### RULE 50 2 NEW SOURCE REVI EW

Adopted 11 -1 2-74 (Amend ed 05 -24

- 77, 06 -19

- 79, 09 -21

- 93 , 11-03 -94, 0 8 -09

- 0 1 , 12-0 9 -04 )

CO NTEN TS

100 GENERAL

101 PURPOSE

102 APPLICABILITY

110 EXEMPTION, EMERGENCY ELECTR ICAL GENE RATING EQUI PMENT

111 EXEMPTION, NOTIFICATI ON RE QUI R EMENTS

112 EXEMPTION, RELOCATE D EQUIPME N T

113 EXEMPTION, REPLACEMENT EQUIP M ENT

114 EXEMPTION, TEMPORARY SOURCE S

115 EXEMPTION, RULE COMPLIANCE

200 DEFINITIO N S

201 ACTUAL EMI SSIONS

202 ACTUAL EMI SSION REDUCTI O NS

203 ACTUAL I N TERRUPTION S OF ELECTRICAL POWER

204 ACTUAL OPERATING DAYS

205 AFFECTED POLLUTANTS

206 AMBIENT AI R QUA L ITY STANDA RDS

207 BEST AVAIL ABLE CONTROL TE CHNOLOGY (BA C T)

208 CALIFO RNIA ENVIRON M EN TAL QUALITY ACT (CEQA)

209 CARG O CA R R IERS

210 COMME NCE

211 COMPLETE APPLICATION

212 C O N S TRUCTION

213 CO NTIG UO U S PROPERT Y

214 COST-EFFE CTIVE

215 ELECTRI C A LPOWER PLANT

216 EMISSION DECREASE

217 EMISSIONS LIMITATION

218 EMISSIONS UNIT

219 FUGITIVE EMISSIONS

220 HALO GENATED HY DR O C ARBO NS

221 HAZARDOUS AIR POLLUTANT (HAP )

222 HISTORI C ACTUA LEMISSIONS

223 HISTORI C POTENTIAL E M ISSIONS

224 LAKE TAHOE AIR BASIN

225 MAJO R STATIONARY S O U RCE

226 MAJOR MO DIFICATION

227 MODIFICATI ON

228 MOUNTAIN COUNTIES AIR BASIN

229 NO NATTAIN MENT POLL UTAN T

230 PM10

231 PORTABLE EQUIPMENT

232 POTENTIAL TO EMIT

233 PRECURSOR

234 PRIORITY RESERVE BA NK

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 1 Rule s an d Regulation s235 PROPOSED EMISSIONS

236 QUARTERLY

237 QUARTERLYEMISSION LIMITATION

238 REACTIVE O R GANI C C O MPOU ND

239 RECO NST R UCTE D SO U RCE

240 RED UCE D SULF UR COM P OUN D S

241 REGULATED AIR POLLUT A NT

242 REPLACEMENT EQUIP M ENT

243 SACRAMENTO VALLEY AIR BASIN

244 STATIONARY SOURCE (SOURCE OR FACILITY)

245 TEMPORA R Y SOURCE

246 TOTAL RE D UCE D SULF UR COMPO U N D S

300 STA NDA RDS

301 BEST AVAIL ABLE CONTROL TE CHNOLOGY

302 OFFSET RE QUIREME N T S , GENERAL

303 LOCATIO N OF OFFSET S AND OFFS ET RATIOS

304 INTERPOLLUTANT OFFSETS

305 EMISSION REDU CTIO NS , SHUTD O W N S AND CU RTAILMEN T S

306 AMBIENT AI R QUA L ITY STANDA RDS

307 DENIAL, FAILURE TO MEET STANDA RDS
308 CEQA APPLICABILITY

309 DENIAL, FAILURE TO MEET CEQA

400 ADMI N ISTR ATIVE REQU IREMENTS

401 COMPLETE APPLICATION

402 AIR QUALITY MODELS

403 PRELIMINARY DECISION

404 PUBLICATION AND P U BLIC COMME NT

405 PUBLIC INS PECTION

406 AUTH ORITY TO CO NST R UCT, FINA L ACTION

407 REQUI R EME N TS, AUTHORITY TO CONSTRUCT AND PERMIT TO OPERATE

408 ISSUANCE, PERMIT TO OPERATE

409 REGULATIO N S IN FORCE GOVERN

410 CALCULATI O N OF EMIS SIONS - BACT

411 CALC ULATI O N OF EMIS SIONS - OFF SETS TRIGG E R FOR RO C, NOX AN D CO

412 CALCULATI O N OF EMIS SIONS - OF FSETS TRIGGER FOR SOX AND PM10

413 CALC ULATI O N OF EMIS SIONS - OFFSETS GENERAL

414 CALCULATI O N OF EMIS SIONS - OFF SETS REQUI R ED FO R R O C, NOX AN D CO

415 CALCULATI O N OF EMIS SIONS - OF FSETS REQUI R ED FOR S O X AND PM10

416 POWER PLA N TS

500 MONITO RIN G AN D RE C O R D S

501 RECORDKEEPING

502 RECORDKEEPING FOR SOUR CES SUBJE C T TO RULE 507

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 2 Place r Co unt y APCD100 GENERAL

101 PURPOSE : The purpo se of thi s rule i s to provide f o r th e review of ne w an d modifie d

stationa ry ai r pollution so urce s a nd to provide me ch a n ism s , in cludi ng emi s sion offsets, by

whi c h aut hori t ies to con s truct for su ch sou r ces maybe granted without inte rfering with

the attainmen tor maintena nce of ambi e n t air quality stand ard s

.

102 APPLIC ABIL I TY: This rul e sh all ap ply to all ne w sta t ionary sou r ces a nd emi ssions unit s and all m odi fication s to existing stationary sou r ce s an d emi ssions units th at, after

con s tru c tion, emit or may emit any affected p o llutant s or reg u late d pollutant s to whi c h

Rule 5 07, F E DERAL OP ERATING P E RMIT PRO G RAM, appli e s. Thi s rul e shall not apply to pre s cribe d bu rni ng of fore st, agri c ultu re or rang e lan d ; open burning in

ac cor dan ce wit h Di st ri ctReg u lat i on 3

, OPEN BURNI NG; ro ad con s tru c tion or an y non-point so urce comm o n to timbe rharve sti ng or agri c ultu ral pra c tice s. E x emption s allowed i n thi s Se ction sha ll not b e used to exem pt an y stationa ry s ource or mo d i fication,

whic h would be s u bjec t to review under U. S. Environmental Protec tion Agency (EPA) regul ation s or revie w p u rsuant to Rule 50 7, FEDERALOPERATING PERMIT

PROG RAM, from pe rmit requi rem ents. The reg u lations i n effect at the ti me any appli c ation fo r an Authorityto Const r u c t is deem ed co mplete sh all apply.

110 EXEMPTION, EMERGENCY ELEC TRICAL GENE RATI N G EQUIPMENT: Except a s otherwise re q u ired fo r so urce s su bje c t to the req u ire m ents of Title V of the Federal Cl ean Air Act as am ende d in 199 0 (42 U.S.C. Section 74 01 et seq.), and pursuant to Rule 5 07,

FEDERAL OPERATING PERMIT PROGRAM, the Air Pollution Control Officer shall
exempt an a pplication fro m the requi re ments of Sections 302, an d 303, if the emission s unit wo uld p r ovide em erg ency el ect r ical po we r or i fthe emissio n s u n it woul d provide

emergen cy water pumpi ng for flo o d con t rol o r eme r g ency fi re fig h ting a nd i s nota m ajo r

sou r ce o rmaj o r mo dificatio n , provide d th e req u iremen ts of Section s 110.1 a nd 1 10.2 are

met. Thi s e x emption sha ll not ap ply to emi ssi on s units su pplying p o we r to a servin g utility for distribution on the electri ctransmi ssi on grid nor the operation of standby power sources due to a voluntary reducti on in power by the serving utility.

110.1 Operation for maintenan ce purpo se s of internal com b ustion e ngin e s used solely

as a source o femerg e n c y electri c al po we r, not oth e rwise exe m pt, shall be limited

to 100 hou rs per ye ar, a n d su ch mainte nan ce shall b e sche dule d i n coope ratio n with the Di strict so as to h a ve no adve r se air qu ality impa ct o r sh all mitigate b y emission offsets o ron si te redu ction s so that there i s no n e t increa se in

emission s; an d

110.2 Operation fo r oth e r th an mainte nan ce pu rpo s e s shall be limi t ed to a c tua l interruptions of electri c al power by the serving utility. Oper ation shall not exceed

24 hou rs with out prio r auth o rization by the Air Pollution Co ntrol Of ficer.

111 EXEMPTION, NOTIFICATION REQUIREMENTS: Except as otherwise re quire d fo r

sou r ces subj ect to th e req u irem ents of Title V of the Fede ral Clea n Air A c t a s a m ende d i n 1990 (42 U.S.C. Section 7401 et seq.), a nd pursua n t to Rule 5 07, FEDERAL

OPERATING PERMIT P R OG RAM, th e re quireme n t s of Se ction s 4 03, 40 4, 405, a nd

406.2 relatin g to n o tificati on, pu blicatio n, and pu blic inspe c tion of Prelimin ary De cisi on s; and notificati on, publicatio n, and publi cinspe c ti on o ffinal action shall not ap ply if the appli c ation i s for a ne w or modified sta t ionary source or emi s sio n s unit whi c h does not trigge r a re q u irem ent for offsets, cal c u l ated pursu a n t to Section s 413, 41 4, or 41 5, as appli c able.

112 EXEMPTION, RELO CATED EQUIPMENT: Th e re quire ment s o fSection s 30 2 an d 3 0 3

shall not appl y to relocatio n of emissio n units solely within the District and withi n only one

air b a si n of which th e District is pa rt, an d t he relo cati on do es not result in an i n cre a se in

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 3 Rule s an d Regulation semission s. This exempti on is subje c tto the p e rfo r man c e of a n air qualityanalysi s

pursua n t to Section 3 06.

113 EXEMPTION, REPLACE M ENT EQUI PMENT: Th e re qui reme n t s of Se ction s 3 02 and

303 sh all n o t apply to re pla c eme n t e quip m ent, providi ng the repla c ement doe s not result in any emissi ons in crea se.

114 EXEMPTION, TEMPORARY SOURCE S: The re qu ireme n ts of Section s 302 and 3 0 3

shall not ap p l y to tempora ry station a ry em ission so u r ce s, emi s sio n units, a nd portabl e equipm ent which will be o perate d on a temporary ba sis. Thi s exe m ption is subj ect to the perfo rman ce of an air quali t y analysis pu rsu ant to Section 306.

115 EXEMPTION, RULE COMPLIANCE: T he re quireme nts of Sectio ns 30 2 an d 3 03 sh all not apply to modificatio n s nece s sa ry to comply with stand ard s co ntained in Re gulation 2,

PROHIBITIO NS. Thi s S e ction shall not apply to m odi fication s in produ ction rate, hou rs of operation, o r othe r chan ges or ad ditions to exi s ting e quipm e n t not n e ce ssary fo r compli an ce with standa rd s contai ned in Reg u lation 2, PROHIBITIO NS.

200 DEFINITIO N S : Unle ss ot herwise d e fin ed b e lo w, the term s u s e d i n this rul e a r e defin ed i n Rule 504, EMISSIONS RE DUCTIO N CRE D ITS; and Rule 507, FE DERAL OPERATING PE RMIT

PROGRAM.

201 ACTUAL EMISSIONS: M easure d o re s timated emi s sion s that mo st a c curately rep r e s ent

the emissio n s from a n em issi on s unit. Fugiti ve emission s a s soci a t ed with the e m issi on s unit shall b e inclu ded in th e actual emi s sion s of the e m issi on s unit.

