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# OAR Box 1168 Prepped by Ollie Stewart



### Document

Number: 

# 100 ) ll-C-2 9

Docket Number: 

# A-89-1 0

Printed 4/29/200811:23:20AM

Sheet 100of 131P. 2

.M O Sr, , UNITE D STATE S ENVIRONMENTA L PROTECT K Offic e of Ai rQualit yPlannin g an d Stan c Researc h Triangl e Park , Nort h Carolin a 2 

# A-89-1 0

II-C-2 9 

### SE P 

## 2 7 1990

Dea r Re g Ne g Committee : Pleas e findenclose dfo r you r revie w an d commen i

_ _ equipmen t lea k regulatio ndate d9/26/90 . Thi s draf t reflects , wit honeurrnar- ' exception , th e comment s w e receive dfro m yo uon th e previou s draf t an d th e change s tha t wer e agree dupo ni n ou r subsequen t followu pphon e calls . Th e exceptio ndeal s wit hth e questio no f requirin g a one-tim e chec k o f ne w welde d connector s t o ensur e leak-tightness . Thi s draf t redline s an d strikesou t onl y change s fro

m th e 8/29/9 0 draft . I believ e w e ar e ver y clos e her e an

d th e nex t draf t shoul db e th e "agreemen t signer" . Pleas e focu s on th e possibl e revie w

cross-reference s fo r accuracy . W e hav e mad e tha t some cross-reference s ma y b e ou t o f kilter . Pleas e ge t change s an d i f s o man y change s an y remainin g comment s i s stil l bac k t o m e n o

inbusiness) . late r tha nOCTOBE R9 (assumin g th e Federa l Governmen t

Als o enclose di s a draf t agreement , comment s yo u hav e bac k t o Phil . Rea dthi s carefull y an d ge t an

y

Th e preambl e sectio nrequeste db y AP I wil l follo w

shortly , develope dint o a lengthie r documen t tha npreviousl y envisioned , interes t o f completeness . i n I t ha s th e

I a m aimin g t o wra pu

p th e agreement-in-principl e signin g aroun dth e thir dwee k i n October . W e pla nt o complet e th e entir e preambl e in November , wit ha draf t fo r you r revie w an d comment . Thi s preambl e wil l b e a n advanc e notic e o f propose drulemakin g (ANPR) an d describ e th e equipmen t lea k problem , th e negotiatin g process , th e base s fo r th e man y provisions , an

d summariz e th e standards . I hav e no t discusse dthi s wit hanyone , bu t I se e th e preambl e a s a stand-alon e Federa l Registe r notice . I woul dprefe r instea dt o mak e th e draf t rul e availabl e upo nrequest , bu t no t publis hi t i n th e Federa l Registe r unti l i t i s a n actua l proposal , alon g wit hth e othe r HO N emissio nsources . I woul d lik e t o se e th e ANP Rpublishe dn o late r tha nJanuary . I f yo u hav e an y othe r question s on how

w e ar e proceeding , pleas e don' t hesitat e t o call .P. 3

Draf t >pk September 24 , 199 0

ENVIRONMENTA L PROTECTIO N AGENC Y NEGOTIATE D RULEMAKIN G

CONCERNIN G CONTRO L O FFUGITIV E EMISSION S FRO M EQUIPMEN T LEAK S


### AGREEMEN T I N PRINCIPL E
Th e Negotiate dRulemakin g Committe e considere dth e techmca l an dpolicy issue s involvedi n controllin g fugitive emission s o

f toxic chemical s fro

mequipment

leak s an dha s reache daconsensu s on arecommende d propose drul e t o implement Section 11 2 o

f th e Clea n Ai r Ac t a s amende di n 1990

.

, apart y t o th e negotiations , agree s that :

1

. Th e perso n signing thi s agreement i s authorize dt o commit

th e part y t o it s terms

.
2

. Whe n considere da s awhole , th e part y concur s i

n th e recommende dpropose drul e tha t i s date d andentitle d"Nationa

l Emission Standar

dfo r Equipment

Leak s (Fugitiv e Emission Sources). "

EPA agree s t o draf

t apreambl e consisten

t wit h th e recommende dpropose drul e andt o explain th e basi s andpurpos e o

f th e rul e consistent

wit h th e understandin g o

f th e Committee

. EP A ma y include th e equipment lea k rul e a s par

t o f abroade r

rul e dealin g wit

h Hazardou s Organi c NESHAPs

. EPA wil l submit th e portio n o

f th e preambl e dealin g wit h equipment

leak s t o th e Committe e fo r it s review and concurrence .
Th e part y recognize s tha

t th e preambl e t o th e rul e wil l hav e a n important

bearin g on it s scope , apphcation , andpractica

l effect

. Therefore , th e part y wil l ente r int o afina

l agreement

on th e recommende dpropose d rul e onl y when it i s accompanie db y th e portio n o f th e preambl e dealin g wit h equipment

leaks

.
5

. Th e part

y agree s t o th e explanatio n o f th e "Relationship betwee n thi s Regulatio n andFutur e Regulation s fo r Refiner y Equipment

Leaks " tha

t i s date dAugus t

23 , 1990 an di s attache dt o thi s Agreement in Principle

. Th e part

y als o agree s that

it shall b e include di

n th e preamble s t o th e Advance dNotic e o f Propose dRulemaking , th e Proposed , andth e Fina l Rule

.
6

. Th e fina

l agreement

wil l provide tha

t -

a . EP A wil

l publis h th e recommende dpropose drul e an dit s preambl e a s a n Advance dNotic e o

f Propose dRulemaking

. b

. EPA wil

l publis h th e recommende dpropose drul e andit s preambl e a s aNotic e o f Propose dRule

making i f Sectio n 11 2 o

f th e Clea n Ai r Ac t i s amende di n substantially th e same for ma s th e curren t legislativ e proposals

. I

f Section 11 2 o

f th e Clea n Ai r Ac t i s no t s o amended , th e Committe e shall agre e wha t recommendation s t o mak e concernin g th e propose drule

.

____ mP. 4

c . Each part

y other tha n EP A agree s that

i t wil l no t fil e negativ e comment s o

n th e propose drul e or

it s preambl e t o th e exten t

they ar e consistent

wit h th e recommende dpropose drul e an dpreambl e tha t are th e subject

o f th e fina l agreement

. d

. Each part

y other tha n EP A ma

y commen

t o n thos e portion s o

f th e preambl e tha

t explain EPA' s positio n o n issue s tha

t were not th e subject

o f negotiation s andar e no t

containe di

n th e preambl e t o whic h the Committe e agreed

.
e . EP A wil

l conside r all relevant

comment s submitte di

n respons e t o th e Notic e o

f Propose dRulemakin g andwil l mak e onl y suc h modification s i

n th e propose drul e andthe preambl e a s are necessar y whe n issuin g arule

. f

. EPA wil

l provide copie s o

f th e fina l rul e andit s preambl e t o member s o f th e Committe e prio r

t o thei r publication

. g . Each part

y other tha n EPA agree s not

to tak e an y actio n t o inhibit

th e adoptio n o

f th e recommende d propose drul e a s afina

l rule

. h

. Each part

y other tha n EP A agree s not

t o challeng e th e rul e i

n cour t i f th e fina l rul e andit s preambl e are consistent

wit h th e recommende dpropose drule,an dit s preamble

. i

. An y chang e i n th e applicabiUt

y o f th e propose drul e andit s preambl e t o petroleu moperation s wil l b e made pursuant

to th e processe s describe di n th e attachment

t o thi s Agreement

. Otherwise , suc h change s shal

l b e considere da s inconsisten t wit h the propose drule

. j

. Each part

y other tha n EPA agree s t o fil

e amemoranduminforming th e agency o r the cour t tha t i t participate di

n th e negotiation s andtha t i t concurre di

n th e recommende dpropose drul e whe n considere da s awhol e - (1 ) i f advers e comment s are file dwit h th e agency o

r i f th e rul e i s challenge di

n court , and (2 ) i f th e preambl e an drul e ar e consisten t wit h th e recommende dpropose drul e andth e preamble

.

Organizatio n

DateP. 5

Draf t 9/26/9 0 Nationa l Emissio nStandar d Fo r Equipmen t Leak s (Fugitiv e Emissio nSources ) §XX.X 0 Applicabilit y anddesignatio no f sources . (a ) Th e provision s o f thi s subpar t appl y t o th e followin g oquipmon t pumps , compressors , agitators , pressur e relie f devices , samplin g connectio n systeias * open-ende dvalve s o r lines, , valves , connectors » produc t accumulato r vessels , instrumentatio nsysteas , andcontro l device s o r system s require db y thi s subpar t tha t ar e intende dt o operat e involatil e hazardou s ai r pollutan t (VHAP ) servic e 30 0 hour s o r greate r durin g th e calenda r yea r withi na proces s uni t liste dinparagraph; ! (b ) an d(c ) o f thi s sectio ntha t use s a s a reactan t

o r make s a s a

nintermediat e o r fina l produc t an y o f th e chemical s liste di n Appendi x§XX.X8-1.;pumps , compressors , agitato r seals , prossur o relie f devices , samplin g connectio nsystems , opo nende dvalvo s o r lines , valvos , flango s an

dothe r connectors , produc t accumulato r vessels , instrumentatio n systems , an

dcontro l device s o r system s require db y thi s subpar t (b)j|l | Th e provision s o f thi s subpar t ar e applicabl e t o th e followin g proces s unit s a s liste di nAppendi xpXIX8I2 i o nan dafte r th e designate d dates : (*t| ) Grou pI : (1/ 2 yea r afte r promulgation ) . [Note;—wil l includ e BT Xunit s an

dth e origina l 1 3 HON sourc e categories. ] (•2-ii ) Grou pII : (3/ 4 vea r afte r promulgation ) . (3-iii ) Grou pIII : ( 1 vea r afte r promulgation ) . (4-iv ) Grou pIV : ( 1 1/ 4 year s afte r promulgation ) . (§v ) Grou pV : ( 1 1/ 2 year s afte r promulgation ) . (2 ) Th e owne r o r operato r o f anaffecte dproces s uni t i na late r grou p

ma y elec t t o appl y

th e applicabilit y

dat e o f a nearlie r group .P. 6



### Draf t 9/26/9 0 (c ) Th#-provision s nf

thi s subpar t appl y

(1/ 2 vea r afte r protililplp l llfp e fo i lowin g proces s unit s a s define di n§XX.X1 : (i ) Styrene/butadien a rubbe r production . (ii ) Polybutadien e production * (iii ) Neoprene/chloropren e production . (iv ) Chlorin e production . (v ) Pesticid e production . (vi ) Chlorinate dhydrocarbo nuse . (vii ) Pharmaceutica l production . (viii ) Miscellaneou s butadien e use . (e§ ) Whil e th e provision s o f thi s subpar t ar e effective , a sourc e t o whic hthi s subpar t applie s tha t i s als o subjec t t o th e provision s o f eithe r (i ) 4 0 CF RPar t 6 0 wil l be require dt o compl y onl y wit hth e provision s
o f thi s subpart , excep t fo r eac hpum pan dcompresso r equippe dwit ha dua l mechanica l sea l syste

m tha t i s i

nVO C service , o r (ii ) 4 0 CF RPar t 6 1 wil l b e require dt o compl y onl y wit hth e provision s
o f thi s subpart . §XX.X 1 Definitions . Al l term s use dinthi s subpar t shal l hav e th e meanin g give nthe m i nth e Act , inSubpar t A

o f Par t 61 , an

dinthi s sectio na s follows : "Batc hProcess " mean s a proces s i nwhic hth e equipmen t i s fed intermittentl y

o r discontinuously . Processin g the noccur s inthi s equipmen t afte r whic hth e equipmen t i s generall y emptied . Example s o f industrie s tha t
us e batc hproces s includ e pharmaceutica l manufacturin g an dpesticid e manufacturing .P. 7

Draf t 9/26/9 0
"Batc hproduct-proces s equipmen t train " mean s th e collectio no f equipmen t (e.g. , flangosconnectors , reactors , valves , pumps , etc. ) configure d
t o produc e a specifi c produc t o r intermediat e b y a batc hprocess . •Chlorinate d hydrocarbo nuse * mean s a proces s tha t produce s on e o r mor e

o f th e followin g product s usin g chloroform , carbo ntetrachloride , ethylen e dichloride , methylen e chlorid e o r tetrachloroethylene : chlorinate dparaffins , Hypalon* , OBf>tyi,3.-diisocyanate , polycarbonate , polysulfid e rubber * an d symmetrica l tetrachloropyridene . "Chlorin e production * mean s a proces s tha t use s carbo ntetrachlorid e a s

a diluen t fo r nitroge ntrichlorid e o r a s a scrubbin g liqui d t o recove r chlorin e fror

a th e liquefactio ntai l gas * "Closed-loo psystem " mean s a nenclose dsystem

tha t return s proces s flui d
t o th e proces s an

di s no t vente dt o th e atmospher e excep t throug ha closed ven t system . "Closed-ven t system " mean s a system tha t i s no t ope nt o atmospher e an d tha t i s compose do f piping , connections , and , i f necessary , flow-inducin g device s tha t transpor t ga s o r vapo r fro m a piec e o r piece s o f equipmen t t o a contro l devic e o r bac k int o th e process . "Connector " mean s flanged , screwed , o r othe r joine dfitting s use dt o

connec t two pip e line s o r a pip e lin e an da piec e o f equipment . A commo n connecto r i s a flange . Joine dfitting s welde dcompletel y aroun dth e circumferenc e o f th e interfac e ar e no t considere dconnector s fo r th e purpos e

o f thi s regulation . Fo r th e purpos e o f reportin g an drecordkeeping , connecto r

mean s flange djoine dfitting s tha t ar e no t inaccessible|he r glass | o r glass line da s describe din§XX.X2-13(i) .P. 8



### Draf t 9/26/9 0 "Contro l device " mean s a nenclose dcombustio ndevice , vapo r recover y syste m (includin g device s use dfo r temporar y recover y

an dultimat e disposal , suc ha s carbo nadsorption) , o r flare . "Doubl e bloc k an

dblee dsystem " mean s tw o bloc k valve s connecte di n serie s wit ha blee dvalv e o r lin e tha t ca nven t th e lin e betwee nth e tw o bloc k valves . "Equipment " mean s eac hpump , compressor , agitato r s-e-a-1-, pressur e relie f device , samplin g connectio nsystem , open-ende dvalv e o r line , valve , flang e o r e-ther-connector , produc t accumulato r vesse l i nVHA P service , instrumentatio n system , an

dan y contro l device s o r system s require db y thi s subpart . "Firs t attemp t a t repair " mean s t o tak e rapi dactio nfo r th e purpos e o f stoppin g o r reducin g leakag e o f organi c materia l t o atmospher e . "I nfood/medica l service " mean s tha t a piec e o f equipmen t i nVHA P servic e contact s a proces s strea m whos e purit y

i s regulate db

y th o Foodan

d Dru g Administrationuse dt o manufactur e a Foodan dDru g Administratio n regulate dproduc t wher e leakag e o f a barrie r flui dint o th e proces s stream woul dcaus e an

y o f th e following :
a ) A dilutio no f produc t qualit y s o tha t th e produc t woul dno t m|| | writte nspecifications , b ) A nexothermi c reactio nwhic hi s a safet y hazard , c ) The : 

### intende dreactio nt o b e slowe ddow no r stopped , o r d ) A nundesire dsid e reactio nt o occur . "I ngas/vapo r service " mean s tha t a piec e o f equipmen t i nVHA P servic e contain s a ga s o r vapo r a t operatin g conditions .P. 9

Draf t 9/26/9 0
"I nheav y liqui dservice " mean s tha t a piec e o f equipmen t i nVHA P servicer s no t i ngas/vapo r servic e o r inligh t liqui dservice . "I nligh t liqui dservice " mean s tha t a piec e o f equipmen t inVHA P servic e contain s a liqui dtha t meet s th e followin g conditions : (a ) Th e vapo r pressur e o f on e o r mor e o f th e VHAP s component s i s greate r tha n0. 3 kilopascal s (kPa ) a t 20°C ; (b ) Th e tota l concentratio no f th e pur e |||||component s havin g a vapo r pressur e greate r tha n0. 3 kP a a t 20° C i s equa l t o o r greate r tha n2 0 percen t b y weight ; an

d (c ) Th e flui di s a liqui da t operatin g conditions . [Note : Vapo r pressure s may be determine dby

th e method s describe di n §60_.485(e)(1)."[obtaine d fro m standar dreferenc e text s o r may b e determine db

y AST M D 287 9 (incorporate db y roforenc e a s specifie di n§60.17). ]
"I nliqui dservice " mean s tha t a piec e o f equipmen t i nVHA P servic e i s

no t ingas/vapo r service . "In-sit usamplin g systems " mean s nonextractiv e sampler s o r in-lin e samplers . "Instrumentatio nsystem " mean s a grou po f component s use dt o conditio n

an dconve y a sampl e o f th e proces s flui dt o analyser s an dinstrument s fo r th e purpos e o f determinin g proces s operatin g condition s (e.g. , composition , pressure , flow , etc.) . Valve s an dconnector s ar e th e predominan t typ e o f
componen t eguipmen t use di ninstrumentatio nsystems : however , othe r type s o f component s equipmen t may als o b e include dinthes e systems . Onl y system s tha t consis t o f componontsvalve s an dconnector s 0. 5 inche s an dsmalle r i

ndiamete r

ar e considere dinstrumentatio nsystem s fo r th e purpose s o f thi s subpart .P.1 0

Draf t 9/26/9 0 

### Valve s andconnector s greate r tha n0. 5 inche s associate dsit hinstrumentatio n system s ar e no t considere dpar t o f instrumentatio nsystem s andmus t b e monitore dindividually . "I nvacuu

m service " mean s tha t equipmen t i s operatin g a t a ninterna l
pressur e whic hi s a t leas t 5 kilopascal s (kPa | below ambien t pressure . "I nVHA P service " mean s tha t a piec e o f equipmen t eithe r contain s o r contact s a flui d(liqui do r gas ) tha t i s a t leas t 5 percen t b y weigh t a hazardou s ai r pollutan t (VHAP ) a s determine daccordin g t o th e provision s o f §XX.X5(d) . Th e provision s o f §XX.X5(d ) als o specif y how t o determin e tha t a piec e o f equipmen t i s no t i nVHA P service . "I nVO C service " means , fo r th e purpose s o f thi s subpart , tha t (a ) th e piec e o f equipmen t contain s o r contact s a proces s flui dtha t i s a t leas t 1 0
percen t VO C b

y weigh t (se e 4 0 CF R60. 2 fo r th e definitio no f volatil e organi c compoun do r VO C an

d4 0 CF R60.485(d ) t o determin e whethe r a piec e o f equipmen t i s no t i nVO C service ) an d(b ) th e piec e o f equipmen t i s no t inheav y liqui d servic e a s define din4 0 CF R60.481 . "Liquid s dripping " mean s an y visibl e leakag e fro

m th e sea l includin g dripping , spraying , misting , clouding , an dic e formation . Indication s o f liqui ddrippin g includ e puddlin g nt stain s tha t ar e indicativ e o f a n 

### evaporate ddrip . "Maifunction " mean s an y sudde nan

dunavoidabl e failur e o f ai r pollutio n contro l equipmen t oy

proces s equipmen t o r o f a proces s t o operat e ina norma l

o r usua l manner.—Failure s tha t ar e cause dentirel y o r inpar t b

y poo r maintenance , careles s operation , o r an y othe r preventabl e upse t conditio no r preventabl e equipmen t breakdow nshal l no t be considere dmalfunctions .

