tP. 5



### Interna lan dDeliberativeDraft- D

onotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 emission s increas e o f a regulate d NS Rpollutan t (a s define d i n paragrap h(a)(1)(xxxvii ) o f thi s section ) followin g th e physica l o r operationa l change ; an d (2 ) a significan t ne t emission s increas e o f tha t pollutan t fro mth e majo r stationar ysource . (B ) An ysignifican t emission s increas e (a s define d i n paragrap h(a)(1)(xxvii ) o f thi s section ) fro man yemission s unit s o r ne t emission s increas e (a s define d i n paragrap h (a)(1)(vi ) o f thi s section ) tha t i s significan t fo r volatil e organi c compound s shal l b e considere d significan t fo r ozone .
**** * (C ) * * * (8. ) Th e addition , replacement , o r us e o f a PCP , a s define d i n paragrap h(a)(1)(xxv ) o f thi s section , a t a n existin g emission s uni t meetin g th e requirement s o f paragrap h(e ) o f thi s section . Areplacemen t contro l technolog ymus t provid e a mor e effectiv e emission s contro l tha n tha t o f th e replace d contro l technolog yt o qualif yfo r thi s exclusion .

**** * (D ) Thi s definitio n shal l no t appl ywit hrespec t t o a particula r regulate d NS Rpollutan t whe n th e majo r stationar y
sourc e i s complyin g wit hth e requirement s unde r paragrap h

### Interna lan dDeliberativeDraft- D

ono tquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 (f ) o f thi s sectio n fo r plantwid e applicabilit ylimit s fo r tha t pollutant . Instead , th e definitio n a t paragrap h (f)(2)(viii ) o f thi s sectio n shal l apply . (E ) Thi s definitio n shal l no t appl yt o tha t portio n an ypar t o f a projec t tha t ca n b e constructe d an d operate d
a t involve s a Clea n Uni t withou t causin g th e emission s uni t t o los e it s Clea n Uni t statu s i n accordanc e wit hparagraph s (c ) (2 ) o r (d ) (2 ) o f thi s section.—Instead,—th e definitio n a t paragraphs— (c ) (2)—or—(d ) (2)—o f thi s sectio n shal l appl y t o tha t par t o f th e project . (vi)(A ) Ne t emission s increas e means , wit hrespect.t o an yregulate d NS Rpollutan t emitte d b ya majo r stationar y source , th e amoun t b ywhic hth e sumo f th e followin g exceed s zero : (1) Th e increas e i n emission s fro ma particula r physica l chang e o r chang e i n th e metho d o f operatio n a t a stationar ysource ; an d (2. ) An yothe r increase s an d decrease s i n actua l emission s a t th e majo r stationar ysourc e tha t ar e contemporaneou s wit hth e particula r chang e an d ar e otherwis e creditable .
**** * (C ) A n increas e o r decreas e i n actua l emission s i sP. 7



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 creditabl e onl yif : (I) I t occur s withi na reasonabl e perio d t o b e specifie d b

yth e reviewing authority ; an d (2. ) Th e reviewing authorit yha s no t relie d o n i t i n issuing a permi t fo r th e sourc e unde r regulation s approve d pursuan t t o thi s section , whic hpermi t i s i neffec t whe n th e increas e i n actua l emission s fromth e particula r chang e occurs ; an

d (3. ) Th e increas e o r decreas e i nemission s di d no t occu r a t a Clea n Unit , excep t a s provide d a t paragraph s .(c ) (8 ) an

d (d ) (10 ) o f thi s section . •_£•£—a n emission s iixieas e cause s a Clea n Unit—b o excee d it s emissio nlimit(s ) eci. 1 

### otherwis e fail—t o maintai nClea n Unit:—status a s describe d ir: . paragraph—(c ) (2 ) (ii ) (A)—or—(d ) (2 ) (ii ) (A)—o f thi s section , tha t emissions—increas e an d all—subsequen t emission s change s at —the emission s uni t shal l b e creditable .

**** * 

### (E ) * * * (2. ) I t i s enforceabl e a t an d afte r the time tha t actua l constructio n o n the particula r chang e begins ;

**** * 

### (4. ) I t ha s approximatel yth e same qualitativ e significanc e fo r publi c healt han d welfar e a s tha tP. 8



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 attribute d t o the increas e fromthe particula r change ; an d (5_ ) Th e decreas e i n actua l emission s di d no t resul t fromth e installatio n o f add-o ncontro l technologyo r applicatio n o f pollutio npreventio npractice s tha t wer e relie d o n i n designating a n emission s uni t a s a Clea nUni t unde r paragrap h(y ) o f §52.2 1 o r unde r regulation s approve d pursuan t t o paragrap h(d ) o f thi s sectio no r paragrap h(u ) o f §51.166 . Tha t is , onc e a n emission s uni t ha s bee n designate d a s a Clea n Unit , the owne r o r operato r canno t late r us e th e emission s reductio n from the ai r pollutio n contro l measure s tha t th e designatio ni s base d o n i n calculating th e ne t emission s increas e fo r anothe r emission s uni t (i.e. , mus t no t us e th e reductio n i na "netting analysis " fo r anothe r emission s unit) . However , an yne w emission s reduction s tha t wer e no t relie d upo n i na PC P exclude d pursuan t t o paragrap h(e ) o f thi s sectio no r fo r a Clea n Uni t designatio nar e creditabl e t o the exten t they mee t th e requirement s i n paragraph s (e)(6)(iv ) fo r the PC P an d paragraph s (c)(8 ) o r (d)(10 ) fo r a Clea nUnit .

**** * 

### (vii ) Emission s uni t mean s an ypar t o f a stationary sourc e tha t emit s o r woul d hav e the potentia l t o emi t an y regulate d NS Rpollutan t an d include s an electri c stea mP. 9



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/0

2 generatin g uni t a s define d i n paragrap h(a)(1)(xx ) o f thi s section . Fo r purpose s o f thi s section , ther e ar e tw o type s o f emission s uni t a s describe d i n paragraph s (a)(1)(vii)(A )
an d (€B ) o f thi s section . (A ) Ane wemission s uni t i s an yemission s uni t whic h i s (o r wil l be ) newl yconstructe d an d whic hha s existe d fo r les s tha n 2 year s fro mth e dat e suc hemission s uni t firs t operated . (B ) A n existin g emission s uni t i s an yemission s uni t tha t doe s no t mee t th e requirement s i n paragrap h (a)(1)(vii)(A ) o f thi s section . **** * (xii)(A ) Actua l emission s mean s th e actua l rat e o f emission s o f a regulate d NS Rpollutan t fro ma n emission s unit , a s determine d i n accordanc e wit hparagraph s (a)(1)(xii)(B ) throug h(D ) o f thi s section , excep t tha t thi s definitio n shal l no t appl yfo r calculatin g whethe r a projec t i s a majo r modification , o r fo r establishin g a plantwid e applicabilit ylimi t unde r paragrap h(f ) o f thi s section . Instead , paragraph s (a)(1)(xxviii ) an d (xxxv ) o f thi s sectio n shal l appl yfo r thos e purposes . (B ) I n general , actua l emission s a s of . a particula r dat e shal l equa l th e averag e rate , i n ton s pe r year , a tP.1 0



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 whic hth e uni t actuall yemitte d th e pollutan t durin g a 2

- yea r perio d whic hprecede s th e particula r dat e an d whic hi s representativ e o f norma l sourc e operation . Th e reviewin g authorit yshal l allo wth e us e o f a differen t tim e perio d upo n a determinatio n tha t i t i s mor e representativ e o f

norma l sourc e operation . Actua l emission s shal l b e calculate d usin g th e unit' s actua l operatin g hours , productio n rates , an d type s o f material s processed , stored , o r combuste d durin g th e selecte d tim e period . (C ) Th e reviewin g authorit yma ypresum e tha t source specifi c allowabl e emission s fo r th e uni t ar e equivalen t t o th e actua l emission s o f th e unit . (D ) Fo r an yemission s uni t tha t ha s no t begu n norma l operation s o n th e particula r date , actua l emission s shal l equa l th e potentia l t o emi t o f th e uni t o n tha t date . kkkk"k (xviii ) Constructio n mean s anyphysica l chang e o r chang e i n th e metho d o f operatio n (includin g fabrication , erection , installation , demolition , o r modificatio n o f a n emission s unit ) tha t woul d resul t i n a chang e i n emissions .

**** * (xxi ) [Reserved ]

**** *P.1 1



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 (xxv ) Pollutio nContro l Project , o r "PCP" , mean s an y activit y

o r projec t (includingpollutio npreventio na s define dunde r paragraph(a)(1)(xxvi ) o f thi s section , o r wor k practices ) undertakena t a nexistin gemission s uni t tha t reduce s emission s o f ai r pollutant s fro m suc hunit , a s longa s an

y significan t emission s increas e o f a regulate d NS Rpollutan t i s offse t wit hacceptabl e emission s reductions . Suc hqualifyin g activitie s o r project s ca n includ e th e replacemen t o r upgrad e o f a n existin g emission s contro l technolog ywit ha mor e effectiv e unit . Othe r change s tha t may

occu r at th e sourc e ar e no t considere dpar t
o f th e PC P i f the y ar e no t necessar y t o reduc e emission s throughth e PCP . Suc hqualifyin g activitie s o r project s ca n includ e th e replacemen t o r upgrad e o f a n existin g emission s control—technolog ywit ha mor e effectiv e unit . Project s liste di nparagraph s (a)(1)(xxv)(A ) through(F ) o f thi s sectio nar e presume d t o b e environmentall ybeneficia l pursuan t t o paragrap h(e)(2 ) (i ) o f thi s section . Project s no t liste d in . rhes e paragraph s ma yqualif yfo r a case specifi c PC P exclusio n pursuan t t o th e requirement s o f paragrap h(e ) fi;(ii ) o f thi s section . (A ) Conventiona l o r advance dflue ga s desulfurizatio n o r sorben t injectio nfo r contro l o f S0 2 .P.1 2



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 (B ) Electrostati c precipitators , baghouses , hig h efficienc ymulticlones , o r scrubber s fo r contro l o f particulat e matte r o r othe r pollutants . (C ) Flu e ga s recirculation , low-NO xburner s o r combustors , selectiv e non-catalyti c reduction , selectiv e catalyti c reduction , lo wemissio n combustio n (fo r I C engines) , an d oxidation/absorptio n catalys t fo r contro l o f NO x . (D ) Regenerativ e therma l oxidizers , catalyti c oxidizers , condensers , therma l incinerators , hydrocarbo n flare s (maximu msulfu r conten t o f 1. 0 percent) , biofiltration , absorber s an d adsorbers , an d floatin g roof s fo r storag e vessel s fo r contro l o f volatil e organi c compound s o r hazardou s ai r pollutants . (E ) Activitie s o r project s undertake n t o accommodat e switchin g (o r partiall yswitching ) t o a n inherentl yles s pollutin g fuel , t o b e limite d t o th e followin g fue l switches : (JL ) Switchin g fro ma heavie r grad e o f fue l oi l t o a lighte r fue l oil , o r an ygrad e o f oi l t o 0.0 5 percen t sulfu r diese l (i.e. , fro ma highe r sulfu r conten t # 2 fue l o r fro m # 6 fuel , t o C A0.0 5 percen t sulfu r # 2 diesel) ; (2. ) Switchin g fro mcoal , oil , o r an ysoli d fue l t o 1 0P.1 3



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/0

2 natura l gas , propane , o r gasifie d coal ; (3. ) Switching fromcoa l t o wood , excluding constructio n o r demolitio nwaste , chemica l o r pesticid e i 

### treate d wood , an

d othe r form s o f "unclean " wood ; (4. ) Switching fromcoa l t o # 2 fue l oi l (0. 5 percen t maximu msulfu r content) ; an d (5. ) Switching fromhighsulfu r coa l t o lo wsulfu r coa l (maximu m1. 2 percen t sulfu r content) , wit hth e exceptio no f switching from

Easter n Bituminous—coal—t o Powdeu—Rive r Dasi n coal . (F ) Activitie s o r project s undertake n t o accommodat e switching fromthe us e o f on e ozon e depleting substanc e (ODS ) t o the us e o f a substanc e wit ha lowe r ozon e depletio n potentia l (ODP) , o r t o us e o f a non-ozon e depleting substance , including change s t o equipmen t neede d t o accommodat e the activit yo r project , tha t mee t th e requirement s o f paragraph s (a ) (1 ) (xxv ) (F ) (JL ) an d (2. ) o f thi s section . (JL) Th e productiv e capacit yo f the equipmen t i s no t increase d a s a resul t o f the activit yo r project ; an d (2. ) Th e projecte d usag e o f the newsubstanc e i s lower , o n a n ODP-weighte d basis , tha nth e baselin e usag e o f the replace d ODS . T o mak e thi s determination , followthe 1 1P.1 4



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 procedur e i n paragraph s (a ) (1 ) (xxv ) (F ) (2. ) (i ) through(iv ) o f thi s section . (i ) Determin e th e OD P o f the substance s b yconsulting 4 0 CFRPar t 82 , Subpar t A , Appendice s Aan d B . (ii ) Calculat e th e replace d ODP-weighte d amoun t b y multiplying the baselin e actua l usag e (usin g th e annualize d averag e o f an

y2 4 consecutiv e month s o f usag e withi nthe pas t 1 0 years ) b

ythe OD P o f th e replace d ODS . (iii ) Calculat e th e projected * ODP-weighte d amoun t b y multiplying the projecte d futur e annua l usag e o f th e ne w substanc e b

yit s ODP . (iv ) I f th e valu e calculate d i nparagrap h (a ) (1 ) (xxv ) (F ) (2. ) (ii ) o f thi s sectio ni s mor e tha n th e valu e calculate d i n paragrap h(a ) (1 ) (xxv ) (F ) (2. ) (iii ) o f thi s section , the n the projecte d us e o f the ne wsubstanc e i s lower , o n a n ODP-weighte d basis , thanthe baselin e usag e o f the replace d ODS . (xxvi ) Pollutio npreventio n mean s an yactivit ytha t throughproces s changes , produc t reformulatio no r redesign , o r substitutio n o f les s polluting rawmaterials , eliminate s o r reduce s the releas e o f ai r pollutant s (including fugitive emissions ) an

d othe r pollutant s t o the environmen t prio r t o recycling , treatment , o r disposal ; i t doe s no t mea n 1 2P.1 5



### Interna lan dDeliberativeDraft- Dono tquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 recycling (othe r tha ncertai n "in-proces s recycling " practices) , energyrecovery , treatment , o r disposal . (xxvii ) Significan t emission s increas e means , fo r a regulate d NS Rpollutant , anincreas e i nemission s tha t i s significan t (as define d i nparagraph(a)(1)(x ) o f thi s section ) fo r tha t pollutant . Th e procedur e fo r calculating a n increas e i n emission s i s containe d i nparagrap h (a)(2)(vi ) o f thi s section . (xxviii)(A ) Futur e annua l emission s means , th e maximu m annua l rate , i n ton s pe r year , a t whic ha nexisting emission s uni t i s projecte d t o emi t a regulate d NS R pollutan t i n an

yon e o f the 5 calenda r year s following the dat e the uni t resume s regula r operatio nafte r the project , o r i n an

yon e o f the 1 0 calenda r year s following tha t dat e such , i f the projec t involve s increasing the emission s unit' s design capacit yo r it s potentia l t o emi t o f tha t regulate d NS Rpollutant , an d ful l utilizatio n o f the uni t woul d resul t i n a significan t emission s increase , o r a significan t ne t emission s increas e a t the majo r stationary source . (B ) I n determining the futur e annua l emission s STRIKEOUT projecting th e metxri-mu mannua l rat e require d i n paragrap h(a)(1)(xxviii)(A ) o f thi s sectio n(befor e 13P.1 6



### Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 beginnin g actua l constructio n a s require d unde r paragrap h (a)(2)(vi ) o f thi s section) , th e owne r o r operato r (o r reviewin g authority , i f applicable ) o f th e majo r stationar y sourc e shall : (JL ) Conside r al l relevan t information , includin g bu t
no t limite d to , historica l operationa l data , th e company' s ow n representations , th e company' s highes t projection s o f busines s activity , filing s wit hth e Stat e o r Federa l regulator yauthorities , an d complianc e plan s unde r th e approve d Stat e Implementatio n Plan ; an d (2. ) Includ e fugitiv e emission s t o th e exten t quantifiable , an d emission s associate d wit hstartups , shutdowns , an d malfunctions ; an d (3. ) Exclude , i n calculatin g an yincreas e i n emission s tha t result s fro mth e particula r construetio n project , tha t portio n o f th e unit' s emission s followin g th e projec t chang e tha t a n existin g uni t coul d hav e accommodate d durin g th e consecutiv e 24-mont hperio d use d t o establis hth e baselin e actua l emission s unde r paragrap h(a)(1)(xxxv ) o f thi s sectio n an d whic hLha t ar e als o unrelate d t o th e particula r projec t change , includin g anyincrease d utilizatio n du e to ' produc t deman d growth ; or , (4. ) I n lie u o f complyin g wit husin g th e metho d se t ou t 1 4P.1 7



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 i n th e abov e paragraph s (a)(1)(xxviii)(B)(1 ) throug h(3) , us e th e emission s unit' s potentia l t o emit , i n ton s pe r year , a s define d unde r paragrap h(a ) (1 ) (iii ) o f thi s section . (xxix ) Clea n Uni t mean s an yemission s uni t tha t ha s bee n issue d a majo r NS Rpermi t tha t require s complianc e wit h BAC T o r LAER , tha t i s complyin g wit hsuc hBACT/LAE R requirements , an d qualifie s a s a Clea n Uni t pursuan t t o regulation s approve d b yth e Administrato r i n accordanc e wit h paragrap h(c ) o f thi s section ; o r an yemission s uni t tha t ha s bee n designate d b ya reviewin g authorit ya s a Clea n Unit , base d o n th e criteri a i n paragraph s (d)(3)(i ) throug h (iv ) o f thi s section , usin g a Stat e Implementatio n Plan

approve d permittin g process . (xxx ) Nonattainmen t majo r NS Rprogra mmean s a majo r sourc e preconstructio n permi t progra mtha t ha s bee n approve d b yth e Administrato r an d incorporate d int o th e State' s Implementatio n Pla n (the plan ) t o implemen t th e requirement s o f thi s section , o r a progra mtha t implement s Par t 51 , Appendi xS , Section s I throug hV I o f thi s chapter . An y permi t issue d unde r suc ha progra mi s a majo r NS Rpermit . (xxxi ) Continuou s emission s monitorin g syste m(CEMS )
mean s al l o f th e equipmen t tha t ma yb e require d t o mee t th e 1 5P.1 8



### Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 dat a acquisitio n an d availabilit yrequirement s o f thi s section , t o sample , conditio n (i f applicable) , analyze , an d provid e a recor d o f emission s o n a continuou s basis . (xxxii ) Predictiv e emission s monitorin g syste m(PEMS )
mean s al l o f th e equipmen t necessar yt o monito r proces s an d contro l devic e operationa l parameter s (fo r example , contro l devic e secondar yvoltage s an d electri c currents ) an d othe r informatio n (fo r example , ga s flo wrate , 0 2 o r C0 2 concentrations) , an d calculat e an d recor d th e mas s emission s rat e (fo r example , lb/hr ) o n a continuou s basis . (xxxiii ) Continuou s paramete r monitorin g syste m(CPMS )
mean s al l o f th e equipmen t necessar yt o mee t th e dat a acquisitio n an d availabilit yrequirement s o f thi s section , t o monito r proces s an d contro l devic e operationa l parameter s (fo r example , contro l devic e secondar yvoltage s an d electri c currents ) an d othe r informatio n (fo r example , ga s flo wrate , 0 2 o r C0 2 concentrations) , an d t o recor d averag e operationa l paramete r value(s ) o n a continuou s basis . (xxxiv ) Continuou s emission s rat e monitorin g syste m (CERMS ) mean s th e tota l equipmen t require d fo r th e determinatio n an d recordin g o f th e pollutan t mas s emissio n rat e (i n term s o f mas s pe r uni t o f time) . (xxxv ) Baselin e actua l emission s mean s th e rat e o f 1 6P.1 9



### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.16 5 AmendatoryLanguage10/18/02 emissions , i nton s pe r year , o f a regulate dNS Rpollutant , a s determine di naccordanc e wit hparagraph s (a)(1)(xxxv)(A ) through(C ) o f thi s section . (A ) Fo r an

y existin gelectri c utilit y stea m generatin g unit , baselin e actua l emission s mean s the averag e rate , i n ton s pe r year , at whic hthe uni t actuall y emitte dthe pollutan t durin gan y 2-yea r perio dselecte d byth e owne r o r operato r withi nth e 5-yea r perio dimmediatel y precedin gwhe n th e owne r o r operato r begin s actua l constructio no f th e projec t at tha t emission s unit . Th e reviewin gauthorit y shal l allow

th e us e o f a differen t time perio dupo na determinatio ntha t i t i s mor e representativ e o f norma l
sourc e operation . (1) Th e averag e rat e shal l includ e fugitiv e emission s t o th e exten t quantifiable , an d emission s associate d wit h startups , shutdowns , an d malfunctions . (2. ) Th e averag e rat e shal l b e adjuste d downwar d t o exclud e anynon-complian t emission s tha t occurre d whil e th e sourc e wa s operatin g abov e anyemissio n limitatio n tha t wa s enforceabl e durin g th e 2-yea r period . (3. ) Whe n a projec t involve s physica l change s t o o r change s i n th e metho d o f operatio n o f multipl e emissio n units , onl yon e 2-yea r perio d ma yb e use d t o determin e th e 1 7P.2 0



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yLanguage10/18/02 baselin e actua l emission s fo r al l suc hemission s units . (4. ) Th e averag e rat e shal l no t b e base d o n any consecutiv e 2-yea r perio d fo r whic hther e i s inadequat e informatio n fo r determinin g annua l emissions , i n ton s pe r year , an d fo r adjustin g thi s amoun t i f require d byparagrap h (a ) (1 ) (xxxv ) (A ) (2. ) o f thi s section . (B ) Fo r a n existin g emission s uni t (othe r tha n a n electri c utilit ystea mgeneratin g unit) , baselin e actua l emission s mus t b e determine d accordin g t o paragraph s (a ) (1 ) (xxxv ) (B ) (JL ) throug h(6. ) o f thi s section . (JL ) Baselin e actua l emission s mean s th e averag e rate , i n ton s pe r year , a t whic hth e emission s uni t actuall y emitte d th e pollutan t durin g an yconsecutiv e 24-mont hperio d selecte d b

yth e owne r o r operato r withi n th e 10-yea r perio d immediatel yprecedin g eithe r th e dat e th e owne r o r operato r begin s actua l constructio n o f th e project , o r th e dat e a complet e permi t applicatio n i s receive d b yth e reviewin g authorit yfo r a permi t require d eithe r unde r thi s sectio n o r unde r a Stat e Implementatio n Pla n approve d b yth e Administrator , whicheve r i s earlier , excep t tha t th e 10-yea r perio d shal l no t includ e anyperio d earlie r tha n Novembe r 15 , 1990 . (2. ) Th e averag e rat e shal l includ e fugitiv e emission s 1 8P.2 1



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yLanguage10/18/02 t o th e exten t quantifiable , an d emission s associate d wit h startups , shutdowns , an d malfunctions . (J3 ) Th e averag e rat e shal l b e adjuste d downwar d t o exclud e anynon-complian t emission s tha t occurre d whil e th e sourc e wa s operatin g abov e a n operationa l restrictio n o r emissio n limitatio n tha t wa s enforceabl e durin g th e consecutiv e 24-mont hperiod . (4. ) Th e averag e rat e shal l b e adjuste d downwar d t o exclud e an yemission s tha t woul d hav e exceede d a n operationa l o r emissions

- limitations

- (tha t ar e enforcea-b-Jre-)

- wit hwhic hth e majo r stationar ysourc e mus t currentl y comply , ha d suc hmajo r stationar ysourc e bee n require d t o compl ywit hsuc hlimitation s durin g th e consecutiv e 24-mont h period . However , i f a n operationa l restrictio n o r emissio n limitatio n i s par t o f a maximu machievabl e contro l technolog ystandar d tha t th e Administrato r propose d o r promulgate d unde r par t 6 3 o f thi s chapter , th e baselin e actua l emission s nee d onl yb e adjuste d i f th e Stat e ha s take n credi t fo r suc hemission s reduction s i n a n attainmen t demonstratio n o r maintenanc e pla n consisten t wit hth e requirement s o f paragrap h(a)(3)(ii)(G ) o f thi s section . (5_) Whe n a projec t involve s physica l change s t o or . change s i n th e metho d o f operatio n o f multipl e emissio n 

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yLanguage10/18/02 units , onl yon e consecutiv e 24-mont hperio d ma yb e use d t o determin e th e baselin e actua l emission s fo r al l suc h emission s units . (6. ) Th e averag e rat e shal l no t b e base d o n an y consecutiv e 24-mont hperio d fo r whic hther e i s inadequat e informatio n fo r determinin g annua l emissions , i n ton s pe r year , an d fo r adjustin g thi s amoun t i f require d b y paragraph s (a ) (1 ) (xxxv ) (B ) (3. ) an d (4. ) o f thi s section . (C ) Fo r a ne wemission s unit , th e baselin e actua l emission s fo r purpose s o f determinin g th e emission s increas e tha t wil l resul t fro mth e initia l constructio n an d operatio n o f suc huni t shal l equa l zero ; an d thereafter , fo r al l othe r purposes , shal l equa l th e unit' s potentia l t o emit . (D ) Fo r a plantwid e applicabilit ylimi t fo r a stationar ysource , th e baselin e actua l emission s shal l b e calculate d fo r existin g electri c utilit ystea mgeneratin g unit s i n accordanc e wit hth e procedure s containe d i n paragrap h(a)(1)(xxxv)(A ) o f thi s section , fo r othe r existin g emission s unit s i n accordanc e wit hth e procedure s containe d i n paragrap h(a)(1)(xxxv)(B ) o f thi s section , an d fo r a ne wemission s uni t i n accordanc e wit hth e procedure s containe d i n paragrap h(a)(1)(xxxv)(C) . (xxxvi ) [Reserved ] 2 0P.2 3

Interna landDeliberativ eDraft - D ono tquote , cite , copy , o rdistribute .

51.16 5 Amendator yLanguag e10/18/0 2 (xxxvii ) Regulate d NS Rpollutant , fo r purpose s o f thi s section , mean s th e following : (A ) Nitroge n oxide s o r an yvolatil e organi c compounds ; (B ) An ypollutan t fo r whic ha nationa l ambien t ai r qualit ystandar d ha s bee n promulgated ; o r (C ) An ypollutan t tha t i s a constituen t o r precurso r o f a genera l pollutan t liste d unde r paragraph s (a)(1)(xxxvii)(A ) o r (B ) o f thi s section , provide d tha t a constituen t o r precurso r pollutan t ma yonl yb e regulate d unde r NS Rthroug hregulatio n o f th e genera l pollutant . (xxxviii ) Reviewin g authorit ymean s th e Stat e ai r pollutio n contro l agency , loca l agency , othe r Stat e agency , o r othe r agenc yauthorize d b yth e Administrato r t o carr you t
apermi t progra munde r thi s sectio n an d §51.166 , o r th e Administrato r i n th e cas e o f EPA-implemente d permi t program s unde r §52.21 . (xxxix ) Projec t mean s a physica l chang e in , o r chang e i n th e metho d o f operatio n of , a n existin g majo r stationar y source . (xxxx ) Bes t availabl e contro l technolog y(BACT ) mean s
a n emission s limitation(includin g a visibl e emission s standard ) base d o n th e maximu mdegre e o f reductio n fo r eac h regulate d NS Rpollutan t whic hwoul d b e emitte d fro man y propose d majo r stationar ysourc e o r majo r modificatio n whic h


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- Do no t quote , cite , copy , o r

distribute
. 51.16 5 AmendatoryLanguage10/18/02 the reviewing authority , o na case-by-cas e basis , taking int o accoun t energy , environmental , an d economi c impact s an d othe r costs , determine s i s achievabl e fo r suc hsourc e o r modificatio n throughapplicatio no f productio nprocesse s o r availabl e methods , systems , an d techniques , including fue l cleaning o r treatmen t o r innovativ e fue l combustio n technique s fo r contro l o f suc hpollutant . I n n o even t shal l applicatio n o f bes t availabl e technologyresul t i nemission s o f an ypollutan t whic hwoul d excee d the emission s allowe d b y an yapplicabl e standar d unde r 4 0 CFRPar t 6 0 o r 61 . I f th e reviewing authorit ydetermine s tha t technologica l o r economi c limitation s o nth e applicatio no f measuremen t methodologyt o a particula r emission s uni t woul d mak e th e impositio n o f a n emission s standar d infeasible , a design , equipment , wor k practice , operationa l standard , o r combinatio n thereof , mayb e prescribe d instead t o satisf y the requiremen t fo r the applicatio n o f bes t availabl e contro l technology . Suc hstandar d shall , t o th e degre e possible , se t fort hthe emission s reductio nachievabl e b y implementatio n o f suc hdesign , equipment , wor k practic e o r operation , an

d shal l provid e fo r complianc e b ymean s whic h achieve equivalen t results . (2 ) Applicabilit yProcedures . Eac hpla n shal l contai n provision s tha t requir e us e o f th e procedure s se t ou t i n
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yLanguage10/18/02 paragraph s (a)(2)(i ) throug h(ix ) o f thi s section . Th e Administrato r wil l approv e deviation s fro mthes e requirement s onl yi f th e Stat e specificall ydemonstrate s tha t th e submitte d requiremen t i s mor e stringent , o r a t leas t a s stringent , i n al l respect s a s th e correspondin g requiremen t below . (i ) Eac hpla n shal l adop t a preconstructio n revie w progra m

t o satisf yth e requirement s o f section s 172(b)(6 ) an d 1.73 o f th e Ac t fo r anyare a designate d nonattainmen t fo r anynationa l ambien t ai r qualit ystandar d unde r 4 0 CF R .81.30 0 e t seq . Suc ha progra mshal l appl yt o an yne wmajo r stationar ysourc e o r majo r modificatio n tha t i s majo r fo r th e pollutan t fo r whic hth e are a i s designate d nonattainmen t unde r sectio n 107(d)(1)(A)(i ) o f th e Act , i f th e stationar y sourc e o r modificatio n woul d locat e anywher e i n th e designate d nonattainmen t area . (ii ) Th e requirement s o f paragrap h(a)(5)(iii ) o f thi s sectio n appl yt o an yelectri c utilit ystea mgeneratin g uni t whe n i t i s reasonabl yexpecte d (using bes t engineerin g judgment ) tha t suc hunit' s futur e annua l emission s wil l b e greate r tha n it s baselin e actua l emission s a s a resul t o f a project , an d suc hemissio n increase s ar e par t o f a modificatio n t o th e majo r stationar ysourc e (bu t no t a majo r modification) .
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yLanguage10/18/02 (iii ) Th e requirement s o f paragraph(a)(5)(iv ) o f thi s sectio n appl yt o an yexisting emission s uni t (othe r thana n electri c utilit ystea mgenerating unit ) whe ni t i s reasonabl yexpecte d (usin g bes t engineering judgment ) tha t suc hunit' s futur e annua l emission s wil l b e greate r thanit s baselin e actua l emission s a s a resul t o f a project , an d suc h emissio n increase s ar e par t o f a modificatio nt o th e majo r stationarysourc e (but no t a majo r modification) . (iv ) Excep t a s otherwis e provide d i nparagraph s (a)(2)(v ) an

d (vi ) o f thi s section , an d consisten t wit hthe definitio n o f majo r modificatio n containe d i nparagrap h (a)(1)(v)(A ) o f thi s section , a projec t i s a majo r modificatio n fo r a regulate d NS Rpollutan t i f i t cause s tw o type s o f emission s increase s - a significan t emission s increas e (as define d i n paragraph(a)(1)(xxvii ) o f thi s section) , an

d a significan t ne t emission s increas e (as define d i n paragraph s (a)(1)(vi ) an d (x ) o f thi s section) . Th e projec t i s no t a majo r modificatio ni f i t doe s no t caus e a significan t emission s increase . I f the project , cause s a significan t emission s increase , the nthe projec t i s a majo r modificatio n onl yi f i t als o result s i n a significan t ne t emission s increase . Th e procedur e fo r calculating whethe r a significan t emission s increas e (i.e. , the firs t step o f the process ) wil l occu r depend s upo nthe typ e o f emission s unit s
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### Interna lan dDeliberativeDraft- D onotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 bein gmodified , accordin gt o paragraph s (a)(2)(vi)(A ) through(D ) o f thi s section . Th e procedur e fo r calculatin g whethe r a significan t ne t emission s increas e wil l occu r at th e majo r stationar y sourc e (i.e. , th e secondste po f th e process ) i s containe di nthe definitioni nparagraph (a ) (1 ) (vi ) o f thi s section . Befor e beginning—atrfc-a-a-3 : construetio n o f a project,—th e owne r o r operato r ' (o r reviewin g authority,—i f applicable)—shal l mak e a projectio n of —the—futur e annua l emission s for—anyexistin g emission s unit.—fo r whic hthere—i s a reasonabl e expectation—(usin g bes t engineerin g judgment)—that—futur e annua l emission s wil l b e greate r tha n th e baselin e actua l emission s a s a resul t o f th e constructio n project,—an d o f th e potential—t o emit— fo r .ne wemission s units . Thi s projection(s)—wil l b e use d i n calculatin g whethe r a significan t emission s increas e o r significan t ne t emissions—increas e coul d result—.fromth e constructio n project—(an d thu s whether— a permit—rs—require d unde r paragraph—(a ) (2 ) (iii)—o f thi s section ) . A s provide d byparagrap h(a ) (1 ) (xxviii)—of—this—section,—th e potential—t o emit—of—ari yemissions—unit,—i n tpy,—ma ybe—used—instea d o f project!n g t hat—unit ' s—future annual—emission s . Regardles s of— t lie—ui

e t hod—for—making—emissions—pro j ec t IOUS—befor e be g i n n i ri

g a c t u a 1—con s tru e tion,—an yconstruction , pro j ect— rs ? subjec t t o th e requirement s o f thi s sectio n a s a majo r

2 5

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yLanguage10/18/02 modification,—ff-7—th e futur e annua l emissions—[th e amoun t actuall yemitte d b yth e modifie d emission s unit s a s define d b yparagraph 1 (a ) (1 ) (xxviii) ] ,—i n ton s pe r year,—result s i n bot ha significan t emissions—increas e an d a significan t ne t emissions—increas e a s determine d unde r thi s section . (A ) Actual-to-future-annua l emission s tes t fo r project s a t a n existin g emission s units . Fo r a give n project , a significan t emission s increas e o f a regulate dNS R pollutan t i s projecte d t o occu r i f th e sum o f th e differenc e betwee nth e futur e annua l emission s (a s define di nparagrap h (a)(1)(xxviii ) o f thi s section ) an dth e baselin e actua l emission s (a s define di nparagraph s (a)(1)(xxxv)(A ) an d (B )
o f thi s section , a s applicable) , fo r eac hexistin g emission s unit , equal s o r exceed s th e significan t amoun t fo r tha t pollutan t (a s define di nparagrap h(a)(1)(x ) o f thi s section) . (B ) Actual-to-future-actual-annua l tes t fo r project s tha t onl yinvolv e existin g emission s unit s (othe r tha n electri c utilit ystea mgeneratin g units) . Fo r a give n Th e project , wi11—result— f na significan t emission s increas e o f
a regul-. r <••' . NS R pollutan t occur s i f th e su mo f th e differen

- • betwee n th e futur e annua l emission s (a s define d i n paragrap h(a)(1(xxviii) ) o f thi s section ) an d th e baselin e actua l emission s (a s define d i n paragrap h


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yLanguage10/18/0

2 (a)(1)(xxxv)(B ) o f thi s section) , fo r eac ho f th e existin g emission s units-;—wiios e emission s ar e affecte d byth e projec t equal s o r exceed s th e significan t amoun t fo r tha t pollutan t (a s define d i n paragrap h(a)(1)(x ) o f thi s section) . (€B ) Actual-to-potentia l tes t fo r project s tha t onl y involv e constructio n o f a ne wemission s unit(s) . Fo r a give n project , a significan t emission s increas e o f a regulate d NS Rpollutan t i s projecte d t o occu r i f th e sum o f th e differenc e betwee n th e potentia l t o emi t (a s define d i n paragrap h(a)(1)(iii ) o f thi s section ) fro meac hne w emission s uni t followin g completio n o f th e projec t an d th e baselin e actua l emission s (a s define d i n paragrap h (a)(1)(xxxv)(C ) o f thi s section ) o f thes e unit s befor e th e .projec t equal s o r exceed s th e significan t amoun t fo r tha t pollutan t (a s define d i n paragrap h(a)(1)(x ) o f thi s section) . (BC ) Th e hybri d tes t fo r project s tha t involv e multipl e type s o f emission s units . Fo r a give n project , a significan t emission s increas e o f a regulate d NS Rpollutan t wil l occu r i f th e sumo f th e emission s increase s i n paragraph s (a)(2)(vi)(D)(i ) throug h(A) o f thi s sectio n equal s o r exceed s th e significan t amoun t fo r tha t pollutan t (a s define d i n paragrap h(a)(1)(x ) o f thi s section) . (1) Th e differenc e betwee n th e futur e annua l emission s