202 A C T UA L EMISSION S R E DU CTIONS: Redu cti ons of a c tu al emission s from an

emission s uni t sele cted for on-site (intern a l) or off-site (extern a l) emi ssi on s offsets. Actual

emission re d u ction s shall be calculate d , adj u s ted and certified pursua n t to Rule 504,

EMISSION REDUCTIO N CRE DITS, or to applicable federal req u irements.

203 ACT U A L IN TERR UPTIO N S OF ELECTRI C A L POWE R: Wh en ele c trical service is interrupted byan unfore s e e able event.

204 ACT U A L OP ERATI N G D A YS: Any d a y of o peration thatre sult s in the emi s sion of an affected poll u tant from the emission s uni t.

205 AFFE CTED POLLUT A NT S: Rea c tive orga nic compou nd s (RO C ), nitro g en oxide s (NOx), sulfur oxide s (SOx ), PM10, ca rbon mon o xide (CO ) , le ad, vinyl chlori d e , sulfu r i c acid mi st, hydrog en sulfid e, total redu ced su lfu r , an d redu ce d su lfur com pou n d s, or a n y other poll u ta nt or pre c u r sor fo r whi c h an ambie n t air qualit y standard has b een establi s h ed b ythe U.S. En vironme n tal Protec tio n Ag ency or th e California Air Reso urce s Board.

206 AMBIE N T AI R QU ALITY STAN D A R D S : State and federal a m bi ent air qu ality standa rd s for the p u rpo s e of su bmittal to the U.S. Environm ent al Prote c tion Agency fo r in clu s ion i n the Californi a State Implementat ion Plan. All referen c e s in this rul e to Ambient Air Quality Standard s sh all be interp reted a s National Am bient Air Qual ity Standards.

207 BEST AVAIL ABLE CO NT ROL TE CH N O LOGY ( B A C T) :

207.1 For any emi s sion s unit the most strin g e n t of:

a. The m o st effective e m issi on cont rol d e vice, emi s sio n limit, or techniqu e, singly or i n combinatio n, whi c h ha s b e en requi re d o ru s ed for the type of equipm ent compri sin g su ch a n emi s sions unit unl ess the a p p licant

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 4 Place r Co unt y APCDdemons t rates to the satis f ac tion of th e Air Pollution Control Officer that

su ch limitatio ns req u ired o n othe r sou r ces have not been dem on strated

to be achi eva b le.

b. Any alternati v e basi cequi pment, f uel, pro c e ss, emi ssi on control device

or te chni que, sin g ly or in combi nation, determi ned to be technol ogically

feasibl e and co st-effe ctive by t he Air Pollution Co ntrol Officer.

c. For repl acem ent equi pme n tonly, the em issi on limitati on that i s b a sed on

the maximu m degree o fredu ction ac hi evable, takin g into a c count

environ menta l , energy, an d eco nomi cim pact s by ea ch cl ass or category
of source.

207.2 In makin g a BACT determination for a nonattain m ent pollutant the Air Pollution

Control Officer m a y con s i der the overa ll e ffect on other no nattain ment p o llutan t s. In some ca ses the lo we st emissi on rates may be requi red for one or mo re nonattainm e n tpollutants at the co st of n o t achi eving t he lo we st em issi on rate for

other non attainment p o llut ants. T he Ai r Pollution Control Office r sh all di scuss these con s id eration s i n th e Prelimi naryDe ci sion prepared pursu ant to Se ctio n
403.

207.3 Und e r n o ci rcumstan ce s shall BACT b e determi ned t o be le ss stri ngent than th e emission con t rol requi red by an appli c able pr ovi s io n of di stri ct, state o rfe de ral

laws or reg u l a tions unle s s the appli c an t demon strat e s to the sati sfactio n of th e Air Pollution Control Office r that su ch li mitations a r e not achi evabl e.

208 CALIF OR NI A ENVI RO NMENT A L QU ALITY ACT ( C EQ A) : Th e C a lifor n i a Environmental Quality Act, Public Reso urces Cod e , Section 21 00 0, et seq.

209 CA RG O C A RRIERS : Ca rgo carrie rs a r e train s de di cated to a sp ecific sou r ce.

210 COMME NCE : As applie d to con s tru c tion, mean s that the owner o rope ra tor ha s al l

necessa ry p e r mits or ap proval s re quire d un de r State and Fe de ral air quality co ntrol l a ws, Distri ct Rule s and Re gulati ons, a nd th o s e ai r q uality cont rol la ws and reg u latio n s whi c h

are pa rt of the California S t at e Impleme n tation Plan, and ha s:

210.1 Begun, o r ca use d to b egi n, a continu o u s pro g ra m o f on-site con s tru c tion of the

sou r ce, to be compl e ted in a rea s on able time, or;

210.2 Entered into binding a g reement s or c ontractu a l o b ligation s wh ich cann ot be

can c el ed o r modified wi thout su bsta ntial loss to the owner or op erator, to

unde rtake a prog ram of a c tual con s tru c tion of the source to b e completed wit h in

a rea s on able time.

211 COMPLETE APPLICATI O N : Compl e tene ss of an appli c atio n for an au thority to

con s tru c t a n e w or m odifi ed emissio n unit shall be evaluated o n the basi s of a list of requi re d info rmation whi c h has bee n adopted bythe Dist rictpursua n t to Article 3,

Section s 659 40 thro ugh 6 5944 of Cha p ter 4.5 ofDivision 1 of T i tle 7 of the California

Govern ment Cod e a s they exist on the date on whi c h the ap plicat ion is re ceive d and on payment of the appropri ate fee pursuant to Rule 601, PERMIT FEES.

212 C O N S TRUCTION : Me an s any physi cal ch ang e o r cha nge in t he meth od ofope ration (incl udin g fab r icatio n, e r e c tion, install a tion, de molitio n, or modifi cation of an e m issi on s unit) whi c h would re sult in a cha nge in a c tual emi ssi o n s.

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 5 Rule s an d Regulation s213 CO NTIG UO U S PROPERT Y : Two or m o re p a rcel s o fland with a comm on b o u ndary o r

sep a rate d sol e ly by a public roa d way or other pu blic ri ght-of-way.

214 COST-EFFE CTIVE: A cost pe r unit of emission s redu ction which i s lower than or equivalentto the maximu m unit co sts of the same emi ssi on re du ction th rou gh th e u s e of

Best Availabl e Cont rol Te chnolo g y, calculated in current year doll a rs, in a c cord a n ce with

methodol ogy and criteri a specifie d in gui deline s devel oped by the Distri ct.

215 ELECTRI C AL POWER P L ANT: An el ectri c al ge ne ration facility that regul arly gene rate s electri c ity so the local electri c utility ca n provide its dailyenergy requirem ents. Emerge ncy el ectri c al ge ne rating equi pm ent are not co nsid ere d ele c trical po we r p l ants.

216 EMISSION DECRE ASE: Any modificat i on that wo ul d re sult in a n emission de cre a se of

actual emi ssions. The emission d e c re ase sh all be cal c ulat ed by subtracting the

prop osed emi ssi on s from the hi sto r ic a c tual emission s.

217 EMISSIONS LIMITATION: One or a combi nation of permit co ndition s spe c ific to an

emission s uni t that re stri cts it s maxim u m emissio n s, at or bel o w th e emission s asso ciated

with the maximum de sign cap a city. An emission s lim itation shall b e :

217.1 Contai ned in the latest aut hority to co n s truct and con t ained in or e n forceabl e by the latest permit to operate for the emission unit, and;

217.2 Enforceabl e on a daily ba sis o rqua rterl ybasis p u rsu ant to Section 407.2, and;

217.3 Established p u rsuant to a p e rmitting a c tion occu rri ng after De cem b er 31, 197 6.

Emissi on lim itations sh ou ld be state d in a man n e r con s i s tentwith te sting

pro c ed ures. Emissio n limitations ma y be expressed a s enfo r cea b le de sig n

, operational, o requip m ent standard pu rsuant to Sectio n 407.3.

218 EMISSIONS UNIT: An identifiable ope ration or pi ec e of process equipm ent su ch a s a n article, ma chi ne, or othe r contriva nce whi c h control s , emits, ma y emit, or results in th e emission s of any affecte d air p o llutant, regul ated air pollutant or Haza rdo u s Air Pollutant (HAP), directl yor as fugitive emissi on s. An emissions unit shal l not include the open

burni ng of ag ricultu r al bi o m ass.

219 FUGITIVE EMISSIONS: Tho s e emi s sion s that co uld not rea s onably p a ss throug h a stack, chi m n e y, vent, or other fun c tio nallyequival ent openi ng. Fugitive hazardo us ai r pollutant emi ssi on s shall be con s ide r e d when dete r mining wh eth e r a sou r ce i s a majo r stationa ry so urce pu rsuan t to Title V of the Fede ral Clea n Air Actas am end ed in 199 0

and Rule 50 7

, FEDERAL OPERATING PERMIT PROGRAM. Th e fugitive emissi on s of a

sou r ce sh all not be con s i dere d in d e termini ng wh e t her it i s a major statio n a ry sou r ce

pursua n t to Title V, unless the sou r ce belon gs to one of the categ o rie s ofstationary

sou r ces li sted in 40 CFR 7 0 .2, "Definitions", "Major S ource" (2 ).

220 HAL OGE NA TED HYD R O C A R B O N S : F o r th e purp o ses ofthis rule, h a loge nated hydro c a r bo ns are the follo wing:

220.1 1,1,1-tri c hlo r o e thane

220.2 methylene ch loride

220.3 2,2-di chlo ro -1 ,1,1-trifluoroe thane (HCFC-123 )

220.4 2-chlo ro-1,1,1,2-tetraflu o roethan e (HCFC-124 )

220.5 trichlo r oflu oro m ethane (CF C -1 1)

220.6 dichl o ro difluo rometh ane (CFC-12)

220.7 1,1,1-tri c hlo r o

- 2,2,2- t r ifluoroethan e (CF C -1 13 )

220.8 1-chlo ro-1,1-difluoro

- 2

- chl o ro -2,2-difluo r oetha ne (CF C -1 14 )

220.9 chlo rop entafl uoro e than e (CFC-1 15)

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 6 Place r Co unt y APCD220.10 pentafluo r oet hane (HF C -1 25)

220.11 1,1,2,2-tetrafl uoro e than e (HFC-1 34)

220.12 tetrafluoroeth ane (HF C -1 3 4a)

220.13 1,1-di chlo ro -1 -fluoroetha ne (HCFC-14 1b )

220.14 1-chlo ro-1,1-difluoro e than e (HCF C-1 4 2 b )

220.15 1,1,1-trifluo r o e thane (HF C -143a )

220.16 chlo rodiflu o ro methane (HCFC-22)

220.17 trifluorom etha ne (HFC-23 )

220.18 1,1-difluo ro ethane (HF C -1 52a)

220.19 The followi ng four cla s ses of perfluo ro ca rbon com pou nds:

a. Cycli c , bran ched, or line a r, completely fluorin ated al kane s. b. Cycli c , bra n ched, or linea r, co mplet e ly fluorin ated eth e rs, with n o unsaturatio ns.

c. Cycli c , bra n ched, or lin ear, comp letely fluorin ated tert iary amine s with no un sat u ration s. d

. Su lfu r -c o n t a i n i n g p e rfluo ro c a r b on s w i th n o u n s a tur a tio n s and

with sulfu rbo nds o n ly to carbo n and flu o rine. Perfluorocarbon compoun ds will be assumed to be abs ent from a product or process unle ss a ma nufactu re r or facility operator ide n tifies the spe c ifi cindivid ual compou nd s (from th e bro ad cl asse s ofperfluo ro ca r bon comp oun ds) and t he a m ounts prese n t in the prod uct o rp r oce s s and provides a vali dated te st method which can b e u s ed to quantify the spe c ific compou nd s.

221 H A Z AR DOUS A I R POLLU T AN T (HAP) : Any ai r pollutant li ste d pu rsua nt to Se ctio n 112(b) of the Fed e ral Cl e an Air Act a s a m en ded i n 19 90 (4 2 U.S.C. Secti on 7 401 et seq.).