S2 HP.1 1



### Draf t 9/26/9 0

H 

### #i$cel$l»eou $ butadien e use * mean s a proces s tha t produce s on e o r mor e
o f th e followin g butadien e products ; tetrahydrophtali c andydrid e [THPA] , methylmethacrylate-butadieri e styren e [MBS ] resins , Captan* , Captafol R 

### , 1,4 - hexadiene , adipenitrile , dodecanedioni c acid , butadiene-furfura l cotrimer , methylmethacrylat e acrylonitrile-butadien e styren e fHABS ] resins , an d ethyliden e norbornene . "Neoprene/Chloropren e production " mean s a proces s tha t produce s chloropren e throug hth e chlorinatio no f 1,3-butadien e an dsubsequentl y polymerize s th e chloropren e t o manufactur e polychloroprene/neoprene . Facilitie s tha t produc e neopren e startin g fro m chloropren e ar e no t include din thi s sourc e category . "Nonrepairable " mean s tha t i t i s technicall y infeasibl e t o repai r a piec e o f equipmen t -#er||$ $ whic hI leak * ha|v e beendetecte dwithou t a proces s uni t shutdown . "Open-ende dvalv e o r line " mean s an y valve , excep t pressur e relie f valves , havin g on e sid e o f th e valv e sea t incontac t wit hproces s flui dan d
on e sid e ope nt o atmosphere , eithe r directl y o r through , ope npiping . "Pesticid e production " mean s a proces s tha t use s on e o r mor e o f th e followin g chemical s a s a reactan t o r a processin g ai di nth e synthesi s o f a pesticid e Intermediat e o r product ; carbo ntetrachloride , ethylen e dichloride f
an dmethylen e -chloride . "Pharmaceutica l production * mean s a proces s tha t synthesize s pharmaceutica l intermediat e o r fina l product s usin g carbo ntetrachlorid e o r methylen e chlorid e a s a reactan t o r proces s solvent .P.1 2



### Draf t 9/26/9 0 "Polybutadien e production " mean s a proces s tha t produce s polybutadien e throug hth e "polymerizationo f 1,3-butadiene * "Polymerizin g monomer " mean s a molecul e o r compoun dusuall y containin g carbo nan do f relativel y lo w molecula r weigh t an

dsimpl e structur e (e.g. , hydroge ncyanide , acrylonitrile , styrene) , whic hi s capabl e o f conversio nt o polymers , syntheti c resin s o r elastomer s b y combinatio nwit hitsel f du e t o hea t generatio ncause db y a pum pmechanica l sea l surface , contaminatio nby a
sea l flui d(e.g. , organi c peroxide s o r chemical s tha t wil l for m organi c peroxides) , o r a combinatio no f bot hwit hth e resultan t polyme r buildu p causin g rapi dmechanica l sea l failure . "Pressur e release " mean s th e emissio no f material s resultin g fro m th e syste m pressur e bein g greate r tha nth e se t pressur e o f th e pressur e relie f device . "Proces s unit " mean s equipmen t assemble dt o tha t use s o r produce ! a VHAP

o r it s derivative s a s intermediate s o r fina l products , o r equipmen t assemble d t o us o a s a reactan t a VHA P i ntho productio no f a product.— A proces s uni t
canoperat e independentl y i f supplie dwit hsufficien t foodo r ra w material s
an dsufficien t produc t storag e facilities. , an di s liste di n§XX.X0(b ) an d (c) . Fo r th e purpos e o f thi s regulation , proces s uni t include s al l eguipmen f associate dwit hth e uni t proces s operatio n(e.g. , reactors , distillation , etc.) , storage , an dtransfe r o f fee dmateria l an dfina l o r intermediat e product , an dwastewate r operations , "Proces s uni t shutdown " mean s a wor k practic e o r operationa l procedur e tha t stop s productio nfro a a proces s uni t o r par t o f a proces s uni t durin g |i|| hresult s i

nclearin g o f al l proces s materia l ca nb e cleare dfro m a

8P.1 3

Draf t 9/26/9 0
proces s uni t o r par t o f a proces s uni t consisten t wit hsafet y constraint s an

d durin g whic hrepair s ca nb e effected . A nunschedule dwor k practic e o r operationa l procedur e tha t stop s productio nfrom a proces s uni t o r par t o f a proces s uni t fo r les s tha n2 4 hour s i s no t a proces s uni t shutdown . Th e us e

o f spar e equipmen t an dtechnicall y

feasibl e bypassin g o f equipmen t withou t stoppin g productio nar e no t proces s uni t shutdowns . "Produc t accumulato r vessel " mean s an y distillat e receiver , bottom s receiver , surg e contro l vessel , o r produc t separato r inVHA P servic e tha t i s vente dt o th e atmospher e eithe r directl y withou t firs t goin g throug ha Q pressur e relie f devic e o r throug ha vacuum producin g syste m

. A produc t accumulato r vesse l i s inVHA P servic e i f th e liqui do r th e vapo r inth e vesse l i s a t leas t 5 percen t b y weigh t VHAP . "Repaired " mean s tha t equipmen t i s adjusted , o r otherwis e altered , t o eliminat e a lea k a s define dinth e appropriat e |||||l||l||||section s o f thi s subpart . "Semiannual " mean s a 6-mont hperiod ; th e firs t semiannua l perio d conclude s onth e las t da y o f th e las t mont hdurin g th e 18 0 calenda r day s followin g initia l startu pfo r ne w sources ; an

dth e firs t semiannua l perio d conclude s onth e las t da y o f th e las t mont hdurin g th e 18 0 calenda r day s afte r th e effectiv e dat e o f a specifi c subpar t tha t reference s thi s subpar t fo r existin g source s unles s a nearlie r mont hi s designate dby th e owne r o r 

# IIIIIIII

- "Sensor " mean s a devic e tha t measure s a physica l quantit y o r th e chang e ina physica l quantity , suc ha s temperature , pressure , flow rate , pH , o r liqui dlevel . • • •
9P. M

Draf t 9/26/9 0 

### "Shutdown * {o f a contro l device ) mean s th e cessatio no f operatio no f a lilp.ro ! devic e fo r an

y reason . "Startup " mean s th e settin g i noperatio no f a proces s uni t o r contro l devic e fo r an

y purpose . "Styrene-butadien e rubbe r production * mean s a proces s that , produce s |||rene-butadien e copolymers , whethe r i nsoli d(elastomer ) o r emulsio n(latex )

"Volatil e hazardou s ai r pollutant " o r "VHAP " mean s a substanc e liste d i n Appendi x$XX.X8- I
. §XX.X2- 1 Standards : General . (a ) Eac howne r o r operato r subjec t t o th e provision s o f thi s subpar t shal l demonstrat e complianc e wit hth e requirement s o f §XX.X2- 1 t o §XX.X2-1 3 fo r eac hne w

an dexistin g sourc e a s require di n4 0 CF R61.05 , excep t a s provide din§XX.X 3 an d§XX.X4 . (b ) Complianc e wit hthi s subpar t wil l be determine db y revie w o f records , revie w

o f performanc e tes t results , an d inspectio nusin g th e method s

an dprocedure s specifie di n§XX.X5 . (c)(1 ) A nowne r o r operato r ma y reques t a determinatio no f alternativ e

mean s o f emissio nlimitatio nt o th e requirement s o f §XX.X2-2 , §XX.X2-3 , §XX.X2-5 , §XX.X2-6 , §XX.X2-7 , §XX.X2-8 , §XX.X2-9 , §XX.X2-11 , §XX.X2-12 , an d §XX.X2-1 3 a s provide di n§XX.X4 . (2 ) I f th e Administrato r make s a determinatio ntha t a mean s o f emissio n limitatio ni s a t leas t a permissibl e alternativ e t o th e requirement s o f §XX.X2-2 , §XX.X2-3 , §XX.X2-5 , §XX.X2-6 , §XX.X2-7 , §XX.X2-8 , §XX.X2-9 ,



### 1 0P.1 5

Draf t 9/26/9 0 §XX.X2-11 , §XX.X2-12 , o r §XX.X2-13 , th e owne r o r operato r shal l compl y wit h th e requirement s o f tha t determination . (d ) Eac hpiec e o f equipmen t ina proces s uni t t o whic hthi s subpar t applie s shal l b e identifie db y proces s uni t suc htha t i t ca nb e distinguishe d readil y fro m equipmen t tha t i s no t subjec t t o thi s subpart . Identificatio no f th e equipmen t doe s no t requir e physica l taggin g o f th e equipment . Fo r example , th e equipmen t ma y b e identifie dona plan t sit e plan , i nlo g entries ,
o r b y designatio no f proces s uni t boundarie s b y some form

o f weatherproo f identification . (e ) Equipmen t tha t i s i nvacuum servic e i s exclude dfrom th e requirement s o f §XX.X2- 2 t o §XX.X2-1 3 i f i t i s identifie da s require din §XX.X6(b)(5) . (f ) Equipmen t tha t i s inVHA P servic e les s tha n30 0 hour s pe r calenda r yea r i s exclude dfro

m th e requirement s o f §XX.X2- 2 t o §XX.X2-1 3 an d§XX.X4- 2 i f i t i s identifie da s require din§XX.X6(b)(|) . (g ) Th o provision s o f thi s subpar t appl y t o eac htyp e proces s uni t liste dinAppendi xSXX.X &

_ _onl y onan dafte r th e applicabilit y dat o fo r it s specifie dgrou pa s identifo di n§XX.X0(b) . 

### (g ) A t al l times , owner s an doperator s shall , t o th e exten t practicable , maintai nan doperat e my

proces s uni t an

dits.equipmen t includin g associate d ai r pollutio ncontro l eguipmen t ina manne r consisten t wit hgoo dai r pollutio n contro l practic e fo r minimisin g emissions . Determinatio no f whethe r acceptabl e operatio nan

dmaintenanc e procedure s ar e bein g use dwil l b e base d
o ninformatio navailabl e t o th e Administrato r whic hma y include , bu t i s no t

1 1

### Draf t 9/26/9 0

limite dto , Sto*ittorin

g results , revie w

o f operatio nan dmaintenanc e procedures , an dinspectio no f th e source . (h ) Th e provision s for-existin g proces s unit s appl y t o proces s unit s tha t commence dconstruction , reconstruction , o r modificatio nbefor e rdateil i proposa l i nth e FEDERA L RE&ISTER 1 ; th e provision s fo r ne w proces s unit s appl y t e unit s th e construction , reconstruction , o r modificatio no f whic h

commence s o no r afte r fdat e o f proposa l i nth e FEDSM t REGISTER ! . §XX.X2- 2 Standards : Pump s i nligh t liqui dservice . (a ) Th e provision s o f thi s sectio nappl y t o eac hpum

pinVHA P servic e tha t i s inligh t liqui dservice . (1 ) Th e provision s ar e implemente donth e specifie dapplicabilit y date s describe ddesignate din§XX.X0(b ) fo r existin g an dnew proces s unit s inth e sequentia l stage s phase s specifie dbelow : (i ) Fo r eac hgrou po f existin g proces s units , th e phase s o f th e standar d

are : (A ) Phas e I , beginnin g o nth e applicabilit y

date ; (B ) Phas e II , beginnin g 1 yea r afte r th e applicabilit y date , an

d (C ) Phas e III , beginnin g 2 1/ 2 year s afte r th e applicabilit y date , (ii ) Fo r new

proces s units , th e applicabl e phase s o f th e standar dare : (A ) A*-4*inety

day s afte r th e beginnin g o f initia l startu po r ninet y day s afte r (promulgatio ndate ) . whicheve r i s later , compl y wit hth e Phas e I I requirements . (B ) Beginnin g 1 yea r afte r startup , compl y wit hth e Phas e II I requirements .

1 2Draf t 9/26/9 0 (2 ) Th e owne r o r operato r o f a naffecte dproces s uni t ma y elec t t o mee t th e requirement s o f a late r phas e durin g th e time perio d specifie dfo r a n earlie r phase . (3 ) Th e provision s fo r existin g proces s unit s appl y t o proces s unit s tha t commence dconstruction ^ rccenM-Hi-ci-iftfl; . ot * fitadif ica t io nbefor e Tdat o o- f
proposa l i nth o R&ERA L REGISTER ! . th e provision s fo r new proces s unit s appl y t o unit s th e construction , reconstructfort y o r modificatio no f whic h

commence s ono r afte r fdat e o f proposa l inth e FEDERAL REGISTER ! . (b)|| | Th e owne r o r operato r o f a naffecte dproces s uni t shal l monito r

eac hpum pinVHA P servic e monthl y t o detec t leak s b

y th e metho dspecifie di n |l||15ppan d shal l compl y wit hth e requirement s o f paragraph s (a ) through-fe }

an d(d ) o f thi s section , excep t a s provide di n|XX.X2-l(c ) an dparagraph s (e) T (f) , an d(g)throug h(h ) o f thi s section . (1 ) Th e pump s shal l b e monitore dt o detec t leak s b y th e metho dspecifie d i n§XX.X5(b) . (2 ) Th e instrumen t readin g tha t define s a lea k i neac hPhas e o f th e standar dis : (i ) Fo r phas e I , a

ninstrumen t readin g o f 10,00 0 pp m o r greater , (ii ) Fo r phas e II , a

ninstrumen t readin g o f 5,00 0 pp m o r greater , (iii ) Fo r phas e III , a ninstrumen t readin g o f (A ) 5,00 0 pp

m o r greate r fo r pump s handlin g polymerizin g monomers , (B ) 2,00 0 pp

m o r greate r fo r pump s infood/medica l service , an d (C ) 1,00 0 pp

m o r greate r fo r al l othe r pumps .



### 1 3

B UDraf t 9/26/9 0 (3 ) Eac hpum

pshal l b e checke db y visua l inspectio neac hcalenda r wee k fo r indication s o f liquid s drippin g fro m th e pum pseal . I f ther e ar e indication s o f liquid s drippin g fro m th e pum pseal , a lea k i s detected . (c)(1 ) Eac hmonitore dpum pwit ha

ninstrumen t readin g o f 2,00 0 pp m o r greater , o r 5,00 0 pp

m o r greate r fo r polymerizin g monome r pumps , Whe na lea k i s detected , i t shal l b e repaire da s soo na s practicable , bu t no t late r tha n 1 5 calenda r day s afte r i t i s detected , excep t a s provide dinparagrap h(c)(3 )

o f thi s sectio no r §XX.X2-10 . (2 ) A firs t attemp t a t repai r shal l be mad e n o late r tha n5 calenda r day s afte r th e trigge r leve l i n(c)(1 ) lea k i s detected . (3 ) Fo r pump s i nPhas e II I t o whic ha 1,00 0 pp m lea k definitio napplies , repai r i s no t require dunles s aninstrumen t readin g o f 2,00 0 ppm o r greate r i s detected . (d)(1 ) Th e owne r o r operato r shal l decid e no late r tha nth e firs t monitorin g perio dwhethe r t o calculat e percen t leakin g pump s o na proces s uni t basi s o r o

na facilit y

(al l proces s unit s subjec t t o th e rul e a t a plan t site ) basis . Onc e th e owne r o r operato r ha s decided , al l subsequen t percen t calculation s shal l b e mad e onth e same basis . (2 ) I nPhas e III , if , calculate do na 6-mont hrollin g average , th e greate r o f eithe r 1 0 percen t o f th e pump s ina proces s uni t (o r facility ) o r 3
pump s i na proces s uni t (o r facility ) leak , th e owne r o r operato r shal l implemen t a qualit y

improvemen t program

fo r pump s tha t complie s wit hth e requirement s o f §XX.X3-2f)- . (3 ) Th e numbe r o f pump s a t a proces s uni t (o r facility ) shal l b e th e su m

o f al l th e pump s i nVHA P service , excep t tha t pump s foundleakin g ina

1 4



### ia !P.1 9

Draf t 9/26/9 0 continuou s proces s uni t withi n1 mont hafte r 4-t-s-startu p shal l no t coun t i

n th e percen t leakin g pump s calculatio nfo r tha t monitorin g period . (4 ) Percen t leakin g pump s shal l b e determine db y th e followin g equation : % P L - ((P i - Ps)/(P . " Ps) ) X10 0 wher e %P L = percen t leakin g pump s P L = numbe r o f pump s foundleakin g a s determine dthroug hmonthl y monitorin g a s determine db y th e metho di n§XX.X5(b ) P T = Tota l pump s monitore di nVHA P service , includin g thos e meetin g th e criteri a i nparagraph s (e ) and (f ) o f thi s sectio n P s = numbe r o f pump s leakin g withi n1 mont ho f startu p (e ) Eac hpum

pequippe dwit ha dua l mechanica l sea l system tha t include s

a barrie r flui dsystem i s exemp t fro

m th e requirement s o f paragrap h(b ) o f thi s section , provide dth e followin g requirement s ar e met : (1 ) Eac hdua l mechanica l sea l system is : (i ) Operate dwit hth e barrie r flui da t a pressur e tha t i s a t al l time s greate r tha nth e pum

pstuffin g bo xpressure ; o r (ii ) Equippe dwit ha barrie r flui ddegassin g reservoi r tha t i s connecte d b y a closed-ven t system t o a contro l devic e tha t complie s wit hth e requirement s o f §XX.X2-11 ; o r (iii ) Equippe dwit ha closed-loo psystem tha t purge s th e barrie r flui d int o a proces s stream . (2 ) Th e barrie r flui di s no t inlight-liqui dVHA P servic e . (3 ) Eac hbarrie r flui dsystem i s equippe dwit ha senso r tha t wil l detec t failur e o f th e sea l system , th e barrie r flui dsystem , o r both .