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yLanguage10/18/02 (as define di nparagraph(a)(1)(xxviii ) o f thi s section ) and the baselin e actua l emission s (as define di nparagraph s (a)(1)(xxxv)(A ) and(B ) o f thi s section , a s applicable ) fo r an y existin gelectri c utilit ystea mgeneratin g emission s units ; (2. ) Th e differenc e betwee n th e futur e annua l emission s (a s define d i n paragraph—(a ) (1 ) (xxviii) —o f thi s section)

— an d th e baselin e actua l emissions—(a s define di nparagrap h (a ) (1 ) (xxxv ) (B)

—

o f thi s section)— fo r an y existin g emission s units— (other—tha nelectri c utilit y stea m generatin gunits ) whos e emission s ar e affecte d bythe project ; (3-2 ) Th e differenc e betwee nth e potentia l t o emi t (as define di nparagraph(a)(1)(iii ) o f thi s section ) andth e baselin e actua l emission s o f an y new emission s units ; and (4-3 ) N o emission s increas e wil l b e associate d wit h project s a t a Clea n Unit . (viii ) An yprojec t tha t ca n b e constructe d an d operate d a t a Clea n Uni t (a s define d i n paragrap h (a)(1)(xxix ) o f thi s section ) withou t causin g th e emission s uni t t o los e it s Clea n Uni t statu s i s no t considere d a majo r modification . An yprojec t tha t woul d caus e a n emission s uni t t o los e it s Clea n Uni t statu s i s subjec t t o paragrap h (a ) (2 ) (vi ) o f thi s section , fo r determinin g whethe r th e projec t i s a majo r modification . Se e paragraph s (c)(2 ) an d

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yLanguage10/18/0

2 (d)(2 ) o f thi s sectio n fo r mor e o n determinin g whethe r a projec t woul d caus e a n emission s uni t t o los e it s Clea n Uni t status.—I f a constructio n projec t involve s Fo r an yphysica l chang e i n o r chang e i n th e metho d o f operatio n t o a Clea n Unit—(a s define d i n paragraph—(a ) (1 ) (xxix)—o f thi s section ) , th e majo r stationar ysourc e shal l b e subject—t o th e requirements—under—paragraphs—(tr)—and—(-dr)—of—this—sectio n . — (ix ) PCP s (a s define d i n paragrap h(a)(1)(xxv ) o f thi s section ) shal l compl ywit hth e requirement s unde r paragrap h (e ) o f thi s section .

anymajo r stationary—sourc e wit hrespect—t o eac hhazardou s ai r pollutan t liste d pursuan t t o sectio n 11 2 of—th e Act , excep t a s provide d in.th e definitio n o f regulate d N3 R pollutan t a t paragraph—(a ) (1 ) (xxxvii)—o f thi s section .

( 3 ) * * * • (ii ) * * * (H ) Decrease s i n actua l emission s resultin g fro mth e installatio n o f add-o n contro l technolog yo r applicatio n o f pollutio n preventio n measure s tha t wer e relie d o n i n designatin g a n emission s uni t a s a Clea n Uni t canno t b e use d
a s offsets . (I ) Decrease s i n actua l emission s occurrin g a t a Clea n Uni t canno t b e use d a s offsets , excep t a s provide d a t



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yLanguage10/18/02 paragraph s (c)(8 ) and(d)(10 ) o f thi s section . (J ) Th e tota l tonnag e o f increase demissions , i nton s pe r year , resultin gfro m a majo r modificatio ntha t mus t b e offse t i naccordanc e wit hsectio n17 3 o f th e Ac t shal l b e determine db

y summingthe differenc e betwee nthe allowabl e emission s afte r th e modification(as define db y paragrap h (a)(1)(xi ) o f thi s section ) an dthe actua l emission s befor e the modificatio n(as define di nparagrap h(a)(1)(xii ) o f thi s section ) fo r eac hemission s unit .
**** * (5 ) * * * (iii ) Electri c utilit ystea mgeneratin g units . Th e requirement s o f thi s paragrap happl yt o anyelectri c utilit y stea m generatin g uni t whe n i t i s reasonabl yexpecte d (usin g bes t engineerin g judgment ) tha t suc hunit' s futur e annua l emission s wil l b e greate r tha n it s baselin e actua l emission s a s a x~esul t o f a project , and suc hemissio n increase s ar e par t o f a modificatio n t o th e majo r stationar ysourc e (bu t no t a majo r modification ) . (A ) Befor e beginnin g actua l construction , th e majo r stationar ysourc e snai l provid e notic e t o th e reviewin g . authority . Notic e t o th e reviewin g authorit yshal l includ e th e following : that—begin s actua l constructio n o f a physica l change—i n or—the—change—i n metho d of—operatio n of—ar t



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yLanguage10/18/02 existin g electri c utilit ystea mgeneratin g unit—that—i s no t par t o f a majo r modificationmaintain . an d submit—t o th e reviewin g authority,—o n a n annua l basi s fo r a perio d o f 5 year s fro mth e dat e th e unit—resume s regula r operation , informatio n demonstratin g that—th e physica l o r operationa l chang e di d no t resul t i n a n emission s increase . Alonge r period,—not—t o excee d 1 0 years,—ma ybe—require d by— the reviewin g authorit yi f i t determine s suc ha perio d t o b e mor e representativ e o f normal—sourc e post"chang e operation . (J_ ) Adescriptio n o f th e project , includin g identificatio n o f a emissio n unit s tha t coul d b e affecte d b y th e project ; - (2. ) Identificatio n o f th e baselin e actua l emission s fo r eac helectri c utilit ystea mgeneratin g uni t whos e emission s coul d increas e a s a resul t o f th e project-;— an dan y dat a supportin g th e determinatio n o f baselin e actua l emissions ; (J_ ) Th e projection s o f th e futur e annua l emission s fo r anyelectri c utilit ystea mgeneratin g uni t whos e emission s coul d increas e a s a resul t o f th e project , th e amoun t o f emission s exclude d xander paragrap h(a ) (1 ) ;xxviii ) (B ) (3_ ) o f thi s sectio n an d a n explanatio n fo r whysuc hamoun t wa s excluded ; an d (4 ) Th e ne t emission s increas e calculation , i f



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yLanguage10/18/02 applicable . (B ) Notwithstandin g th e provision s i n paragrap h (a ) (5 ) (iii ) (A ) above , th e reviewin g ciuthorit yma yelec t t o conduc t a n additiona l revie wo f th e emission s change s relate d t o th e project . (JL ) Th e reviewin g authorit yshal l notif yth e owne r o r operato r o f suc helectio n withi n a reasonabl e perio d afte r receip t o f th e notic e require d i n paragrap h(a)(5)(iii)(A ) above . (2. ) I f th e owne r o r operato r receive s a notic e o f suc h electio n fro m

th e reviewin g authority , the n th e owne r o r operato r shal l suspen d constructio n unti l furthe r notic e fro mth e reviewin g authority . -fC- ) Recordkeeping . The-owrreir—o r operato r shal l maintai nan d submit—t o th e reviewin g authority,—o na n annua l basis—fo r a perio dof— 5 years—fro mth e date—th e unit—resume s regula r operation,—informatio ndemonstratin g that—th e physica l o r operationa l chang e di d not—result—i na n emissions—increas e . Alonger—peiiod,—not—to—exceed—3r6

- years,—ma yb e require dby—the—reviewin g authorit yif—rt

d e t e m nn e s sttcn<%perio dc o b e m o r e i e p r e s e r 1 1 a 1 1 ve o f norma l
sourc e post-cnang e operation . Tn e owne r o r operato r snai l als o maintai na cop yof—th e notice—(require db yparagrap h (a ) ( J ) (iii)—an dan ydata—that—supports—the—informatio n



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yLanguage10/18/02 submitte d i n suc hnotice . (iv ) Existin g emission s units . Eac hpla n shal l provid e tha t th e followin g requirement s appl yt o project s a t a n existin g emission s unit s a t a majo r stationar ysourc e i n circumstance s wher e ther e i s a reasonabl e possibilit ytha t a projec t ma yresul t i n a n emission s increas e an d wh o elec t t o
us e th e metho d se t ou t i n paragraph s (a)(1)(xxviii)(B)(1)

- (3 ) fo r calculatin g futur e annua l emission s shal l compl y wit hparagraph s (a)(5)(iv)(A ) throug h(C ) o f thi s section . (A ) Befor e beginnin g actua l constructio n o f th e project , th e owner/operato r shal l documen t an d maintai n a recor d o f th e followin g information : (JL ) Abrie f descriptio n o f th e project ; (2. ) Identificatio n o f th e emission s unit(s ) whos e emission s o f a regulate d NS R pollutan t coul d b e affecte d b y th e project ; an d (3. ) Adescriptio n o f th e applicabilit ytes t use d t o determin e tha t th e projec t i s no t a majo r modificatio n fo r an yregulate d NS R pollutant , includin g th e baselin e actua l emissions , th e futur e annua l emissions , th e amoun t o f emission s exclude d unde r paragrap h(a ) (1 ) (xxviii ) (B ) (3. ) o f thi s sectio n an d a n explanatio n fo r wh ysuc hamoun t wa s excluded , an d an ynettin g calculations , i f applicable . (B ) I f th e emission s uni t i s a n existin g electri c



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yLanguage10/18/02 utilit ystea m

generatin g unit , befor e beginnin g actua l construction , th e owner/operato r shal l provid e a cop yo f th e informatio n se t ou t i n paragrap h(a)(5 ) (iii)(A ) t o th e reviewin g authority . Nothin g i n thi s paragrap hshal l b e - construe d t o requir e th e owne r o r operato r o f suc ha uni t t o obtai n an ydeterminatio n fro mth e reviewin g authorit ybefor e beginnin g actua l construction .

(BC ) Th e owner/operato r shal l monito r th e emission s o f an y regulate dNS Rpollutan t tha t coul dincreas e emission s a s a resul t o f the projec t andtha t ar e emitte dby any emission s unit s identifie di nparagraph(a ) (5 ) (iv ) (A ) (2. ) o f thi s section ; andcalculat e andmaintai na recor do f th e annua l emissions , i nton s pe r yea r o na calenda r yea r basis , fo r a perio do f 5 year s followin goperatio no f th e change ; or , fo r a perio do f 1 0 year s followin goperatio no f the change , i f the projec t increase s the designcapacit y o f o r potentia l t o emi t o f tha t regulate dNS Rpollutan t a t suc h emission s unit . (D ) I f th e uni t i s a n existin g electri c utilit ystea m generatin g unit , submi t a repor t t o th e reviewin g authorit y withi n 6 0 day s o f th e en d o f eac hcalenda r yea r durin g whic h record s mus t b e maintaine d unde r paragrap h(a ) (5 ) (iii ) (C ) o f thi s sectio n settin g ou t th e unit' s annua l emission s durin g th e calenda r yea r tha t precede d submissio n o f th e report .


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Interna landDeliberativ eDraft - D ono tquote , cite , copy , o rdistribute .

51.16 5 Amendator yLanguag e10/18/0 2 (€E ) I f th e uni t i s a n existin g uni t othe r tha n a n electri c utilit ystea mgeneratin g unit , submi t a repor t t o th e reviewin g authorit yi f th e annua l emissions , i n ton s pe r year , fro m

th e projec t identifie d i n paragrap h(a)(5)(iv)(A ) CHANG E CIT E o f thi s section , excee d th e baselin e actua l emission s (a s documente d an d maintaine d pursuan t t o paragrap h(a)(5)(iv)(A ) o f thi s section ) b ya significan t amoun t (a s define d i n paragrap h(a)(1)(x ) o f thi s section ) fo r tha t regulate d NS Rpollutant , an d i f suc hemission s diffe r fro mth e preconstructio n projectio n a s documente d an d maintaine d pursuan t t o paragrap h(a)(5)(iv ) o f thi s section . Suc hrepor t shal l b e submitte d t o th e reviewin g authorit y withi n 6 0 day s afte r th e en d o f suc hcalenda r year . Th e repor t shal l contai n th e following : (JL ) Th e name , addres s an d telephon e numbe r o f th e majo r stationar ysource ; (2. ) Th e annua l emission s a s calculate d pursuan t t o paragrap h(a)(5)(iv)(B ) o f thi s section ; an d (3. ) An yothe r informatio n tha t th e owne r o r operato r wishe s t o includ e i n th e repor t (e.g. , a n explanatio n a s t o whyth e emission s diffe r fro mth e preconstructio n projection) . (v ) Th e owne r o r operato r o f th e sourc e shal l mak e th e informatio n require d t o b e documente d an d maintaine d

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yLanguage10/18/02 pursuan t t o paragrap h(a)(5)(iv)(B ) o f thi s sectio n availabl e fo r revie w upo na reques t fo r inspectio nb y th e reviewin gauthorit y o r th e genera l publi c pursuan t t o th e requirement s containe di n§70.4(b)(3)(viii ) o f thi s chapter .
**** * (c ) Clea nUni t Tes t fo r emission s unit s tha t ar e subjec t t o LAER . Th e pla nshal l provid e a nowne r o r operato r o f a majo r stationar y sourc e th e optio no f usin g th e Clea nUni t Tes t t o determin e whethe r emission s increase s a t a Clea nUni t ar e par t o f a projec t tha t i s a majo r modificatio naccordin gt o th e provision s i nparagraph s (c)(1 ) throug h(9 ) o f thi s section . (1 ) Applicability . Th e provision s o f thi s paragrap h appl y t o an y

emission s uni t fo r whic hth e reviewin g authorit y

ha s issue da majo r NS Rpermi t withi nth e pas t 1 0 years . an d fo r whic hsuc hpermi t requires— th e uni t t o compl y wit hLAER . (2 ) Majo r modificatio nprovision s fo r Clea nUni t - Th e Clea nUni t Test . Th e provision s belo w i nparagraph s (c)(2)(i ) throug h(iv ) o f thi s sectio nappl y t o determin e whethe r a projec t a t a Clea n Uni t i s a majo r modification . emissions—increases— a-t
— a —Clea n Unit—(designate d under—thi s paragraph—(-oH—ar e par t o f a constructio n project—that—i s a
ma j o r modification . appl yt o determin e whethe r a



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yLanguage10/18/02 constructio n projec t tha t increase s emission s a t a Clea n Uni t is,—o r i s par t of,— a majo r modification . An y projec t fo r whic hthe owne r o r operato r begin s actua l constructio n afte r the effectiv e dat e o f th e Clea nUni t statu s (as determine di naccordanc e wit hparagraph(c)(4 ) o f thi s section ) an

dbefor e the expiratio ndat e (as determine di n accordanc e wit hparagraph(c)(5 ) o f thi s section ) wil l b e considere dt o have occurre dwhil e th e emission s uni t wa s a Clea nUnit . (i ) Th e definitiono f majo r modificatio na t paragraph(a)(1)(v ) o f thi s sectio ndoe s no t appl y t o Clea n Units . (ii ) I f a projec t a t a Clea n Uni t woul d no t caus e th e nee d fo r a . chang e i n th e emission s limitation s o r wor k practic e requirement s i n th e permi t fo r th e uni t adopte d i n conjunctio n wit hLAE Rand woul d no t alte r anyphysical , o r operationa l characteristic s tha t forme d th e basi s fo r th e LAE Rdetermination , th e emission s uni t remain s a Clea n Unit , an d th e projec t i s no t a majo r modification . (iii ) I f a projec t woul d cause , th e nee d fo r a chang e i n th e emission s limitation s o r wor k practic e requirement s i n th e permi t fo r th e uni t adopte d i n conjunctio n wit hLAE R o r woul d alte r anyphysica l o r operationa l characteristic s tha t forme d th e basi s fo r th e LAE Rdetermination , then ,

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yLanguage10/18/02 afte r th e owne r o r operato r applie s fo r th e necessar ypermi t revisions , th e emission s uni t lose s it s statu s a s a Clea n Unit . I f th e owne r o r operato r begin s actua l constructio n o n th e projec t withou t firs t applyin g t o revis e hi s o r he r permit , th e Clea n Uni t statu s end s whe n actua l constructio n begins . (iv ) Aprojec t tha t woul d caus e a n emission s uni t t o los e it s statu s a s a Clea n Uni t i s subjec t t o th e definitio n o f majo r modificatio n a t paragrap h(a)(1)(v ) o f thi s sectio n an d th e applicabilit yrequirement s o f paragrap h(a)(2)(vi ) o f thi s sectio n a s i f th e emission s uni t wer e neve r a Clea n Unit . (ii)—A t a Clea n Unit,— a majo r modificatio n mean s any constructio n projec t tha t affect s emission s a t a Clea n Unit , meet s bot hth e criteri a of—th e two-ste p evaluatio n proces s below . (A T Woul d th e projec t caus e th e emission s unit—t o excee d th e emissio n limit(s)—containe d i n it s permi t issue d under—the—coaventional—requiremen t s—of—the—m a j or—NS Rprogra m fo r on e o r mor e pollutant s fo r whic hth e unit—i s a Clea n Unit,—ot—otherwise—cause—th e unit—t o fail—t o maintair i C 1 ea n Unit—sta ( us—as—describe d below—i n paragraph—(c ) (7)—of—thi s section ? I f not,—th e chang e doe s not—constitut e a majo r modification.—an d n o actio n i s required . rf—so-;—g o o n t o



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yLanguage10/18/02 paragraph—(c ) (2 ) (ii ) (D)—below . (-B- ) Woul d th e project—result—i n a significan t ne t emission s increase—[a s define d i n paragraphs—(a ) (1 ) (vi)—and -be)—o f thi s section]—o f on e o r mor e o f th e Clea n Uni t pollutants ? I f so,—th e chang e constitute s a majo r modificatio n an d i s subject—t o revie wan d permittin g unde r th e conventional—requirement s of—th e applicabl e major—N3 R program . I f not,—th e emission s uni t ma ynot—increas e emission s unles s th e owne r o r operato r obtain s a permi t unde r a SIP"approve d permittin g progra mtha t allow s th e emission s unit—t o increas e emission s beyon d th e existin g majo r NS Rpermitte d levels . (iii ) Fo r purpose s o f determinin g whether—ther e wil l b e a significan t ne t emission s increas e fro mth e projec t a s require d unde r paragraph—(c ) (2 ) (ii ) (B)—above,—th e amoun t o f emissions—increase—fro mth e Clea n Unit—shall—b e compute d a s follows : (-A- ) Fo r a n existin g electri c utilit ystea mgeneratin g unit,—th e increas e i s equal—t o th e differenc e betwee n th e representativ e actual—annual—emissions—(a s define d i n paragraph—(a ) (1 ) (xxxviii)—o f thi s section)—an d th e base1in e actua l emissions—(a s define d i n paragraph—(a ) (1 ) (xxxv)—of

thi s section)—for—th e uni t . (-B- ) Fo r a n existin g emission s unit—(other—tha n a n