222 HISTORI C ACTUAL EMIS SIONS:

222.1 For ap plicatio ns for emi s si ons redu ct ion s dee med co mplete after Septembe r 2 1

, 1993, "hi s toric actu al em issi on s" are the actual emission s fo r the existin g emission s u n i t average d o v er the con s ecut ive two (2) yea rpe rio d immedi atel y

pre c edi ng th e date of a p p licatio n for emissi on re d u ction credits. If the last two

years are un repre s e n tative of normal so ur ce op eratio ns a s dete r mi ned by the Ai r Pollution Con t rol Office r, t hen a n y two con s e c utive years of the last five yea r s that represen t normal source op eratio n may be use d

.

222.2 For appli c atio ns fo r emissi ons redu ctio n s d eem ed co mplete prio r t o Septem be r 21, 199 3, "historic a c tual e m issi on s" are either a s cal c ulate d in Su bse c tion 222. 1, above, or, at the option of the appli c ant and with the approval of the Air Pollutio n Control Officer, are the a c tual emissio n s for th e exist i ng emi ssi on s unit average d

over the thre e year p e rio d immediatel y precedin g the date of appli c ation f o r emission red u ction cre d its.

222.3 If, at any tim e during the two or three year period, actual emi s si ons ex ceeded

allowed o rpe rmitted emi s sion levels, th en a c tual emi ssi on s shall be re du ced t o reflect emi s sion levels tha twould have oc curred if the unit were in compli an ce with all appli c able limitation s and rule s.

222.4 Whe r e an em issi on s unit h a s bee n in op eration for less tha n two ye ars, a sho rter averagi ng pe riod of at lea s t one yea rma y be used , provided th at the averag ing perio d is re p r esentative o fthe full operat ional hi sto ry of the emissi on s unit. If

less tha n on e year ha s passe d since the d a te ofissua n ce ofthe p e rmit t o operate then the histori ca c t ual emi ssi o n s shall be ze ro.

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 7 Rule s an d Regulation s223 HISTORI C P O TENTI A L E M ISSIONS: Emissi on s ba sed on the p o tential to e m it of the

emission s u n i tprior t o mod i fication. In d e termini ng th e potential to emit, daily e m issi on s limitations sh all be t r eate d as pa rto fan e m iss i on s un it' s de s i gn o n ly if the limit ations are

rep r e s entativ e of norm a l operation s , o rif the facility has provid ed offsets f r o m previou s permitting actions. If there are no enf orceabl e limit ing conditio n s , an emissi ons unit' s potential to emit sh all be limited to th e unit' s hi sto r ical a c tual e m issi on s. F o r a ne w emission s u n i t histori cpot ential emi ssi ons are e q ual to z e ro . F o rth e pu r pos es o fth e above dete r mination, "n ormal o perations" is d e fined a s the usual o rtypical d a ily operating of an emi s sion s unit re sultin g in a c t ual emi ssi on s which are at lea s t 8 0 % of the

spe c ific limits contain ed in the emission unit's auth o rit yto constructor permit to operate.

224 LAKE T A HO E AIR B A SIN: Establi s h ed pursu ant to Section 3 9606 of the Health & Safety Code of the State of Califo r nia and a s de scribed in Title 17, Califo r ni aCod e of Reg u lation s, Section 60 11 3 (b), the ba sin in cl ude s that portion ofPlacer Coun ty within

the drain age area n a turallytributary to Lake Ta hoe in cludi ng sai d Lake, plus th at area in the vicinity of the head of the Tru c kee Rive r d e scri bed a s fol l ows: com m en ci ng at the point comm o n to the aforemention ed drain age are a cre s tline a nd the line common to

Town shi p s 1 5 North an d 16 No rth, Mo unt Di ablo B a se an d M e ri dian (M.D.B. & M.), an d

followin g thatline in a westerly dire ction to the no rth w e s t co rn er of Section 3, Town shi p
15 No rth, Ra nge 16 E a st, (M.D.B. & M. ), then ce sou t h alon g the we st line of Section s 3

and 1 0 , To wnshi p 15 No rth, Rang e 16 East, M.D.B. & M., to the interse c tion with the

drain age cre s tline, then ce f o llowin g th e said d r aina ge area bou nda ry in a south w e s terly,

then north ea sterly directio n to and alon g t he Lake T ahoe Dam, thence followin g the sai d

drain age are a crestlin e in a north ea sterly, t hen no rthwe s te rly di rectio n to th e point of begin n ing. T h is Air Basi n is delineate d on an official map on file at the California Air

Re sou r ces B oard Hea dqu arters Office.

225 MAJO R ST A T ION ARY S O U RCE : A stationa ry so urce whic h e m its or h a s t he potential to emit: 25 tons p e r yea r(tpy) or mo re of nitroge n o x ides, 25 ton s pe r year or more o f

rea c tive o r ga nic co mpou n d s, 1 0 0 ton s per y ear o r more of ca rb on m onoxide, 100 ton s

per year o rmore of PM1 0 , 100 tons p e r year of sul f ur oxides, 1 00 tons pe r year of any regul ated p o l l utant or l e vels spe c ified by the U.S. Environme n t al Protectio n Agen cy

pursua n t to t he F ede ral Clea n Air Act of 199 0, S e ction 11 2(a ) (1). In addit i on, any physi cal cha nge o c currin g at a stationary so urce not otherwise qualifying as a majo r stationa ry so urce, whi c h woul d co nstit u te a majo r stationary sou r ce by itself make s the

s o ur ce a majo r s t a t io nary so u r c e

. F o r th e pu r p os es o f R u le 5 0 7

, F E D E R A L OPERATING PERMIT PROGRAM, a major st at ion a rysou r ce al so in clud es a n ysour c e whi c h emits or h a s a pot ential to emit 10 tpy of o ne HAP or 2 5 tpy of two or more Ha zardou s A i r Pollutants (HAPs), a s listed p u rsua n tto Section 112(b) of the Fede ral

Clea n Air Act

, or any lesser qua ntity thres hold p r om ulgated by th e U.S. Environmental

Protectio n Agency.

226 MAJO R MO DIFICATION: Modifi cation to a majo r stationary so urce whi c h re sults in a n increa se in th e potential to emit greate rthan: 25 tons per yea rof nitrogen oxid es, 25 tons

per ye ar of re active o r ga ni c comp oun ds, 100 ton s p e ryear of carb on mo noxide, 40 ton s

per yea rof sulfur oxide s , or 15 ton s pe r y ear of PM1 0 aggregate d with all other incre a ses in potential to emit over the peri od of five consecutive years bef or e the ap pli c ation for

modificatio n , and in cludin g the calen dar y ear of the most re cent ap plicatio n.

227 MODIFICATI ON: Any phy sical cha nge, cha nge in m e thod of ope ra tion (in c lu din g chan ge in fuel chara c teri stics), a d d ition to, or any ch ang e in hou rs of o peratio n, or cha nge i n prod uctio n rat e of, which:

227.1 For an e m issi ons u n it:

a. woul d ne ce ssitate a chan g e in permit co ndition s, or;

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 8 Place r Co unt y APCDb. is not sp ecifi c ally limited by a permit co n d ition, or;

c. results in a n increa se, a d e crea se, or n o cha nge in emission s wh ich a r e not subj ect to an emission s limitation.

227.2 For a station a ry so urce: i s a modificati o n of its emi s sions unit, or addition of a n y new emi s sion s unit.

227.3 The followi ng shall not be con s id ere d a modificatio n :

a. A chang e in o w ne rship.

b. Routin e main tenan ce an d repair.

c. A reco nstruct ed station a ry sou r ce or em issi on s unit that shall b e treate d

as a ne w stati onary sou r ce or emi ssi on s unit, not as a modificatio n

.

d. The additio n of a continu o u s emi ssi on monitori ng sy stem.

228 MOU N T A IN CO UNTIES AIR B A SIN: Establishe d pursua n t to Section 39 606 of the

Health & Saf e ty Code of t he State of Califor nia a n d as d e scrib ed in Title 17 , Californi a Cod e of Re g u lation s, Se ction 6 011 1 (I), t he M ountai n Countie s Ai r Ba sin incl u des all of

Place rCou n ty except that portion in clu ded in the L a ke Ta hoe Ai r Basin, defin ed by 17

CCR 601 13(b), a nd th at p o rtion in clude d in th e Sa cramento Valle y Air Ba sin, d e fined by

17 CCR 6 010 6(k).

229 NO NAT TAI N MENT POL L UTA N T : An y pollutant a s well a s an y pre c urso rs of su ch pollutant s which have b een de sign ated "n ona ttai n ment" bythe U.S. Environm ental

Protectio n Ag ency in t he F ederal Regi ster , or which has bee n de signated non attainment by the Califo r nia Air Re sour ce s Boa r d pursu ant to Section 39 607 of the Health and Safety Code.

230 PM10: P a rti c ulate matter with a n ae rodynami cdia m eter small e r than or eq ual to a

nominal 1 0 micron s as measured byan appli c abl e referen c e t e st metho d o rmethod s found in A rticle 2, Sub c ha pter 6, Title 17, Califo r nia Cod e of Re gulation s (co mmen c in g with Section 9410 0).

231 PORTABLE EQUIPMENT: Eq uipme n t that is pe rio d ically relo cat ed a nd i s n o tope rated

more th an a total of 180 days at a n y one lo catio n in the Di stri ctwithin a n y continuo us twelve (12 ) m onth peri od.

232 POTENTIAL TO EMIT: T he maximum daily physi cal and o peratio nal de sig n ca pacity to

emit an ai r p o llutant du rin g ea ch cale n dar q u a rter. Any limitation on the phy sical or operational d e sig n capa cit y , includin g e m issi on cont rol devices an d re stri ction s on ho urs of ope ration, or on th e typ e , or amo unt of ma teri al co mbuste d, stored, o r p r o c e s sed, may

be con s id ere d as part of the desi gn on ly if t he limita t ion, or the effect it would have on

emission s, is incorpo r ated into the Author ity to Constru c t as a n enforcea b l e permit

con d ition as daily emi s sion s limitati ons. Fu gitive emissio n s a s so ciated with th e emission s un it or station a ry source sh all be in clud ed in the po tential to e m it of the

emission s uni t or stationa ry source.

233 PRECURSOR: A pollutant that, when emitted into th e atmo sph e re , may un derg o eithe r a chemi c al o rp h ysical ch ang e whi c h then prod uces a n o t her polluta nt for whi c h a n ambien t air q uality st anda rd ha s been ad opte d , or who s e pre s e n ce in the atm o sp here will

contri bute to the violation of one o rmo re am bient ai r quality sta n dard s . The f o llowin g

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 9 Rule s an d Regulation spre c u r sor-seconda ry air co ntaminant rel a tionshi p s sh all be use d for the purpo ses of this

rule:

Precurso r Secondary Air Con t aminant

Rea c tive Org anic a. Photoch e mi cal oxidants (Ozo ne) Comp oun d b. Orga nic fracti on of PM10

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - Nitrog en Oxid es a. Nitrog en dioxi de

b. Nitrate fra c tio n of PM10

c. Photoch e mi cal oxidants (Ozo ne)

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Sulfur Oxide s a. Sulfur dioxide

b. Sulfates

c. The sulfate fraction of PM1 0

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

234 PRIORITY RESERVE BANK: A depo sitory for p r e s ervin g emi s sion redu ctio n credits

pursua n t to Rule 505, PRI O RITY RESE RVE.