1 5

______y________^,__l____

_P.2 0

Draf t 9/26/9 0 (4 ) Eac hpum

pi s checke db

y visua l inspectio neac hcalenda r wee k fo r indication s o f liquid s drippin g fro m th e pum

pseal . (i ) I f ther e ar e indication s o f liqui ddrippin g fro m th e pum

psea l a t th e time o f th e weekl y inspection , th e pum pshal l b e monitore da s specifie din §XX.X5(b ) t o determin e th e presenc e o f VHA P inth e barrie r fluid . (ii ) I f a

ninstrumen t readin g o f 1,00 0 pp m o r greate r i s measured , a lea k i s detected . (5 ) Eac hsenso r a s describe dinparagrap h(e)(3 ) o f thi s sectio ni s observe ddail y

o r i s equippe dwit ha nalarm unles s th e pum

pi s locate dwithi n th e boundar y

on f anunmanne dplan t site . (6)(i ) Th e owne r o r operato r determines , base dondesig nconsideration s

an doperatin g experience , criteri a applicabl e t o th e presenc e an dfrequenc y

o f drip s an dt o th e senso r tha t indicate s failur e o f th e sea l system , th e barrie r flui dsystem , o r both . (ii ) I f indication s o f liquid s drippin g fro m th e pum

psea l excee dth e criteri a establishe dinparagrap h(6)(i) , o r if , base do nth e criteri a establishe dinparagrap h(6)(i) , th e senso r indicate s failur e o f th e sea l system , th e barrie r flui dsystem , o r both , a lea k i s detected . (iii ) Whe na lea k i s detected , i t shal l b e repaire da s soo na s practicable , bu t no t late r tha n1 5 calenda r day s afte r i t i s detected , excep t

a s provide di n§XX.X2-10 . (iv ) A firs t attemp t a t repai r shal l b e mad e n o late r tha n5 calenda r day s afte r eac hlea k i s detected .



### 1 6P.2 1



### Draf t 9/26/9 0 (f ) Anylrtita p tha t i s designe d wit h n o externall yactuate d shaf t penetratin g th e pum

phousin g is,exemp t from paragraph s (b)(1 ) an d (2 ) o f thi s section * (ff ) £f-An y

pum p4-s-equipped wit ha closed-ven t system capabl e o f capturin g an

d transportin g an

y leakag e fro

m th e sea l o r seal s t o a contro l devic e tha t complie s wit hth e requirement s o f §XX.X2-ll-**—4- t i s exemp t fro m th e requirement s o f paragraph s (b)-(e) . (§! ) Any

pum ptha t i s locate dwithi nth e boundar y o f a n unmanne dplan t sit e i s exemp t fro

m th e weekl y

visua l inspectio nrequiremen t o f paragraph s (b)(3 ) an

d (e)(4 ) o f thi s section , an d th e dail y

requirement s o f paragrap h (e)(5 ) o f thi s section , provide dtha t eac hpum pi s visuall y

inspecte da s ofte n

a s practicabl e an

d a t leas t monthly . §XX.X2- 3 Standards : Compressors . (a ) Eac hcompresso r shal l b e equippe dwit ha sea l system tha t include s a barrie r flui dsystem

an d tha t prevent s leakag e o f proces s flui dt o atmosphere , excep t a s provide din §XX.X2-l(c ) an d paragraph s (h ) an

d (i ) o f thi s section . (b ) Eac hcompresso r sea l system a s require din paragrap h(a ) shal l be : (1 ) Operate dwit hth e barrie r flui da t a pressur e tha t i s greate r tha n th e compresso r stuffin g bo xpressure ; o r (2 ) Equippe dwit ha barrie r flui dsystem tha t i s connecte db y a closed-ven t syste m

t o a contro l devic e tha t complie s wit hth e requirement s o f §XX.X2-11 ; o r (3 ) Equippe dwit ha closed-loo psystem tha t purge s th e barrie r flui d directl y int o a proces s stream . (c ) Th e barrie r flui dshal l no t b e i n VHA P servic e .
1 7Draf t 9/26/9 0 (d ) Eac hbarrie r flui dsystem a s describe dinparagraph s (a ) throug h(c )

o f thi s sectio nshal l be equippe dwit ha senso r tha t wil l detec t failur e o f th e sea l system , barrie r flui dsystem , o r both . (e)(1 ) Eac hsenso r a s require dinparagrap h(d ) shal l be checkedobserve d dail y o r shal l b e equippe dwit ha naudibl e alar m

unles s th e compresso r i s locate dwithi nth e boundar y o-a l a nunmanne dplan t site . (2 ) Th e owne r o r operato r shal l determine , base dondesig n consideration s an

doperatin g experience , a criterio ntha t indicate s failur e o f th e sea l system , th e barrie r flui dsystem , o r both . (f ) I f th e senso r indicate s failur e o f th e sea l system , th e barrie r flui dsystem , o r bot hbase do nth e criterio ndetermine dunde r paragrap h(e)(2 )

o f thi s section , a lea k i s detected . (g)(1 ) Whe na lea k i s detected , i t shal l b e repaire da s soo na s practicable , bu t no t late r tha n1 5 calenda r day s afte r i t i s detected , excep t

a s provide di

n§XX.X2-10 . (2 ) A firs t attemp t a t repai r shal l be mad e no late r tha n5 calenda r day s afte r eac hlea k i s detected . (h ) A compresso r i s exemp t fro m th e requirement s o f paragraph s (a ) an d (b ) o f thi s sectio ni f i t i s equippe d wit ha closed-ven t system capabl e o f capturin g an

dtransportin g an

y leakag e fro

m th e sea l t o a contro l devic e tha t complie s wit hth e requirement s o f §XX.X2-11 , excep t a s provide di nparagrap h (i) . (i ) Any

compresso r tha t i $ designated , a s describe di n§XX.X6(b)(2 ) t o operate da s indicate db y a ninstrumen t readin g o f les s tha nSO O pp m abov e



### 1 8Draf t 9/26/9 0

backgroun di s exemp t fro m th e requirement s o f paragraph s (a ) throug h(h ) o f thi s sectio ni f th e compressor : (1 ) I s demonstrate dt o b e operatin g wit ha ninstrumen t readin g o f les s tha n50 0 pp

m abov e background , a s measure db y th e metho d specifie din §XX.X5(c) ; an

d (2 ) I s teste dfo r complianc e wit hparagrap h(i)(l ) initiall y upo n designation , annually , an da t othe r time s requeste db y th e Administrator . §XX.X2- 4 Standards : Pressur e relie f device s i ngas/vapo r service . (a ) Excep t durin g pressur e releases , eac hpressur e relie f devic e in gas/vapo r servic e shal l b e operate dwit ha ninstrumen t readin g o f les s tha n 50 0 pp m above background , a s measure db y th e metho dspecifie din§XX.X5(c) . (b)(1 ) Afte r eac hpressur e release , th e pressur e relie f devic e shal l be returne d t o a conditio nindicate db y a ninstrumen t readin g o f les s tha n50 0
pp m abov e background , a s soona s practicable , bu t n o late r tha n5 calenda r day s afte r eac hpressur e release , excep t a s provide di n§XX.X2-10 . (2 ) No late r tha n5 calenda r day s afte r th e pressur e release , th e pressur e relie f devic e shal l b e monitore dt o confirm th e conditio nindicate d b y a ninstrumen t readin g o f les s tha n50 0 pp m abov e background , a s measure db y th e metho dspecifie din§XX.X5(c) . (c ) Any pressur e relie f devic e tha t i s equippe dwit ha closed-ven t system capabl e o f capturin g an dtransportin g leakag e fro m th e pressur e relie f devic e t o a contro l devic e a s describe din§XX.X2-1 1 i s exemp t fro m th e requirement s o f paragraph s (a ) an d(b ) o f thi s section . §XX.X2- 5 Standards : Samplin g connectio nsystems .



### 1 9P.2 4

Draf t 9/26/9 0 (a ) Eac hsamplin g connectio nsystem shal l b e equippe dwit ha closed-purg e system

o r close dven t system , excep t a s provide din§XX.X2-l(c) . (b ) Eac hclosed-purg e system o r close dven t system a s require di n paragrap h(a ) shall : (1 ) Retur nth e purge dproces s flui ddirectl y t o th e proces s lin e ; o r (2 ) Collec t an

drecycl e th e purge dproces s flui d; o r (3 ) B e designe dan

doperatedt o captur e an dtranspor t al l th e purge d
proces s flui dt o a contro l devic e tha t complie s wit hth e requirement s o f §XX.X2-11 . (c ) In-sit usamplin g system s ar e exemp t fro m th e requirement s o f paragraph s (a ) and(b) . §XX.X2- 6 Standards : Open-ende dvalve s o r lines . (a)(1 ) Eac hopen-ende dvalv e o r lin e shall-b e equippe dwit ha cap , blind flange , plug , o r a secon dvalve , excep t a s provide di n§XX.X2-l(c) . (2 ) Th e cap , blin dflange , plug , o r secondvalv e shal l sea l th e ope nen d

a t al l time s excep t durin g operation s requirin g proces s flui dflow throug hth e open-ende dvalv e o r lin e o r durin g maintenanc e o r repair . (b ) Eac hopen-ende dvalv e o r lin e equippe dwit ha secon dvalv e shal l b e operate dina manne r suc htha t th e valv e o nth e proces s flui dendi s close d befor e th e secon dvalv e i s closed . (c ) Whe na doubl e bloc k an dblee dsystem

i s bein g used , th e blee dvalv e

o r lin e ma y

remai nope ndurin g operation s tha t requir e ventin g th e lin e betwee nth e bloc k valve s bu t shal l compl y wit hparagrap h(a ) o f thi s sectio n

a t al l othe r times . IXX.X2- 7 Standards : Valve s i ngas/vapo r servic e andi nligh t liqui dservice .

2 0

_ •P.2 5

Draf t 9/26/9 0 (a ) Th e provision s o f thi s sectio nappl y t o valve s inVHA P servic e tha t

ar e eithe r i nga s servic e o r inligh t liqui dservice . (1 ) Th e provision s ar e implemente donth e specifie dapplicabilit y date s describe ddesignate din§XX.X0(b ) fo r existin g an dnew proces s unit s inth e sequentia l stage s phase s specifie d below : (i ) Fo r grou po f existin g proces s units , th e phase s o f th e standar dare : (A ) Phas e I , beginnin g o nth e applicabilit y

date ; (B ) Phas e II , beginnin g 1 yea r afte r th e applicabilit y date ; an

d (C ) Phas e III , beginnin g 2 1/ 2 year s afte r th e applicabilit y date , (ii ) Fo r ne w

proces s units , th e applicabl e phase s o f th e standar dare : (A ) At-Ninet y

day s afte r th e beginnin g o f initia l startu po r ninet y day s afte r promulgation , whicherve r i s later , compl y wit hth e Phas e I I requirements . (B ) Beginnin g 1 yea r afte r startup , compl y wit hth e Phas e II I requirements . (2 ) Th e owne r o r operato r o f a naffecte dproces s uni t ma y elec t t o mee t th e requirement s o f a late r phas e durin g th e time perio d specifie d fo r a n earlie r phase . (b ) Th e owne r o r operato r o f a naffecte d proces s uni t shal l monito r al l valve s i nVHA P service , excep t a s provide di n§§XX,X2-l(c) , an d(h ) an

d(i ) o f this ' section , a t th e interval s specifie di nparagraph s (c ) and(d ) o f thi s sectio nan

dshal l compl y

wit hparagraph s (e ) throug h(1 ) al l othe r provision s

o f thi s section , excep t a s provide din§XX.X2-10 , a*d-§XX.X4-1 , §XX.X4-2 , an d §XX.X4-3 .



### 2 1P.2 6

Draf t 9/26/9 0 (1 ) Th e valve s shal l b e monitore d t o detec t leak s b y th e metho d specifie din§XX.X5(b) . (2 ) Th e instrumen t readin g tha t define s a lea k ineac hPhas e o f th e standar dis : (i ) Fo r phas e I , a

ninstrumen t readin g o f 10,00 0 pp m o r greater , (ii ) Fo r phas e II , a

ninstrumen t readin g o f 50 0 pp m o r greater , (iii ) Fo r phas e III , a ninstrumen t readin g o f 50 0 pp m o r greater . (c ) I nPhase s I an

dII , eac hvalv e shal l be monitore d quarterly . (d ) InPhas e III , th e owne r o r operato r shal l monito r valve s fo r leak s

a t th e interval s specifie dbelow : (1 ) A t proces s unit s wit h2 percen t o r greate r leakin g valves , calculate da s a rollin g averag e o f 2 consecutiv e periods , th e owne r o r operato r shal l either : (i ) monito r eac hvalve.onc e pe r month ; o r (ii ) Withi nth e firs t yea r afte r th e onse t o f Phas e III , implemen t a qualit y improvemen t program fo r valve s tha t complie s wit hth e requirement s o f §XX.X3-1 . (2 ) A t proces s unit s wit hles s tha n2 percen t leakin g valves , th e owne r

o r operato r shal l monito r eac hvalv e inVHA P servic e onc e eac hquarter , excep t

a s provide dinth e followin g paragraph s (3 ) an d(4) . (3 ) A t proces s unit s wit hles s tha n1 percen t leakin g valves , th e owne r

o r operato r ma y

elec t t o monito r eac hvalv e inVHA P servic e onc e ever y 2 quarters .



### 2 2P.2 7



### Draf t 9/26/9 0 (4 ) A t proces s unit s wit hles s tha n0. 5 percen t leakin g valves , th e
owne r o r operato r ma y

elec t t o monito r eac hvalv e i nVHA P servic e onc e every 4 quarters . (e)(1 ) Percen t leakin g valve s a t a proces s uni t shal l b e determine db y th e followin g equation : %V L 

### = (V

L 

### /(VT 

### + V c 

### ) j X10 0 wher e %VL 

### = percen t leakin g valve s V L 

### = numbe r o f valve s foundleakin g excludin g nonrepairable s a s provide d i nparagrap h(jc ) o f thi s sectio n V T 

### = Tota l valve s monitore d Vc 

### = Credi t fo r remove dvalve s = 0.6 7 X$§§§numbe r o f valve s i nVHA P servic e remove dfro

m proces s uni t afte r (dat e o f proposal ) (2 ) Fo r us e i

ndeterminin g monitorin g frequency , a s specifie di n paragrap h(d ) o f thi s section , th e percen t leakin g valve s shal l be calculate d

a s a rollin g averag e o f 2 consecutiv e monitorin g period s fo r monthly , quarterly , o r semiannua l monitorin g programs ; an da s a naverag e o f an

y 3 ou t
o f 4 consecutiv e monitorin g period s fo r annua l monitorin g programs . (3)(i ) Nonrepairabl e valve s shal l b e include dinth e calculatio no f percen t leakin g valve s th e firs t tim e th e valv e i s identifie da s leakin g an d nonrepairabl e an

da s require dt o compl y wit hparagrap h(e)(3)(ii ) o f thi s section . Otherwise , a numbe r o f nonrepairabl e valve s (identifie dan dinclude d inth e percen t leakin g calculatio ni na previou s period ) u pt o a maximu m o f 1 percen t o f th e tota l numbe r o f valve s i nVHA P servic e a t a proces s uni t ma y b e

2 3P.2 8

Draf t 9/26/9 0 exclude dfrm

calculatio no f percen t leakin g valve s fo r subseguen t monitorin g 

## Illlllll (ii ) I f th e numbe r o f nonrepairabl e valve s exceed s 1 percent o f th e tota l numbe r o f valve s i nVHA P servic e a t a proces s unit , th e numbe r o f nonrepairabl e valve s exceedin g 1 percen t o f th e tota l numbe r o f valve s i nVHA P servic e shal l be include di nth e calculatio no f percen t leakin g valves . (f)(1 ) Whe na lea k i s detected , i t shal l b e repaire da s soo na s practicable , bu t no late r tha n1 5 calenda r day s afte r th e lea k i s detected , excep t a s provide din§XX.X2-10 . (2 ) A firs t attemp t a t repai r shal l b e mad e no late r tha n5 calenda r day s afte r eac hlea k i s detected . (3 ) Whe na lea k i s detectodrepaired , th e valv e shal l b e monitore da t leas t onc e wit hwithi nth e nex t quarterthre e month s afte r it s repair . (g ) Firs t attempt s at repai r include , bu t ar e no t limite dto , th e followin g practice s wher e practicable : (1 ) Tightenin g o f bonne t bolts ; (2 ) Replacemen t o f bonne t bolts ; (3 ) Tightenin g o f packin g glan dnuts ; an d (4 ) Injectio no f lubrican t int o lubricate dpacking . (h ) Any valv e tha t i s designated , a s describe din§XX.X6(i)(l) , a s a n unsafe-to-monito r valv e i s exemp t fro m th e requirement s o f paragrap h(b ) throug h(d ) o f thi s sectio nif : (1 ) Th e owne r o r operato r o f th e valv e determine s tha t th e valv e i s unsaf e t o monito r becaus e monitorin g personne l woul db e expose dt o a n