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yLanguage10/18/02 electri c utilit ystea mgeneratin g unit ) ,—th e increas e i s equa l t o th e differenc e betwee n th e futur e annua l emission s (a s define d i n paragraph—(a ) (1 ) (xxviii)—o f thi s section)—and : th e baselin e actua l emissions—(a s define d i n paragrap h (a ) (1 ) (xxxv)—o f thi s section)—fo r th e unit . t&jFo r a ne wemission s unit,—th e increas e i s equal—t o th e differenc e betwee n th e unit' s potentia l "to emi t an d th e baselin e actua l emissions—(a s define d i n paragrap h (a ) (1 ) (xxxv)—o f thi s section)—fo r th e unit . (-rsr)—I f a constructio n projec t a t a Clea n Uni t meet s woul d caus e th e criteri a abov e i n paragraph—(c ) (2 ) (ii ) (A ) , then,—followin g suc hchange,—th e emission s uni t n o longe r qualifie s a s a Clea n Unit—(regardles s o f whether—th e projec t als o result s i n a significan t ne t emission s increase ) ,—an d th e owne r o r operato r ma yn o longe r us e th e Clea n Uni t Tes t t o determin e whethe r a projec t at—th e emission s unit—rs

aemission s unit—t o excee d th e emissio n limitation s containe d i n it s majo r modification.N3 Rpermit,—o r otherwis e caus e th e unit—to—fail—to—maintain—the—Clea n Unit—status—as—describe d belo wi n p a r a g r aph—(c ) (7)—of—thi s section,—then,—a f te r beginnin g actual—con s tru e t ion,—th e emission s unit—n o longe r qualifie s a s a Clea n Unit—(regardles s o f whether—the—projec t als o results—i n a significan t net—emissions—increase ) ,—ari d th e owne r 01—operato r ma yn o longe r us e th e Clea n Uni t Tes t



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yLanguage10/18/02 t o determin e whethe r a subsequen t projec t at—th e emission s uni t i s a majo r modification . (3 ) Qualifyin g o r Re-Qqualifvin g t o us e th e Clea n Uni t Applicabilit yTest . A n emission s uni t automaticall y qualifie s a s a Clea n Uni t whe n th e uni t meet s th e criteri a belo wi n paragraph s (c)(3)(i ) throug h(ii ) o f thi s section . After

— th e origina l Clea n Uni t statu s expire s i n accordanc e wit hparagrap h(c)(5 ) o f thi s section , suc hemission s uni t ma yre-qualif ya s a Clea n Uni t unde r eithe r paragrap h (c ) (3 ) (iii ) below , o r unde r th e Clea n Uni t provision s i n -paragrap h(d ) o f thi s section . T o re-qualif ya s a Clea n Uni t unde r paragrap h(c)(3)(iii) , th e emission s uni t mus t obtai n a ne wmajo r NS Rpermi t issue d throug hth e applicabl e nonattainmen t majo r NS Rprogra man d mee t al l th e criteri a belo wi n paragraph s (c ) (3 ) (iii ) . Clea n Uni t statu s applie s individuall yfo r eac hpollutan t emitte d b yth e emission s unit . (i ) Permittin g requirement . Th e emission s uni t mus t hav e receive d a majo r NS Rpermi t withi n th e pas t 1 0 year s an d suc hpermi t mus t requir e th e emission s uni t t o compl y wit hLAER . Th e owne r o r operato r mus t be—a-bie—t o maintai n an d b e abl e t o provid e informatio n tha t woul d demonstrat e tha t thi s permittin g requiremen t i s met . (ii ) Qualifyin g ai r pollutio n contro l measures . Ai r



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yLanguage10/18/02 pollutan t emission s fro mth e emission s uni t mus t b e reduce d throug hth e us e o f ai r pollutio n contro l technolog y[whic h include s pollutio n preventio n a s define d unde r paragrap h (a)(1)(xxvi) ] tha t meet s bot hth e followin g requirements : (A ) Th e contro l technolog yachieve s th e lowes t achievabl e emissio n rat e (LAER ) leve l o f emission s reduction s a s determine d throug hissuanc e o f a majo r NS R permi t withi n th e pas t 1 0 years . However , th e emission s uni t i s no t eligibl e fo r Clea n Uni t statu s i f th e LAE R determinatio n resulte d i n n o requiremen t t o reduc e emission s belo wth e leve l o f a standard , uncontrolled , ne wemission s uni t o f th e sam e type . (B ) Th e owne r o r operato r mad e a n investmen t t o instal l th e contro l technology . Fo r th e purpos e o f thi s determination , a n investmen t include s expense s t o researc h th e applicatio n o f a pollutio n preventio n techniqu e t o th e emission s uni t o r expense s t o appl ya pollutio n preventio n techniqu e t o a n emission s unit . (iii ) Re-qualifyin g fo r Clea n Uni t Status . Th e emission s uni t mus t obtai n a ne wmajo r NS Rpermi t tha t require s complianc e wit hth e current-da ylowes t achievabl e emissio n rat e (LAER) , an d th e emission s uni t mus t mee t th e requirement s i n paragraph s (c)(3)(i ) an d (c)(3)(ii ) above . (4 ) Effectiv e dat e o f Clea n Uni t status . Th e



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yLanguage10/18/02 effectiv e dat e o f a n emission s unit' s Clea nUni t statu s [tha t is , th e dat e o nwhic hth e owne r o r operato r maybegi n t o us e the Clea n Uni t Tes t t o determin e whethe r a projec t a t th e emission s uni t i s a majo r modification ] i s determine d according t o the applicabl e paragraph(c)(4)(i ) o r (c)(4)(ii ) below . (i ) Origina l Clea nUni t Status , an d Emission s Unit s tha t re-qualif ya s Clea nUnit s b yimplementing a ne wcontro l technologyt o mee t current-dayLAER . Th e effectiv e dat e i s th e dat e th e emission s unit' s ai r pollutio n contro l technologyi s place d int o service , o r thre e year s afte r the issuanc e dat e o f the majo r NS Rpermit , whicheve r i s earlier , bu t n o soone r than th e dat e tha t provision s fo r th e Clea n Uni t applicabilit ytes t ar e approve d b yth e Administrato r fo r incorporatio n int o the Stat e Implementatio n Pla nan d becom e effectiv e fo r the Stat e i nwhic hth e uni t i s located . (ii ) Emissio n Unit s tha t Re-qualif yfo r Clea n Uni t Statu s using an existing contro l technology . Th e effectiv e dat e i s the dat e the new , majo r NS Rpermi t i s issued . (5 ) Clea n Uni t expiration . Anemission s unit' s Clea n Uni t statu s expire s [that is , the dat e o n whic hthe owne r o r operato r mayn o longe r us e the Clean Uni t Tes t t o determin e whethe r a projec t affecting the emission s uni t is , o r i s par t of , a majo r modification ] according t o th e applicabl e

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yLanguage10/18/02 paragrap h(c)(5)(i ) o r (ii ) below . (i ) Origina l Clea n Uni t Status , an d Emissio n Unit s tha t re-qualif yb yimplementin g ne wcontro l technolog yt o meetin g curren t da yLAER . Fo r an yemission s uni t tha t automaticall yqualifie s a s a Clea n Uni t unde r paragraph s (c)(3)(i ) throug h(iii ) o f thi s section , th e Clea n Uni t statu s expire s 1 0 year s afte r th e effectiv e date , o r th e dat e th e equipmen t wen t into.service , whicheve r i s earlier ; or , i t expire s a t an ytim e th e owne r an d operato r fail s t o compl ywit hth e provision s fo r maintainin g Clea n Uni t statu s i n paragrap h(c)(7 ) o f thi s section . (ii ) Emissio n Unit s tha t Re-qualif yfo r Clea n Uni t Statu s usin g a n existin g contro l technology . Fo r an y emission s uni t tha t re-qualifie s a s a Clea n Uni t unde r paragraph s (c)(3)(iv ) o f thi s section , th e Clea n Uni t statu s expire s 1 0 year s afte r th e effectiv e date ; or , i t expire s anytim e th e owne r o r operato r fail s t o compl ywit hth e provision s fo r maintainin g th e Clea n Uni t Statu s i n paragrap h(c)(7 ) o f thi s section . (6 ) Require d titl e V permi t conten t fo r a Clea n Unit . Afte r th e effectiv e dat e o f th e Clea n Uni t status , an d i n accordanc e wit hth e provision s o f th e applicabl e Titl e V permi t progra m

unde r Par t 7 0 o r Par t 7 1 o f thi s chapter , bu t
n o late r tha n whe n th e Titl e V permi t i s renewed , th e Titl e

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yLanguage10/18/02 V permi t fo r th e majo r stationar ysourc e mus t includ e th e followin g term s an d condition s relate d t o th e Clea n Unit : (i ) Astatemen t indicatin g tha t th e emission s uni t qualifie s a s a Clea n Uni t an d identifyin g th e pollutant(s ) fo r whic hthi s designatio n applies ; (ii ) Th e effectiv e dat e o f Clea n Uni t status . I f thi s dat e i s no t know n whe n th e Clea n Uni t statu s i s initiall y recorde d i n th e Titl e V permi t (e.g. , becaus e th e ai r pollutio n contro l technolog yi s no t ye t i n service) , th e permi t mus t describ e th e even t tha t wil l determin e th e effectiv e dat e (e.g. , th e dat e th e contro l technolog yi s place d int o service) . Onc e th e effectiv e dat e i s determined , th e owne r o r operato r mus t notif yth e reviewin g authorit yo f th e exac t date . Thi s specifi c effectiv e dat e mus t b e adde d t o th e source' s titl e V permi t a t th e firs t opportunity , suc ha s a modification , revision , reopening , o r renewa l o f th e titl e V permi t fo r an yreason , whicheve r come s first , bu t i n n o cas e late r tha n th e nex t renewal ; (iii ) Th e expiratio n dat e o f th e Clea n Uni t designation . I f thi s dat e i s no t know n whe n th e Clea n Uni t statu s i s initiall yrecorde d int o th e Titl e V permi t (e.g. , becaus e th e ai r pollutio n contro l technolog yi s no t ye t i n service) , the n th e permi t mus t describ e th e even t tha t wil l determin e th e expiratio n dat e (e.g. , th e dat e th e contro l



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yLanguage10/18/02 technolog yi s place d int o service) . Onc e th e expiratio n dat e i s determined , th e owne r o r operato r mus t notif yth e reviewin g authorit yo f th e exac t date . Th e expiratio n dat e mus t b e adde d t o th e source' s titl e V permi t a t th e firs t opportunity , suc ha s a modification , revision , reopening , o r renewa l o f th e titl e V permi t fo r an yreason , whicheve r come s first , bu t i n n o cas e late r tha n th e nex t renewal ; (iv ) Al l emissio n limitation s an d wor k practic e requirement s adopte d i n conjunctio n wit hth e lowes t achievabl e emission s rat e (LAER) , an d an yphysica l o r operationa l characteristic s upo n whic hth e reviewin g authorit yrelie d i n makin g forme d th e basi s fo r th e LAE R determinatio n (e.g. , possibl yth e emissio n unit' s capacit y o r throughput) ; an d (v ) Monitoring , recordkeeping , an d reportin g requirement s a s necessar yt o demonstrat e tha t th e emission s uni t continue s t o t o mee t th e criteri a fo r maintainin g Clea n Uni t status . [Se e paragrap h(c)(7 ) o f thi s section , below] . (vi ) Term s reflectin g th e owne r o r operator' s dutie s t o maintai n th e Clea n Uni t designatio n an d th e consequence s o f failin g t o d o so , a s presente d belo wi n paragrap h(c)(7 ) o f thi s section . (7 ) Maintainin g Clea n Uni t status . T o maintai n Clea n Uni t status , th e owne r o r operato r mus t confor mt o al l th e



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yLanguage10/18/02 restriction s liste d belo wi n paragraph s (c)(7)(i ) throug h (iii ) o f thi s section . Thi s paragrap h(c)(7 ) applie s independentl yt o eac hpollutan t fo r whic hth e emission s uni t ha s Clea n Uni t status . Tha t is , failin g t o confor mt o th e restriction s fo r on e pollutan t affect s Clea n Uni t statu s onl yfo r tha t pollutant . (i ) Th e Clea n Uni t mus t compl ywit hth e emissio n limitation(s ) and/o r wor k practic e requirement s adopte d i n conjunctio n wit hth e lowes t achievabl e emissio n rat e tha t ar e recorde d i n th e majo r NS R permit , an d subsequentl y reflecte d i n th e Titl e V permit . (A ) Th e owne r o r operato r ma yno t mak e a physica l chang e i n o r chang e i n th e metho d o f operatio n o f th e Clea n Uni t tha t cause s th e emission s uni t t o functio n i n a manne r tha t i s inconsisten t wit hth e physica l o r operationa l

makin g tha t forme d th e basi s fo r th e LAE Rdeterminatio n (e.g. , possibl yemission s unit' s capacit yo r throughput) . (B ) Th e Clea n Uni t ma yno t emi t abov e a leve l tha t ha s bee n offset . (ii ) Th e Clea n Uni t mus t compl ywit han yterm s an d condition s i n th e titl e V permi t relate d t o th e unit' s Clea n Uni t status . (iii ) Th e Clea nUni t mus t continu e t o contro l



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yLanguage10/18/02 emission s usin g th e specifi c ai r pollutio n contro l technolog ytha t wa s th e basi s fo r it s Clea n Uni t status . I f th e emission s uni t o r contro l technolog yi s replaced , the n th e Clea n Uni t statu s ends . (8 ) Credi t fo r Emission—Reduction s Offset s an d Nettin g
a t Clea n Units . Emission s change s tha t occu r a t a Clea n Uni t mus t no t b e include d i n calculatin g a significan t ne t emission s increas e (tha t is , mus t no t b e use d i n a "nettin g analysis") , o r b e use d fo r generatin g offset s unles s suc h
us e occur s befor e th e effectiv e dat e o f Clea n Uni t status , o r afte r th e Clea n Uni t statu s expires ; or , unles s th e emission s uni t reduce s emission s belo wth e leve l tha t qualifie d th e uni t a s a Clea n Unit . I f th e Clea n Uni t reduce s emission s belo wth e leve l tha t qualifie d th e uni t a s
a Clea n Unit , then , th e owne r o r operato r ma ygenerat e a credi t fo r th e differenc e betwee n LAE Ran d th e emissio n unit' s baselin e actua l emission s th e leve l tha t represent s LAE Ran d th e ne wemission s limi t i f suc hreduction s ar e surplus , quantifiable , permanen t an d federall yenforceable . (9 ) Effec t o f redesignatio n o n Clea n Uni t status . Th e Clea n Uni t statu s o f a n emission s uni t i s no t affecte d b y redesignatio n o f th e attainmen t statu s o f th e are a i n whic h i t i s located . Tha t is , i f a Clea n Uni t i s locate d i n a n attainmen t are a an d th e are a i s redesignate d t o



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yLanguage10/18/0

2 nonattainment , it s Clea n Uni t statu s i s no t affected . Similarly , redesignatio n fro mnonattainmen t t o attainmen t doe s no t affec t Clea n Uni t status . However , i f a n existin g Clea n Uni t statu s expires , i t mus t re-qualif yunde r th e requirement s tha t ar e currentl yapplicabl e i n th e area . (d ) Clea n Uni t provision s fo r emission s unit s tha t achiev e a n emission s limitatio n comparabl e t o LAER . Th e pla n shal l provid e a n owne r o r operato r o f a majo r stationar ysourc e th e optio n o f usin g th e Clea n Uni t Tes t t o determin e whethe r emission s increase s a t a Clea n Uni t ar e par t o f a projec t tha t i s a majo r modificatio n accordin g t o th e provision s i n paragraph s (d)(1 ) throug h(11 ) o f thi s section . (1 ) Applicability . Th e provision s o f thi s paragrap h appl yt o emission s unit s whic hd o no t qualif ya s Clea n Unit s unde r paragrap h(c ) o f thi s section , bu t whic har e achievin g
a leve l o f emission s contro l comparabl e t o LAER , a s determine d b yth e reviewin g authorit yi n accordanc e wit h thi s paragrap h(d) . (2 ) Majo r modificatio n provision s fo r Clea n Units . Th e provision s belo wi n paragraph s (d)(2)(i ) throug h(iv ) o f thi s sectio n appl yt o determin e whethe r emission s increase s
a t a Clea n Uni t (designate d unde r thi s paragrap h(d) ) ar e par t o f a projec t tha t i s a majo r modification . An yprojec t



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yLanguage10/18/02 fo r whic hth e owne r o r operato r begin s actua l constructio n afte r the effectiv e dat e o f the Clea nUni t designatio n(as determine di naccordanc e wit hparagraph(d)(5 ) o f thi s section ) andbefor e the expirationdat e (as determine di n accordanc e wit hparagraph(d)(6 ) o f thi s section ) wil l b e considere dt o hav e occurre dwhil e the emission s uni t wa s a Clea nUnit . (i ) Th e definitio no f majo r modificatio na t paragrap h(a)(1)(v ) o f thi s sectio ndoe s no t appl y t o Clea n Units . (ii ) I f a projec t a t a Clea n Uni t woul d no t caus e th e nee d fo r a chang e i n th e emission s limitation s o r wor k practic e requirement s i n th e permi t fo r th e uni t tha t hav e bee n determine d (pursuan t t o paragrap h(d)(4 ) o f thi s section ) t o b e comparabl e t o LAER , and woul d no t alte r any physica l o r operationa l characteristic s tha t forme d th e basi s fo r determinin g tha t th e emission s unit' s contro l technolog yachieve s a leve l o f emission s contro l comparabl e t o LAER , th e emission s uni t remain s a Clea n Unit , an d th e projec t i s no t a majo r modification . (iii ) I f a projec t woul d caus e th e th e nee d fo r a chang e i n th e emission s limitati-dn s o r wor k practic e requirement s i n th e permi t fo r th e uni t tha t hav e bee n determine d (pursuan t t o paragrap h(d)(4 ) o f thi s section ) t o