235 PROPOSED EMISSIONS: Emission s based o n the pote n tial to emit for the ne w o r modified emi ssi on s unit.

236 QUARTE R L Y : Calen dar quarte rs begi nning in Jan u a ry, April, Jul y , and Octob e r.

237 QUARTE R LY EMISSIONS LIMITATION: One or a com b inati on of pe rmit con d ition s

spe c ific to an emissi on s u n it that restri ct s its maximu m emission s, in pound s pe r qua rter,

at or bel ow t he emi ssi on s asso ciated with the max i mum de sig n cap a city. A quarte rly

emission s lim itation must b e :

237.1 Contai ned in the latest aut hority to co n s truct and con t ained in or e n forceabl e by the latest permit to operate for the emission unit, and

237.2 Enforceabl e on a qua rterlybasi s , and

237.3 Established p u rsuant to a p e rmitting a c tion occu rri ng after De cem b er 31, 197 6.

238 REA C TIVE ORG A NIC COMPO U ND : Any compoun d co n t aining ca rb on except: methane, ca rbon m onoxi de, ca rbon dioxide, ca rboni c aci d , metallic carbide s or carbon ates, a mmonium ca rbonat e s

, and halog enated hydro c a r bo ns.

239 RECO NST R UCTE D SO UR CE: Anystationa ry source o remi ssi on s unit u ndergoin g physi cal mod i fication wh ere the fixed capita l co st of the new co mpone nts ex cee d s 5 0
percent of th e fixed capit a l cost of a co mpa r abl e entirely ne w st ationa ry so urce or emission s u n it. Fixed capital cost mean s that capital ne ed ed to provid e all the depreci able compon ents. A reco nst r u c ted so urce sh all be treate d as a ne w st ationary

sou r ce or emi ssi on s unit.

240 RED UCE D S U LF UR C O MPOU NDS : The sulfur compou nd s h y droge n sulfi de, carbon

disulfid e and carbonyl sulfide.

241 REGU LA TED AI R POL L UTA N T : A " r egulate d ai r p o llutant" is an y pollutant: 1 ) which is

emitted into or otherwi se enters th e a m bient ai r, a nd 2 ) fo r whi c h th e State or th e U.S.

Environme n tal Prote c tion Agen cy ha s adopte d an emissio n li mit, standa rd , or othe r requi rem ent. Regul ated ai r pollutant s in clud e:

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 10 Place r Co unt y APCD241.1 Oxides of nitrogen a nd vol a tile orga nic comp oun ds;

241.2 Any polluta n tfor which a national a m bient air q uality standa rd ha s been

prom ulgate d pursua n t to Section 1 09 of the Fede ral Clean Air Act;

241.3 Any pollutan tsubje c t to a ne w sou r ce pe rform a nce stan da rd promulg a ted

pursua n t to Section 1 11 of the Fede ral Clean Air Act;

241.4 Any ozo n e

- d epleting su bstance spe c ifi ed a s a Cl ass I (chl oroflu oro c a r bo ns) or Cla ss II (hyd rofluoro c a r b o n s ) sub s tan c e pursua n t to Title VI of the Fede ral Cl ea n Air Act; and

241.5 Any pollutant subje c t to a stand ard o rreq u ire m en t promulg a te d pursua n t to
Section 11 2 o fthe Federal Clea n Air Act, includi ng:

a. Any pollutant listed pursu ant to Section 112(r) of th e Fede ral Cl ean Air Act (Preve ntion of Accid e n t al Rele as es) shall be con s ide r ed a "re gulated air polluta nt" upon p r om ulg a tion of the list.

b. Any HAP subj ect to a stan dard o rother requireme nt prom ulgate d by the

U.S. Environmental Prote c tion Agen cypursuant to Section 112 (d) o r adopte d by th e Di stri ct pur suant to 11 2(g ) and (j ) of th e Fed e ral Cle an Air

Act shall be con s id ere d a "reg ulated air poll u tant " for all source s or categ o rie s o fsou r ces: 1) u pon p r omulgatio n of the stan dard o r requi rem ent, or 2 ) 1 8 m onths after t he sta nda rd or requi rem e nt wa s sched uled to be p r omul g a ted pu rsua nt to Sectio n 112 (e )(3 ) of the

Fede ral Cl ea n Air Act.

c. A n yHA P s ubje c tt o aDist rict ca se- b y

- ca se emis sion s li mit a t i on determi nation for a new or modifi ed sou r ce, prio r to the U.S.

Environme n tal Protectio n Agencypromul gati on or schedul ed

prom ulgation of an emi ssio n s limitation shall b e con s idere d a "re g u lated air p o llutant" wh en th e determi nation is made p u rsuant to Section 112(g)(2 ) of the Fede ral Clea n Air Act. In case-by-ca se emi ssi on s limitation det ermin a tion s, the HAP sha ll be co nsi d e r ed a " r eg ula t ed ai r pollutant" onl y for the individual source f o r whi c h th e emission s lim itation

determi nation was m ade.

242 REPLACEMENT EQUIP M ENT:

242.1 Functio nally Identical Re placement : The re pla c ement ofor modification of

emission u n its(s) whe r e th e repla c em en t uni t serves the identical functio n as th e unit(s) bein g repl aced, a nd the maxi mum rating and th e p o te ntial to emit any pollutant will not be gre a te r from the ne w or mo dified emissi on s u n it(s) than th e repla c e d u n it(s), whe n the emission s uni t(s) a r e o p e r ated at th e same p e rmitte d

conditions.

242.2 Identical Rep l acem ent: The total or p a rtial repl ace m ent of an emission s un it

whe r e the re placement i s the sam e a s the or igi nal u n it in all re sp ects exce pt for

seri al num ber.

243 SACRAMENTO VALLEY AIR BASI N : E s tabli s he d pu rsuant to Section 39 6 06 of th e Health & Saf e ty Code of t he State of Califor nia a n d as d e scrib ed in Title 17 , Californi a Cod e of Reg u lation s, Sect ion 60 106 (k), the ba sin in clude s that po rtion of Pla c e rCounty

whi c h lie s we st of Rang e 9 east, Mount Diabl o Base and Me ridian (M.D.B. & M.).

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 11 Rule s an d Regulation s244 STATIO NA R YSOUR CE ( S OUR C E O R FA CILITY) : Any building, structure, facility, or

emission s u n it that emits or may e m it any affected poll u tan tdirectly or as fugitive

emission s.

244.1 Building, structure, facilit y, or emi ssi ons unit in cl ude s all p o ll utant emittin g activities which:

a. belon g to the same in du stri al grou ping, a nd;

b. are l o cated o n on e p r op erty or on two or more co ntiguou s pro pertie s

, and;

c. are und er th e sam e o r com m on o w n e rsh i p, ope ration, or cont rol o r whi c h

are o w ne d or operated by e n tities whi c h are un de r co mmon control

.

244.2 Pollutant emi tting activitie s shall be c onsi dered as part of the same ind u st rial

grou ping if:

a. they belo ng t o the sam e t w o-digit stan dard ind u st ri al cl assification cod e unde r the sy stem descri b e d in the 198 7 Standard Ind u strial Cla s sification

Manual , or;

b. they are pa rt of a comm on pro d u c tio n pro c e ss. (Comm on pro ductio n

pro c e s s in clu des indu stri al pro c e s se s, manufa c turi n g processe s and a n y

con n e c ted proce s se s invol v ing a comm on materi al.)

244.3 The emissio n s within Di strict bo und ar ie s of carg o carri ers asso ci ated with the

stationa ry so urce sh all b e con s id ere d e m i ssi on s fro m the station a ry sou r ce to the

extent that emissi on redu ction s from ca rgo ca rrie r s are p r op osed as offsets.

245 TEMPOR AR Y SOU RCE : Tempo r a ry e m issi on so urces su ch as pil o t plant s, and porta ble

facilities whi c h will be t e rminated or loca ted out side the Di stri ct after less than a

cumul a tive total of 90 days of operatio n in any 12 con t inuou s mont hs, and th e e m issi on s resulting from the con s tru c t i on pha se of a new sou r ce

.

246 TOTA L RED UCE D S U LF UR C O MPO U N D S: T h e sulfur comp o und s hyd r og en sulfide, methyl merca p tan, dimethyl sulfide an d dimethyl disul f ide.

300 STA NDA RDS

301 B EST A V A I LA B L E C O N T R O L TECHNOLOGY: An appli c ant sh a ll apply Best Available

Control T e ch nology to a n e w emissio n s unit o rm odifi cation of a n e x isting emi s si ons unit,
except ca rgo ca rrie r s, for eac h emi ssi o n s cha nge of an affecte d pollutant, whi c h woul d

have a n in cre a se in e m issi ons, acco rdin g to p r o c ed ures sp ecifie d i n Sectio n 4 1 0 , and the potential to e m it of the new or m odified emis sion s un it which equal s or ex cee d s the level s

spe c ified in S e ction 3 01.1. A condition whi c h reflect s BACT in a manne r con s i s tent with testing proce dure s , su ch as ppmv NO x, g/literVO C, or lbs/h rshall be co ntai ned in the

latest autho rity to constructand permit to operate.

301.1 Pollutant lb/day

Rea c tive org anic comp ou nds 10 Nitrog en oxid es 10

Sulfur oxide s 80

P M 1 0 8 0

Carbon m ono xide 550 (Co n tinue d o n the next page)

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 12 Place r Co unt y APCDPollutant lb/day

Lead 3.3 Vinyl chlori de 5.5
Sulfuric acid mist 38 Hydro gen sul f ide 55

Total red u ced sulfur comp o und s 55

Red u ced sulfur co mpo und s 55

302 OFFSET RE QUIREME N T S , GENERAL :

302.1 An applicant shall p r ovide offsets for th e affected poll u tant, except as provided i n Section 3 04, obtaine d pu rsuant to Rul e 504, EMISSION REDUCT ION CREDIT S,

or Rule 505, PRIORITY RESERVE, for new and modified sources where the

cumul a tive e m issi on cha n ges of rea c ti ve orga nic compou nd s, n i trogen oxide s

, sulfur oxide s , PM10 or carbon mo noxid e ca l c ulate d pursua n t to Section 4 11 or 412 exceed t he level sp ecified in Sectio n 302. 1.a, be low. Sufficie n t offsets sha l l be p r ovided, from the sam e cal end ar q uarte r a s the emission s, to offset po sitive

emission s ch ange s of rea c tive orga nic comp oun ds, nitroge n oxid es and ca rbo n monoxide (ex c ept a s p r ovi ded in Se ct io n 302.2 and Section s 30 2

. 7 and 3 02.8,

respe c tively) cal c ulate d according to pro c e dures spe c ified i n Sectio n 4 14.

Sufficient off s ets shall b e p r ovided, fr om th e sa me cale nda r qua rter a s the

emission s, t o offset p o si tive emission s chan ge s o fsulfur oxid es a nd PM 1 0 (exce p t a s provide d in Section 302. 9 and 30 2.1 0 , re spe c tive ly) cal c ul ate d according to procedures spec ified in Section 415. Fa cilities shal l be required to

curtail o perations if suffici ent offset s a r e not obtain ed as re qui red by permit

con d ition s

. Except as provided for in Section 304 , emissio n offsets u s ed to mitigate emi s sion i n creases mu st be ofthe sam e pollutanttype. The facility is ultimately respon sible for e n su ring offsets.

a. Pollut ant poun ds p e r q uarte r tons pe r year Rea c tive org anic comp ou nds 5,000 10 Nitrog en oxid es 5,000 10

Sulfur oxide s 12,500 25

PM10 7,500 15

Carbon m ono xide 7,500 15

302.2 Offsets fo r in cre a ses in ca rbon mon o xide shall n o t be requi red ifthe ap plica n t

, usin g a n ai r quality m o deling an alysis p r epa re d pu rsuant to Sectio n 4 0 2

, demon strates to the sati sfaction of th e Air Polluti on Control Officer th at the

increa se i n a m bient con c e n tration doe s not exceed 500 mi crog ra ms p e r cu bic meter, 8 hou r average, at o rbeyond the prop erty line of the station a ry sou r ce.