### 2 4Draf t 9/26/9 0

immediat e dange r a s a consequenc e o f complyin g wit hparagrap h(b ) throug h(d )

o f thi s section ; an

d (2 ) Th e owne r o r operato r o f th e valv e ha s a writte npla ntha t require s monitorin g o f th e valv e a s frequentl y a s practicabl e durin g safe-to-monito r times . (i ) An y valv e tha t i s designated , a s describe din§XX.X6(i)(2) , a s a difficult-to-monito r valv e i s exemp t fro m th e requirement s o f paragrap h(b ) throug h(d ) o f thi s sectio nif : (1 ) Th e owne r o r operato r o f th e valv e determine s tha t th e valv e canno t be monitore dwithou t elevatin g th e monitorin g personne l mor e tha n2 meter s abov e a suppor t surface ; (2 ) Th e proces s uni t withi nwhic hth e valv e i s locate di s a nexistin g proces s unit ; an

d (3 ) Th e owne r o r operato r o f th e valv e follow s a writte npla ntha t require s monitorin g o f th e valv e a t leas t onc e pe r calenda r year . (j ) Any equipmen t locate da t a plan t sit e wit hfewe r tha n25 0 valve s i n VHA P servic e i s exemp t fro m th e requirement s o f paragrap h(d)(1 ) o f thi s section . Th e owne r o r operato r shal l monito r eac hvalv e i nVHA P servic e fo r leak s onc e eac hquarter , o r compl y wit hparagraph s (d)(3 ) o r (d)(4 ) o f thi s section . •fk)(l ) Nonrepairabl e valve s shal l be include dinth e calculatio no f
percen t leakin g valvo s th e firs t tim o th e valv e i s identifie da s leakin g an d nonrepairabl e an

da s require dt o compl y wit hparagrap h(k)(2 ) o f thi s section . Otherwise , a numbe r o f nonrepairabl e valve s u p t o a maximu

m o f 1 percen t o f



### 2 5Draf t 9/26/9 0

th e tota l numbe r o f valvoo inVHA P sorvic o a t a procoG S uni t ma y be exclude d fro m calculatio no f percen t leakin g valvo s fo r subsequen t monitorin g periods . (2 ) I f th e numbe r o f nonrepairabl e valve s exceed s 1 percen t o f th o tota l numbe r o f valvo s inVHA P servic e a t a proces s unit , th e numbe r o f nonrepairabl e valvo s exceedin g 1 percen t o f th e tota l numbe r o f valve s i nVHA P servic e shal l b e include di nth e calculatio no f percen t leakin g valvos . §XX.X2- 8 Standards : Pumps , valves , flango s an dother 1 connectors , an d agitator i sea+s-i nheavy liqui dservice s instrumentatio nsystems-f l an d
pressur e relie f device s i nliqui dservic e . (a ) Pumps , valves , flange s an dothe r connectors , an dagitator s seal s in heav y liqui dservice , instrumentatio nsystems , an dpressur e relie f device s in ligh t liqui do r heav

y liqui dservice , an

dinstrumentatio nsystem s shal l be monitore dwithi n5 calenda r day s b y th e metho dspecifie din§XX.X5(b ) i f evidenc e o f a potentia l lea k i s foundb y visual , audible , olfactory , o r an y othe r detectio nmethod , excep t a s provide din§XX.X2-l(c) . I f a potentia l lea k ina

ninstrumentatio nsystem i s repaire da s require dinparagraph s (c)(1) , (c)(2) , (c)(3) , an d(d ) o f thi s section , i t i s no t necessar y t o monito r th e system

fo r leak s b

y th e metho dspecifie din§XX.X5(b) . (b ) I f a ninstrumen t readin g o f 10,00 0 pp m o r greate r fo r agitator ! seals , 1,00 0 pp

m o r greate r fo r pumps , and| | 50 0 pp m o r greate r fo r valves , flange s an

dothe r connectors , instrumentatio nsystems , an dpressur e relie f device s i s measured , a lea k i s detected . (c)(1 ) Whe na lea k i s detected , i t shal l b e repaire da s soo na s practicable , bu t no t late r tha n1 5 calenda r day s afte r i t i s detected , excep t

a s provide din§XX.X2-10 .

2 6P.3 1

Draf t 9/26/9 0 (2 ) Th e firs t attemp t a t repai r shal l b e mad e no late r tha n5 calenda r day s afte r eac hlea k i s detected . (3 ) Fo r instrumentatio nsystem s tha t ar e no t monitore db y th e metho d specifiedi

n§XX.X5(b) , repaire dshal l mea ntha t th e visual , audible , olfactory , o r othe r indication s o f a lea k hav e bee neliminated ; tha t n o bubble s ar e observe da t potentia l lea k site s durin g a lea k chec k usin g soa p solution ; o r tha t th e system wil l hol da tes t pressure . (d ) Firs t attempt s a t repai r include , bu t ar e no t limite dto , th e bes t practice s describe dunde r §XX.X2-7(e) . §XX.X2- 9 Standards : Produc t accumulato r vessels . (a ) Eac hproduc t accumulato r vesse l shal l b e equippe dwit ha closed-ven t syste m capabl e o f capturin g an dtransportin g an

y leakag e fro

m th e vesse l t o a contro l devic e a s describe di n§XX.X2-11 , excep t a s provide din§XX.X2-l(c) . §XX.X2-1 0 Standards : Dela y o f repair . (a ) Dela y

o f repai r o f equipmen t fo r whic hleak s hav e bee ndetecte di s allowe di f th e repai r i s technicall y infeasibl e withou t a proces s uni t shutdown . Repai r o f thi s equipmen t shal l occu r befor e th e endo f th e nex t proces s uni t shutdown . (b j Dela y

o f repai r o f equipmen t fo r whic hleak s hav e bee ndetecte di s allowe dfo r equipmen t tha t i s isolate dfro m th e proces s an

dtha t doe s no t remai ni nVHA P service . (c ) Dela y

o f repai r fo r valves , connectors , an dagitator s i s als o allowe dif :



### 2 7Draf t 9/26/9 0 (1 ) Th e owne r o r operato r determine s tha t emission s o f purge dmateria l resultin g fro

m immediat e repai r ar e greate r tha nth e fugitiv e emission s likel y t o resul t fro

m dela y o f repair , an

d (2 ) Whe nrepai r procedure s ar e effected , th e purge dmateria l i s collecte dan

ddestroye do r recovere dina contro l devic e complyin g wit h §XX.X2-11 . (d ) Dela y

o f repai r fo r pump s i s als o allowe dif : (1 ) Repai r require s th o us e o f replacin g a singl e mechanica l sea l system 11111 a dua l mechanica l sea l system tha t include s a barrie r flui dsystem , an d (2 ) Repai r i s complete d a s soona s practicable , bu t no t late r tha n6 month s afte r th e lea k wa s detected . (e ) Dela y

o f repai r beyon da proces s uni t shutdow nwil l b e allowe dfo r a valv e o r i f valv e assembl y replacemen t i s necessar y durin g th e proces s uni t shutdown , valv e assembl y supplies hav e bee ndepleted , an dvalv e assembl y supplie s hadbee nsufficientl y stocke dbefor e th e supplie s wer e depleted . Dela y o f repai r beyon dth e nex t proces s uni t shutdow nwil l no t be allowe d unles s th e nex t proces s uni t shutdow noccur s soone r tha n6 month s afte r th e firs t proces s uni t shutdown . §XX.X2-1 1 Standards : Closed-ven t system s an dcontro l devices . (a ) Owner s o r operator s o f closed-ven t system s an dcontro l device s use d
t o compl y

wit hprovision s o f thi s subpar t shal l compl y wit hth e provision s o f thi s section , excep t a s provide din§XX.X2-l(c) . (b ) Vapo r recover y

system s (fo r example , condenser s an dadsorbers ) shal l b e designe dan

doperate dt o recove r th e organi c vapor s vente dt o them wit ha n efficienc y

o f 9 5 percen t o r greater .

2 8P.3 3

Draf t 9/26/9 0 (c ) Enclose d combustio n device s shal l b e designe d an d operate d t o reduc e th e VHA P emission s vente d t o the m wit h a n efficienc yo f 9 5 percen t o r greate r

•3 o r t o provid e a minimu m residenc e tim e o f 0.5 0 second s a t a minimu m temperatur e o f 760°C
. (d ) Flare s use d t o compl ywit h thi s subpar t shal l compl ywit h th e requirement s o f §60.18
. (e ) Owner s o r operator s o f contro l device s tha t ar e use d t o compl ywit h th e provision s o f thi s subpar t shal l monito r thes e contro l device s t o ensur e tha t the yar e operate d and maintaine d i n conformanc e wit h thei r design

. (f)(1 ) Closed-ven t system s shal l b e designe d fo r and operate d wit h « e detectabl e omissions , a s indicate d b ya n instrumen t readin g o f les s tha n 50 0
pp mabov e backgroun d and b yvisua l inspections , a s determine d b yth e method s specifie d a s §XX.X5(c)
. (2 ) Closed-ven t system s shal l b e monitore d t o determin e complianc e wit h thi s sectio n initiall yi n accordanc e wit h §61.05 , annually , and a t othe r time s requeste d b

yth e Administrator

. (3 ) Leaks , a s indicate d b ya n instrumen t readin g greate r tha n 50 0 pp m abov e backgroun d and visua l inspections , shal l b e repaire d a s soo n a s practicable , bu t no t late r tha n 1 5 calenda r day s afte r th e lea k i s detected
. (4 ) Afirs t attemp t a t repai r shal l b e mad e n o late r tha n 5 calenda r day s afte r th e lea k i s detected
. (g ) Closed-ven t system s and contro l device s use d t o compl ywit h provision s o f thi s subpar t shal l b e operate d a t al l time s whe n emission s ma y be-ar e vente d t o them , excep t durin g period s o f startup , shutdown , an d malfunctio n a t whic h time s th e owno r o r operato r shall , t o th e exten t

2 9Draf t 9/26/9 0

practicable , maintai nan doperat e th e sourc e ina manne r consisten t wit hgoo d ai r pollutio ncontro l practic e fo r minimizin g emissions . §XX.X2-1 2 Standards : Agitator ! s-eal-&-i ngas/vapo r servic e andi nligh t liqui dservice . (a)(1 ) Eac hagitato r sea l shal l b e monitore dmonthl y t o detec t leak s b

y th e method s specifie din§XX.X5(b) , excep t a s provide din§XX.X2-l(c) . (2 ) Eac hagitato r sea l shal l be checke db y visua l inspectio neac h calenda r wee k fo r indication s o f liquid s drippin g fro m th e agitato r seal . (b)(1 ) I f a

ninstrumen t readin g o f 10,00 0 pp m o r greate r i s measured , a lea k i s detected . (2 ) I f ther e ar e indication s o f liquid s drippin g fro m th e agitato r seal ,
a lea k i s detected . (c)(1 ) Whe na lea k i s detected , i t shal l be repaire da s soo na s practicable , bu t no t late r tha n1 5 calenda r day s afte r i t i s detected|ipl|| |

a s provide din§XX.X2-10 . (2 ) A firs t attemp t a t repai r shal l b e mad e no late r tha n5 calenda r day s afte r eac hlea k i s detected . (d ) An y agitato r equippe dwit ha closed-ven t Syste m capabl e o f capturin g

an dtransportin g an

y leakag e fro

m th e sea l o r seal s t o a contro l devic e tha t complie s &ii hth e reguirement s o f §XX.X2-i l i s exemp t fro m th e requirement s o f paragraph s {$)-(e) . §XX.X2-1 3 Standards : Ranfes^|||||||||i nGas/Vapo r Servic e and i nLigh t Liqui dService . (a ) Th e owne r o r operato r o f a naffecte dproces s uni t shal l monito r al l flangesconnector s inVHA P service , excep t a s provide di n§§XX»X2-l(c), , an

d

3 0



### K iDraf t 9/26/9 0

(f ) throug h(+h ) o f thi s section , a t th e interval s specifie dinparagrap h(b )

o f thi s sectio nan

dshal l compl y

wit hparagraph s (c ) throug h(j ) o f thi s section . (1 ) Th e flange s connector s shal l b e monitore dt o detec t leak s b y th e metho dspecifie din§XX.X5(b) . (2 ) I f a ninstrumen t readin g greate r tha no r equa l t o 50 0 pp m i s measured , a lea k i s detected . (b ) Th e owne r o r operato r shal l monito r fo r leak s a t th e interval s specifie dbelow . (1 ) Withi nth e firs t 1 2 month s afte r promulgatio no f thi s subpar t §§ § specifie dapplicabilit y date s describe di n§XX.X0{b ) fo r eac hgrou po f existin g proces s units , th e owne r o r operato r shal l monito r al l f 1 anges|pj|e|lll| , excep t a s provide dinparagraph s (f ) throug h(4-g ) o f thi s section . (2 ) Withi nth e firs t 1 2 month s afte r th e beginnin g o f startu po r withi n 1 2 month s afte r (dat e o f promulgation ) . whicheve r i s later , fo r ne w proces s units , th e owne r o r operato r Shal l monito r al l connectors , excep t a s provide d inparagraph s (f ) throug h(g ) o f thi s section . (£3 ) Afte r conductin g th e initia l surve y require di

nparagrap h(b)(1 ) o f thi s section , th e owne r o r operato r shal l perform al l subsequen t monitorin g o f f1angesconnector s a t th e followin g frequencies : (i ) Onc e pe r calenda r year , i f th e percen t leakin g flangosconnector s in th e proces s uni t 4*|i | 0. 5 percen t o r greate r durin g th e las t require d monitorin g period .



### 3 1Draf t 9/26/9 0 (ii ) Onc e ever y

tw o calenda r years , i f th e percen t leakin g f1angesconnector s i s les s tha n0. 5 percent . A nowne r o r operato r ma y compl y wit hthi s paragrap hb y monitorin g an

y portio na t leas t 4 0 percen t o f th e flangosconnector s inth e firs t yea r an dth e remainde r o f th e flangosconnector s inth e secondyear . Th e percen t leakin g flangosconnector s wil l b e calculate d fo r th e tota l o f th e two monitorin g periods . (3| ) I f th e owne r o r operato r o f a proces s uni t ina biennia l lea k detectio nan

drepai r program

bas-calculate s les s tha n0. 5 percen t leakin g f^-angesconnector s at^fro m th e 2-yea r demo nstra t i onmon i tor i n g period , th e owne r

o r operato r ma y

monito r th e f1angcsff|iffllf | 1 time ever y 4 years . A

nowne r

o r operato r ma y

compl y wit hth e requirement s o f thi s paragrap hb y monitorin g

an y portio na t leas t 2 0 percen t o f th e flangesconnector s eac hyea r unti l al l flangosconnector s hav e bee nmonitore dwithi n4 years . (4| ) I f a proces s uni t complyin g wit hth e requirement s o f paragrap h(b ) usin g a 4 yea r monitorin g interva l program ha s greate r tha no r equa l t o 0. 5
percen t bu t les s tha n1 percen t leakin g f!angesconnectors , th e owne r o r operato r shal l increas e th e monitorin g frequenc y t o 1 time ever y

2 years . A

n

owne r o r operato r ma y compl y wit hth e requirement s o f thi s paragrap hb y monitorin g an

y portio na t leas t 4 0 percen t o f th e flangosconnector s inth e firs t yea r an

dth e remainde r o f th e f1angesconnector s inth e secondyear . Th e

owne r o r operato r ma y agai nelec t t o us e th e provision s o f paragrap h(b)(3*| ) whe nth e percen t leakin g -fl-angeeconriector s decrease s t o les s tha n0. 5 percent . (•&§ ) I f a proces s uni t complyin g wit hrequirement s o f paragrap h(b ) usin g a 4 yea r monitorin g interva l program ha s 1 percen t o r greate r leakin g flangosconnectors , th e owne r o r operato r shal l increas e th e monitorin g

3 2Draf t 9/26/9 0

frequenc y

t o 1 time pe r year . Th e owne r o r operato r ma y agai nelec t t o us e th e provision s o f paragrap h(b)(3§ ) whe nth e percen t leakin g f1angcs||||||i|| | decrease s t o les s tha n0. 5 percent . (c ) Eac hf4angeconnecto r tha t ha s bee nopene do r ha s otherwis e hadth e

sea l broke nshal l b e monitore dfo r leak s withi n6 0 calenda r day s e-f—after bein g returne dt o VHA P service , includin g thos e determine dt o b e nonrepairabl e prio r t o proces s uni t shutdown . I f th e followu p monitorin g detect s a leak , i t shal l b e repaire daccordin g t o th e provision s o f paragrap h(d ) o f thi s section , unles s i t i s determine dt o b e nonrepairable , i nwhic hcas e i t i s counte da s a nonrepairabl e fo r th e purpose s o f paragrap h(i)(2 ) o f thi s section . (d ) Whe na lea k i s detected , i t shal l be repaire da s soo na s practicable , bu t no late r tha n1 5 calenda r day s afte r th e lea k i s detected , excep t a s provide dinparagrap h(hf ) o f thi s sectio nan din§XX.X2-10 . A firs t attemp t a t repai r shal l be mad e no late r tha n5 calenda r day s afte r th e lea k i s detected . (e ) I f a lea k i s detected , th e f+angeconnecto r shal l be monitore dfo r leak s withi n6 0 calenda r day s afte r it s repair . (f ) Any f1angoconnecto r tha t i s designated , a s describe din §XX.X6(i)(l) , a s a

nunsafe-to-monito r f-Vangeeonnecto r i s exemp t fro m th e requirement s o f paragrap h(a ) if : (1 ) Th e owne r o r operato r determine s tha t th e flang e connecto r i s unsafe-to-monito r becaus e personne l woul db e expose d t o a nimmediat e dange r a s

a resul t o f complyin g wit hparagraph s (a ) throug h(e ) o f thi s section ; an d



### 3 3P.3 8

Draf t 9/26/9 0 (2 ) Th e owne r o r operato r ha s a writte npla ntha t require s monitorin g o f th e flang e |pil|l|||i|a s frequen t a s practicabl e durin g saf e t o monito r periods . (g ) An y flang e connecto r tha t i s designated , a s describe d in §XX.X6(i)(3) , a s a

nunsafe-to-repai r flang e connecto r i s exemp t fro m th e requirement s o f paragraph s (a) , (d) , an d(e ) o f thi s sectio nif : (1 ) Th e owne r o r operato r determine s tha t repai r personne l woul db e expose dt o a

nimmediat e dange r a s a consequenc e o f complyin g wit hparagraph (d ) o f thi s section ; an d (2 ) Th e flang e connecto r wil l be repaire dbefor e th e en do f th e nex t schedule dshutdow

no f th e proces s unit . (h)(1 ) Any

£ten§e-connecto r tha t i s designated , a s decribe di n §XX.X6(i)(4) , a s inaccessible , o r i s glas s o r glass-line di s exemp t fro m th e monitorin g requirement s o f paragraph(a ) o f thi s sectio nan dfro m th e recordkeepin g an

dreportin g requirement s o f §XX.X 6 an d§XX.X7 . A

n inaccessibl e flang e connecto r i s on e tha t i s (A ) Buried , (B ) Insulate dina manne r tha t prevent s acces s t o th e connecto r b y a monito r probe , (C ) Obstructe db

y equipmen t o r pipin g tha t preven t acces s t o th e fl-ang o ll||||||||b y

a monito r probe , o r (D ) Greate r tha n2 5 foo t abov o th o groun dan dcanno t be reache dwit ha portabl e scaffoldCanno t b e reache dfrom a 25-foo t portabl e scaffol do nth e ground , an

di s greate r tha n2 meter s abov e a suppor t surface .