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yLanguage10/18/02 b e comparabl e t o LAER , o r woul d alte r anyphysica l o r operationa l characteristic s tha t forme d th e basi s fo r determinin g tha t th e emission s unit' s contro l technolog y achieve s a leve l o f emission s contro l comparabl e t o LAER , then , afte r th e owne r o r operato r applie s fo r th e necessar y revision s t o th e permi t tha t designate d th e uni t a s a Clea n Uni t (se e paragraph s (d)(7 ) an d (8 ) o f thi s section) , th e emission s uni t lose s it s statu s a s a Clea n Unit . I f th e owne r o r operato r begin s actua l constructio n o n th e projec t withou t firs t applyin g t o revis e hi s o r he r permit , th e Clea n Uni t statu s end s whe n actua l constructio n begins . (iv ) Aprojec t tha t woul d caus e a n emission s uni t t o los e it s statu s a s a Clea n Uni t i s subjec t t o th e definitio n o f majo r modificatio n a t paragrap h(a)(1)(v ) o f thi s sectio n an d th e applicabilit yrequirement s o f paragrap h(a)(2)(vi ) o f thi s sectio n a s i f th e emission s uni t wer e neve r a Clea n Unit . (-rr ) A t a Clea n Unit,—majo r modificatio n mean s any projec t tha t affect s emission s at— a Clea n Unit,—an d tha t meet s th e criteri a of—the—two-ste p evaluatio n proces s i n paragraphs—(d ) ( 2 ) (ii ) (A)—and—(B ) . t$r) Woul d th e projec t caus e th e emission s unit—t o excee d th e emissio n limitation(s)—containe d i n it s permi t [receive d pursuant—t o requirement s i n paragraphs—(d ) (7)—and



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yLanguage10/18/02 -frH—o f thi s section,—below]—fo r on e o r mor e o f th e Clea n Uni t pollutants,—o r otherwis e caus e th e uni t t o fai l t o maintai n it s Clea n Uni t designatio n a s describe d belo wi n paragraph—(d ) (9)—o f thi s section ? I f not,—th e projec t doe s
no t constitut e a majo r modificatio n an d n o actio n i s required . I f so,—g o o n t o paragraph—(d ) (2 ) (ii ) (B)—below . (•& ) Woul d th e projec t result—i n a significan t ne t emission s increase—[a s define d i n paragraphs—(a ) (1 ) (vi)—an d -fx-)—o f thi s section]—o f on e o r mor e o f th e Clea n Uni t pollutants ? I f so,—th e projec t constitute s a major * modificatio n an d i s subjec t t o revie wan d permittin g unde r th e applicabl e majo r NS Rprogram . I f not,—th e emission s uni t ma ynot—increas e emission s unles s th e owne r o r operato r obtain s a permi t unde r a 31P"approve d permittin g progra m tha t allow s th e emission s uni t t o increas e emission s beyon d th e permitte d levels . (iii ) Fo r purpose s o f determinin g whethe r ther e i s a significan t net—emissions—increase—fro mth e project—as

required—unde r paragrapii—(d ) ( 2 ) (i i ) (B)—abov e ,—tlie—amount—crf r emissions—increase—fro mth e Clea n Unit—shal l be—compute d according—t o paragraphs—(d ) (2 ) (iii ) (A)—through—(C ) . (Ar ) Fo r a n existin g electri c utilit ystea mgeneratin g unit,—tne—increase—i s equal—to—th e differenc e betwee n th e futur e annua l emissions—(a s define d i n paragrap h

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yLanguage10/18/02 (a ) (1 ) (xxviii)—o f thi s section)—an d th e baselin e actua l emissions—(a s define d i n paragraph—(a ) (1 ) (xxxv ) (A)—o f thi s section)—fo r th e unit . (* ) Fo r a n existin g emission s unit—(other—tha n a n electri c utilit ystea mgeneratin g unit ) ,—th e increas e i s equal—t o th e differenc e betwee n th e futur e annua l emission s (a s define d i n paragraph—(a ) (1 ) (xxviii)—of—this—section)—an d th e baselin e actua l emissions—(a s define d i n paragrap h (a ) (1 ) (xxxv ) (B)—o f thi s section)—fo r th e unit .

—(-C- ) For , a ne wemission s unit,—th e increas e i s equal—t o •the differenc e betwee n th e unit' s potential—t o emi t and th e baselin e actual—emissions—(a s define d i n paragrap h (a ) (1 ) (xxxv ) (C)—of—this—section.)—for—th e uni t . (iv ) I f a projec t cause s th e Clea n Unit—t o excee d th e emissio n limitation s containe d i n it s permit—(receive d pursuan t t o th e requirement s i n paragraphs—(d ) (7)—and—(-6-)—of

thi s section ) ,—o r otherwis e cause s th e unit—t o fail—t o maintai n th e Clea n Uni t designatio n a s describe d belo wi n paragraph—(d ) (9)—o f thi s section,—then,—afte r beginnin g actual—construction,

- th e emission s uni t n o longer—qualifie s cts— a Clea n Unit—(regardles s o f whethe r th e project—als o results—i n a significant—net—emissions—increase ) ,—and th e owne r o r operato r ma yn o longe r us e th e Clea n Uni t Test—t o determine-whethe r a subsequen t projec t involvin g th e



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yLanguage10/18/02 emission s uni t i s a majo r modification . (3 ) Qualifyin g o r re-qualifyin g t o us e th e Clea n Uni t applicabilit ytest . A n emission s uni t qualifie s a s a Clea n Uni t whe n th e uni t meet s th e criteri a belo wi n paragraph s (d)(3)(i ) throug h(iii ) o f thi s section . Afte r th e origina l Clea n Uni t designatio n expire s i n accordanc e wit hparagrap h(d)(6 ) o f thi s section , suc hemission s uni t ma yre-qualif ya s a Clea n Uni t .unde r eithe r paragrap h (d)(3)(iv ) below , o r unde r th e Clea n Uni t provision s i n paragrap h(c ) o f thi s section . T o re-qualif ya s a Clea n Uni t unde r paragrap h(d)(3)(iv) , th e emission s uni t mus t obtai n a ne wpermi t issue d pursuan t t o th e requirement s i n paragraph s (d)(7 ) an d (8 ) an d mee t al l th e criteri a belo wi n paragraph s (d)(3)(iv) . Th e reviewin g authorit ywil l mak e a separat e Clea n Uni t designatio n fo r eac hpollutan t emitte d b yth e emission s uni t fo r whic hth e emission s uni t qualifie s a s a Clea n Unit . (i ) Qualifyin g ai r pollutio n contro l technologies . Ai r pollutan t emission s fro mth e emission s uni t mus t b e reduce d throug hth e us e o f a n ai r pollutio n contro l technolog ytha t meet s bot hth e followin g requirements : (A ) Th e owne r o r operato r ha s demonstrate d tha t th e emission s unit' s contro l technolog yi s comparabl e t o LAE R accordin g t o th e requirement s o f paragrap h(d)(4 ) o f thi s

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yLanguage10/18/02 section . However , th e emission s uni t i s no t eligibl e fo r a Clea n Uni t designatio n i f it s emission s ar e no t reduce d belo wth e leve l o f a standard , uncontrolle d emission s uni t o f th e sam e typ e (e.g. , i f th e LAE Rdetermination s t o whic h i t i s compare d hav e resulte d i n a determinatio n tha t n o contro l measure s ar e required) . (B ) Th e owne r o r operato r mad e a n investmen t t o instal l th e contro l technology . Fo r th e purpos e o f thi s determination , a n investmen t include s expense s t o researc h th e applicatio n o f a pollutio n preventio n techniqu e t o th e emission s uni t o r t o retoo l th e uni t t o appl ya pollutio n preventio n technique . (ii ) Impac t o f emission s fro mth e unit . Th e reviewin g authorit ymus t determin e tha t th e allowabl e emission s fro m th e emission s uni t wil l no t caus e o r contribut e t o a violatio n o f an ynationa l ambien t ai r qualit ystandar d o r PS D increment , o r adversel yimpac t a n ai r qualit yrelate d valu e (suc ha s visibility ) tha t ha s bee n identifie d fo r a Federa l Clas s I are a b ya Federa l Lan d Manage r an d fo r whic h informatio n i s availabl e t o th e genera l public . (iii ) Dat e o f installation . A n emission s uni t ma y qualif ya s a Clea n Uni t eve n i f th e contro l technology , o n whic hth e Clea n Uni t designatio n i s based , wa s installe d befor e th e effectiv e dat e o f pla n requirement s t o implemen t



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yLanguage10/18/02 th e requirement s o f thi s paragraph . However , fo r suc h emission s units , th e owner/operato r mus t appl yfo r Clea n Uni t statu s withi n 2 year s afte r th e pla n requirement s becom e effective . Fo r technologie s installe d afte r th e pla n requirement s becom e effective , th e owner/operato r mus t appl y fo r th e Clea n Uni t designatio n a t th e tim e th e contro l technolog yi s installed . (iv ) Re-qualifyin ga s a Clea nUnit . Th e emission s uni t mus t obtaina new permi t (pursuan t t o requirement s i n paragraph s (d)(7 ) and(8 ) o f thi s section ) tha t demonstrate s tha t th e emission s unit' s contro l technology i s achievin ga leve l o f emissio ncontro l comparabl e t o current-da y LAER , andthe emission s uni t mus t mee t the requirement s i n paragraph s (d)(3)(i)(A ) and(d)(3)(ii ) above . (4 ) Demonstratin gcontro l effectivenes s comparabl e t o LAER . Th e owne r o r operato r ma y demonstrat e tha t the emission s unit' s contro l technology i s comparabl e t o LAE R fo r purpose s o f paragraph(d)(3)(i ) o f thi s sectio n accordin gt o eithe r paragraph(d)(4)(i ) o r (ii ) below . Paragraph(d)(4)(iii ) specifie s the time fo r makin gthi s comparison . ( i ) Compariso nt o previou s LAERdeterminations . Th e Administrato r maintain s a non-lin e dat a bas e o f previou s determination s o f reasonabl y availabl e contro l technology



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yLanguage10/18/02 (RACT) , bes t availabl e contro l technology (BACT) , andLAE R i nthe RACT/BACT/LAE RClearinghous e (RBLC) . Th e emission unit' s contro l technology i s presume dt o b e comparabl e t o LAERi f i t achieve s a nemission s limitatio ntha t i s a t leas t a s stringen t a s an y on e o f th e five best-performin gsimila r source s fo r whic ha LAE Rdetermination s ha s bee nmad e withi n the precedin g5 years , an dfo r whic hinformatio nha s bee n entere dint o th e RBLC . Th e reviewin gauthorit y ma y shal l als o compar e thi s presumptio nt o an y additiona l LAE R determination s o f whic hi t i s aware , andshal l conside r any informatio no nachieved-in-practic e pollutio ncontro l technologie s provide dduringth e publi c commen t period , t o determin e whethe r an y presumptiv e determinationtha t the contro l technology i s comparabl e t o LAE Ri s correct . (ii ) Th e substantially-as-effectiv e test . I f a nowne r o r operato r ca n no t demonstrat e tha t th e emissio n unit' s ai r pollutio n contro l technolog yi s comparabl e t o LAE Rusin g th e procedure s abov e i n paragraph—(d ) (4 ) (i)—o f thi s section—(fo r instanc e i f eac hLAE Rdeterminatio n i s give n i n term s o f a percen t reductio n efficienc yan d th e facilit yha s demonstrate d a n equivalent—leve l o f control—throug h pollutio n prevention,—o r becaus e th e dat a i n th e RDL C ar e inadequat e t o determin e whethe r th e contro l measure s ar e comparabl e t o LAER ) ,—the n Th e owne r o r operato r ma y

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yLanguage10/18/02 demonstrat e tha t th e emissio nunit' s contro l technolog yi s substantiall ya s effectiv e a s LAER . I n addition , an yothe r perso n maypresen t evidenc e relate d t o whethe r the contro l technologyi s substantiall ya s effectiv e a s LAE Rduring th e publi c participatio n proces s require d belo wunde r paragrap h (d)(7 ) o f thi s section . Th e reviewing authorit yshal l conside r suc hevidenc e o na case-by-cas e basi s an d determin e whethe r th e emission s unit' s ai r pollutio n contro l technologyi s substantiall ya s effectiv e a s LAER . (iii ) Time o f Compariso n (A ) Emission s unit s wit hcontro l technologie s tha t ar e installe d befor e th e effectiv e dat e o f pla n requirement s implementing thi s paragraph . Th e owne r o r operato r o f a n emission s uni t whos e contro l technologyi s installe d befor e th e effectiv e dat e o f pla n requirement s implementing thi s paragrap h(d ) may , a t it s option , eithe r demonstrat e tha t th e emissio n limitatio n achieve d b yth e emission s unit' s contro l technologyi s comparabl e t o th e LAE Rrequirement s tha t applie d a t th e time the contro l technologywa s installed , o r demonstrat e tha t the emissio n limitatio n achieve d b

ythe emission s unit' s contro l technologyi s comparabl e t o current-dayLAE Rrequirements . Th e expiratio n dat e o f the Clea n Uni t designatio nwil l depend o nwhic h optio n the owne r o r operato r uses , a s specifie d i nparagraph



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yLanguage10/18/02 (d)(6 ) o f thi s section . (B ) Emission s unit s wit hcontro l technologie s tha t ar e installe d afte r th e effectiv e dat e o f pla n requirement s implementin g thi s paragraph . Th e owne r o r operato r mus t demonstrat e tha t th e emissio n limitatio n achieve d b yth e emission s unit' s contro l technolog yi s comparabl e t o current-da yLAE Rrequirements . (5 ) Effectiv e dat e o f Clea n Uni t designation . Th e effectiv e dat e o f a n emission s unit' s Clea n Uni t designatio n [tha t is , th e dat e o n whic hth e owne r o r operato r ma yus e th e Clea n Uni t Tes t t o determin e whethe r a projec t involvin g th e emission s uni t i s a majo r modification ] i s th e dat e tha t th e permi t require d b yparagrap h(d)(7 ) o f thi s sectio n i s issue d o r th e dat e tha t th e emission s unit' s ai r pollutio n contro l technolog yi s place d int o service , whicheve r i s later . (6 ) Clea n Uni t expiration . I f th e owne r o r operato r demonstrate s tha t th e emissio n limitatio n achieve d b yth e emission s unit' s contro l technolog yi s comparabl e t o th e LAE Rrequirement s tha t applie d a t th e tim e th e contro l technolog ywa s installed , the n th e Clea n Uni t designatio n expire s 1 0 year s fro mth e dat e tha t th e contro l technolog y wa s installed . Fo r al l othe r emission s units , th e Clea n Uni t designatio n expire s 1 0 year s fro mth e effectiv e dat e o f



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yLanguage10/18/02 th e Clea n Uni t designation , a s determine d accordin g t o paragrap h(d)(5 ) o f thi s section . I n addition , fo r al l emission s units , th e Clea n Uni t designatio n expire s an ytim e th e owne r o r operato r fail s t o compl ywit hth e provision s fo r maintainin g th e Clea n Uni t designatio n i n paragrap h (d)(9 ) o f thi s section . (7 ) Procedure s fo r designatin g emission s unit s a s Clea n Units . Th e reviewin g authorit yshal l designat e a n emission s uni t a Clea n Uni t onl yb yissuin g a permi t throug h
a permittin g progra mtha t ha s bee n approve d b yth e Administrato r an d tha t conform s wit hth e requirement s o f §§51.16 0 throug h51.16 4 o f thi s chapte r includin g requirement s fo r publi c notic e o f th e propose d Clea n Uni t designatio n an d opportunit yfo r publi c comment . Suc hpermi t
mus t als o mee t th e requirement s i n paragrap h(d)(8) . (8 ) Require d permi t content . Th e permi t require d b y paragrap h(d)(7 ) o f thi s sectio n shal l includ e th e followin g term s an d condition s i n paragraph s (d)(8)(i ) throug h(vi) . Suc hterm s an d condition s shal l b e incorporate d int o th e majo r stationar ysource' s Titl e V permi t i n accordanc e wit h th e provision s o f th e applicabl e Titl e V permi t progra m unde r Par t 7 0 o r Par t 7 1 o f thi s chapter , bu t n o late r tha n whe n th e Titl e V permi t i s renewed . (i ) Astatemen t indicatin g tha t th e emission s uni t



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yLanguage10/18/02 qualifie s a s a Clea n Uni t an d identifyin g th e pollutant(s ) fo r whic hthi s designatio n applies . (ii ) Th e effectiv e dat e o f th e Clea n Uni t designation . I f thi s dat e i s no t know n whe n th e reviewin g authorit y issue s th e permi t (e.g. , becaus e th e ai r pollutio n contro l technolog yi s no t ye t i n service) , the n th e permi t mus t describ e th e even t tha t wil l determin e th e effectiv e dat e (e.g. , th e dat e th e contro l technolog yi s place d int o service) . Onc e th e effectiv e dat e i s known , the n th e owne r o r operato r mus t notif yth e reviewin g authorit yo f th e exac t date . Thi s specifi c effectiv e dat e mus t b e adde d t o th e source' s titl e V

permi t a t th e firs t opportunity , suc ha s a modification , revision , reopening , o r renewa l o f th e titl e V permi t fo r an yreason , whicheve r come s first , bu t i n n o cas e late r tha n th e nex t renewal . (iii ) Th e expiratio n dat e o f th e Clea n Uni t designation . I f thi s dat e i s no t know n whe n th e reviewin g authorit yissue s th e permi t (e.g. , becaus e th e ai r pollutio n contro l technolog yi s no t ye t i n service) , the n th e permi t mus t describ e th e even t tha t wil l determin e th e expiratio n dat e (e.g. , th e dat e th e contro l technolog yi s place d int o service) . Onc e th e expiratio n dat e i s known , the n th e owne r o r operato r mus t notif yth e reviewin g authorit yo f th e exac t date . Th e expiratio n dat e mus t b e adde d t o th e source' s

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yLanguage10/18/02 titl e V permi t a t the firs t opportunity , suc ha s a modification , revision , reopening , o r renewa l o f th e titl e V permi t fo r an

yreason , whicheve r come s first , bu t i nn o cas e late r tha n the nex t renewal . (iv ) Al l emissio n limitation s an d wor k practic e requirement s adopte d i n conjunctio n wit hemissio n limitation s necessaryt o assur e tha t the contro l technology continue s t o achiev e a n emissio nlimitatio n comparabl e t o LAER , an

d an yphysica l o r operationa l characteristic s tha t forme d the basi s fo r determining tha t the emissio nunit' s contro l technologyachieve s a leve l o f emission s contro l comparabl e t o LAE R(e.g. , possibl ythe emission s unit' s capacit yo r throughput) . (v ) Monitoring , recordkeeping , an d reporting requirement s a s necessaryt o demonstrat e tha t th e emission s uni t continue s t o mee t th e criteri a fo r maintaining it s Clea n Uni t designation . [See paragraph(d)(9 ) o f thi s section , below. ] (vi ) Term s reflecting the owne r o r operator' s dutie s t o maintai n the Clea n Uni t designatio nan d the consequence s o f failing t o d o so , a s presente d belowi nparagrap h(d)(9 ) o f thi s section . (9 ) Maintaining a Clea n Uni t designation . T o maintai n Clea n Uni t status , the owne r o r operato r mus t conformt o al l

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yLanguage10/18/02 th e restriction s liste d belo wi n paragraph s (d)(9)(i ) throug h(v ) o f thi s section . Thi s paragrap h(d)(9 ) applie s independentl yt o eac hpollutan t fo r whic hth e reviewin g authorit yha s designate d th e emission s uni t a Clea n Unit . Tha t is , failin g t o confor mt o th e restriction s fo r on e pollutan t affect s th e Clea n Uni t designatio n onl yfo r tha t pollutant . (i ) Th e Clea n Uni t mus t compl ywit hth e emissio n limitation(s ) and/o r wor k practic e requirement s adopte d t o ensur e tha t th e contro l technolog ycontinue s t o achiev e emissio n contro l comparabl e t o LAER . (ii ) Th e owne r o r operato r ma yno t mak e a physica l chang e i n o r chang e i n th e metho d o f operatio n o f th e Clea n Uni t tha t cause s th e emission s uni t t o functio n i n a manne r tha t i s inconsisten t wit hth e physica l o r operationa l characteristic s tha t forme d th e basi s fo r th e determinatio n tha t th e contro l technolog yi s achievin g a leve l o f emissio n contro l tha t i s comparabl e t o LAE R(e.g. , possibl yemission s unit' s capacit yo r throughput) . (iii ) Th e Clea n Uni t ma yno t emi t abov e a leve l tha t ha s bee n offset . (iv ) Th e Clea n Uni t mus t compl ywit hanyterm s an d condition s i n th e titl e V permi t relate d t o th e unit' s Clea n Uni t status . 