302.3 In no case shall hal oge nated hydrocarbo ns b e used a s offse t s for rea c tive

orga nic com p ound s, no r shall exempt co mpou nd s or other comp o und s exclu d e d

from the defi n ition of rea c t i ve org ani c compou nd s b e used a s offsets for re active

orga nic com p ound s.

302.4 Portable e qui pment shall be evaluate d for o ffsets atthe initial location only. In

the event su ch porta ble eq uipment i s sh utdown, emission red u ctio n credits sh al l be g r ante d b a se d on the e m issi on s cal c ulated at th e i n itially permitt ed lo cation. If operated a cumulative tot a l of le ss tha n 90 day s wi thin a co ntin uou s 1 2 mo n t h perio d, at all l o catio n s withi n the Di stri ct and in any ai r basi n of whi c h the Di stri ct is a part, the portabl e equi pment is con s ide r ed a tem pora ry so urce

.

302.5 Except a s all o we d by Se ct ion 4 12.1 fo r sou r ces which have p r ovid ed full offsets

of total su sp ende d pa rticulate (TSP ), the PM10 emission s from an existi ng

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 13 Rule s an d Regulation sstationa ry so urce shall be recalculat ed from the TSP emissi on i n crea se s an d

decrea s e s which have occurre d sin c e De cemb er 31

, 1976, usi ng PM10 emi s si on factors. Wh e n PM10 emi s sion facto r s do n o t exist assume 50% of the TSP i s PM10.

302.6 Offsets can only com e from re gion s wi th the sam e air quality desi gnation s or

worse de sign ations tha n th at of the emi ssi on s unit or stationa ry so urce re qui rin g the offsets.

302.7 Emissi on red u ction s of re a c tive organi c comp oun ds o rnitroge n oxi des du ring th e quarte rs sta rting April 1 or July 1 m a y be u s ed to offset po sitive emissi o n cha nge s of the same p o llut ants du ring a n y calen dar q uarte r.

302.8 Emissi on re d u ction s of ca rbon mo nox i de d u ri ng th e qua rters sta rting Janu ary 1

or O c tob e r 1 may b e u s ed to offse tpositive e m issi on ch a nge s of ca rbon

monoxide d u ring any cal e n dar qu arte r.

302.9 Emissi on red u ction s of PM 10 d u rin g th e qua rters starting Janu ary 1 or O c tobe r 1 may be u s ed to offset positive emissi on cha nge s of PM10 du ring any cale nda r quarte r.

302.10 Emissi on re d u ction s of sul f ur oxid es du ring any qua rter maybe u s ed to offset positive emi s sion cha nge s of sulfur oxid es du ring a n y calen dar q u a rter.

303 LOC A TIO N OF OFFSET S AND OFFS ET RATIOS :

303.1 Except as p r ovided in S ubsectio n s 3 03.2 and 3 0 3 .3, and Se ction 30 4, a n appli c ant sha ll provide offsets fo r emissi on s from a prop osed sta t ionary so urce subj ect to the req u irement s of Se ction 302 acco rdin g to the follo wing ratio s a nd requi rem ents as a minim u m: Offs et Ratio

Non-Attainment Other Affec t ed

Location of O ffset Pollutants Pollutants

Same Source 1.0 to 1.0 1.0 to 1.0

Within 15 -Mil e Radi us 1.3 to 1.0 1.1 to 1.0

and withi n the Distri ct

Within 15 -Mil e Radi us 1.3 to 1.0 1.2 to 1.0

outsid e the Di stri ct, but

within the sa me air ba sin

Greate rthan 15-Mil e 2.0 to 1.0 1.2 to 1.0

but within 50 -Mile Radi us and withi n Di stri ct

Greate rthan 15-Mil e 2.1 to 1.0 1.3 to 1.0

but within 50 -Mile Radi us a nd

outsid e the Di stri ct, but

within the sa me air ba sin

More tha n 50 -Mile Greate rthan Greate rthan

Radi us a nd within the 2.1 to 1.0 1.3 to 1.0

same ai r ba si n

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 14 Place r Co unt y APCD303.2 Offsets obtai ned f r om lo cations notsa tisfying the lo cation criteri a of Sub s e c tio n 303.1, other t han offsets obtained purs uant to Rule 505, PRIORI TY RESERV E

, shall be su bj ect to a n offset ratio of at least 1.2 to 1

. 0. An air q uality analysi s

pursua n t to Section 306 shall be p e rf orme d. The Air Pollution Cont rol Offi ce r may impo se, based on th e air quality a n a lysis, a hi gh er off s et ratio su ch that th e

new or modifi ed stationary source will not prevent or i n terfere with t he attainm e n t

or mainte nan ce of any am bient air qu ali t y standard.

303.3 Applica n ts p r oviding offsets o b ta ined pursu ant t o Rul e 5 0 5

, PRIORITY RESERVE, shall be s ubjec t to an offset ratio of 1.0 t o 1.0 for all pollutants at all

distan ce s ex cept for major statio nary source s. Major stati onary sou r ce s providin g offsets obtai ned pursua n t to Ru le 505, PRIORITY RES E RVE, shall be subj ect to an offset ratio of 1.2 to 1. 0 for all pollutant s at all distan ce s.

303.4 Offsets whi c h are obtai n ed fro m a st at ionary so urce p u rsu ant t o Sectio ns 3 0 2

and 303 m a y offset emissi on increa se s in another di stri ct, and offsets o b taine d

from a statio nary sou r ce i n anoth e r distri ct may offset emissio n i n crea se s of a stationa ry so urce in Place rCo unty, if b o th stationa rysou r ces a r e locate d in the

same ai r ba si n. If the stationary sou r ce s are n o t in the sam e air basi n , both of

the followin g requi rem ents must be met:

303.4.1 The statio nary source to which the emission red u ctio ns a r e cre d ite d must

be located in an up wind di stri ct that is classified, pursua n t to Heal th and Safety Code Section 409 1 0 et seq., as being in a worse n onattai n ment

status than th e do wn win d distri ct wh e r e the station a ry sou r ce havi ng the

emission in creases i s located.

303.4.2 The stationa ry sou r ce at which th er e are emi ssi on source s to b e offset is

locate d in adownwi nd distri ct thati s overwh elm i ngly impa cted, as

determi ned pursua n t to Health an d Safety Code Section 39 610, by

emission s transporte d from the up wi nd dist rict where th e sta t ionary

sou r ce to whi c h the emi ssi on red u ctio ns are credite d is located.

Any offset credited to a stationary sou r ce in on e di stri ct usi ng o ffsets obtai ne d

from re du ctio ns fro m a sta t ionary source in anoth e r distri ct sh all be app rove d by

a re sol u tion adopte d by t he gove r nin g boa rd of th e up wind district an d the governi ng bo ard of the d o wn win d dist rict, after taking into co n s ide r ation th e impact of th e offset on ai r quality, publi chealth, an d the re gion al e c on omy. Th e Distri ct’s g o vernin g boa rd may delegat e to the Air Pollution Co n t rol Officer th e Board’ s auth o rity to appro v e the offsets credite d.

303.5 If Placer Co u n ty is whe r e t he stationa rysou r ce to whi c h emissio n redu ction s a r e

cre d it ed is l o cat e d, t he Dist ri ct sh a ll dete r mine the type and qua ntity of the

emission red u ction s to be cre d ited.

303.6 If Placer Co unty is whe r e the station a ry so urce a twhich th ere are emi s si on increa se s to be offset is lo cated, the Di strict sh all do both of the followin g :

303.6.1 Determine th e impa ct of t hose emi s sio n s red u ctio ns in mitigation of the

emission in creases in the same ma nne r an d to th e same extent as th e distri ct woul d do so for fully credit ed e m issi on re du ction s from source s locate d within Placer Cou n ty, and

303.6.2 Disco unt the emissio n re ductio n s cre d ited to the sou r ce in th e othe r distri ct. The extent of the disc ount sha ll be determi ned pu rsuantto the

followin g as t houg h the so urce was a compa r abl e source lo cate d within

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 15 Rule s an d Regulation sPlace r Cou n ty and th e di scount sh all not be le ss than that wh ich i s requi re d for comp arable sou r ces lo cat ed within Pl ace rCo unty: Rule 502, Ne w Source Revie w

, Section 305. 2; Rule 504, Emissi on Re ductio n Cre d its, Se cti ons 30 2, 40 8

. 4, and 409; and Rul e 5 0 6

, Biomass E m issi on Red u ctio n Credits an d Ban k ing, Sectio n s 401.6, an d 404.

303.7 Pursuant to Health and S a fety Cod e S e ction 409 18. 7, emissio n redu ction off s et

cre d its creat ed in one di stri ct pursu a n t to He alth and SafetyCod e , Secti o n
4186 5, su bdi vision (p), p e rtainin g to offsets creat ed by ri ce stra w b u rni n g emission re d u ction s , shall be a pproved for u s e by a stationa ry so urce lo cate d i n anothe r dist ri ct if all of the followin g con d itions a r e m e t:

303.7.1 The di stri ct containin g the sou r ce p r ovi d ing the offset credits d o e s n o t

have a no net -incre ase permitting prog ra m in its attainment plan.

303.7.2 The di stri ct whe r e the offset cr edits a r e to be use d is de sig nat ed a s having a “m oderate” stat e ambient ai r quality designation for ozo ne, carbon m ono xide, sulfur di oxide, and nit r oge n dioxide

.

303.7.3 The distri ct where the offset credit s a r e to be u s ed is locate d in the sa me air ba sin as, or withi n an air ba sin th at is contiguo u s to, the air b a sin i n whi c h the di strict containin g the sou r ce providin g the offsets is lo ca ted.

303.7.4 The site wh ere the offset credits will be use d is located within 200 linea r air mile s from the sou r ce p r oviding the of fset credits.

(Di s tri c t Rul e 506, BI OMASS EMISSION RE DUCTION CRE DITS AND BANKING, Section 30 0, lists ad ditional applica b le requireme nts for tran sfer a n d

use of the s e cre d its.)

304 INTERPOL L U TANT O F FSETS: The Air Pollution Cont ro l Officer m a y approve interpoll u tant offsets f o r precu r sor poll u tants on a ca se byca se b a si s, p r ov ide d t hat t h e appli c ant d e m onst r ate s t h rou gh th e use of an a i r qu ality mo del that the emissio n increases from the new or modified source will not cause or contribute to a violat ion of an

ambient air quality stand ard. In such ca se s, the Air Pollution Control Officer shal l impose, b a se d on an ai r q uality analy s i s , offset ratio s g r e a ter tha n the re quire ments of

Section 303. Interpoll u tantoffsets between PM1 0 a n d PM10 pre c ursors m a y b e allo wed only if PM10 pre c u r sors co ntribute si gnif i cantlyto the PM10 levels t hat excee d the PM10

ambient stan dard s . PM1 0 emissio n s shall notbe allowed to of fset nitro gen oxides o r

rea c tive org a n ic comp oun d emissio n s i n ozo ne n o n a ttainment areas, no r be allowed to

offset sulfu ro x ide emission s in sulfate n onattainme nt area s.

305 EMISSION RED U C T ION S , SHUT DO WNS A ND CU RT AILME N TS: Ac tu al e m iss i on redu ction s from a shutdo wn o r curtail m ent of pe rm itted emissio n units may be credite d for the purpo se s of ban kin g and offset s purs uant to Rule 5 04, EMISSION REDUCTIO N

CRE DITS, provided:

305.1 Applicatio n is made for emi ssi on re du ction credits.

305.2 The crediting and di sbu r sement of em i ssi on red u cti ons from sou r ce shutd o wn s and curtailm ents shall be in a c co rdan ce with the mostcurrent U.S.

Environme n tal Prote c tion Agency emi s sion s tradin g policy and ap plica b le fed e ral regul ation s

.

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 16 Place r Co unt y APCD305.3 Emissi on s d e crea se s a r e ensure d an d do cume nte d by enforce able emi s sio n limitations co ntained in t he pe rmit to operate, or emission s decrea s e s a r e

ensure d by the perm ane nt surre nde r or can c ell a tion o fthe permit to operate.