### 3 4P.3 9

Draf t 9/26/9 0 (2 ) I f an

y inaccessible , o r glas s o r glass-line dflang e connecto r i s observe db

y visual , audible , olfactory , o r othe r mean s t o be leaking , th e lea k shal l be repaire da s soona s practicable , bu t n o late r tha n1 5 calenda r day s afte r th e lea k i s detected , excep t a s provide din§XX.X2-1 0 an dparagrap h(g )

o f thi s section . (3 ) A firs t attemp t a t repai r shal l b e mad e n o late r tha n5 calenda r day s afte r th e lea k i s detected . (i ) Fo r us e indeterminin g th e monitorin g frequency , a s specifie din paragrap h(b ) o f thi s section , th e percen t leakin g flango s ||||||lll|lshal l be calculate da s follows : (1 ) Fo r th e firs t monitorin g surve y afte r startupperiod , us e th e followin g equation :

% F f L = (f| L /(F| t + f|c) ) x10 0 Wher e % F@ L = percen t leakin g flangosconnector s F! L =numbe r o f flango s connector s measure d a t 50 0 pp m o r greater , b

y th e metho dspecifie d in§XX.X5|| | fC t =tota l numbe r o f monitore dflango s connector s i nth e proces s uni t f| c =credi t fo r remove d flango s connector s = 0.6 7 Xne t numbe r

o f flango s connector s i nVHA P servic e remove dfro m th e proces s unit . (2 ) Fo r subsequent monitorin g periods , us e th e followin g equation :

% % = [(f| L - Ff N )/(F| t + Ff c - £§,) ] x10 0 Wher e

3 5Draf t 9/26/9 0 % Ff L = percen t leakin g f l angesconnector s f| L =numbe r o f flange s connector s measure da t 50 0 pp m o r greater , b

y th e metho dspecifie di n§XX.X5(b ) F§ H=numbe r o f nonrepairabl e flange s connector s no t t o excee d 2 percen t o f th e tota l flang e connecto r population , F t F| t =tota l numbe r o f monitore dflango s connectors , includin g nonrepairables , i

nth e proces s unit . F| c =eredi t fo r remove dflango s connector s = 0.6 7 X$lf|numbe r

o f flange s connector s inVHA P servic e remove dfro m th e proces s unit . §XX.X3- 1 Qualit y

Improvemen t Program

(QIP ) fo r Valves . (a ) I nPhas e III , t o compl y wit hth e requirement s i n§XX.X2-7(d)(l)(ii) ,
a nowne r o r operato r ma y elec t t o compl y

wit hon e o f th e alternativ e qualit y improvemen t program s specifie dinparagraph s (d ) an d(e ) o f thi s section . Th e optio ndecisio nt o us e on e o f thes e alternativ e provision s t o compl y wit hthe requirement s o f §XX.X2-7(d)(l)(ii ) i s availabl e onl y mus t b e mad e durin g th e firs t yea r o f Phas e II I fo r existin g proces s unit s an dfo r new

proces s units . (b ) A nowne r o r operato r o f a proces s uni t subjec t t o th e requirement s

o f paragraph ! (d ) o r (e ) o f thi s sectio nshal l compl y wit hthos e requirement s unti l th e proces s uni t ha s fewe r tha n2 percen t leakin g valves , calculate da s

a rollin g averag e o f 2 consecutiv e quarter s end-a s specifie din§XX.X2-7(e) . Who nth e proces s uni t ha s fewe r tha n2 percen t leakin g valvos , th e owne r o r operato r shal l compl y wit hth e requirement s i n§XX.X 2 7 . (c ) A nowne r o r operato r o f a proces s uni t subjec t t o th e requirement s

o f paragrap h(e ) o f thi s sectio nshal l compl y wit hthos e requirement s unti l

3 6

____!____

_P.4 1

Draf t 9/26/9 0 th e proces s uni t ha s fewe r tha n2 percen t leakin g valvos , calculate da s a rollin g averag e o f 2 conoocutiv o quarter s an da s spocifio di n§XX.X 2 7(e) . (c ) Afte r th e proces s uni t ha s fewe r tha n2 percen t leakin g valves , th e

owne r o r operato r ma y elec t t o compl y

wit hth e requirement s i n§XX.X2-7 , t o continu e t o compl y

wit hth e requirement s inparagrap h(e ) o f thi s section , o r both . I f th e owne r o r operato r elect s t o continu e th e QIP , th e owne r o r operato r i s exemp t fro m th e requirement s fo r performanc e trials , a s specifie d inparagrap h(e)(6 ) o f thi s section , a s long a s th e proces s uni t ha s fewe r tha n2 percen t leakin g valves . I f th e owne r o r operato r elect s t o compl y wit h both , h e ma y

als o tak e advantag e o f th e lowe r monitorin g frequencie s associate dwit hlowe r lea k rate s i n§XX»X2'7 « I f th e owne r o r operato r elect s

no t t o continu e QIP , 44-th e QI P i s n o longe r a noptio ni f th e proces s uni t agai nexceed s 2 percen t leakin g valves , an di nsuc hcase , monthl y monitorin g wil l b e required . (d ) Th e followin g requirement s shal l be me t i f a nowne r o r operato r elect s t o us e a QI P t o demonstrat e furthe r progress : (1 ) Th e owne r o r operato r shal l continu e t o compl y wit hth e requirement s in§XX.X2- 7 excep t eac hvalve shal l b e monitore dquarterly . (2 ) Th e owne r o r operato r shal l collec t th e followin g data , an dmaintai n record s a s require din§XX.X6|I| , fo r eac hvalv e ineac hproces s uni t subjec t t o th e QIP : (i ) Th e maximu

m instrumen t readin g observe dineac hmonitorin g observatio nbefor e repair , th e respons e facto r fo r th e stream i f appropriate , th e instrumen t mode l number , an ddat e o f th e observation . (ii ) Whethe r th e valv e i s inga s o r ligh t liqui dservice .
3 7Draf t 9/26/9 0 (iii ) I f a lea k i s detected , th e repai r method s use dan d th e instrumen t reading s afte r repair . (3 ) Th e owne r o r operato r shal l continu e t o collec t dat a o n th e valve s

a s long a s th e proces s uni t remain s in th e QIP . (4 ) Th e owne r o r operato r mus t demonstrat e progres s i n reducin g th e percen t leakin g valve s eac hquarter th e proces s uni t i s subjec t t o th e requirement s o f paragrap h(d ) o f thi s section , excep t a s provide di n paragraph (d)(4)(ii ) o f thi s section . (i ) Demonstratio no f progres s shal l mea n|||i|||||eac hquarte r ther e i s

a t leas t a 1 0 percen t reductio ni n th e percen t leakin g valve s fro m th e percen t leakin g valve s determine dfo r th e precedin g monitorin g period . Th e percen t leakin g valve s shal l be calculate da s a rollin g averag e o f 2 consecutiv e quarter s o f monitorin g data . Th e percen t reductio nshal l b e calculate dusin g th e rollin g averag e percen t leakin g valves , accordin g t o th e following : %LV R- (*LV

AV6 t - %LVAVG2 )/%LVAve l x10 0 

## Hil l %l\ » Percen t leakin g valv e reductio n %LV AV0 , - {«r u4*fL M ) / 2

and%LV AVG ? - (%V LH1 + *V t M } / 2 wher e %V U , %V U+1 , 3W tl4 a ar e percen t leakin g valve s calculate d fo r subsequen t monitorin g periods , i , i+1 , i+ 2 (ii ) A n owne r o r operato r wh o fail s fo r 2 consecutiv e quarter*! ! ||||||e s t o demonstrat e a t leas t a 1 0 percen t reductio nin percen t leakin g valve s an

d th e overal l averag e percen t reductio ni s les s tha n1 0 percen t pe r !!!!§ H shal l eithe r compl y wit hth e requirement s i n §XX.X2-7(d)(l ) usin g

3 8Draf t 9/26/9 0

monthl y monitorin g o r shal l compl y usin g a QI P fo r technolog y revie w a s specifie dinparagrap h(e ) o f thi s section . I f th e owne r o r operato r elect s t o compl y

wit hth e requirement s o f paragrap h(e ) o f thi s section , th e schedul e fo r performanc e trial s an dvalv e replacement s remain s a s specifie di n paragrap h(e) . (e ) Th e followin g requirement s shal l be me t i f a nowne r o r operato r elects , t o us e a QI P o f technolog y revie w an dimprovement : (1 ) Th e owne r o r operato r shal l compl y wit hth e requirement s i n§XX.X2 - 7 excep t th e requiremen t fo r monthl y monitorin g i nparagrap h||||||||(d)(l)(i ) doe s no t apply . (2 ) Th e owne r o r operato r shal l collec t th e dat a specifie dbelow , an d maintai nrecord s a s require din§XX.X6(m) , fo r eac hvalv e ineac hproces s uni t subjec t t o th e QIP . Th e dat a ma y be collecte dan

dth e record s may

be maintaine do

na proces s uni t o r grou po f proces s unit s basis . (i ) Th e dat a shal l includ e th e following : (A ) Valv e typ e (e.g. , ball , gate , check) ; valv e manufacturer ; valv e desig n(e.g. , externa l ste m o r actuatin g mechanism , flange dbody) ; material s

o f construction ; packin g material ; an dyea r installed . (B ) Servic e characteristic s o f th e strea m suc ha s operatin g pressure , temperature , lin e diameter , an dcorrosivity . (C ) Whethe r th e valv e i s i nga s o r ligh t liqui dservice . (D ) Th e maximum

instrumen t reading s observe dineac hmonitorin g observatio nbefor e repair , respons e facto r fo r th e stream i f appropriatoadjusted , instrumen t mode l number , an ddat e o f th e observation .



### 3 9

tarnDraf t 9/26/9 0 (E ) I f a lea k i s detecte dth e repai r method s use dan dth e instrumen t reading s afte r repair . (F ) I f th e dat a wil l b e analyze da s par t o f a large r analysi s program involvin g dat a fro

m othe r plant s o r othe r type s o f proces s units , a descriptio no f an

y maintenanc e o r qualit y assuranc e program s use di nth e proces s uni t tha t ar e intende dt o improv e emissio nperformance . (3 ) Th e owne r o r operato r shal l continu e t o collec t dat a o nth e valve s

a s lon g a s th e proces s uni t remain s inth e QIP . (4 ) Th e owne r o r operato r shal l inspec t al l valve s remove dfro m th e proces s uni t du e t o leaks . Th e inspectio nshal l determin e whic hpart s o f th e valv e hav e faile dan dshal l includ e recommendations , a s appropriate , fo r desig nchange s o r change s i nspecification s t o reduc e lea k f-requoncypotential . (5)(i ) Th e owne r o r operato r shal l analyz e th e dat a collecte dt o compl y wit hth e requirement s o f paragrap h(e)(2 ) t o determin e th e services , operatin g

o r maintenanc e practices , an dvalv e design s o r technologie s tha t hav e poore r tha naverag e emissio nperformanc e an dthos e tha t hav e bette r tha naverag e emissio nperformance . Th e analysi s shal l determin e i f specifi c troubl e area s

ca nb e identifie donth e basi s o f service , operatin g condition s o r maintenanc e practices , equipmen t design , o r othe r proces s specifi c factors . (ii ) Th e analysi s shal l als o b e use dt o determin e i f ther e ar o identif y Hpisuperio r performin g valv e technologie s tha t ar e applicabl e t o th e service(s) , operatin g conditions , o r valv e design s associate dwit hpoore r tha n averag e emissio nperformance . A superio r performin g valv e technolog y i s on e wit ha lea k frequenc y o f les s tha n2 percen t fo r specifi c application s i nth e proces s unit . A

candidat e superio r performin g valv e technolog y i s on e

4 0Draf t 9/26/9 0

demonstrate do r reporte di nth e availabl e literatur e o r throug ha grou pstud y

a s havin g low

emissio nperformanc e an da s bein g capabl e o f achievin g les s tha n 2 percen t leakin g valve s inth e proces s unit . (iii ) Th e analysi s shal l includ e consideratio nof : (A ) Th e dat a obtaine dfro m th e inspection s o f valve s remove dfro m th e proces s uni t du e t o leaks ; (B ) Informatio nfrom

th e availabl e literatur e an dfrom th e experienc e o f othe r facilities ' oxporienc o tha t wil l identif y valv e design s o r technologie s

an doperatin g condition s associate dwit hlo w emissio nperformanc e fo r specifi c services ; and (C ) Informatio nonlimitation s o nth e servic e condition s fo r th e valv e desig nandoperatin g condition s a s wel l a s informatio no nmaintenanc e procedure s t o ensur e continue dlo w emissio nperformance . (iv ) Th e dat a analysi s ma y b e conducte dthroug ha ninter - o r intracompan y

program

(or throug hsom

e combinatio no f th e tw o approaches ) an

d

ma y b e fo r a singl e proces s unit , a company , o r a grou po f proces s units . (v ) Th e firs t analysi s o f th e dat a shal l b e complete dno late r tha n1 8 month s afte r th e star t o f Phas e III . Th e firs t analysi s shal l b e performe d usin g a minimum

o f 2 quarter s o f data . A nanalysi s o f th e dat a shal l b e don e

eac hyea r th e proces s uni t i s inth e QIP . (6 ) A tria l evaluatio nprogram shal l b e conducte da t eac hfacilit y fo r whic hth e dat a analysi s doe s no t identif y us e o f superio r performin g valve s o r technologie s tha t ca nb e applie dt o th e area s identifie da s havin g poore r tha n averag e performance , excep t a s provide di nparagrap h(e)(6)(v ) o f thi s section . Th e tria l program shal l b e use dt o evaluat e th e feasibilit y o f usin g

4 1Draf t 9/26/9 0

i nth e proces s uni t th e valv e design s o r technologie s tha t hav e bee n identifie db

y other s a s havin g lo w emissio nperformance . (i ) Th e tria l program shal l includ e on-lin e trial s o f valve s o r operatin g an

dmaintenanc e practice s tha t hav e bee nidentifie di nth e availabl e literatur e o r inanalysi s b y other s a s havin g th e abilit y t o perform

wit hlea k
rate s below

2 percen t insimila r services , a s havin g lo w probabilit y

o f failure , o r a s havin g n o externa l actuatin g mechanis m i ncontac t wit hth e proces s fluid . I f an y o f th e candidat e superio r performin g valv e technologie s i s no t include dinth e performanc e trials , th e reason s fo r rejectin g specifi c technologie s fro

m consideratio nshal l b e documente da s require di n §XX.X6(m)(6)(ii) . (ii ) Th e numbe r o f valve s inth e tria l evaluatio nprogram shal l be equa l -fce-th e lesse r O f 1 percen t o f th e valvo s u pt o a maximu

m o f o r 2 0 valve s fo r program s involvin g singl e proces s unit s an dth e lesse r o f 1 percen t o f tho valve s u pt o a maximu

m o f III5 0 valve s fo r program s involvin g group s o f
proces s units . (iii ) Th e tria l evaluatio nprogram shal l specif y

an dinclud e documentatio nof : (A ) Th e candidat e superio r performin g valv e design s o r technologie s t o b e evaluated , th e stage s fo r evaluatin g th e identifie dcandidat e valv e design s

o r technologies , includin g th e estimated.tim e perio dnecessar y t o tes t th e applicability ; (B ) Th e frequenc y

o f monitorin g o r inspectio no f th e equipment ; (C ) Th e rang e o f operatin g condition s ove r whic hth e componen t wil l be evaluated .
4 2P.4 7