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yLanguage10/18/0

2 (v ) Th e Clea n Uni t mus t continu e t o contro l emission s usin g th e specifi c ai r pollutio n contro l technolog ytha t wa s th e basi s fo r it s Clea n Uni t status . I f th e emission s uni t o r contro l technolog yi s replaced , the n th e Clea n Uni t designatio n ends . (10 ) Credi t fo r emissio n reduction s a t Clea n Units . Emission s change s tha t occu r a t a Clea n Uni t mus t no t b e include d i n calculatin g a significan t ne t emission s increas e (tha t is , mus t no t b e use d i n a "nettin g analysis") , o r b e use d fo r generatin g offset s unles s suc hus e occur s befor e th e effectiv e dat e o f pla n requirement s adopte d t o implemen t thi s paragrap h(d ) o r afte r th e Clea n Uni t designatio n expires ; or , unles s th e emission s uni t reduce s emission s belo wth e leve l tha t qualifie d th e uni t a s a Clea n Unit . I f th e Clea n Uni t reduce s emission s belo wth e leve l tha t qualifie d th e uni t a s a Clea n Unit , the n th e owne r o r operato r ma ygenerat e a credi t fo r th e differenc e betwee n LAE Ran d th e emissio n unit' s baselin e actua l emission s i f
suc hreduction s ar e surplus , quantifiable , permanen t an d federall yenforceable . (11 ) Effec t o f redesignatio n o n a Clea n Uni t designation . Th e Clea n Uni t designatio n o f a n emission s uni t i s no t affecte d byredesignatio n o f th e are a i n whic h i t i s located . Tha t is , i f a Clea n Uni t i s locate d i n a n

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yLanguage10/18/02 attainmen t are a an d th e are a i s redesignate d t o nonattainment , it s Clea n Uni t designatio n i s no t affected . Similarly , redesignatio n fro mnonattainmen t t o attainmen t doe s no t affec t th e Clea n Uni t designation . However , a Clea n Uni t mus t re-qualif ya s a Clea n Uni t accordin g t o th e requirement s tha t appl yi n th e are a a t th e tim e i t re qualifie s . (e ) PC P (PCP ) Exclusio n procedura l requirements . Th e pla n shal l provid e fo r PCP s accordin g t o th e provision s i n paragraph s (e)(1 ) throug h(6 ) o f thi s section . (1 ) Befor e a n owner/operato r begin s actua l constructio n o f a PC P (PCP) , the ymus t eithe r submi t a notic e t o th e reviewin g authorit yi f th e projec t i s liste d i n paragraph s (a)(1)(xxv)(A ) throug h(F ) o f thi s section , o r i f th e projec t i s no t liste d i n paragraph s (a)(1)(xxv)(A ) throug h(F ) o f thi s section , the n th e owne r o r operato r mus t submi t a permi t applicatio n an d obtai n approva l t o us e th e PC P exclusio n fro m th e reviewin g authorit yconsisten t wit h th e requirement s i n paragrap h(e)(5 ) below . Regardles s o f whethe r th e owne r o r operato r submit s a notic e o r a permi t application , th e projec t mus t mee t th e requirement s i n paragrap h(e)(2 ) o f thi s section , an d th e notic e o r permi t applicatio n mus t contai n th e informatio n require d i n paragrap h(e)(3 ) o f thi s section .

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yLanguag

e10/18/02 (2 ) An yprojec t tha t relie s o n th e PC P exclusio n mus t mee t th e requirement s i n paragraph s (e)(2)(i ) throug h(ii ) o f thi s section . (i ) Environmentall ybeneficia l analysis . Th e environmenta l benefi t fro mth e emissio n reduction s o f pollutant s regulate d unde r th e Ac t mus t outweig hth e environmenta l detrimen t o f emission s increase s i n pollutant s regulate d unde r th e Clea n Ai r Act . Astatemen t tha t a technolog yfro m

paragraph s (a)(1)(xxv)(A ) throug h(F ) o f thi s sectio n i s bein g use d shal l b e presume d to 1 satisf ythi s requirement . (ii ) Ai r qualit yanalysis . Th e emission s increase s fro m th e projec t wil l no t caus e o r contribut e t o a violatio n o f an ynationa l ambien t ai r qualit ystandar d o r PS D increment , o r adversel yimpac t a n ai r qualit yrelate d valu e (suc ha s visibility ) tha t ha s bee n identifie d fo r a Federa l Clas s I are a b ya Federa l Lan d Manage r an d fo r whic h informatio n i s availabl e t o th e genera l public . (3 ) Conten t o f notic e o r permi t application . I n th e notic e o r permi t applicatio n sen t t o th e reviewin g authority , th e owne r o r operato r mus t include , a t a minimum , th e informatio n liste d i n paragraph s (e)(3)(i ) throug h(v ) o f thi s section . (i ) Adescriptio n o f th e project .


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yLanguage10/18/02 (ii ) Th e potentia l emission s increase s an d decreases , o f an ypollutan t regulate d unde r th e Clea n Ai r Ac t and th e projecte d emission s increase s an d decrease s usin g th e methodolog yi n paragrap h(a)(2)(vi ) o f thi s section , tha t wil l resul t fro mth e project , an d a cop yo f th e environmentall ybeneficia l analysi s require d b yparagrap h (e)(2)(i ) o f thi s section . (iii ) Descriptio n o f monitorin g an d recordkeeping , an d al l othe r methods , t o b e use d o n a n ongoin g basi s t o demonstrat e tha t th e projec t i s environmentall ybeneficial . Method s shoul d b e sufficien t t o mee t th e requirement s i n Par t 7 0 an d Par t 71 . (iv ) Acertificatio n tha t th e projec t wil l b e designe d
an d operate d i n a manne r tha t i s consisten t wit hprope r industr yan d engineerin g practices , i n a manne r tha t i s consisten t wit hth e environmentall ybeneficia l analysi s an d ai r qualit yanalysi s require d b yparagraph s (e)(2)(i ) an d (ii ) o f thi s section , wit hinformatio n submitte d i n th e notic e o r permi t application , an d i n suc ha wa ya s t o minimize , withi n th e physica l configuratio n an d operationa l standard s usuall yassociate d wit hth e emission s contro l devic e o r strategy , emission s o f collatera l pollutants . (v ) Demonstratio n tha t th e PC P wil l no t hav e a n advers e ai r qualit yimpac t (e.g. , modeling , screenin g leve l



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yLanguage10/18/02 modelin g results , o r a statemen t tha t th e collatera l emission s increas e i s include d withi n th e parameter s use d i n th e mos t recen t modelin g exercise ) a s require d b yparagrap h (e)(2)(ii ) o f thi s section . A n ai r qualit yimpac t analysi s i s no t require d fo r an ypollutan t whic hwil l no t experienc e
a significan t emission s increas e a s a resul t o f th e project . (4 ) Notic e proces s fo r liste d projects . Fo r project s liste d i n paragraph s (a)(1)(xxv)(A ) throug h(F ) o f thi s section , th e owne r o r operato r ma ybegi n actua l constructio n
o f th e projec t immediatel yafte r notic e i s sen t t o th e reviewin g authorit y(unles s otherwis e prohibite d unde r requirement s o f th e applicabl e Stat e Implementatio n Plan) . Th e owne r o r operato r shal l respon d t o an yrequest s b yit s reviewin g authorit yfo r additiona l informatio n tha t th e reviewin g authorit ydetermine s i s necessar yt o evaluat e th e suitabilit yo f th e projec t fo r th e PC P exclusion . (5 ) Permi t proces s fo r unliste d projects . Befor e a n owne r o r operato r ma ybegi n actua l constructio n o f a PC P projec t tha t i s no t liste d i n paragraph s (a)(1)(xxv)(A ) throug h(F ) o f thi s section , th e projec t mus t b e approve d b y th e reviewin g authorit yan d recorde d i n a SIP-approve d permi t o r titl e V permi t usin g procedure s tha t ar e consisten t wit h§§51.16 0 an d 51.16 1 o f thi s chapter . Thi s include s th e requiremen t tha t th e reviewin g authorit y


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yLanguage10/18/02 provid e th e publi c wit hnotic e o f th e propose d approval , wit hacces s t o th e environmentall ybeneficia l analysi s an d th e ai r qualit yanalysis , an d provid e a t leas t a 30-da y perio d fo r th e publi c an d th e Administrato r t o submi t comments . Th e reviewin g authorit ymus t addres s al l materia l comment s receive d b yth e en d o f th e commen t perio d befor e takin g fina l actio n o n th e permit . (6 ) Operationa l requirements . Upo n installatio n o f th e PCP , th e owne r o r operato r mus t compl ywit hth e requirement s o f paragraph s (e)(6)(i ) throug h(iii ) o f thi s section . (i ) Genera l duty . Th e owne r o r operato r mus t operat e th e PC P i n a manne r consisten t wit hprope r industr yan d engineerin g practices , i n a manne r tha t i s consisten t wit h th e environmentall ybeneficia l analysi s an d ai r qualit y analysi s require d b yparagraph s (e)(2)(i ) an d (ii ) o f thi s section , wit hinformatio n submitte d i n th e notic e o r permi t applicatio n require d b yparagrap h(e)(3) , an d i n suc ha wa y a s t o minimize , withi n th e physica l configuratio n an d operationa l standard s usuall yassociate d wit hth e emission s contro l devic e o r strategy , emission s o f collatera l pollutants . (ii ) Recordkeeping . Th e owne r o r operato r mus t maintai n copie s o n sit e o f th e environmentall ybeneficia l


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yLanguage10/18/02 analysis , the ai r qualit yimpact s analysis , an d monitoring an d othe r emissio n record s t o prov e tha t the PC P operate d consisten t wit hthe genera l dut yrequirement s i nparagrap h (e ) (6 ) (i ) . (iii ) Permi t requirements . Th e owne r o r operato r mus t compl ywit han

yprovision s i n th e SIP-approve d permi t o r titl e V permi t relate d t o us e an d approva l o f th e PC P exclusion . (iv ) Generatio n o f Emissio n Reductio nCredits . Emissio n reduction s create d b ya PC P shal l no t b e include d i n calculating a significan t ne t emission s increase , o r b e use d fo r generating offsets , unles s the emission s uni t furthe r reduce s emission s afte r qualifying fo r th e PC P Exclusio n (e.g. , taking a noperationa l restrictio no nthe hour s o f operation) . Th e owne r o r operato r maygenerat e a credi t fo r th e differenc e betwee nth e leve l o f reductio n whic hwa s use d t o qualif yfo r th e PC P exclusio n and the new emission s limi t i f suc hreduction s ar e surplus , quantifiable , permanent , an d federall yenforceable . (f ) Actual s plantwid e applicabilit ylimitations . Th e pla n shal l provid e fo r PAL s according t o th e provision s i n paragraph s (f)(1 ) through(15 ) o f thi s section . (1 ) Applicability . (i ) Th e reviewing authorit ymayapprov e the us e o f a n

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yLanguage10/18/02 actual s plantwid e applicabilit ylimitatio n (PAL ) fo r an y existin g majo r stationar ysourc e (excep t a s provide d i n paragrap h(f)(1)(ii ) o f thi s section ) i f th e PA L meet s th e requirement s i n paragraph s (f)(1 ) throug h(15 ) o f thi s section . Th e ter m"PAL " shal l mea n "actual s PAL " throughou t paragrap h(f ) o f thi s section . (ii ) Th e reviewin g authorit yshal l no t allo wa n actual s PA L fo r an ymajo r stationar ysourc e locate d i n a n extrem e ozon e nonattainmen t area . (iii ) An yphysica l chang e i n o r chang e i n th e metho d o f operatio n o f a majo r stationar ysourc e tha t maintain s it s tota l sourc e wid e emission s belo wth e PA L level , meet s th e requirement s i n paragraph s (f)(1 ) throug h(15 ) o f thi s section , an d complie s wit hth e PA L permit : (A ) I s no t a majo r modificatio n fo r th e PA L pollutant ; (B ) Doe s no t hav e t o b e approve d throug hth e plan' s nonattainmen t majo r NS Rprogram ; an d (C ) I s no t subjec t t o th e provision s i n paragrap h (a)(5)(ii ) o f thi s sectio n (restriction s o n relaxin g enforceabl e emission s limitation s tha t th e majo r stationar y sourc e use d t o avoi d applicabilit yo f th e nonattainmen t majo r NS Rprogram) . (iv ) Excep t a s provide d unde r paragrap h(f ) (1 ) (iii ) (C ) o f thi s section , a majo r stationar ysourc e shal l continu e t o



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yLanguage10/18/02 compl ywit hal l applicabl e Federa l o r Stat e requirements , emission s limitations , an d wor k practic e requirement s tha t
wer e establishe d prio r t o th e effectiv e dat e o f th e PAL . (2 ) Definitions . Th e pla n shal l us e th e definition s i n paragraph s (f)(2)(i ) throug h(xi ) o f thi s sectio n fo r th e purpos e o f developin g an d implementin g regulation s tha t authoriz e th e us e o f actual s PAL s consisten t wit hparagraph s (f)(1 ) throug h(15 ) o f thi s section . Whe n a ter mi s no t define d i n thes e paragraphs , i t shal l hav e th e meanin g give n i n paragrap h(a)(1 ) o f thi s sectio n o r i n th e Act . (i ) Actual s PA L fo r a majo r stationar ysourc e mean s a PA L base d o n th e baselin e actua l emission s (a s define d i n paragrap h(a)(1)(xxxv ) o f thi s section ) o f al l emission s unit s (a s define d i n paragrap h(a)(1)(vii ) o f thi s section )
a t th e source , tha t emi t o r hav e th e potentia l t o emi t th e PA L pollutant . (ii ) Allowabl e emission s mean s "allowabl e emissions " a s define d i n paragrap h(a)(1)(xi ) o f thi s section , excep t a s thi s definitio n i s modifie d accordin g t o paragraph s (f)(2)(ii)(A ) throug h(B ) o f thi s section . (A ) Th e allowabl e emission s fo r anyemission s uni t shal l b e calculate d considerin g anyemission s limitation s tha t i s enforceabl e a s a practica l matte r o n th e emission s unit' s potentia l t o emit .


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yLanguage10/18/02 (B ) A n emission s unit' s potentia l t o emi t shal l b e determine d usin g th e definitio n i n paragrap h(a ) (1 ) (iii ) o f thi s section , excep t tha t th e word s "o r enforceabl e a s a practica l matter " shoul d b e adde d afte r "federall y enforceable. " (iii ) Smal l emission s uni t mean s a n emission s uni t tha t emit s o r ha s th e potentia l t o emi t th e PA L pollutan t i n a n amoun t les s tha n th e significan t leve l fo r tha t PA L pollutant , a s define d i n paragrap h(a)(1)(x ) o f thi s sectio n o r i n th e Clea n Ai r Act , whicheve r i s lower . (iv ) Majo r emission s uni t means : (A ) An yemission s uni t tha t emit s o r ha s th e potentia l t o emi t 10 0 ton s pe r yea r o r mor e o f th e PA L pollutan t i n a n attainmen t area ; o r (B ) An yemission s uni t tha t emit s o r ha s th e potentia l t o emi t th e PA L pollutan t i n a n amoun t tha t i s equa l t o o r greate r tha n th e majo r sourc e threshol d fo r th e PA L pollutan t a s define d b yth e Ac t fo r nonattainmen t areas . Fo r example , i n accordanc e wit hth e definitio n o f majo r stationar ysourc e i n sectio n 182(c ) o f th e Act , a n emission s uni t woul d b e a majo r emission s uni t fo r VO C i f th e emission s uni t i s locate d i n a seriou s ozon e nonattainmen t
are a an d i t emit s o r ha s th e potentia l t o emi t 5 0 o r mor e ton s o f VO C pe r year .