306 AMBIE N T AI R QU ALITY STAN D A R D S : In no case shall emi s sion s from th e new o r modified stati onary source, prevent or int e rfere with the attainment or mainte nan ce of any appli c able a m bient ai r qu ality standa rd , except a s provide d in Section 3 02. 2. The Air

Pollution Co ntrol Office r may requi re the use of a n air quality model to esti mate the

effects of a n e w or mo difie d st ationa ry source. The a nalysi s shall estimate the effects of

a new o rmod i fied stationa ry source, an d verifythat th e new o rmod i fied stationa ry source will not preve n t or interfe r e with the attainm ent or m a i n tenan ce of any ambient air qu ality

stand ard. In ma king this determi nation the Ai r Pollution Control Officer shall t a ke into

accou n t the mitigation of emission s th rough o ffsets pursua n t to this rule and t he imp a ct s of tran spo rte d polluta nts o n do wn wind pollutant con c entration s. The Air Poll ution Contro l

Officer m a y impose, ba se d on an air quality analy s is, offset ra tios greate rthan the requi rem ents of Section 30 3.

307 DENIA L , FAI L URE T O M EET STAN D A R D S: T h e Air Pollution Control Officer shall deny any authority to con s tru c t or pe rmit to operate if the Air Pollution Co ntrol Officer

finds that the subje c t of th e appli c ation woul d not co mply with the standa rd s set forth in

Distri ct, state, or federal rul e s or reg u lati ons. Stationary sou r ce s a nd emissio n units are requi re d to curtail ope rati ons corre s po nding to the extent that r equired offse t s are no t

obtaine d, or are n o t perm anently maint a inabl e. The owne r o rop erato rof the stationa ry source or emissi ons unit requiring off s ets has the ultimate responsibility for ensuri ng offsets a r e re al, surpl u s, p e rma nent, an d quantifiabl e

.

308 CEQA APPLICABILITY: All prop osed new and mo d i fied source s for which a n authority

to con s truct must b e obta i ned from the Dist rict shall be reviewed in a c cord an ce with th e requi rem ents of CEQA, inclu d ing, butnot limited to, alternative siting and benefits analysi s

.

309 DENIA L , FAI L URE T O M EET CEQA : The Air Pollution Co ntrol Officer shall deny any authority to construct o rp e rmit to ope rate if the Air Pollution Con t rol Office r finds that the subj ect of the application would not com p lywith the standa rd s set forth in CEQA

.

400 ADMI N ISTR ATIVE REQU IREMENTS

The foll owin g ad mini strat i ve re quirem ents i n Se cti ons 40 1-415 sh all a pplyto a n y a c tivities regul ated by this rule, except for the re view ofpowe rplants ove r50 mega watt s. Power pla n t s
over 50 me g a watts shall be su bje c t to the revi ew requireme nts of Section 41 6, and appli c able requi rem ents of Rule 507, FEDERAL O PERATING PERMIT PRO G RAM. Stat ionary source s that are subj ect t o Rule 507, FEDERAL O PERATING PERMIT PROGRAM, sh all be pe rmit ted in

accordan ce with the pro c edures sp e c i f ied in that rule, in a dditi on to the re quire ment s o fthis

Section that a r e co nsi s tent with Rul e 507

.

401 COMPLETE APPLIC ATIO N: With the exception o fapplicatio ns for initial permit to
operate, pe rmit rene wal, or a signifi ca nt modifi catio n for statio na ry sou r ce s su bject to the requi rem ents of Title V of the Fede ral Clea n Air a s ame nde d i n 199 0 and Rule 507,
FEDERAL OPERATING PERMIT PROGRAM, the Air Pollution Control Officer shall

determi ne wh ether th e a p p lication i s co mplete n o lat e r tha n 3 0 d a ys after re ceipt of the appli c ation, or after su ch long er tim e pe riod t hat the ap plicantand the Ai r Pollution

Control Officer have ag re ed to in writing. If th e Air Pollution Co ntrol Office r determi ne s that the ap plication i s n o t com p lete, the ap plicantshall be no tified in writing of th e deci s io n sp e c ifying the in formation req u ired. Upon receipt of a n y re-sub mittal of the appli c ation, anew 30 -day perio d to d e term in e compl e tene ss sh all begin. Com p letene ss of an appli c a t ion or a re -submitted ap plicatio n shal l be evaluate d on the ba sis of th e

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 17 Rule s an d Regulation sinformatio n requireme nts set forth in Districtre gulati ons (a dopte d pursu ant to Article 3,

6594 0 throu g h 65944 of Chapter 4.5 of Divisio n l of Title 7 of the California Go vernme nt
Cod e ) a s the yexist o n the date on which the ap plicat ion o r re -sub mitted ap plication wa s received, on the CEQA-related info rm ation whi c h satisfie s the requi rem ent s of the

Distri ct' s CE QA Guideli n es, and th e appli c able re quire ment s o fRule 50 7, FEDERAL

OPERATING PERMIT PROGRAM. The Air Poll ution Control O fficer m a y, during th e

pro c e ssi ng of the a ppli c ati on, re que st a n ap plic ant to cla r ify, amplify, corre c t, or otherwise

sup p leme nt the inform atio n submitted i n the appli c at ion.

402 AIR QU ALIT Y MODELS : All air quality model s u s e d for the pu rpo s e s of thi s rul e shall be

con s i s tent with the req u irem ents provided i n t he mo st re cent edition of U.S.

Environme n tal Prote c tion Agen cy "Gu i deline s o n A i r Qu ality Mo dels, OAQPS 1.2-0 80"

unle ss the Ai r Pollution Control Officer finds that such m odel i s inapp rop r iat e for u s e. After ma king su ch a findi n g the Ai r Poll ution Control Officer may d e sig nate an alternate

model only a fter allo wing for pu blic co mment, and only with co ncu r ren c e ofthe U.S.

Environme n tal Protectio n Agency. Cre d it s hall n o t be given for stacks high er than that dictated by g ood en gine eri ng practi ce. All m odeling co sts a s soci a t ed with the siting of a

stationa ry so urce sh all be born e by the appli c ant.

403 PRELIMINARY DE CISION: Except a s p r ovided i n Secti on 1 11, followin g a c ceptan ce of

an ap plicatio n as com p let e , the Air Poll ution Control Officer shall perfo rm the e v aluation s requi re d to d e termin e co mplian c e with all appli c a b le dist rict ru les an d re gul ations a n d make a p r eli m inary written deci s ion a s to wheth e r a permit to con s tru c t should b e approved, co nditionally ap proved, or d enied. Whe n the Di stri ct is the CEQA Lea d Agency fo r a proj ect, th e Air Polluti on Co ntro l Officer shall not issue aprelimin ary deci s io n until the d r aft Environm ental Im pact Re p o rt o r Negative Decla r ation is available for publi crevi ew. The de ci sion shall b e sup porte d by a su cci nct wri tten analysi s

.

403.1 The Ai r Pollu tion Control Officer shall transmit to th e Californi a Air Resou r ce s Board an d the U.S. Environm ental Prot ectio n Agency its preliminary writte n deci s io n a nd analysi s fo r source s su bje c t to Se ction s 301, 302, 30 3, and 30 6 n o later tha n the date of publi c ation as req u ired in Se cti on 40 4. Fo r i n itial pe rmits to operate, ren e wal of permits, significant and min o r permit modificatio n s, an d

reop enin g s f o r ca use of sou r ces subj ect to the re quire ment s of Title V of the

Fede ral Cle a n Air Act as a m ende d in 19 90 (42 U.S.C. Section 740 1 et seq.), an d

pursua n t to Rule 50 7, FEDERAL OPERATING PERMIT PROGRAM, the

prop osed de cision, analy s i s

, pu blic noti c e, a nd draft permit ifappli c abl e, shall b e sent to the U. S. Environme n tal Protec tio n Agency for a 45 day revi ew pe riod.

404 PUBLI C A T IO N AN D P U B L IC COMME NT: Except a s p r ovid ed i n Section 11 1, within te n cale nda r day s followin g a prelimi nary d e ci sion pu rsu ant to Section 300, Standards, of this
rule, the Air Pollution Control Officer shall pu blish i n at lea s t o n e ne wspap er of gen eral

circulatio n in the Di stri ct a notice stati ng the p r eli m inary d e ci si on of the Air Pollution Control Officer, notin g ho w the pe rtine n t info rm ation ca n be obtai ned, an d invit i ng written publi ccomm ent for a 30 -d ay peri od foll owin g the dat e of pu blication. Fo r initial permit s to operate, rene wal of pe rm its, si gnificant permit m odifi cati on s, a nd reope ning s fo r ca use of

sou r ces subj ect to Rule 5 07, FEDERA L OPERATING PERMIT PROGRAM, publicnotic e shall b e given pursuant to the req u ireme n ts of that rul e

.

405 PUBLI C INS PECTION: Except a s p r ovided in S e ction 1 11, th e Air Pollutio n Co ntrol

Officer shall make availa b l e for pu blic i n sp ecti o n at the Di stri ct's office the inf o rmatio n submitted by the appli c a n tand the Air Pollution Co ntrol Officer' s analysi s n o later than

the date the notice of th e prelimin aryde cisi on i s publi s hed, p u rsuant to S e ction 40 4.

Information submitted whi c h contai ns t r ade se cret s shall be han dled in a c cord ance with

Section 6254. 7 of the California Gove rn ment C ode a nd relevant section s of the California

Administrative Code. Furt her, all such i n formatio n sh all be t r an smi tted no late r t han th e

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 18 Place r Co unt y APCDdate of p ubli c ation to the Califo r nia Air Re sou r ces Board and th e U.S. Environmenta l

Protectio n Ag ency regio nal office, an d to any pa rty wh ich req uest s su ch info rmat ion. Fo r initial pe rmit s to ope rate , rene wal ofpermits, si gnifica nt pe rmit modifications, and

reop enin g s for ca use of source s su bje c t to Rule 507, FEDE RAL OPERATING PERMIT

PROG RAM, written n o tice , the propo se d permi t, an d upon requ est, the Distri ct' s analysi s

, shall be p r ovi ded to intere sted pa rties or age nc i e s pursua n t to the req u ire m e n ts of that

rule.

406 AUT HO RITY TO CO NST R UCT, FIN A L ACTI O N :

406.1 Within 18 0 d a ys after a c ceptan ce of an application a s co mplete, the Air Polluti on Control Offi cer shall take final a c tion on the ap pli c ation after con s id erin g all

written comm ents.

406.2 Notwith s tan d i ng this 1 80-d a y limit, the Air Pollution Control Officer shall not t a ke

final action fo r any proje c t for whi c h an Environme n tal Impact Re port (EIR) or a Neg a tive Declaration is bei ng p r ep ared until a fin a l E I R for that p r oject ha s b e e n certified o ra Neg a tive De claration for th at proj ect ha s been ap prov ed, an d the A i r Pollution Co ntrol Officer has con s ide r ed the information in th at final EIR or Neg a tive Declaration. The Air Pollution Control Officer sh all take final action o n the appli c atio n within whichever of the followin g pe rio d s of time is l onge r:

a. Within 180 d a ys after the certificati on o fthe final EIR or app rova l of the Neg a tive De claration, o r

b. Within 180 d a ys of the date on whi c h the applicati on wa s determined compl e te by the Air Pollution Co ntrol Of ficer.

406.3 Except as provided in Se ction 111, the Air Pollution Control Officer shall p r ovi de

written noti c e of th e fin a l a c tion to the appli c a n t, the U.S. Environ m en tal

Protectio n Agen cy, and the Califo r nia Ai r Resources Boa r d, an d shall p ubli s h

su ch notice i n a newsp ap er of gen eral ci rculatio n a n d shall m a ke the noti c e a n d all sup portin g docum ents a v ailable for p ublic in sp ecti on at the Dist rict' s office.