Draf t 9/26/9 0 (D ) Conclusion s regardin g th e emissio nperformanc e an dth e appropriat e operatin g condition s an dservice s fo r th e tria l valves . (iv ) Th e performanc e trial s shal l initiall y b e conducte dfor , a t least , •f-er- a 6 mont hperio dbeginnin g no t late r tha n1 8 month s afte r th e star t o f Phas e III . No t late r tha n2 4 month s afte r th e star t o f Phas e III , th e owne r

o r operato r shal l hav e identifie dvalv e design s o r technologie s that , combine d wit happropriat e process , operating , an dmaintenanc e practices , hav e bee n demonstrate dt o operat e wit hlow emissio nperformanc e fo r specifi c application s i nth e proces s unit . Th e owne r o r operato r shal l continu e t o conduc t performanc e trial s a s lon g a s th e proces s uni t ha s 2 percen t o r mor e leakin g valves , excep t a s provide dinparagrap h(e)(6)(vi ) o f thi s section . Th e initia l lis t ofcompilatiO no f candidat e an ddemonstrate dsuperio r emissio n performanc e valv e design s o r technologie s shal l b e amende dinth e future , a s appropriate , a s additiona l informatio nan dexperienc e i s obtained . (v ) Any corporatio nplan t sit e wit hfewe r tha n50 0 valvo s an dflango s 40 0 valve s an

downe db

y a corporatio nwit hfewe r tha n10 0 tota l employee s shal l b e exemp t fro

m tria l evaluation s o f valves . Corporation s Plan t site s exemp t fro

m th e tria l evaluation s o f valve s shal l begi nth e valv e replacemen t progra m a t th e star t o f th e fourt hyea r o f Phas e III . (vi ) A nowne r o r operato r wh o ha s conducte dperformanc e trial s o nal l alternativ e candidat e superio r emissio nperformanc e technologie s suitabl e fo r th e require dapplication s inth e proces s uni t ma y sto pconductin g performanc e trial s provide dtha t i t i s demonstrate dther e ar e n o technicall y feasibl e alternativcc&ndidatf e superio r technologie s remaining . Th e owne r o r operato r shal l prepar e a

nengineerin g evaluatio ndocumentin g th e physical , chemical , o r

4 3P.4 8

Draf t 9/26/9 0 engineerin g basi s fo r th e judgemen t tha t th e superio r emissio nperformanc e technolog y

i s technicall y

infeasibl e o r demonstratin g tha t i t woul dno t reduc e emissions . (7 ) Eac howne r o r operato r wh o elect s t o us e a QI P fo r technolog y revie w

an dimprovemen t shal l prepar e an dimplemen t a valv e qualit y assuranc e program tha t detail s purchasin g specification s an dmaintenanc e procedure s fo r al l valve s inth e proces s unit . Th e qualit y assuranc e progra m

ma y establis han

y numbe r o f categories , o r classes , o f valve s a s neede dt o distinguis hamon g operatin g condition s an dservice s associate dwit hpoore r tha naverag e emissio n performanc e a s wel l a s thos e associate dwit hbette r tha naverag e emissio n performance . Th e qualit y assuranc e progra m

shal l b e develope dconsiderin g th e finding s o f th e dat a analysi s require dunde r paragrap h(e)(5 ) o f thi s section , i f applicable , th e finding s o f th e tria l evaluatio nrequire dinparagrap h (e)(6 ) o f thi s section , an dth e operatin g condition s i nth e proces s unit . Th e qualit y assuranc e progra m

shal l b e reviewe dand , a s appropriate , update deac h
yea r a s lon g a s th e proces s uni t ha s 2 percen t o r mor e leakin g valves . (i ) Th e qualit y

assuranc e program

shall : (A ) Establis hminimum desig nstandard s fo r eac hcategor y o f valves . Th e desig nstandard s shal l specif y know ncritica l parameter s suc ha s tolerance , manufacturer , material s o f construction , previou s usage , o r othe r applicabl e identifie dcritica l parameters ; (B ) Requir e tha t al l equipmen t order s specif y th e desig nstandar d(o r minimum tolerances ) fo r th e valve ; (C ) Includ e a writte nprocedur e fo r benc htestin g o f valve s tha t specifie s performanc e criteri a fo r acceptanc e o f valve s an dspecifie s criteri aP.4 9

Draf t 9/26/9 0 fo r th e precisio nan

daccuracy

o f th e tes t apparatus . Al l valve s repaire d off-lin e afte r preparatio no f th e qualit y assuranc e pla nshal l be benc hteste d fo r leaks . Thi s testin g ma y be conducte d b

y th e owne r o r operato r o f th e proces s unit , b

y th e vendor , o r b

y a designate drepresentative . Th e owne r o r operato r shal l instal l onl y thos e valve s tha t hav e bee ncertifie d iii|i|||i i throug hbenc htestin g t o b e nonleaking-whe nbenc htested . (D ) Requir e tha t al l valve s repaire don-lin e b e teste dusin g th e metho d specifie di n§XX_X5(b ) fo r leak s fo r 2 successiv e months , afte r repair . (E ) Provid e fo r a

naudi t procedur e fo r qualit y contro l o f purchase d equipmen t t o ensur e conformanc e wit hpurchas e specifications . Th e audi t program ma y b e conducte db

y th e owne r o r operato r o f th e proces s uni t o r b y a designate drepresentative . (F ) Detai l off-lin e valv e maintenanc e an drepai r procedures . Thes e procedure s shal l includ e provision s t o ensur e tha t rebuil t o r refurbishe d valve s wil l mee t th e desig nspecification s fo r th e valv e typ e an dwil l operat e

suc htha t emission s ar e minimized . (G ) Detai l th e proces s uni t maintenanc o program t o ensur e continue dlo w emissio nporformanco . (ii ) Th e qualit y

assuranc e program

shal l be establishe dno late r tha n th e ondo f th e secondstar t o f th e thir dyea r o f Phas e II I fo r larg e corporationsflin t site s wit h40 0 o r mor e valve s o r owne d b y a corporatio nwit h 10 0 o r mor e employees; ; an dno late r tha nth e en do f th e thir dStar t o f th e fourt hyea r o f Phas e II I fo r smal l corporationsplan t site s wit hles s tha n40 0 

### valve s an downe dby

a corporatio nwit hles s tha n10 0 employees .

4 5, Draf t 9/26/9 0 (8 ) Beginnin g a t th e star t o f th e thir dyea r o f Phas e II I fo r larg o corporation s plan t site s wit h40 0 o r mor e valve s o r owne db y a corporatio n wit h10 0 o r mor e employee s an dat th e star t o f th e fourt hyea r o f Phas e II I fo r smal l corporation s plan t site s wit hles s tha n40 0 valve s andowne db y a corporatio nwit hles s tha n10 0 employees , eac hvalv e tha t i s replace d fo r an y
reaso nshal l b e replace dwit ha ne w o r modifie dvalv e tha t complie s wit hth e qualit y assuranc e standard s fo r th e valv e categor y an dtha t i s identifie da s superio r emissio nperformanc e technology . Superio r emissio nperformanc e technolog y

i s valve s identifie dwit hth e bes t emissio nperformanc e that , combine dwit happropriat e process , operating , an dmaintenanc e practices , wil l resul t inles s tha n2 percen t leakin g valve s i na larg e population , excep t a s provide di nsubparagrap ho f (8){ii ) o f thi s paragraph . (i ) Th e valve s shal l b e maintaine da s specifie di nth e qualit y

assuranc e program . (ii ) I f a superio r emissio nperformanc e technolog y canno t b e identified , the nvalv e replacemen t shal l b e wit hth e lowes t emissio nperformanc e technolog y

tha t ha s bee nidentifie dfo r th e specifi c application . §XX.X3- 2 Qualit y

Improvemen t Program fo r Pumps . (a ) I nPhas e III , if , ona 6-mont hrollin g average , th e greate r o f eithe r 1 0 percen t o f th e pump s i na proces s uni t (o r facility ) o r 3 pump s i na proces s uni t (o r facility ) leak , th e owne r o r operato r shal l compl y wit hth e requirement s o f thi s sectio na s specifie dbelow : (1 ) Pump s tha t ar e i

nfood/medica l servic e o r i npolymerizin g monome r servic e shal l compl y

wit hal l requirement s excep t fo r thos e specifie d i n paragrap h(d)(8 ) o f thi s section .

4 6P.5 1

Draf t 9/26/9 0 (2 ) Pump s i nservic e tha t 4-s-*ar e no t i nfood/medica l o r pl||llll|| |

monome r service'shal 1 compl y wit hal l requirement s o f thi s section . (b ) Th e owne r o r operato r shal l compl y wit hth e requirement s o f thi s sectio nunti l th e numbe r o f leakin g pump s i s les s tha nth e greate r o f eithe r 1 0 percen t o f th e pump s o r 3 pumps , a s calculate da s a 6-month-rollin g average , inth e proces s uni t (o r facility) . Onc e th e performanc e leve l i s achieved , th e owne r o r operato r shal l compl y wit hthe ' requirement s in§XX.X2 - 2 . (c ) I f i na subsequen t monitorin g perio dth e proces s uni t (o r facility ) ha s greate r tha n1 0 percen t o f th e pump s leakin g o r 3 pump s leakin g (calculate da s a 6-month-roTlin g average) , th e owne r o r operato r shal l resum e th e qualit y

improvemen t progra m startin g a t performanc e trials . (d ) Th e qualit y

improvemen t progra m shal l includ e th e following : (1 ) Th e owne r o r operato r shal l compl y wit hth e requirement s in§XX.X2 - 2 . (2 ) Th e owne r o r operato r shal l collec t th e followin g data , an dmaintai n record s a s require din§XX.X6(|) , fo r eac hpum pineac hproces s uni t (o r facility ) subjec t t o th e QIP . Th e dat a ma y b e collecte dan

dth e record s ma y b e maintaine do

na proces s uni t o r facilit y basis . (i ) Pum ptyp e (e.g. , piston , horizonta l o r vertica l centrifugal , gear , bellows) ; pum

pmanufacturer ; sea l typ e an dmanufacturer ; pum

pdesig n(e.g. , externa l shaft , flange dbody) ; material s o f construction ; i f applicable , barrie r flui do r packin g material ; andyea r installed . (ii ) Servic e characteristic s o f th e stream suc ha s discharg e pressure , temperature , flow

rate , corrosivity , andannua l operatin g hours .

4 7Draf t 9/26/9 0 (iii ) Th e maximu

m instrumen t reading s observe dineac hmonitorin g observatio nbefor e repair , respons e facto r fo r th e stream i f appropriate , instrumen t mode l number , an ddat e o f th e observation . (iv ) I f a lea k i s detecte dth e repai r method s use dan dth e instrumen t reading s afte r repair . (v ) I f th e dat a wil l b e analyze da s par t o f a large r analysi s program involvin g dat a fro

m othe r plant s o r othe r type s o f proces s units , a descriptio no f an

y maintenanc e o r qualit y assuranc e program s use di nth e proces s uni t tha t ar e intende dt o improv e emissio nperformance . (3 ) Th e owne r o r operato r shal l continu e t o collec t dat a onth e pump s a s lon g a s th e proces s uni t (o r facility ) remain s inth e qualit y improvemen t program . (4 ) Th e owne r o r operato r shal l inspec t al l pump s o r pum pseals T w44hwhic hexhibite dfrequen t sea l failures - andwer e remove dfro m th e proces s uni t du e t o leaks . Th e inspectio nshal l determin e th e probabl e caus e o f th e pum psea l failur e o r o f th e pum plea k an

dshal l includ e recommendations , a s appropriate , fo r desig nchange s o r change s inspecification s t o reduc e lea k frequencypotential . (5)(i ) Th e owne r o r operato r shal l analyz e th e dat a collecte dt o compl y wit hth e requirement s o f paragrap h(d)(2 ) o f thi s sectio nt o determin e th e services , operatin g o r maintenanc e practices , an dpum po r pum

psea l design s o r technologie s tha t hav e poore r tha naverag e emissio nperformanc e an dthos e tha t hav e bette r tha naverag e emissio nperformance . Th e analysi s shal l determin e i f specifi c troubl e area s ca nb e identifie do nth e basi s o f service , operatin g



### 4 8P.5 3

Draf t 9/26/9 0 condition s o r maintenanc e practices , equipmen t design , o r othe r proces s specifi c factors . (ii ) Th e analysi s shal l als o b e use dt o determin e i f ther e ar e superio r performin g pum

po r pum

psea l technologie s tha t ar e applicabl e t o th e service(s) , operatin g conditions , o r pum por pum psea l design s associate dwit h
poore r tha naverag e emissio nperformance . A superio r performin g pum po r pum

p Ullfftechnolog y

i s on e wit ha lea k frequenc y of les s tha n1 0 percen t fo r specifi c application s inth e proces s uni t o r facility . A candidat e superio r performin g pum

p|||||i||||i||technolog y i s on e demonstrate dor reporte dinth e availabl e literatur e or throug ha grou pstudy a s havin g low

emissio n performanc e anda s bein g capabl e of achievin g les s tha n1 0 percen t leakin g pump s inth e proces s uni t (o r facility) . (iii) Th e analysi s shal l includ e consideratio nof : (A ) Th e dat a obtaine dfro m th e inspection s of pump s an dpum pseal s

remove dfro

m th e proces s uni t du e t o leaks ; (B ) Informatio nfro

m th e |$I||1$| | literatur e an dfro m othe r facilities ' experienc e tha t wil l identif y pum pdesign s o r technologie s an doperatin g condition s associate dwit hlow emissio nperformanc e fo r specifi c services ; an d (C ) Informatio nonlimitation s onth e servic e condition s fo r the.pum p

sea l technolog y

operatin g condition s a s wel l a s informatio nonmaintenanc e procedure s t o ensur e continue dlow emissio nperformance . (iv ) Th e dat a analysi s ma y b e conducte dthroug ha ninter - or intracompan y

progra m

(o r throug hsome combinatio nof th e two approaches ) an d

ma y b e fo r a singl e proces s unit , a facility , a company , or a grou po f proces s units .

4 9P.5 4

Draf t 9/26/9 0 (v ) Th e firs t analysi s o f th e dat a shal l b e complete dn o late r tha n1 8 month s afte r th e star t o f th e qualit y improvemen t program . Th e firs t analysi s shal l b e performe dusin g a minimum o f 2 quarter s 6 month s o f data . A n analysi s o f th e dat a shal l b e don e eac hyea r th e proces s uni t i s inth e qualit y improvemen t program . (6 ) A tria l evaluatio nprogra m shal l b e conducte da t eac hfacilit y fo r whic hth e dat a analysi s doe s no t identif y us e ofsuperio r performin g pum psea l technolog y

o r pump s tha t ca nb e applie dt o th e area s identifie da s havin g poore r tha naverag e performance , excep t a s provide dinparagrap h(d)(6)(v ) o f thi s section . Th e tria l progra m shal l b e use dt o evaluat e th e feasibilit y o f usin g i nth e proces s uni t (o r facility ) th e pum pdesign s o r sea l technologies ,
an doperatin g an

dmaintenanc e practice s tha t hav e bee nidentifie db y other s a s havin g low

emissio nperformance . (i ) Th e tria l progra m shal l includ e on-lin e trial s o f pum psea l technologie s o r pum

pdesign s an

doperatin g an

dmaintenanc e practice s tha t hav e bee nidentifie dinth e availabl e literatur e o r inanalysi s b y other s a s havin g th e abilit y

t o perfor m

wit hlea k rate s belo w 1 0 percen t insimila r services ,
a s havin g low

probabilit y

o f failure , o r a s havin g n o externa l actuatin g mechanis m

incontac t wit hth e proces s fluid . I f an y o f th e candidat e superio r performin g pum

psea l technologie s o r pump s i s no t include di nth e performanc e trials , th e reason s fo r rejectin g specifi c technologie s from consideratio n shal l b e documente da s require din§XX.X6(ffl)(6)(ii) . (ii ) Th e numbe r o f pum psea l technologie s o r pump s i nth e tria l evaluatio nprogra m

shal l b e equa l t o th e lesse r o f 1 percen t o f th e pump s up t o a maximum

o f o r 2 pump s fo r program s involvin g singl e proces s unit s an d|| |

5 0Draf t 9/26/9 0

|I||111|^ 1 percen t o f th e pump s u pt o a maximu

m o f $I| 5 valve s pump s fo r program s involvin g a facilit y o r group s o f proces s units . Th e minimu m numbe r

o f pump s o r pum

psea l technologie s i na tria l program

shal l b e 1 . (iii ) Th e tria l evaluatio nprogram shal l specif y

andinclud e documentatio nof : (A ) Th e candidat e superio r performin g pum psea l design s o r technologie s t o be evaluated , th e stage s fo r evaluatin g th e identifie dcandidat e pum p design s o r pum

psea l technologies , includin g th e time perio dnecessar y t o tes t th e applicability ; (B ) Th e frequenc y

o f monitorin g o r inspectio no f th e equipment ; (C ) Th e rang e o f operatin g condition s ove r whic hth e componen t wil l b e evaluated . (D ) Conclusion s regardin g th e emissio nperformanc e an dth e appropriat e operatin g condition s andservice s fo r th e tria l pum psea l technologie s o r pumps . (iv ) Th e performanc e trial s shal l initiall y b e conducted , a t least , fo r

a 6 mont hperio dbeginnin g no t late r tha n1 8 month s afte r th e star t o f th e qualit y improvemen t program . No late r tha n2 4 month s afte r th e star t o f th e qualit y improvemen t program , th e owne r o r operato r shal l hav e identifie dpum p

sea l technologie s o r pum pdesign s that , combine dwit happropriat e process , operating , an

dmaintenanc e practices , hav e bee ndemonstrate dt o operat e wit h low emissio nperformanc e fo r specifi c application s inth e proces s unit . Th e

owne r o r operato r shal l continu e t o conduct performanc e trial s a s lon g a s th e proces s uni t (o r facility ) ha s greate r tha n1 0 percen t leakin g pump s o r 3 leakin g pumps , whicheve r i s greater , calculate da s a 6-month-rolling-average ,

5 1Draf t 9/26/9 0

excep t a s provide dinparagrap h(d)(6)(vi ) o f thi s section . Th e initia l lis t

o f demonstrate dsuperio r emissio nperformanc e pum pdesign s o r pum

psea l technologie s shal l b e amende dinth e future , a s appropriate , a s additiona l informatio nandexperienc e i s obtained . (v ) Any corporatio nplan t sit e wit hfewe r tha n50 0 valve s an dflangcs|| | ||i|i | an

di s owne dby

a corporatio nwit hfewe r tha n10 0 employee s shal l b e exemp t fro

m tria l evaluation s o f pum pseal s o r pum

pdesigns . Corporation s Plan t site s exemp t fro m th e tria l evaluation s o f pump s shal l begi nth e pum p

sea l o r pum

preplacemen t program a t th e star t o f th e fourt hyea r o f th e qualit y improvemen t program . (Vi ) A nowne r o r operato r wh o ha s conducte dperformanc e trial s onal l alternativ e superio r emissio nperformanc e technologie s suitabl e fo r th e require dapplication s inth e proces s uni t ma y sto pconductin g performanc e trial s provide dtha t i t i s demonstrate dther e ar e n o technicall y feasibl e alternativ e superio r technologie s remaining . Th e owne r o r operato r shal l
prepar e anengineerin g evaluatio ndocumentin g th e physical , chemical , o r engineerin g basi s fo r th e judgemen t tha t th e superio r emissio nperformanc e technolog y

i s technicall y

infeasibl e o r demonstratin g tha t i t woul dno t reduc e emissions . (7 ) Eac howne r o r operato r shal l prepar e andimplemen t a pum pqualit y
assuranc e progra m

tha t detail s purchasin g specification s andmaintenanc e procedure s fo r al l pump s an dpum pseal s i nth e proces s unit . Th e qualit y
assuranc e progra m

ma y establis han

y numbe r o f categories , o r classes , o f pump s

a s neede dt o distinguis hamon g operatin g condition s an dservice s associate d wit hpoore r tha naverag e emissio nperformanc e a s wel l a s thos e associate dwit h

5 2Draf t 9/26/9 0

bette r tha naverag e emissio nperformance . Th e qualit y assuranc e program

shal l be develope dconsiderin g th e finding s o f th e dat a analysi s require dunde r paragrap h(d)(5 ) o f thi s section , i f applicable , th e finding s o f th e tria l evaluatio nrequire dinparagrap h(d)(6 ) o f thi s section , an dth e operatin g condition s inth e proces s unit . Th e qualit y assuranc e program

shal l be update d

eac hyea r a s lon g a s th e proces s uni t ha s 1 0 percen t o r mor e leakin g pump s o r ha s 3 leakin g pumps . (i ) Th e qualit y

assuranc e program

shall : (A ) Establis hminimu

m desig nstandard s fo r eac hcategor y o f pump s o r pum psea l technology . Th e desig nstandard s shal l specif y know ncritica l parameter s suc ha s tolerance , manufacturer , material s o f construction , previou s usage , o r othe r applicabl e identifie dcritica l parameters ; (B ) Requir e tha t al l equipmen t order s specif y th e desig nstandar d(o r minimu m tolerances ) fo r th e pum po r th e pum

pseal ; (C ) Provid e fo r a

naudi t procedur e fo r qualit y contro l o f purchase d equipmen t t o ensur e conformanc e wit hpurchas e specifications . Th e audi t program ma y b e conducte db

y th e owne r o r operato r o f th e facilit y o r proces s uni t o r b

y a designate drepresentative . (D ) Detai l off-lin e pum pmaintenanc e an

drepai r procedures . Thes e procedure s shal l includ e provision s t o ensur e tha t rebuil t o r refurbishe d
pump s an dpum pseal s wil l mee t th e desig nspecification s fo r th e pum pcategor y

an dwil l operat e suc htha t emission s ar e minimized . (E ) Detai l th o proces s uni t maintenanc e program t o ensur e continue dlo w omissio nperformance .