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yLanguage10/18/02 (v ) Plantwid e applicabilit ylimitatio n (PAL ) mean s a n emission s limitatio n expresse d i n ton s pe r year , fo r a pollutan t a t a majo r stationar ysource , tha t i s enforceabl e a s a practica l matte r an d establishe d sourc e wid e i n accordanc e wit hparagraph s (f)(1 ) t o (15 ) o f thi s section . (vi ) PA L effectiv e dat e generall ymean s th e dat e o f issuanc e o f th e PA L permit . However , th e PA L effectiv e dat e fo r a n increase d PA L i s th e dat e an yemission s uni t whic hi s par t o f th e PA L majo r modificatio n become s operationa l an d begin s t o emi t th e PA L pollutant . (vii ) PA L effectiv e perio d mean s th e perio d beginnin g wit hth e PA L effectiv e dat e an d endin g 1 0 year s later . (viii ) PA L majo r modificatio n means , notwithstandin g paragraph s (a)(1)(v ) an d (vi ) o f thi s sectio n (the definition s fo r majo r modificatio n an d ne t emission s increases) , an yphysica l chang e i n o r chang e i n th e metho d
o f operatio n o f th e PA L sourc e tha t cause s i t t o emi t th e PA L pollutan t a t a leve l equa l t o o r greate r tha n th e PAL . (ix ) PA L permi t mean s th e majo r NS Rpermit , th e mino r NS Rpermit , o r th e Stat e operatin g permi t unde r a progra m tha t i s approve d int o th e Stat e Implementatio n Plan , o r th e titl e V

permi t issue d b yth e reviewin g authorit ytha t establishe s a PA L fo r a majo r stationar ysource . (x ) PA L pollutan t mean s th e pollutan t fo r whic ha PA L



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yLanguage10/18/02 i s establishe d a t a majo r stationar ysource . (xi ) Significan t emission s uni t mean s a n emission s uni t tha t emit s o r ha s th e potentia l t o emi t a PA L pollutan t i n a n amoun t tha t i s equa l t o o r greate r tha n th e significan t leve l (a s define d i n paragrap h(a)(1)(x ) o f thi s sectio n o r i n th e Clea n Ai r Act , whicheve r i s lower ) fo r tha t PA L pollutant , bu t les s tha n th e amoun t tha t woul d qualif yth e uni t a s a majo r emission s uni t a s define d i n paragrap h(f)(2)(iv ) o f thi s section . (3 ) Permi t applicatio n requirements . A s par t o f a permi t applicatio n requestin g a PAL , th e owne r o r operato r o f a majo r stationar ysourc e shal l submi t th e followin g informatio n t o th e reviewin g authorit yfo r approval : (i ) Alis t o f al l emission s unit s a t th e sourc e designate d a s nonsignificant , significan t o r majo r base d o n thei r potentia l t o emit . I n addition , th e owne r o r operato r o f th e sourc e shal l indicat e which , i f any , Federa l o r Stat e applicabl e requirements , emission s limit s o r wor k practice s appl yt o eac hunit . (ii ) Calculation s o f th e baselin e actua l emission s (wit hsupportin g documentation) . Baselin e actua l emission s ar e t o includ e emission s associate d no t onl ywit hoperatio n o f th e unit , bu t als o emission s associate d wit hstartup , shutdow n an d malfunction .



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yLanguage10/18/02 (4 ) Genera l requirement s fo r establishin g PALs . (i ) Th e plan—ma yallow s th e reviewin g authorit yt o establis ha PA L a t a majo r stationar ysource , provide d tha t
a t a minimum , th e requirement s i n paragraph s (f)(4)(i)(A ) throug h(G ) o f thi s sectio n ar e met . (A ) Th e PA L shal l impos e a n annua l emission s limitatio n expresse d i n ton s pe r yea r tha t i s enforceabl e a s
a practica l matter , fo r th e entir e majo r stationar ysource . Fo r eac hmont hdurin g th e PA L effectiv e perio d afte r th e firs t 1 2 month s o f establishin g a PAL , th e majo r stationar y sourc e owne r o r operato r shal l sho wtha t th e su mo f th e monthl yemission s fro meac hemission s uni t unde r th e PA L fo r th e previou s 1 2 consecutiv e month s i s les s tha n th e PA L ( a 12-mont haverage , rolle d monthly) . Fo r eac hmont hdurin g th e firs t 1 1 month s fro mth e PA L effectiv e date , th e majo r stationar ysourc e owne r o r operato r shal l sho wtha t th e su m
o f th e precedin g monthl yemission s fro mth e PA L effectiv e dat e fo r eac hemission s uni t unde r th e PA L i s les s tha n th e PAL . (B ) Th e PA L shal l b e establishe d i n a PA L permi t tha t meet s th e publi c participatio n requirement s i n paragrap h (f)(5 ) o f thi s section . (C ) Th e PA L permi t shal l contai n al l th e requirement s
o f paragrap h(f)(7 ) o f thi s section .



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yLanguage10/18/02 (D ) Th e PA L shal l includ e fugitiv e emissions , t o th e exten t quantifiable , fro mal l emission s unit s tha t emi t o r hav e th e potentia l t o emi t th e PA L pollutan t a t th e majo r stationar ysource . (E ) Eac hPA L shal l regulat e emission s o f onl yon e pollutant . (F ) Eac hPA L shal l hav e a PA L effectiv e perio d o f 1 0 years . (G ) Th e owne r o r operato r o f th e majo r stationar y sourc e wit ha PA L shal l compl ywit hth e monitoring , recordkeeping , an d reportin g requirement s provide d i n paragraph s (f)(12 ) throug h(14 ) o f thi s sectio n fo r eac h emission s uni t unde r th e PA L throug hth e PA L effectiv e period . (ii ) A t n o tim e (durin g o r afte r th e PA L effectiv e period ) ar e emission s reduction s o f a PA L pollutant , whic h
occu r durin g th e PA L effectiv e period , creditabl e a s decrease s fo r purpose s o f offset s unde r paragrap h(a)(3)(ii )
o f thi s sectio n unles s th e leve l o f th e PA L i s reduce d b y th e amoun t o f suc hemission s reduction s an d suc hreduction s woul d b e creditabl e i n th e absenc e o f th e PAL . (5 ) Publi c participatio n requiremen t fo r PALs . PAL s fo r existin g majo r stationar ysource s shal l b e established , renewed , o r increase d throug ha procedur e tha t i s consisten t



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yLanguage10/18/02 wit h§§51.16 0 an d 51.16 1 o f thi s chapter . Thi s include s th e requiremen t tha t th e reviewin g authorit yprovid e th e publi c wit hnotic e o f th e propose d approva l o f a PA L permi t an d a t leas t a 30:rda

yperio d fo r submitta l o f publi c comment . Th e reviewin g authorit ymus t addres s al l materia l comment s befor e takin g fina l actio n o n th e permit . (6 ) Settin g th e 10-yea r actual s PA L level . Th e pla n shal l provid e tha t th e actual s PA L leve l fo r a majo r stationar ysourc e shal l b e establishe d a s th e sumo f th e baselin e actua l emission s (a s define d i n paragrap h (a)(1)(xxxv ) o f thi s section ) o f th e PA L pollutan t fo r eac h emission s uni t a t th e source ; plu s a n amoun t equa l t o th e applicabl e significan t leve l fo r th e PA L pollutan t unde r paragrap h(a)(1)(x ) o f thi s sectio n o r unde r th e Clea n Ai r Act , whicheve r i s lower . Th e reviewin g authorit yshal l specif ya reduce d PA L level(s ) (i n tons/yr ) i n th e PA L permi t t o becom e effectiv e o n th e futur e complianc e date(s ) o f anyapplicabl e Federa l o r Stat e regulator yrequirement(s ) tha t th e reviewin g authorit yi s awar e o f prio r t o issuanc e o f th e PA L permit . Fo r instance , i f th e sourc e owne r o r operato r wil l b e require d t o reduc e emission s fro m industria l boiler s i n hal f fro mbaselin e emission s o f 6 0 pp m NO xt o a ne wrul e limi t o f 3 0ppm , the n th e permi t shal l contai n a futur e effectiv e PA L leve l tha t i s equa l t o th e

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yLanguage10/18/02 curren t PA L leve l reduce d byhal f o f th e origina l baselin e emission s o f suc hunit(s) . (7 ) Content s o f th e PA L permit . Th e pla n shal l requir e tha t th e PA L permi t contain , a t a minimum , th e informatio n i n paragraph s (f)(7)(i ) throug h(xi ) o f thi s section . (i ) Th e PA L pollutan t an d th e applicabl e sourc e wid e emission s limitatio n i n ton s pe r year . (ii ) Th e PA L permi t effectiv e dat e an d th e expiratio n terminatio n dat e o f th e PA L (PA L effectiv e period) . (iii ) Specificatio n i n th e PA L permi t tha t i f a majo r stationar ysourc e owne r o r operato r applie s t o rene wa PA L i n accordanc e wit hparagrap h(f)(10 ) o f thi s sectio n befor e th e en d o f th e PA L effectiv e period , the n th e PA L shal l no t expir e a t th e en d o f th e PA L effectiv e period . I t shal l remai n i n effec t unti l a revise d PA L permi t i s issue d b yth e reviewin g authority . (iv ) Arequiremen t tha t emissio n calculation s fo r complianc e purpose s includ e emission s fro mstartups , shutdown s an d malfunctions . (v ) Arequiremen t that , onc e th e PA L expires , th e majo r stationar ysourc e i s subjec t t o th e requirement s o f paragrap h(f)(9)(i ) o f thi s section . (vi ) Th e emissions—equatio n (s- r calculatio n procedure s

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yLanguage10/18/02 tha t th e majo r stationar ysourc e owne r o r operato r shal l us e t o conver t th e monitorin g syste mdat a t o monthl yemission s an d annua l emission s rolle d o n a monthl ybasi s a s require d b yparagrap h(f ) (12 ) (iii ) o f thi s section . (vii ) Arequiremen t tha t th e majo r stationar ysourc e owne r o r operato r monito r al l emission s unit s i n accordanc e wit hth e approve d monitorrag—pla n an d th e provision s an d prohibition s unde r paragrap h(f)(12 ) o f thi s section . (viii ) Arequiremen t t o retai n th e record s require d unde r paragrap h(f)(13 ) o f thi s sectio n o n site . Suc h record s ma yb e retaine d i n a n electroni c format . (ix ) Arequiremen t t o submi t th e report s require d unde r paragrap h(f)(14 ) o f thi s sectio n b yth e require d deadlines . (x ) An yothe r requirement s tha t th e reviewin g authorit ydeem s necessar yt o implemen t an d enforc e th e PAL . (8 ) PA L effectiv e perio d an d reopenin g o f th e PA L permit . Th e pla n shal l requir e th e informatio n i n paragraph s (f)(8)(i ) an d (ii ) o f thi s section . (i ) PA L effectiv e period . Th e reviewin g authorit y shal l specif ya PA L effectiv e perio d o f 1 0 years . (ii ) Reopenin g o f th e PA L permit . (A ) Durin g th e PA L effectiv e period , th e pla n shal l requir e th e reviewin g authorit yt o reope n th e PA L permi t to :



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yLanguage10/18/02 (1. ) Correc t typographical/calculatio n error s mad e i n settin g th e PA L o r reflec t a mor e accurat e determinatio n o f emission s use d t o establis hth e PAL . (2. ) Reduc e th e PA L i f th e owne r o r operato r o f th e majo r stationar ysourc e create s creditabl e emission s reduction s fo r us e a s offset s unde r paragrap h(a)(3)(ii ) o f thi s section . (3. ) Revis e a PA L t o reflec t a n increas e i n th e PA L a s provide d unde r paragrap h(f)(11 ) o f thi s section . (B ) Th e pla n shal l provid e th e reviewin g authorit y discretio n t o reope n th e PA L permi t fo r th e following : (JL ) Reduc e th e PA L t o reflec t newl yapplicabl e Federa l requirement s (fo r example , NSPS ) wit hcomplianc e date s afte r th e PA L effectiv e date . (2. ) Reduc e th e PA L consisten t with , an yothe r requirement , tha t i s enforceabl e a s a practica l matter , an d tha t th e Stat e ma yimpos e o n th e majo r stationar ysourc e unde r th e SIP . (3. ) Reduc e th e PA L t o avoi d causin g o r contributin g t o
a NAAQ S o r PS D incremen t violation , o r t o a n advers e impac t
o n a n AQR V

i n a Federa l Clas s I area . (C ) Excep t fo r th e permi t reopenin g i n paragrap h (f ) (8 ) (ii ) (A ) (JL ) o f thi s sectio n fo r th e correctio n o f typographical/calculatio n error s tha t d o no t increas e th e



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yLanguage10/18/0

2 PA L level , al l othe r reopening s shal l b e carrie d ou t i n accordanc e wit hth e publi c participatio n requirement s o f paragrap h(f)(5 ) o f thi s section . (9 ) Expiratio n o f a PAL . (i ) Expiration . An yPA L whic hi s no t renewe d i n accordanc e wit hth e procedure s i n paragrap h(f)(10 ) o f thi s sectio n shal l expir e a t th e en d o f th e PA L effectiv e period , an d th e requirement s i n paragraph s (f)(9)(i)(A ) throug h(E ) o f thi s sectio n shal l apply . (A ) Eac hemission s uni t (o r eac hgrou p o f emission s units ) tha t existe d unde r th e PA L shal l compl ywit ha n allowabl e emission s limitatio n unde r a revise d permi t establishe d accordin g t o th e procedure s i n paragraph s (f ) (9 ) (i ) (A ) (1 ) throug h(2 ) . (JL ) Withi n th e tim e fram e specifie d fo r PA L renewal s i n paragrap h(f)(10)(ii ) o f thi s section , th e majo r stationar ysourc e shal l submi t a propose d allowabl e emission s limitatio n fo r eac hemission s uni t (o r eac hgrou p o f emission s units , i f suc ha distributio n i s mor e appropriat e a s decide d b yth e reviewin g authority ) b y distributin g th e PA L allowabl e emission s fo r th e majo r stationar ysourc e amon g eac ho f th e emission s unit s tha t existe d unde r th e PAL . I f th e PA L ha d no t ye t bee n adjuste d fo r a n applicabl e requiremen t tha t becam e effectiv e durin g

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yLanguage10/18/02 th e PA L effectiv e period , a s require d unde r paragrap h (f)(10)(v ) o f thi s section , suc hdistributio n shal l b e mad e
a s i f th e PA L ha d bee n adjusted . (J2 ) Th e reviewin g authorit yshal l decid e whethe r an d ho wth e PA L allowabl e emission s wil l b e distribute d an d issu e a revise d permi t incorporatin g allowabl e limit s fo r eac hemission s unit , o r eac hgrou p o f emission s units , a s th e reviewin g authorit ydetermine s i s appropriate . (B ) Eac hemission s unit(s ) shal l compl ywit hth e allowabl e emission s limitatio n o n a 12-mont hrollin g basis . Th e reviewin g authorit yma yapprov e th e us e o f monitorin g system s (sourc e testing , emission s factors , etc. ) othe r tha n CEMS , CERMS , PEM S o r CPM S t o demonstrat e complianc e wit hth e allowabl e emission s limitation . (C ) Unti l th e reviewin g authorit yissue s th e revise d permi t incorporatin g allowabl e limit s fo r eac hemission s unit , o r eac hgrou p o f emission s units , a s require d unde r paragrap h(f ) (9 ) (i ) (A ) (JL ) o f thi s section , th e sourc e shal l continu e t o compl ywit ha sourc e wide , multi-uni t emission s
ca p o n al l th e emission s units . (D ) An yphysica l chang e o r chang e i n th e metho d o f operatio n a t th e majo r stationar ysourc e wil l b e subjec t t o th e nonattainmen t majo r NS R requirement s i f suc hchang e meet s th e definitio n o f majo r modificatio n i n paragrap h

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yLanguage10/18/02 (a)(1)(v ) o f thi s sectio no r i n paragraph s (c)(2)(ii ) o r (d)(2)(ii ) fo r a Clea nUnit . (E ) Th e majo r stationarysourc e owne r o r operato r shal l continu e t o compl ywit han yStat e o r Federa l applicabl e requirement s (BACT , RACT , NSPS , etc. ) tha t may hav e applie d eithe r during th e PA L effectiv e perio d o r prio r t o th e PA

L effectiv e perio d excep t fo r thos e emission s limitation s tha t had bee n establishe d pursuan t t o paragrap h (a)(5)(ii ) o f thi s section , bu t wer e supersede d bythe PA L i n accordanc e wit hthe provision s i nparagraph (f)(1)(iii)(C ) o f thi s section . (10 ) Renewa l o f a PAL . (i ) Th e reviewing authorit yshal l followth e procedure s specifie d i nparagrap h(f)(5 ) o f thi s sectio ni n approving an

yreques t t o rene wa PA L fo r a majo r stationary source , an

d shal l provid e bot hth e propose d PA L leve l an

d a writte n rational e fo r th e propose d PA L leve l t o th e publi c fo r revie wan

d comment . During suc hpubli c review , an y perso n maypropos e a PA L leve l fo r the sourc e fo r consideratio n b

ythe reviewing authority . (ii ) Applicatio ndeadline . Th e pla nshal l requir e tha t a majo r stationarysourc e owne r o r operato r shal l submi t a timel yapplicatio n t o the reviewing authorit yt o reques t renewa l o f a PAL . Atimel yapplicatio ni s on e tha t

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yLanguage10/18/02 i s submitte d a t leas t 6 month s prio r to , bu t no t earlie r tha n 1 8 month s from , th e dat e o f permi t expiration . Thi s deadlin e fo r applicatio n submitta l i s t o ensur e tha t th e permi t wil l no t expir e befor e th e permi t i s renewed . I f th e owne r o r operato r o f a majo r stationar ysourc e submit s a complet e applicatio n t o rene wth e PA L withi n thi s tim e period , the n th e PA L shal l continu e t o b e effectiv e unti l th e revise d permi t wit hth e renewe d PA L i s issued . (iii ) Applicatio n requirements . Th e applicatio n t o rene wa PA L permi t shal l contai n th e informatio n require d i n paragraph s (f ) (10 ) (iii ) (A ) throug h(D ) below : (A ) Th e informatio n require d i n paragraph s (f)(3)(i ) throug h(iii ) o f thi s section ; (B ) Apropose d PA L level ; (C ) Th e sumo f th e potentia l t o emi t o f al l emission s unit s unde r th e PA L (wit hsupportin g documentation) ; an d (D ) An yothe r informatio n th e owne r o r operato r wishe s th e reviewin g authorit yt o conside r i n determinin g th e appropriat e leve l fo r renewin g th e PAL . (iv ) PA L adjustment . I n determinin g whethe r an d ho w t o adjus t th e PAL , th e reviewin g authorit yshal l conside r th e option s outline d i n paragraph s (f)(10)(iv)(A ) throug h (BC ) o f thi s section . However , i n n o cas e ma yanysuc h adjustmen t fai l t o compl ywit hparagrap h(f)(10)(iv)(EC ) o f



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yLanguage10/18/02 thi s section . (A ) I f th e emission s leve l calculate di n accordanc e wit hparagrap h(f)(6 ) o f thi s sectio ni s equa l t o o r greate r tha n8 0 percen t o f th e PA L level , th e reviewin g authorit y ma yrene wth e PA L a t th e sam e leve l withou t considerin g th e factor s se t fort hi n paragrap h(f)(10)(iv)(B ) o f thi s section , i s no t require dt o adjus t th e PAL;—o r (B ) I f th e emission s leve l calculate di n accordanc e wit hparagraph—(f ) (6)—o f thi s sectio ni s les s tha n0 0 percen t o f th e PA L level,—the nth e reviewin g authorit yshal l adjust—th e PA L t o eithe r a valu e equal—t o thi s emission s level,—o r t o a valu e equa l t o thi s emission s leve l minu s th e significan t leve l fo r th e PA L pollutan t plu s a n amoun t equa l t o 2 0 percen t of—th e curren t PAL,—whicheve r on e o f tiiese . value s i s greater . (-€- ) I n calculatin g th e emission s leve l i n paragraph s (f ) (10 ) (iv ) (A)—or—(B}—o f thi s sectio no r th e potential—t o emi t o f th e sourc e i n paragraph—(f ) (10 ) (iv ) (E ) (JL)—o f thi s section,—the—reviewin g authorit yma yinclude—th e allowabl e emission s of—th e ne wproject s unde r bindin g contract . (fr ) Notwithstandin g paragraphs—(f ) (10 ) (iv ) (A)—or—rB r o f thi s section,—th e Th e reviewin g authorit yma yse t atrj-trs- t th e PA L a t a t o an yleve l I f th e reviewin g authority

—tha t i t determine s tha t levei : t o b e mor e representativ e o f th e



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yLanguage10/18/02 source' s baselin e actua l emissions , o r i f the—revi-ewrri g authorit ytha t i t determine s t o b e tha t another—ir e v e 1 i s mor e appropriat e considerin g ai r qualit yneeds , advance s i n contro l technology , anticipate d economi c growt hi n th e area , desir e t o rewar d o r encourag e th e source' s voluntar y emission s reductions , o r othe r factor s a s specificall y identifie d b yth e reviewin g authorit yi n it s writte n rationale . (EC ) Notwithstandin g paragraph s (f)(10)(iv)(A ) an d throug h(DB ) o f thi s section , (1 ) I f th e potentia l t o emi t o f th e majo r stationar y sourc e i s les s tha n th e PAL , th e reviewin g authorit yshal l adjus t th e PA L t o a leve l n o greate r tha n th e potentia l t o emi t o f th e source ; an d (2. ) Th e reviewin g authorit yshal l no t approv e a renewe d PA L leve l highe r tha n th e curren t PAL , unles s th e majo r stationar ysourc e ha s complie d wit hth e provision s o f paragrap h(f)(11 ) o f thi s sectio n (increasin g a PAL) . (v ) I f th e complianc e dat e fo r a Stat e o r Federa l requiremen t tha t applie s t o th e PA L sourc e occur s durin g th e PA L effectiv e period , an d i f th e reviewin g authorit yha s no t alread yadjuste d fo r suc hrequirement , th e PA L shal l b e adjuste d a t th e tim e o f PA L permi t renewa l o r titl e V permi t renewal , whicheve r occur s first . 