407 REQUI R EME N TS, AUTHO R ITY TO CO NSTRUCT AND PERMIT TO OPERAT E:

407.1 Gene ral Con d itions : As a conditio n for the issuan ce of an autho ri ty to construct and a pe rmit to operate, the Air Pollution Cont rol O fficer sh all re quire that th e emission s u n i t and station a ry so urce, and a n y emi ssi on s unit s whi c h p r ovid e offsets, be o perate d in the mann er stated in the applicatio n in makin g the analysi s requ ired to determine compli a n ce with thi s rule, a nd a s con d itione d in the authority to con s tru c t.

407.2 Emissi on s Li mitations : All of the followi ng emi ssi on s limitations sh all be in clud e d

in the authorit y to constructand per mit to operate, if ap plica b le.

a. The autho rity to construct and pe rm it to operate shal l include emi ssi on limitations th at refle c t B e st Availa bl e Control T e ch nolo g y. Such

con d ition(s) shall be exp r esse d in a mann er co nsi s tent with testing

pro c ed ures, such a s ppmv NOx, g/liter VOC, or lb s/hr.

b. A qua rterly emission s li mitation fo r each affe cte d poll u tant f o r whi c h

offsets a r e b e ing p r ovide d pursua n t to Section 3 02. 1 sh all be co ntained

in the authorit y to constructand permit to operate.

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 19 Rule s an d Regulation sc. A daily emission limitation shall b e co ntained in the a u thority to co nstru c t

and permit to ope rate for all affecte d p o llutants for whi c h offsets are n o t being p r ovid ed pursu antto Secti on 302.1, or when re qui red to be

con s i s tent wit h ambient ai r quality stand ard s

.

d. Electri c al po wer pl ants sh all al so conta i n a quarte rly emissi on s limitation for operation of incre a sed power pl a n t operation ne eded to com pen sate

for red u ced operation at other po we r plant(s) withi n the Distri ctdue to

emergen cy b r ea kdo w n, p u rsuant to Rule 404, UP SET CONDI T IONS, BREAKDOWN, OR SCHEDULE D MA INTENA NCE, and regularly

sched uled m a intena nce.

e. Permits to op erate for sou r ce s su bj e c t to the requi re ments of Rul e 507,

FEDERAL OPERATING PERMIT PROGRAM, s h all c ont ain all appli c able fe deral req u ire m ents in a ddi tion to the applica b le limita t ions of (a), (b), (c), a nd (d ), above

.

407.3 De sign, Ope r ational, o rEq uipment Stan dard s : If the Air Pollution Control Officer

determi ne s t hat technol o g ical or e c o nom ic limitat ions on the appli c ation o f

measurementmethodolo g yto a particular class ofsou r ces wo uld make th e impositio n of a num eri c al emission sta ndard infe asi b le, the Ai r P o llution Cont rol Officer may i n stea d p r e scribe a de sign , ope ration al, or eq uipme n tstand ard. I n

su ch ca se s, t he Dist ri ct sh all ma ke it s b e ste s t i mat e as t o t he e m i ssi on rat e t h a t

will be a c hi e v ed and shall spe c ify that rate in req u ired submi ssi o n s to the U.S.

Environme n tal Prote c tion Agen cy. Any permit s i s sue d with outan e n forcea ble

nume r ical em issi on stan da rd m u st co ntai n e n forcea ble con d ition s whi c h assu re that the d e si gn cha r a c teri stics o re quip m entwill be prop erly m a i n tained, or th at the operational conditions will be properly performed, so as to continuously

achi eve the a s sumed d e g r ee of cont rol.

407.4 Offsets :

a. Except as p r ovided i n Section 4 07.4. b, below, th e ope ration of any

emission s u n it or statio nary sou r ce whi c h p r ovi des offsets shall be subj ect to e n f orce able pe rmit con d ition s , co ntainin g spe c ific emi ssi on s and ope ratio nal limitation s , to e n sure that the emission re du ctio ns sh all be p r ovide d in a c cord an ce with the p r ovisio ns of this rule and sh all

contin ue for the rea s o nabl y expected lif e of the prop ose d emissio n s uni t

or station a ry sou r ce.

b. Whe r e the source of offsets i s n o t re quire d to obt ain a n a u tho r ity to

con s tru c t or a permit to operate p u rsua nt to Rule 501, GENERAL

PERMIT RE QUIREME N T S , and Rul e 504, EMISSION RE DUCTIO N

CRE DITS, a written contra ct o rafu n c tional equival e nt as dete r mi ned by

the Air Polluti on Control O fficer shall be req u ire d bet wee n the a p p lica n t

and the o w n e r or o p e r ato rof su ch sou r ce, whi c h co ntract, by its terms,

shall be enfo r ce able by th e Air Pollutio n Control Off i cer. F o r so urce s subj ect to federal NS R requi reme nt s, in the abse n ce of federally

enforcea b le condition s, the execution ofa sou r ce spe c ific SIP revision i s requi re d.

c. An intern al e m issi on offse twill be con s i dere d enfo r ceable if it is made a State Implementation Plan (SIP) require ment by inclu s ion a s a con d ition

of the n e w sou r ce p e rmi tand th e p e rmit i s fo rwarde d to the U.S.

Environme n tal Protectio n Agency.

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 20 Place r Co unt y APCDd. Except a s provided in Se ction 4 07. 4.b

, external off s ets mu st be made

enforcea b le either by re vision of an offsetting source' s auth o rity to

c o ns tr uc t an d p e r mit to ope r a te o r b y submittal of a SIP revision to U.S.

Environme n tal Prote c tion Agencypri o r to the ope rati on ofthe emi ssi on s unit. The rev i sed pe rmit shall be forwa r ded to the U.S. Environ m ental

Protectio n Ag ency. The SIP revision su bmittal shall be su bmitted to the

California Ai r Re sou r ces Board to be fo rwarded to the U.S.

Environme n tal Protectio n Agency a s part of the State Impleme n tation

Plan.

e. A violation of the emission limitati on pro v ision s of an y contra ct pu rsu ant
to Section 4 07.4.b, abov e, shall b e a violation o fthis rule b ythe appli c ant.

f. The op eratio n of any em issi on s unit or statio narysou r ce whi c h use s offsets p r ovid ed by an othe r emi ssi on s u n it or station a ry source shall be subj ect to e n f orce able pe rmit con d ition s , co ntainin g spe c ific emi ssi on s and ope ratio n a l limits, to ensu r e that the emission re ductio n s a r e use d in

accordan ce with the p r ovision s of Di stri ct rule s a nd shall co ntinue for th e

rea s on ably e x pected life of the pro p o s ed e m ission s unit or stationary

sou r c e

.

g. For sou r ces subje c t to federal req u irem ents, the pe rman e n ce of

emission s re ductio n s m a y be demo n s trated by federally e n forcea ble

cha nge s in source pe rmit s or appli c a b l e Distri ct reg u lation s to reflect a

redu ce d level of allowabl e emission s.

408 ISSUAN CE, PERMIT TO OPERATE : The Air Pollution Control Officer sh all issue a permit to o p e rate an emi ssi on s u n it subje c t to th e re quirement s ofthis rul e if it i s determi ned that any offsets req u ire d as a condit i on of an authority to constru c t o r amend ment t o a p e rmit to operate will commen c e notlater th an th e initial o pera t ion of the

new or m odifi ed source, a n d that the offsets shall b e maintaine d th roug hout the operation

of the ne w o rmodifie d so urce whi c h i s the ben efici a ry of the off s et s. F u rth e r, the Air

Pollution Co n t rol Officer shall determin e that a ll con d itions spe c if ied in the au thority to

con s tru c t hav e bee n compl i ed with or wil l be complie d with by the d a tes spe c ifie d on the authority to construct. Su ch ap plicable condi tio n s shall be conta i ned in the p e rmit to
operate. Wh ere a ne w o r modifi ed stati onarysource is, in wh ol e or in p a rt, arepl acem ent

for an existin g stationa ry sou r ce on th e sam e prop erty, the Air Pollution Con t rol Office r may allow a maximum of 90 day s a s a startup pe rio d for si multa neou s o peration of the existing stati onary sou r ce and the ne w so urce o rrepla c e m ent. For initial permit s to operate, rene wal of pe rm its, si gnificant permit m odifi cati on s, a nd reope ning s fo r ca use of

sou r ces subj ect to Rule 507, FE DERA L OPERAT ING PE RMIT PROG RAM, permi t

issuan ce shal l comply with the requi rem ents an d pro c edures of thatrule.

409 REGULATIO N S IN F O RCE GOVE R N: An auth o rity to co nst r uct sh all be grant ed o r denie d ba se d on Be st Available Control Tech nol o g y a nd offset req u irem ents of Section s
301 a nd 3 0 2 in force o n the date the appli c ation i s de emed complete a s defined i n Section 21 1. In addition, the Air Pollution Co ntrol Officer shall deny an au thority to

con s tru c t for any new stationary sou r ce or modifi catio n , or any porti on there o f, unless:

409.1 Compli an ce with Distri ct Rule s: The new source or m odificatio n , or appli c a b le portion the r e o f, complie s with the provi s ion s of this rule an d all other appli c a b l e distri ct rule s and re gulatio ns; and

409.2 Certification of Complia nce: The own e r or op erator of the pro posed ne w o r modified so urce ha s certifi ed that all ex i s ting m ajo r stationary so urce s o w n ed or

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 21 Rule s an d Regulation soperated by su ch perso n (or by a n y e n titycontrolli ng, controll e d by, or un d e r

comm on co n t rol with such pe rson ) in California wh ich are subje c t to emi s sio n limitations are in co mplian c e, o ron an expeditiou s sche dule for complian c e, wi th all appli c able emission limit ations a nd st anda rd s.

410 C A L CU LA TION OF EMISSION S BACT: The emi s sion s ch ang e for a new o r modifie d

emission s uni t shall be cal c ulate d by su btract in g hist oric a c tual e m issi on s fro m propo se d

emission s. Cal c ulation s shall be pe rf orme d sep a rately for ea ch emi s sion s unit for ea ch

cale nda r qua rter.

411 C A L CU LA TION OF EMISSION S - OF FSETS TR IGGER FOR R O C

, NOX AND C O : The potential to e m it for each calend ar qu art e r fo r a statio nary so urce shall be the su m of th e potential to e m it, includi ng fugitive emi ssi on s, for al l emissio n s u n its b a sed o n current permit s to op erate a nd a u thoritie s to co nstru c t whe r e permit s to o perate have not bee n issued, the p endin g ap plication an d b a n ke d emi s sio n re du ction cre d its obtai ned afte r Septembe r 2 1 , 1993, fro m emission s units install ed before Se ptembe r 21, 1993, an d

after De cem b er 31, 197 6.

412 CAL CUL A TI ON OF EMIS SIONS - OF FSET TRIGGER FOR SOX AND PM10: Except

as p r ovided i n Section s 4 12.1 and 4 1 2

. 2, t he cumul a tive emissio n s in crea ses for each

cale nda r q u a rter fo r a sta t ionary so urce sha ll be th e sum of em issi on s from Section s 412.3, 412.4, and 41 2.5 for each cale nd ar qua rt er, ex pre s sed in terms of poun ds per day.

412.1 An appli c atio n for a m odification, d eem ed complete after Septem ber 2 1 , 199 3, to

an emi s sion s unit or sta t ionary sou r ce, con s tructe d or wh ose appli c ation i s deeme d com p lete prio r to September 21, 1993, an d whi c h had provided ful l

offsets fo r total su spe n ded p a rti c ul ate matter emission s o c curring after

De cemb er 3 1 , 1976 but before Se pte m ber 2 1 , 19 93, those tot a l su spe nde d particulate m a tter emi s sio n s sh all n o t be re cal c ulat ed a s PM10. Ho wever, a l l

sub s e que nt increa se s in PM10 emi ssi o n s mu st be of fset.