### 5 3P.5 8

Draf t 9/26/9 0 (ii ) Th e qualit y

assuranc e program

shal l b e establishe d n o late r tha n th e en do f th e secondstar t o f th e thir dyea r o f th e qualit y improvemen t program fo r -larg

o corporationsplan t site s wit h40 0 o r mor e valve s o r 10 0 o r

mor e employees ; an

dno late r tha nth e en do f th e thir dstar t o f th e fourt h
yea r o f th e qualit y

improvmen t program

fo r smal l corporations - plan t site s wit h les s tha n40 0 valve s andles s tha n10 0 employees . (8 ) Beginnin g a t th e star t o f th e thir dyea r o f th e qualit y improvemen t program fo r large corporationsplan t site s wit h40 O o r mor e valve s o r 10 0 o r

mor e employee s an

da t th e star t o f th e fourt hyea r o f th e qualit y improvemen t program fo r smal l corporationsplan t site s wit hles s tha n40 0 valve s an dles s tha n10 0 employees , th e owne r o r operato r shal l replac e 2 0 percen t o r greate r

o f th e pump s o r pum

pseal s tha t ar e no t superio r emissio nperformanc e technolog y

annuall y

wit hpump s o r pum

pseal s tha t hav e bee nidentifie da s superio r emissio nperformanc e technolog y an dtha t compl y

wit hth e qualit y
assuranc e standard s fo r th e pum pcategory . Superio r emissio nperformanc e technolog y

i s pump s o r pum

pseal s wit hemissio nperformanc e whic hwhe n combine dwit happropriat e process , operating , an dmaintenanc e practice s wil l resul t i nles s tha n1 0 percen t leakin g pump s ina larg e populationfo r specifi c application s i nth e proces s uni t o r facility . Superio r emissio nperformanc e technolog y

include s materia l o r desig nchange s t o th e existin g pump , pum p seal , sea l suppor t system , installatio no f multipl e mechanica l seals , o r equivalent , o r pum

preplacement . (i ) Th e numbe r o f pump s o r pum pseal s t o b e replace d annuall y shal l be calculate dbase donth e tota l numbe r o f pump s inVHA P servic e tha t ar e in ligh t liqui dservice . Th e calculate dvalue shal l be rounde dt o th e neares t

5 4Draf t 9/26/9 0

nonzer o intege r value . Th e minimu m numbe r o f pump s o r pum pseal s shal l b e

one . (ii ) Th e owne r o r operato r ma y dela y replacemen t o f pum

pseal s o r pump s wit hsuperio r technolog y unti l th e nex t planne dshutdow no f th e proces s uni t provide dth e numbe r o f pum pseal s an

dpump s replace di s equivalen t t o th e 2 0
percen t o r greate r annua l replacemen t rate . (iii ) Th e pump s shal l be maintaine da s specifie dinth e qualit y
assuranc e program . §XX.X4- 1 Alternativ e mean s o f emissio nlimitation : General . (a ) Permissio nt o us e a nalternativ e mean s o f emissio nlimitatio nunde r sectio n112(e)(3 ) o f th e Clea nAi r Ac t shal l be governe db y th e followin g procedures : (b ) Wher e th e standar di s a nequipment , design , o r operationa l requirement : (1 ) Eac howne r o r operato r applyin g fo r permissio nshal l be responsibl e fo r collectin g an

dverifyin g tes t dat a fo r a nalternativ e mean s o f emissio n limitation . (2 ) Th e Administrato r wil l compar e tes t dat a fo r th e mean s o f emissio n limitatio nt o tes t dat a fo r th e equipment , design , an doperationa l requirements . (3 ) Th e Administrato r ma y conditio nth e permissio no nrequirement s tha t

ma y b e necessar y

t o assur e operatio nan dmaintenanc e t o achiev e th e same emissio nreductio na s th e equipment , design , an doperationa l requirements . (c ) Wher e th e standar di s a wor k practice :



### 5 5P.6 0

Draf t 9/26/9 0 (1 ) Eac howne r o r operato r applyin g fo r permissio nshal l be responsibl e fo r collectin g an

dverifyin g tes t dat a fo r a nalternativ e mean s o f emissio n limitation . (2 ) Fo r eac hsourc e fo r whic hpermissio ni s requested , th e emissio n reductio nachieve db

y th e require dwor k practice s shal l b e demonstrate dfo r a minimu m perio do f 1 2 months . (3 ) Fo r eac hsourc e fo r whic hpermissio ni s requested , th e emissio n reductio nachieve db

y th e alternativ e mean s o f emissio nlimitatio nshal l be demonstrated . (4 ) Eac howne r o r operato r applyin g fo r permissio nshal l commit , in writing , fo r eac hsourc e t o wor k practice s tha t provid e fo r emissio n reduction s equa l t o o r greate r tha nth e emissio nreduction s achieve db y th e require dwor k practices . (5 ) Th e Administrato r wil l compar e th e demonstrate demissio nreductio n fo r th e alternativ e mean s o f emissio nlimitatio nt o th e demonstrate demissio n reductio nfo r th e require dwor k practice s an dwil l conside r th e commitmen t i n paragrap h(c)(4) . (6 ) Th e Administrato r ma y conditio nth e permissio no nrequirement s tha t

ma y be necessar y

t o assur e operatio nan dmaintenanc e t o achiev e th e sam e I f liilllllemissio nreductio na s th e require dwor k practice s o f thi s subpart . (d ) A nowne r o r operato r ma y offe r a uniqu e approac ht o demonstrat e th e alternativ e mean s o f emissio nlimitation . (e)(1 ) Manufacturer s o f equipmen t use dt o contro l equipmen t leak s o f a VHA P ma y appl y t o th e Administrato r fo r permissio nfo r analternativ e mean s o f emissio nlimitatio ntha t achieve s a reductio ninemission s o f th e VHA P

5 6

B BP.6 1

Draf t 9/26/9 0 achieve db

y th e equipment , design , an doperationa l requirement s o f thi s subpart . (2 ) Th e Administrato r wil l gran t permissio naccordin g t o th e provision s

o f paragraph s (b) , (c) , an d(d) . §XX.X4- 2 Alternativ e mean s o f emissio nlimitation : Batc hprocesses . (a ) A s a nalternativ e t o complyin g wit hth e requirement s o f §§XX.X2| i throug hXX.X2-10 , XX.X2-12 , XX.X2-13 , XX.X3-1 , an d§XX,X3§§ , a

nowne r o r operato r o f a batc hproces s tha t operate s inVHA P servic e durin g th e calenda r yea r ma y compl y wit hon e o f th e standard s specifie dinparagraph s (b ) an d(c )

o f thi s section , o r th e owne r o r operato r ma y petitio nfo r approva l o f a n alternativ e standar dunde r th e provision s o f §XX.X4-1 . Th e alternativ e standard s o f thi s sectio nprovid e th e option ! o f pressur e testin g o r monitorin g th e equipmen t fo r leaks.—Th e owne r o r operato r shal l compl y wit h tho roquiromont s o f on e o f th e following ; on o o f th e alternativ e standard s specifie dinparagraph s (b ) an d(c ) o f thi s section , wit htho requirement s i n §XX.X 2 an

d§XX.X3 , o r wit ha

napprove dalternativ e mean s o f emissio n 1 imitation . (b ) Th e followin g requirement s shal l b e me t i f a nowne r o r operato r elect s t o us e pressur e testin g o f batc hproduct-proces s equipmen t t o demonstrat e complianc e wit hthi s subpart . A nowne r o r operato r wh o complie s wit hth e provision s o f thi s paragrap hi s exemp t fro m th e monitorin g provision s

o f §XX.X2-2 , $XX«X2-7 , §XX.X2-B , throug hXX.X2-10 , §XX.X2-12 , §XX.X2-13 , §XX.X3-1 , an

d§XX.X3| | o f thi s subpart . (1 ) Eac htime equipmen t i s reconfigure dfo r productio no f a product|| | ;lif||i|i|ll| , th e batc hproduct-proces s equipmen t trai nshal l b e pressur e

5 7P.6 2

Draf t 9/26/9 0
teste dfo r leak s befor e VHA P i s firs t fe dt o th e equipmen t an dth e equipmen t i s place di nVHA P service . Whe nth e sea l i s broke nbetwee ntwo item s o f equipmen t o r whe nequipmen t i s change di na sectio no f th e batc hproduct proces s equipmen t train , pressur e testin g i s require donl y fo r th e ne w

o r disturbe dequipment . Eac hbatc hproduc t proces s tha t operate s i nVHA P servic e durin g a calenda r yea r shal l b e pressur e teste da t leas t onc e durin g tha t calenda r year . (2 ) Th e batc hproduc t proces s equipmen t shal l b e teste dwit ha ga s usin g th e procedure s specifie din§XX.X5(f ) o r wit ha liqui dusin g th e procedure s specifie din§XX.X5(g) . (3)(i ) Fo r pressur e test s usin g a gas , a lea k i s detecte di f th e rat e o f chang e i npressur e i s greate r tha n1 psi g in1 hou r o r i f ther e i s visible , audible , o r olfactor y evidenc e o f flui dloss . (ii ) Fo r pressur e test s usin g a liquid , a lea k i s detecte di f ther e ar e indication s o f liquid s drippin g o r i f ther e i s othe r evidenc e o f flui dloss . (4)(i ) I f a lea k i s detected , i t shal l be repaire dan dth e batc h product-proces s equipmen t shal l b e reteste dbefor e VHA P i s fe dt o th e equipment . (ii ) I f a batc hproduct-proces s tha t fail s th e retes t o r th e secon do f
two consecutiv e pressur e tests , i t shal l b e repaire da s soo na s practicable , bu t no t late r tha n3 0 calenda r day s afte r th e equipmen t i s place di nVHA P service , provide dth e condition s specifie dinparagrap h(d ) o f thi s sectio n

ar e met .



### 5 8P.6 3

Draf t 9/26/9 0 (c ) Th e followin g requirement s shal l b e me t i f a nowne r o r operato r elect s t o monito r th e equipmen t t o detec t leak s b y th e metho dspecifie din §XX.X5(b ) t o demonstrat e complianc e wit hthi s subpart . (1 ) Th e owne r o r operato r shal l compl y wit hth e requirement s o f §§XX.X2 - 2 t o XX.X2-9 , §§XX.X2-1 1 t o XX.X2-13 , XX.X3- 1 an d§XX.X3i| . (2 ) Th e equipmen t shal l be monitore dfo r leak s b y th e metho dspecifie d in§XX.X5(b ) whe nth e equipmen t i s inVHA P service , inus e wit ha nacceptabl e surrogat e volatil e organi c compoun dwhic hi s no t a VHA P o r i s inus e wit han y othe r detectabl e ga s o r vapor . (3 ) Th e equipmen t shal l be monitore dfo r leak s a s specifie dbelow : (i ) Eac htime th e equipmen t i s reconfigure dfo r th e productio no f a product , th e reconfigure dequipmen t shal l b e monitore dfo r leak s withi n3 0 day s o f bein g returne dt o VHA P service . Thi s initia l monitorin g o f reconfigure dequipmen t shal l no t b e include dindeterminin g percen t leakin g equipment . (ii ) Flango s Connector s shal l be monitore di naccordanc e wit hth e requirement s in§XX.X2-13 . (iii ) Equipmen t othe r tha nconnector s shal l be monitore da t th e frequencie s specifie di nth e tabl e below b y th e proportio no f th e yea r th e batc hproduct-proces s equipmen t trai ni s operatin g wit hprocesse s tha t us e VHA P an dth e monitorin g frequenc y fo r continuou s processes . Equivalen t Continuou s Batc hproces s Proces s Hon i tor i n dFrequenc y tim e i nus e Monthl y Quarterl y

Semiannuall y 0 t o <25 % Quarterl y Annuall y

Annuall y

5 92 5 t o <50 % 5 0 t o <75 % 7 5 t o 100 % Draf t 9/26/9 0

Quarterl y

Semiannuall y

Annuall y Bimonthl y

Thre e time s Semiannuall y Monthl y Quarterl y

Semiannuall y (iv ) Valve s ma y

be monitore donc e pe r yea r an dpump s an

dagitator ! seal s

ma y b e monitore donc e pe r quarte r i f th e time eac hindividua l ite m o f equipmen t i s inVHA P servic e i s les s tha n219 0 hour s ina calenda r year . (v ) Th e monitorin g frequencie s specifie d i nparagrap h(c)(3)(iii ) o f thi s sectio nar e no t requirement s fo r monitorin g a t specifi c interval s an dcan be adjuste dt o accomodat e proces s operations . A nowne r o r operato r ma y monito r anytim e durin g th e specifie dmonitorin g perio d(e.g. , month , quarter , year) , provide dth e monitorin g i s conducte da t a reasonabl e interva l afte r completio no f th e las t monitorin g campaign . Fo r example , i f th e equipmen t i s

no t operatin g durin g th e schedule dmonitorin g period , th e monitorin g ca nbe don e durin g th e nex t perio dwhe nth e proces s i s operating . (4 ) I f a lea k i s detected , i t shal l be repaire da s soo na s practicabl e bu t no t late r tha n1 5 calenda r day s afte r i t i s detected , excep t a s provide d inparagrap h(d ) o f thi s section . (d ) Dela y

o f repai r o f equipmen t fo r whic hleak s hav e bee ndetecte di s allowe di f th e replacemen t equipmen t i s no t availabl e providin g th e followin g condition s ar e met : (1 ) Equipmen t supplie s hav e bee ndeplete dan dsupplie s hav e ||||bee n sufficientl y

stocke dbefor e th e supplie s wer e depleted . (2 ) Th e repai r i s mad e n o late r tha n1 0 calenda r day s afte r deliver y o f th e replacemen t equipment .



### 6 0P.6 5

Draf t 9/26/9 0 §XX.X4- 3 Alternativ e mean s o f emissio nlimitation : Enclosed-vente d proces s units

. Proces s unit s enclose d i n suc h a manne r tha t al l emission s fro m equipmen t leak s ar e vente d throug h a close d ven t syste mt o a contro l devic e meetin g th e requirement s o f §XX.X2-1 1 ar e exemp t fro mth e monitorin g requirement s o f §§XX.X2-2 , XX.X2-7 , XX.X2-8 , XX.X2-12 , and XX.X2-13
. Th e enclosur e shal l b e maintaine d unde r a negativ e pressur e a t al l time s whil e th e proces s uni t i s i n operatio n t o ensur e tha t all
. emission s ar e route d t o a contro l device

. §XX.X 5 Tes t method s an d procedures . (a ) Eac h owne r o r operato r subjec t t o th e provision s o f thi s subpar t shal l compl ywit h th e tes t method s and procedure s requirement s provide d i n thi s section

. (b ) Monitoring , a s require d i n §XX.X2 , §XX.X3 , and §XX.X4 , shal l compl y wit h th e followin g requirements : (1 ) Monitorin g shal l compl ywit h Referenc e Metho d 21
. (2 ) Th e detectio n instrumen t shal l mee t th e performanc e criteri a o f Referenc e Metho d 21
. (3 ) Th e instrumen t shal l b e calibrate d befor e us e o n eac h da yo f it s us e b yth e procedure s specifie d i n Referenc e Metho d 21
. (4 ) Calibratio n gase s shal l be : (i ) Zer o ai r (les s tha n 0. 2 pp mo f hydrocarbo n i n air) ; and 

### (ii)(A ) Fo r Phas e I , a mixtur e o f methan e andai r a t a concentratio no f approximately , bu t les s tha n10,00 0 ppm .