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2 (11 ) Increasin g a PA L durin g th e PA L effectiv e period . (i ) Th e pla n shal l requir e tha t th e reviewin g authorit yma yincreas e a PA L emission s limitatio n onl yi f th e majo r stationar ysourc e complie s wit hth e provision s i n paragraph s (f)(11)(i)(A ) throug h(D ) o f thi s section . (A ) Th e owne r o r operato r o f th e majo r stationar y sourc e shal l submi t a complet e applicatio n t o reques t a n increas e i n th e PA L limi t fo r a PA L majo r modification . Suc happlicatio n shal l identif yth e emission s unit(s ) contributin g t o th e increas e i n emission s s o a s t o caus e th e majo r stationar ysource' s emission s t o equa l o r excee d it s PAL . (B ) A s par t o f thi s application , th e majo r stationar y sourc e owne r o r operato r shal l demonstrat e tha t th e su mo f th e baselin e actua l emission s o f th e nonsignifican t smal l emission s units , plu s th e su mo f th e baselin e actua l emission s o f th e significan t an d majo r emission s unit s assumin g applicatio n o f BAC T equivalen t controls , plu s th e
su mo f th e allowabl e emission s o f th e ne wo r modifie d emission s unit(s ) exceed s th e PAL . Th e leve l o f contro l tha t woul d resul t fro mBAC T equivalen t control s o n eac h emission s uni t shal l b e determine d b yconductin g a ne wBAC T analysi s a t th e tim e th e applicatio n i s submitted , unles s th e emission s uni t i s currentl yrequire d t o compl ywit ha


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### Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 BAC T o r LAE Rrequiremen t tha t wa s establishe d withi n th e precedin g 1 0 years . I n suc ha case , th e BAC T contro l leve l fo r tha t emission s uni t shal l b e equa l t o th e leve l o f BAC T o r LAE Rwit hwhic htha t emission s uni t mus t currentl y comply . (C ) Th e owne r o r operato r obtain s a majo r NS Rpermi t fo r al l emission s unit(s ) identifie d i n paragrap h (f)(11)(i)(A ) o f thi s section , regardles s o f th e magnitud e o f th e emission s increas e resultin g fro mthe m(tha t is , n o significan t level s apply) . Thes e emission s unit(s ) shal l compl ywit han yemission s requirement s resultin g fro mth e nonattainmen t majo r NS Rprogra mproces s (fo r example , LAER) , eve n thoug hthe yhav e als o becom e subjec t t o th e PA L o r continu e t o b e subjec t t o th e PAL . (D ) Th e PA L permi t shal l requir e tha t th e increase d PA L leve l shal l b e effectiv e o n th e da yan yemission s uni t tha t i s par t o f th e PA L majo r modificatio n become s operationa l an d begin s t o emi t th e PA L pollutant . (ii ) Th e reviewin g authorit yshal l calculat e th e ne w PA L a s th e sum

o f th e allowabl e emission s fo r eac hmodifie d o r ne wemission s unit , plu s th e sumo f th e baselin e actua l emission s o f th e significan t an d majo r emission s unit s assumin g applicatio n o f BAC T equivalen t controls , a s determine d i n accordanc e wit hparagrap h(f)(11)(i)(B) , plu s



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### Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 th e sumo f th e baselin e actua l emission s o f th e smal l emission s units . (iii ) Th e PA L permi t shal l b e revise d t o reflec t th e increase d PA L leve l pursuan t t o th e publi c notic e requirement s o f paragrap h(f)(5 ) o f thi s section . (12 ) Minimu mMonitorin g Requirement s fo r PALs . (i ) Genera l Requirements . (A ) Eac hPA L permi t mus t contain,enforceabl e requirement s fo r th e monitorin g syste mtha t accuratel y determine s plantwid e emission s o f th e PA L pollutan t i n term s o f mas s pe r uni t tim e o n a n ongoin g basis . An ymonitorin g syste mauthorize d fo r us e i n th e PA L permi t mus t b e base d o n soun d scienc e an d mee t generall yacceptabl e scientifi c procedure s fo r dat a qualit yan d manipulation . Additionally , th e informatio n generate d b ysuc hsyste mmus t mee t minimu m lega l requirement s fo r admissibilit yi n a judicia l proceedin g t o enforc e th e PA L permit . (B ) Th e PA L monitorin g syste mmus t emplo yon e o r mor e o f th e fou r genera l monitorin g approache s meetin g th e minimu m

requirement s se t fort hbelo wan d mus t b e approve d b y th e reviewin g authority . (C ) Notwithstandin g paragrap h(f)(12)(i)(B) , yo u ma y als o emplo ya n alternativ e monitorin g approac htha t meet s paragrap h(f)(12)(i)(A ) abov e i f approve d b yth e reviewin g



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e Draft - D o no

t quote , cite, copy , o r distribute . 51.16 5 Amendatory

Languag e 10/18/0 2 authorit yAdntrrrrs-t-rator . ?? ? (D ) Failur e t o us e a monitorin g syste mtha t meet s th e requirement s o f thi s sectio n render s th e PA L invalid . (ii ) Minimu m

Performanc e Requirement s fo r Approve d Monitorin g Approaches . Th e followin g ar e acceptabl e genera l monitorin g approache s whe n conducte d i n accordanc e wit hth e minimu mrequirement s i n paragraph s (f)(12)(iii ) throug h (ix ) : (A ) Mas s balanc e calculation s fo r activitie s usin g coating s o r solvents ; (B ) Continuou s Emission s Monitorin g System s (CEMS) ; (C ) Continuou s Paramete r Monitorin g System s (CPMS ) o r Predictiv e Emission s Monitorin g System s (PEMS ) wit he-BRM-S

an d ADHS,—a s needed ; an d (D ) Emissio n Factors . (iii ) Mas s Balanc e Calculations . A n owne r o r operato r usin g mas s balanc e calculation s t o monito r PA L pollutan t emission s fro mactivitie s usin g coatin g o r solvent s shal l
mee t th e followin g requirements : (A ) Provid e a demonstrate d mean s o f validatin g th e publishe d conten t o f th e PA L pollutan t tha t i s containe d i n o r create d b yal l material s use d i n o r a t th e emission s uni t ; (B ) Assum e tha t th e emission s uni t emit s al l o f th e

9 1P.9 4



### Interna lan dDeliberativeDraft- Donotquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 PA L pollutan t tha t i s containe d i n o r create d b yan yra w materia l o r fue l use d i n o r a t th e emission s unit , i f i t canno t otherwis e b e accounte d fo r i n th e process ; an d (C ) Wher e th e vendo r o f a materia l o r fuel , whic hi s use d i n o r a t th e emission s unit , publishe s a rang e o f pollutan t conten t fro msuc hmaterial , th e owne r o r operato r mus t us e th e highes t valu e o f th e rang e t o calculat e th e PA L pollutan t emission s unles s th e Reviewin g Authorit y determine s ther e i s site-specifi c dat a o r a site-specifi c monitorin g progra mt o suppor t anothe r conten t withi n th e range . (iv ) CEMS . A n owne r o r operato r usin g CEM S t o monito r PA L pollutan t emission s shal l mee t th e followin g requirements : (A ) CEM S mus t compl ywit happlicabl e Performanc e Specification s foun d i n 4 0 C—F—R

—60 , Appendi xB ; an d (B ) CEM S mus t sample , analyz e an d recor d dat a a t leas t
ever y1 5 minute s whil e th e emission s uni t i s operating . (v ) CPM S o r PEMS . A n Owne r o r Operato r usin g CPM S o r PEM S t o monito r PA L pollutan t emission s shal l mee t th e followin g requirements : (A ) Th e CPM S o r th e PEM S mus t b e base d o n curren t site-specifi c dat a demonstratin g a correlatio n betwee n th e monitore d parameter(s ) an d th e PA L pollutan t emission s



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yLanguage10/18/02
acros s th e rang e o f operatio no f th e emission s unit ; an d (B ) Eac hCPM S o r PEM S mus t sample , analyze , an drecor d dat a a t leas t ever y 1 5 minutes , o r a t anothe r interva l approve d b yth e reviewin g authority , whil e th e emission s uni t i s operating . (vi ) Emissio nFactors . A nowne r o r operato r usin g emission s factor s t o monito r PA L pollutan t emission s shal l
mee t th e followin grequirements : (A ) Al l emissio nfactor s shal l b e adjusted , i f appropriate , t o accoun t fo r th e degre e o f uncertaint y o r limitation s i nth e factors ' development ; (B ) Th e emission s uni t shal l operat e withi nth e designate drang e o f us e fo r th e emissio nfactor , i f applicable ; an d (C ) I f technicall yfeasible , th e owne r o r operato r o f
a significan t emission s uni t tha t relie s o na nemissio n facto r t o calculat e PA L pollutan t emission s shal l conduc t validatio ntestin gt o determin e a site-specifi c emissio n facto r withi n6 month s o f PA L permi t issuance , unles s th e reviewin gauthorit y determine s tha t testin g i s no t required . use . o f th e emissio n facto r preclude s th e nee d fo r suc h testing . (vii ) A

sourc e owne r o r operato r mus t recor dan d repor t maximu m

potentia l emission s withou t considerin g



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Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 enforceabl e emission s limitation s o r operationa l restriction s fo r a n emission s uni t durin g anyperio d o f tim e tha t ther e i s n o monitorin g data , unles s anothe r metho d fo r determinin g emission s durin g suc hperiod s i s specifie d i n th e PA L permit . (viii ) Notwithstandin g th e requirement s i n paragraph s (f ) (12 ) (iii ) throug h(vii) , wher e a n owne r o r operato r o f a n emission s uni t canno t demonstrat e a correlatio n betwee n th e monitore d parameter(s ) an d th e PA L pollutan t emissio n rat e a t al l operatin g point s o f th e emission s unit , th e reviewin g authorit yshall , a t th e tim e o f permi t issuance : (A ) Establis hdefaul t value(s ) fo r determinin g complianc e wit hth e PA L base d o n th e highes t potentia l emission s reasonabl yestimate d a t suc hoperatin g point(s) ;
o r (B ) Determin e tha t operatio n o f th e emission s uni t durin g operatin g condition s whe n ther e i s n o correlatio n betwee n monitore d parameter(s ) an d th e PA L pollutan t emission s i s a violatio n o f th e PAL . (ix ) Re-validation . Al l dat a use d t o establis hth e PA L pollutan t mus t b e re-validate d throug hperformanc e testin g o r othe r scientificall yvali d mean s approve d b yth e reviewin g authority . Suc htestin g mus t occu r a t leas t onc e
ever yfiv e year s afte r issuanc e o f th e PAL .

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### Interna lan dDeliberativeDraft- Dono tquote , cite , copy , ordistribute . 51.165 Amendator

yLanguage10/18/02 (13 ) Recordkeepin g Requirements . (i ) Th e PA L permi t shal l requir e a n owne r o r operato r t o retai n a cop yo f al l record s necessar yt o determin e complianc e wit han yrequiremen t o f paragrap h(f ) o f thi s sectio n an d th e PAL , includin g a determinatio n o f eac h emission s unit' s 12-mont hrollin g tota l emissions , fo r 5 year s fro mth e dat e o f suc hrecord . (ii ) Th e PA L permi t shal l requir e a n owne r o r operato r t o retai n a cop yo f records-;—includin g th e followin g records r fo r th e duratio n o f th e PA L effectiv e perio d plu s 5 years : (A ) Acop yo f th e PA L permi t applicatio n an d an y application s fo r revision s t o th e PAL ; an d (B ) Eac hannua l certificatio n o f complianc e pursuan t t o titl e V

an d th e dat a relie d o n i n certifyin g th e compliance . (14 ) Reportin g an d notificatio n requirements . Th e owne r o r operato r shal l submi t semi-annua l monitorin g report s an d promp t deviatio n report s t o th e reviewin g authorit yi n accordanc e wit hth e applicabl e titl e V operatin g permi t program . Th e report s shal l mee t th e requirement s i n paragraph s (f)(14)(i ) throug h(iii) . (i ) Semi-Annua l Report . Th e semi-annua l repor t shal l b e submitte d t o th e reviewin g authorit ywithi n 3 0 day s o f



### 9 5Interna lan dDeliberativ eDraft

- D o no t quote , cite , copy , o r

distribute
. 51.16 5 Amendatory Languag e10/18/02 th een do f

eac hreportin g period
. Thi s repor t shal lcontai n th einformatio nrequire di nparagraph s (f)(14)(i)(A ) throug h (GH ) o f thi s section
. •

(A ) Th e identificatio n o f owne r an d operato r an d th e permi t number . (B ) Tota l annua l emission s (tons/year ) base d o n a 12

- mont hrollin g tota l o f th e monthl yemission s recorde d pursuan t t o paragrap h(f)(13)(i ) o f thi s section . (C ) Th e computation s fo r th e monthl yemission s fo r eac ho f th e 1 2 month s befor e submissio n o f th e semi"annua l report—(o r fo r al l prio r month s i f th e PA L ha s no t bee n effectiv e fo r on e year ) . — {&) Al l dat a relie d upon , including , bu t no t limite d to , an yQualit yAssuranc e o r Qualit yContro l data , i n calculatin g th e monthl yan d annua l PA L pollutan t emissions . (ED ) Alis t o f an yemission s unit s modifie d o r adde d t o th e majo r stationar ysourc e durin g th e precedin g 6-mont h period . (FE ) Th e number , duration , an d caus e o f an ydeviation s o r monitorin g malfunction s (othe r tha n th e tim e associate d wit hzer o an d spa n calibratio n checks) , an d an ycorrectiv e actio n taken . (SF ) Anotificatio n o f a shutdow n o f an ymonitorin g system , whethe r th e shutdow n wa s permanen t o r temporary , th e

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yLanguage10/18/0

2 reaso n fo r th e shutdown , th e anticipate d dat e tha t th e monitorin g syste mwil l b e full yoperationa l o r replace d wit h anothe r monitorin g system , an d whethe r th e emission s uni t monitore d b yth e monitorin g syste mcontinue d t o operate , an d th e calculatio n o f th e maximu mpotentia l t o emi t o f th e pollutant , a s provide d b y(f)(12)(vii) . (HG ) Asigne d statemen t b yth e responsibl e officia l (a s define d byth e applicabl e titl e V operatin g permi t program ) certifyin g th e truth , accuracy , an d completenes s o f th e informatio n provide d i n th e report . (ii ) Deviatio n Report . Th e majo r stationar ysourc e owne r o r operato r shal l promptl ysubmi t report s o f an y deviation s o r exceedanc e o f th e PA L requirements , includin g period s wher e n o monitorin g i s available . Arepor t submitte d pursuan t t o §70.6(a ) (3 ) (iii ) (B ) o f thi s chapte r shal l satisf ythi s reportin g requirement . Th e deviatio n report s shal l b e submitte d i n accordanc e withi n th e tim e limit s prescribe d b yth e applicabl e progra mimplementin g §70.6(a ) (3 ) (iii ) (B ) o f thi s chapter.—r n n o even t sha-ri—th e source—submit—these—reports—latex—tha n on e wee k after—th e deviation(s) . Th e report s shal l contai n th e followin g information : (A ) Th e identificatio n o f owne r an d operato r an d th e permi t number ;



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### Interna lan dDeliberativeDraft- Donotquote , cite , copy, ordistribute . 51.165 Amendator

yLanguage10/18/02 (B ) Th e PA L requiremen t tha t experience d th e deviatio n o r tha t wa s exceeded ; (C ) Emission s resultin g fro mth e deviatio n o r th e exceedance ; an d (D ) Asigne d statemen t b yth e responsibl e officia l (a s define d b yth e applicabl e titl e V operatin g permi t program ) certifyin g th e truth , accuracy , an d completenes s o f th e informatio n provide d i n th e report . (iii ) Re-vValidatio n Results . Th e owne r o r operato r shal l submi t t o th e reviewin g authorit yth e result s o f an y re-validatio n tes t o r metho d withi n thre e month s afte r completio n o f suc htes t o r method . (15 ) Transitio n requirements . (i ) N o reviewin g authorit yma yissu e a PA L tha t doe s no t compl ywit hth e requirement s i n paragraph s (f)(1 ) throug h(15 ) o f thi s sectio n afte r th e Administrato r ha s approve d regulation s incorporatin g thes e requirement s int o a plan . (ii ) Th e reviewin g authorit yma ysupersed e an yPA L whic hwa s establishe d prio r t o th e dat e o f approva l o f th e pla n byth e Administrato r wit ha PA L tha t complie s wit hth e requirement s o f paragraph s (f)(1 ) throug h(15 ) o f thi s section .



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