412.2 Except a s p r ovided in Se ction 4 12.5, any emi ssi on s in crea se re pre s ente d byan authority to con s tru c t o r permit to o p e rate whi c h has bee n ca ncel ed o rha s expired a nd any emission redu ction credits surrend ered to the District shall n o t

be inclu ded i n the cumul a tive emissi on s in cre a se cal c ulatio n pursuant to Section

413.

412.3 The potential to emitfor all emi s sion s units in stalle d after Dece mber 31, 19 76

based o n current pe rmit s to ope rate o r authoritie s to con s truct wh ere p e rmit s t o operate have not been i s su ed, inclu d ing the pendi ng a pplication bei ng revie w ed.

412.4 All emissi on i n crea se s fro m the modifica tion to emission s unit s in stalled p r io r to

De cemb er 3 1 , 1976 and modified afte r De cemb er 31, 1976 a s determi ned b y

pro c ed ures specifie d in Section 4 11 or procedu re s spe c ified in Rule 5 02 at the

time of modific a tion.

412.5 Emissi on re ductio n cre d i ts obtain e d pursu ant t o Rul e 5 0 4

, EMISSION

REDUCTION CRE DITS, after De cem b e r 31, 1976, fro m emission s units in stalled

after De cem b er 31, 197 6.

413 CAL CUL A TI ON O F EMI SSIONS - OFFSETS GENERAL: Th e emission s ch ange fo r a

new or mo di fied emissio n s u n it shall be ca lcul ated by subtra cti ng hi stori cpotentia l

emission s fro m propo se d e m issi on s. Ca lculat io ns sha ll be pe rform e d sepa rately f o r ea ch pollutant a n d ea ch e m issions unit fo r ea ch cale n dar qua rter. Ne gative emission s cha nge s shal l be p r o c e s sed un de r the pro c e dures spe c ified i n Rule 504, E M ISSION

R E DU CTION C R E D I TS, and Rule 507, FEDERAL OPERATING PERMIT PROGRAM,

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 22 Place r Co unt y APCDfor early Ha zardou s Air Pollutant red u ctio n s satisfying the req u irem ents ofSection 112(I )(5 ) of the Fede ral Cl e an Air Act as amend ed in 1 990.

414 CAL C U L A TI ON O F EMISSIONS - O FFSETS RE QUIRE D F O R R O C, NO X AN D CO : The cumulati ve net emissi ons in crea se pursua n t to Section 4 13 for a statio na ry source shall b e the sum of emi s sion s from e a ch of the followin g for each cal end ar qua rte r

expre s sed in terms of po un ds pe r qua rte r

.

414.1 The potential to emit including a s soci at ed fugitive emissi on s, not previou s l y offset, for all emissions units installe d after Septe m ber 21, 1 9 93, ba sed o n

curre n t permi ts to ope rate and auth o ritie s to co nst r u c t, where pe rm its to ope rate

have not bee n issued, an d the pendin g appli c ation.

414.2 All emission increa se s, in cludi ng a s so ci ated fugitive emi ssi on s, not p r eviou s ly offset, from t he mo dificati on to emi s si ons units installed befo r e Septembe r 2 1

, 1993, but m odified after Septembe r 2 1 , 1993, as determi ned b yproce dures

spe c ified i n 413 o rp u rsu ant to calculation p r o c ed ure s spe c ifie d in Rule 50 2,

NEW SO URCE REVIEW, at the time of the modificat i on.

Any emission s in crea se re pre s ente d byan a u tho r ity to co nst r u c t or permit to ope rate

whi c h h a s b een can c ele d or h a s expired sh all n o t be in clud ed in the cumulative

emission s in crea se calcula t ion.

415 CALCULATI ON OF EMISSIONS - OF FSETS REQUIRED FOR SOX AND P M 10: The

cumul a tive n e t emi ssi on s increa se pu rsuant to Secti on 4 1 3 for a stationa ry so urce sh all

be the sum o femission s from ea ch of the fo llo wing f o r e a ch calen dar qua rter e x presse d in terms of po und s per q u a rter.

415.1 The potential to emit including a s soci at ed fugitive emissi on s, not previou s l y offset, for all emissions units installe d after Septe m ber 21, 1 9 93, ba sed o n

curre n t permi ts to ope rate or autho ritie s to co nst r u c t where pe rmits to ope ra te

have not bee n issued, in cl uding the p e n d ing ap plicati on bein g revi ewe d

.

415.2 All emissio n increa se s including a s soci ated fugitive emissi on s, not previou s l y offset, from t he mo dificati on to emi s si ons units installed befo r e Septembe r 2 1

, 1993, but m odified after Septembe r 2 1 , 1993, as determi ned b yproce dures

spe c ified i n Section 413 or p u rsua nt to ca l c ul ation pro c ed ures specifie d in Rule 502, NE W SOURCE REV I EW, at t he time of the modification.

Any emission s in crea se re pre s ente d byan a u tho r ity to co nst r u c t or permit to ope rate

whi c h h a s b een can c ele d or h a s expired sh all n o t be in clud ed in the cumulative

emission s in crea se calcula t ion.

416 POWER PLANTS : T h i s se ction sh all apply to all po we r plants propo sed to be

con s tru c ted i n the Dist rictand fo r whi c h a No tice of Intention (NOI) or Appli c ation for Certification (AFC) h a s be en acce pted by the Califor nia Energy Commissio n.

416.1 Within 1 4 day s of re cei p t of a Noti ce ofIntention, the Air Pollution Control Officer

shall n o tify th e Air Re sou r ce s Board a nd the Califo r nia Ene r gy Commi ssion of

the Di stri ct's intent to part i cipate in t h e Noti ce of In tention p r o c e eding. If the

D i s t r i c t c h oos es to pa rt icip a t e in th e Notice of Int ention p r o c e eding, the Air

Pollution Con t rol Office r shall prepa re and submit a repo rt to the California Ai r Re sou r ces Board an d the Califo r nia E nergy Com m i ssi on p r io r to the con c lu si on of the non -a djudi catory h earin g spe c ifi ed in Se ctio n 255 09.5 ofthe Califo r ni a Public Resou r ce s Code. T hat repo rt sh all inclu de, at a minimum:

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 23 Rule s an d Regulation sa. a p r elimin arysp ecifi cd e finition ofB e stAvailable Co ntrol T e chnol ogy fo r the proposed facility;

b. a prelimi n a ry discu ssi on of wheth e r the r e is sub s tantial likeliho od tha tthe requi rem ents of this rule an d all oth e r Di stri ct re gulati ons can b e satisfied by the proposed facility;

c. a preliminarylist of conditi ons whic h the proposed f a cilit y must meet in

orde r to com p ly with this rule or any oth e r appli c a b le distri ct reg u la tion.

The prelimin ary determin a tions contai ned in the re port shall be as spe c ific as possibl e with in the con s traints of the in formatio n containe d in t he Notice of

Intention.

416.2 Upo n re cei p t of an Appli c at ion for Certif i c ation fo r a p o we r pla n t, the Air Pollutio n Control Officer shall co n duct a dete r mi nation of compli an ce review. T h is

determi nation shall consi s t of a review id entical to thatwhich woul d be perfo rme d if an application for a pe rmit to constru c t had be en receive d for the power pla n t.

If the informa t ion co ntaine d in the A ppli c at ion fo r Ce rtification do e s not meet th e requi rem ents of this rule, th e Air Pollutio n Co ntrol Officer shall, with in 20 cal enda r days of re cei p t of the Appl ication fo r Ce rtif ication, so inform the Ca lifornia En erg y Commi ssion, and the Appli c ation fo r Ce rtif ication sh all be co nsid ere d inco mplete

and retu rn ed to the applica n t for re-su b m ittal.

416.3 The Air Pollut i on Co ntrol O fficer shall co ns id er the Ap plicatio n for Certification to be equival entto an applica t ion for a permit to constru c t duri ng the determi nation of complia nce review, an d shall a pplyall provisio n s of this rul e which applyto appli c ation s for a pe rmit to con s tru c t.

416.4 The Air Pollu tion Control Officer may r eque st fro m t he a pplicant any informati on

necessa ry for the com p leti on of the det ermin a tion ofcompli an ce review. If the

Air Pollution Control Officer is una ble to obtain the informatio n, the Air Pollution Control Officer may petition the pre s idin g Commi ssio ner of the Ca lifornia Ene r g y Commi ssion f o r an o r de r di rectin g the ap plica n t to sup p ly such information.

416.5 Within 180 d a ys of a c cept ing an Appli c ation for Certi f ication a s co mplete, the A i r Pollution Control Officer shall ma ke a p r elimina ry deci s ion o n :

a. wheth e r the prop osed p o wer plant me ets the requi reme nts of t h is rule

and all othe r appli c able di strict reg u latio n s, and;

b. in the eventof com p lian c e, whatpermit conditions will be required

inclu d ing th e spe c ific B e st Avail able Control T e chn o logy requi re ments

and a de scrip t ion of requi re d mitigation measures.

The prelimin ary written d e ci sion u nde r Section 4 1 4 .5 shall b e treated a s a prelimi nary d e ci sion und er Section 403 of th is rule, a nd shall b e fi nalized by th e Air Pollution Control Officer only after being su bje c t to the public notice a nd

comm ent req u irem ents ofSections 4 0 3 and 40 4. The Air Pollution Co ntro l

Officer shall not issu e a determin a tion ofcomplia nce for the power plant unle ss all requi rem e nts of this rul e are met.

416.6 Within 240 d a ys of th e filing d a te, the Air Pollution Control Office r shall i s sue and

submit to the California En ergy Commi ss ion a dete r mination of complian c e or, if

su ch a determination can not be i ssu e d , sh all so i n form th e CaliforniaEne r gy Commi ssion. A determin a tion of com p lian c e shall confe rthe sa me rig h ts a n d

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 24 Place r Co unt y APCDprivilege s a s an autho rity to con s tru c t only when and if the California En ergy Commi ssion approves th e Application f o r Ce rtificatio n, and the California En ergy Commi ssion certificate incl ude s all co ndi tions of the d e termin ation of complia nce.

416.7 Any applica n treceiving acertificate from the Calif ornia Ene r gyCommi ssio n

pursua n t to this se ction a nd in compli ance with all con d itions o fthe certifica t e shall b e issue d a permit to operate by the Air Pollution Control Officer. If subje c t to the requi re ments of Title V of the Federal Clea n Air Act as a m ende d in 1 990 (42 U.S.C. Section 740 1 et seq. ), the appl i c ant mu st co mply wit h the ap plica b le requi rem ents of Rule 50 7, FEDERAL O PERATING P E RMIT PRO G RAM.

500 MONITO RIN G AN D RE C O R D S

501 RECO R DKE EPING: T h e followin g record s shall be maintaine d f o r two years and shall be provid ed to the Air Pollution Co ntrol Officer u pon reque st.

501.1 Emerge ncyElectri c al G enerating Equipme n t : Rec o rds ofoperation for

maintena nce purp o ses, for actual inte rru p tions of po wer.

501.2 Portable a n d Tempo r a ry Equipment : Reco rd s of operatin g locatio n a n d

corre s p ondin g dates of op eration.

502 RECO R DKE EPING FOR SOUR CES SUBJE C T T O RU LE 50 7: T h e r e co r d k e ep ing requi rem ents for so urce s subje c t to Rule 5 07, FEDERAL OPERATING PERMIT

PROG RAM, shall in clu de all of the req u irem ents of that rule in a ddition to the sepa rat e recordkeepin g requi rem e n t s of applicabl e federal req u irem ents.

December 9, 2 0 0 4 Place r Co unt y APCD 502 - 25 Rule s an d Regulation sThis pa ge int entionally left blan k

December 9, 2 0 0 4

Rule s an d Regulation s 502 - 26 Place r Co unt y APCD