6 1

### Draf t 9/26/9 0

(B ) forfPlias e II , a mixtur e o f methan e andai r a t a concentratio no f approximately , bu t les s tha n10,00 0 pp m fo r agitators , 5,00 0 pp m fo r pumps , and50 0 pp

m fo r al l othe r equipment , excep t a s provide di nsubparagrap h |b)(4)(iii ) o f thi s paragraph . (C ) Fo r Phas e III , a mixtur e o f methan e an dai r a t a concentratio no f approximately , bu t les s than , 10,00 0 pp m methan e fo r agitator | seals , 2,00 0 pp m fo r pump s i nfood/medica l service , 5,00 0 pp m fo r pump s i npolymerizin g
monome r service , 1,00 0 pp m fo r al l othe r pumps , an d50 0 pp m fo r al l othe r equipment , excep t a s provide di nsubparagrap h(b)(4)(iii ) o f thi s paragraph . (iii ) Th e instrumen t ma y b e calibrate da t a highe r methan e concentratio n
u pt o 2,00 0 pp

m tha nth e lea k definitio nconcentratio nfo r a specifi c piec e o f equipmen t fo r monitorin g tha t piec e o f equipment . Th e instrumen t ma y no t b e calibrate da t a lowe r methan e concentratia ntha nth e lea k definitio n concentratio nfo r a specifi c piec e o f equipment . (5 ) Th e instrumen t prob e shal l b e traverse daroundal l potentia l lea k interface s a s clos e t o th e interfac e a s possibl e a s describe di nReferenc e Metho d21 . (6 ) Th e instrumen t respons e factor s shal l b e considere di nth e followin g
manner : (i ) Th e respons e factor s use dshal l b e th e instrumen t respons e facto r determine dfo r th e individua l VHA P a t 50 0 ppm . Th e respons e factor s may be obtaine dfro

m th e availabl e literature , th e instrumen t manufacturer , o r determine dfo r th e specifi c instrumen t an dVHAP .

6 2P.6 7

Draf t 9/26/9 0 (ii ) I f th e respons e factor s a t 50 0 pp m fo r 9 0 percen t by weigh t o r mor e

o f th e individua l VHA P ar e les s tha n3 , th e instrumen t reading s ma y be use d withou t adjustmen t fo r respons e factors . (iii ) I f th e respons e factor s a t 50 0 pp m fo r 9 0 percen t b

y weigh t o r

mor e o f th e individua l VHA P ar e no t los s tha n3 o r greater , the na weighte d
averag e respons e facto r fo r th e VHA P inth e proces s strea m shal l be calculate d usin g th e procedure s specifie dinparagrap h(b)(6)(iv ) o f thi s section . I f th e proces s strea

m weighte daverag e respons e facto r i s les s tha n3 , th e instrumen t reading s ma y

b e use dwithou t adjustmen t fo r respons e factors . I f th e proces s strea m weighte daverag e respons e facto r i s greate r tha n3 , th e instrumen t reading s shal l b e adjuste dfo r respons e factor s a s indicate dbelow : (A ) Correc t th e instrumen t reading s b y multiplyin g b

y th e respons e factor . (B ) Selec t anothe r instrument , determin e o r obtai ninstrumen t respons e factor s fo r th e VHA P inquestion , an d evaluat e th e nee dfo r adjustmen t a s specifie dinparagraph s (b)(6)(ii ) an d(b)(6)(iii ) o f thi s section . (C ) Calibrat e th e instrumen t wit ha differen t referenc e compoun d o r mixtur e (i.e. , on e o f th e VHAP , a VO C othe r tha nmethane , o r th e proces s strea m mixture ) s o tha t th e instrumen t ha s a respons e facto r fo r 9 0 percen t o f th e VHA P o r fo r th e proces s strea m les s tha n3 . (iv ) Th e proces s strea m averag e respons e facto r shal l b e calculate d a s follows :

R F = i= l
rv r av g i(%C,)(RF C l )



## 4 (%c,) i = 1 6 3Draf t 9/26/9 0 Where : ftVHAPli = Weigh t percen t Mola r fraction , o r volum e percen t i f i n gaseou s form , o f VHAP t organi c compoun di inth e proces s stream wit hN VHAP . RF^^ j = Respons e facto r o f th e instrumen t fo r *\tt4AP t |||§|| I compoun di a t 50 0 ppm . (c ) Whe nequipmen t i s teste dfo r complianc e a s require din§XX.X2-3(i) , §XX.X2-4 , an

d§XX.X2-ll(f) , th e tes t shal l compl y wit hth e followin g requirements : (1 ) Th e requirement s o f paragraph s (b)(1 ) throug h(4 ) shal l apply . (2 ) Th e backgroun dleve l shal l b e determined , a s se t fort hinReferenc e Metho d21 . (3 ) Th e instrumen t prob e shal l be traverse daroun dal l potentia l lea k interface s a s clos e t o th e interfac e a s possibl e a s describe dinReferenc e Metho d21 . (4 ) Th e arithmeti c differenc e betwee nth e maximu m concentratio n indicate db

y th e instrumen t an

dth e backgroun dleve l i s compare dwit h50 0 pp m fo r agitato r seals , 5 0 pp m fo r pumps , an

d2 5 pp m fo r al l othe r equipmen t fo r determinin g compliance . (d)(1 ) Eac hpiec e o f equipmen t withi na proces s uni t tha t ca nreasonabl y b e expecte dt o contai nequipmen t i nVHA P servic e i s presume dt o b e inVHA P servic e unles s a

nowne r o r operato r demonstrate s tha t th e piec e o f equipmen t i s no t inVHA P service . Fo r a piec e o f equipmen t t o b e considere dno t i nVHA P service , i t mus t be determine dtha t th e percen t VHA P conten t ca nb e reasonabl y expecte dno t t o excee d5 percen t b y weigh t durin g th e calenda r year . Fo r



### 6 4

• aDraf t 9/26/9 0

purpose s o f determinin g th e percen t VHA P conten t o f th e proces s flui dtha t i s containe dino r contact s equipment , Metho d1 8 shal l b e used . (2)(i ) A nowne r o r operato r ma y us e goo dengineerin g judgmen t rathe r tha nth e procedure s inparagrap h(1 ) t o determin e tha t th e percen t VHA P conten t doe s no t excee d5 percen t b y weight . Whe na

nowne r o r operato r an d th e Administrato r d o no t agre e o nwhethe r a piec e o f equipmen t i s no t inVHA P service , however , th e procedure s inparagrap h(d)(1 ) o f thi s sectio nshal l b e

use dt o resolv e th e disagreement . (ii ) Conversely , th e owne r o r operato r ma y determin e tha t th e VHA P conten t o f th e proces s flui ddoe s no t excee d5 percen t b y weigh t by , fo r example , accountin g fo r 9 8 percen t o f th e conten t an dshowin g tha t VHA P i s les s tha n3 percent . (3 ) I f a nowne r o r operato r determine s tha t a piec e o f equipmen t i s i n VHA P service , th e determinatio nca nb e revise dafte r followin g th e procedure s inparagrap h(d)(1 ) o f thi s section , o r b y documentin g tha t a chang e inth e proces s o r ra

w material s no longe r cause s th e equipmen t t o be inVHA P service . (4 ) Sample s use dindeterminin g th e percen t VHA P conten t shal l be representativ e o f th e proces s flui d tha t i s containe di no r contact s th e equipment . (e ) Referenc e method s use d indeterminin g Complianc e wit hflare s ar e thos e require din§60.18 . (f ) Th e followin g procedure s shal l b e use dt o pressur e tes t batc h product-proces s equipmen t usin g a ga s (e.g. , ai r o r nitrogen ) t o demonstrat e complianc e wit hth e requirement s o f §XX.X4-2 |



### 6 5P.7 0

Draf t 9/26/9 0 (1 ) Th e batc hproduct-proces s equipmen t trai nshal l be pressurize dwit h

a ga s t o th e operatin g pressur e o f th e equipment . Th e equipmen t shal l no t b e teste da t -te- a pressur e greate r tha nth e pressur e settin g o f th e lowes t relie f valv e setting . (2 ) Onc e th e tes t pressur e i s obtained , th e ga s sourc e shal l b e shu t off . (3 ) Th e tes t shal l continu e fo r no t les s tha n1 5 minute s unles s i t ca n b e determine dina shorte r perio do f time tha t th e tes t i s a fai l ureallowabl e rat e o f pressur e dro pwa s exceeded . Th e pressur e i nth e batc hproduct-proces s equipmen t shal l b e measure dafte r th e ga s sourc e i s shu t of f an da t th e en

do f th e tes t period . Th e rat e o f chang e inpressur e inth e batc hproduct-proces s equipmen t shal l b e calculate dusin g th e followin g equation : P = (P f - P,)/(t f -t, ) wher e P = chang e inpressure , psig/h r P f = fina l pressure , psi g P * = initia l pressure , psi g t f - t * = elapse dtime , hour s (4 ) Th e pressur e shal l b e measure dusin g a pressur e measuremen t devic e (gauge , manometer , o r equivalent ) whic hha s a precisio no f ±2. 5 m m H g inth e rang e o f tes t pressur e an di s capabl e o f measurin g pressure s u pt o th e relie f

se t pressur e o f th e pressur e relie f device . (g ) Th e followin g procedure s shal l b e use dt o pressur e tes t batc h product-proces s equipmen t usin g a liqui dt o demonstrat e complianc e wit hth e requirement s o f §XX.X4-2||11|11||1 .



### 6 6

M MP.7 1

Draf t 9/26/9 0 (1 ) Th e batc hproduct-proces s equipmen t train , o r sectio no f th e train , shal l b e fille dwit hth e tes t liqui d(e.g. , water , alcohol) . Onc e th e equipmen t i s filled , th e liqui dsourc e shal l b e shu t off . (2 ) Th e tes t shal l b e conducte dfo r a perio do f a t leas t 6 0 minutes , unles s i t ca nb e determine dina shorte r perio do f tim e tha t th e tes t i s a failure . (3 ) Eac hsea l inth e equipmen t bein g teste dshal l b e inspecte dfo r indication s o f liqui ddrippin g o r othe r indication s o f flui dloss . I f ther e

ar e an y indication s o f liquid s drippin g o r o f flui dloss , a lea k i s detected . (Sec . 11 4 o f th e Clea nAi r Ac t a s amende d(4 2 U.S.C . 7414). ) §XX.X 6 Recordkeepin g requirements . (a ) A nowne r o r operato r o f mor e tha non e proces s uni t subjec t t o th e provision s o f thi s subpar t ma y compl y wit hth e recordkeepin g requirement s fo r thes e proces s unit s inon e recordkeepin g system i f th e system

identifie s eac h

recor db y proces s uni t an

dth e progra m

bein g implemente d(e.g. , quarterl y monitoring , qualit y

improvement ) fo r eac htyp e o f equipment . Al l record s an d informatio nrequire db y thi s sectio nshal l b e maintaine dina lo g o r fil e tha t i s kep t i na readil y

accessibl e locationi na manne r tha t ca nb e readil y
accesse da t th e plan t site . Thi s coul dinclud e physicall y locatin g th e record s it

th e plan t sit e o r accessin g th e record s from a centra l locati§|§$ | compute r at tli

e plan t site . (b ) Excep t a s provide dinparagraph s (f ) an d(g ) o f thi s section , th e followin g informatio npertainin g t o al l equipmen t i neac hproces s uni t subjec t t o th e requirement s i n§XX.X2- 1 t o §XX.X2-1 3 shal l b e recorded :



### 6 7Draf t 9/26/9 0 (l)(i ) A lis t o f identificatio nnumber s fo r equipmen t (excep t connector s exemp t fro

m monitorin g an

drecordkeepin g identifie din§XX.X2-1 3 an d instrumentatio nsystems ) subjec t t o th e requirement s o f thi s subpar t an da sit e layou t showin g th e relativ e locatio no f th e equipmen t inth e proces s unit . (ii ) A

tabl e listin g b

y equipmen t identificatio nnumbe r th e lin e size , pressure , an

dstream servic e (i.e. , ligh t liquid , heav y liquid , o r gas ) o f

eac hite m o f equipment.—Th e tabl e shal l als o lis t th e monitorin g frequenc y

an dothe r provision s o f thi s subpar t tha t ar e bein g implemente dfo r eac hite m

o f equipment . (iii ) Physica l taggin g o f th e equipmen t t o indicat e tha t i t i s i nVHA P servic e i s no t required . Equipmen t subjec t t o th e provision s o f thi s subpar t

ma y b e identifie dona plan t sit e plan , inlo g entries , o r b y othe r appropriat e methods . (2)(i ) A lis t o f identificatio nnumber s fo r compressor s tha t th e owne r

o r operato r elect s t o designat e a s operatin g wit ha ninstrumen t readin g o f les s tha n50 0 pp

m abov e background , unde r th e provision s o f XX.X2-3(i) . (ii ) Th e designatio no f thi s equipmen t a s subjec t t o th e requirement s o f §XX.X2-3(i ) shal l b e signe db y th e owne r o r operator . (3 ) A lis t o f equipmen t identificatio nnumber s fo r pressur e relie f device s require dt o compl y wit h§XX.X2-4(a) . (4)(i ) Th e date s an

dresult s o f eac hcomplianc e tes t require di n§XX.X2 - 3(1 ) an dXX.X2-4 . (ii ) Th e backgroun dleve l measure ddurin g eac hcomplianc e test .



### 68

### Draf t 9/26/9 0

(iii ) Th e maximu

m instrumen t readin g measure da t *the-|||l|pi|||| | equipmen t durin g eac hcomplianc e test . (5 ) A lis t o f identificatio nnumber s fo r equipmen t invacuu m service . (6 ) Instrumentatio nsystem identification . Individua l component s inth e instrumentatio nsystem

nee dno t b e identified . (7 ) A lis t o f identificatio nnumber s fo r equipmen t i nVHA P servic e les s tha n30 0 hour s pe r yea r withi na proces s uni t tha t use s a s a reactan t o r make s
a s a nintermediat e o r fina l produc t an y o f th o chemical s liste dinAppendi x —subjec t t o th e provision s o f thi s subpar t unde r §XX,X0 . (8 ) A lis t o f connector s disturbe da s describe di n§XX.X2-I3(c) . (9 ) A lis t o f reconfigure deguipmen t i nbatc hproduc t proces s unit s a s describe di n§XX.X4-2(c)(3)(i) . (10 ) A lis t o f valve s remove dfrom th e proces s unit , a s considere di n §XX.X2-7(e)(l) , an da lis t o f connector s remove dfro m th e proces s unit , a s considere din§XX.X2-13(i)(l) . (c ) Whe neac hlea k i s detecte da s specifie di n§XX.X2-2 , §XX.X2-3 , §XX.X2-7 , §XX.X2-8 , §XX.X2-11 , §XX.X2-12 , an d§XX.X2-13 , th e followin g requirement s apply : (1 ) A weatherproo f an

dreadil y

visibl e identification , markedwit hth e equipmen t identificatio nnumber , shal l b e attache dt o th e leakin g equipment . (2 ) Th e identificatio nona valv e o r flang e connecto r ma y b e remove d afte r i t ha s bee nmonitore dfo r 2 successiv e month s a s specifie din §XX.X2-7(ef)(3 ) §XX.X2-13(e) , an d§XX.X3-i(e){7)(i){D) , an dno lea k ha s bee n detecte ddurin g thos e 2 monthsth e followu pmonitoring .

6 9P.7 4

Draf t 9/26/9 0 (3 ) Th e identificatio nonequipment , excep t o na valv e o r •H-an§econnettor , ma y

b e remove dafte r i t ha s bee nrepaired . (d ) Whe neac hlea k i s detecte da s specifie din§XX.X2-2 , §XX.X2-3 , §XX.X2-7 , §XX.X2-8 , §XX.X2-11 , §XX.X2-12 , an d§XX.X2-13 , th e followin g informatio nshal l b e recorde dan dkep t fo r 2 years , o r longe r i f specifie din tho facility

permit : (1 ) Th e instrumen t an doperato r identificatio nnumber s an dth e equipmen t identificatio nnumber . (2 ) Th e dat e th e lea k wa s detecte dan dth e date s o f eac hattemp t t o repai r th e leak . (3 ) Repai r method s applie dineac hattemp t t o repai r th e leak . (4 ) Maximu

m instrumen t readin g measure db y th e metho dspecifie din §XX.X5(b ) afte r i t i s sucessfull y repaire do r determine dt o be nonrepairable . (5 ) "Repai r delayed " an dth e reaso nfo r th e dela y i f a lea k i s no t repaire dwithi n1 5 calenda r day s afte r discover y o f th e leak . I f dela y o f repai r wa s caus e b

y depletio no f stocke d parts , ther e mus t b e documentatio n tha t th e spar e part s wer e sufficientl y stocke d befor e depletio nan dth e reaso n for,depletion . (6 ) Th e signatur e o f th e owne r o r operato r (or designate ) whos e decisio n i t wa s tha t repai r coul dno t b e effecte dwithou t a proces s shutdown . (7 ) Th e expecte ddat e o f successfu l repai r o f th e lea k i f a lea k i s no t repaire dwithi n1 5 calenda r days . (8 ) Date s o f proces s uni t shutdown s tha t occu r whil e th e equipmen t i s unrepaired . (9 ) Th e dat e o f successfu l repai r o f th e leak .

7 0

H___H___f

_Draf t 9/26/9 0 (e ) Th e followin g informatio nshal l be recorde dfo r eac hproces s uni t subjec t t o th e requirement s o f §XX.X2- 2 t o §XX.X2-13 : (1 ) A schedul e o f monitorin g fo r valve s an dfo r f1angesconnectors . (2 ) Th e numbe r o f leakin g pumps , th e tota l numbe r o f pumps , an dth e percen t leakin g pump s durin g eac hmonitorin g period . (3 ) Th e numbe r o f leakin g valves , th e tota l numbe r o f valves , al l if f credit s fo r remove dvalves , th e numbe r o f nonrepairabl e valves , an dth e percent leakin g valve s durin g eac hmonitorin g period . (4 ) Th e numbe r o f leakin g flanges||||||l||i , th e tota l numbe r o f monitore dflangosconnectors , al l credit s fo r remove dflangosconnectors , th e numbe r o f nonrepairabl e f1anges|l||l||||| , an dth e percent leakin g flange s Connector s durin g eac hmonitorin g period . (5 ) Th e date s an dduration s o f startup s an dshutdown s o f a proces s unit . (f ) Th e owne r o r operato r o f a batc hproduc t proce s wh o elect s t o pressur e tes t th e batc hproduc t proces s equipmen t trai nt o demonstrat e complianc e wit hthi s subpar t i s exemp t fro m th e requirement s o f paragraph s (b) , (c) , (d) , (e) , (i) , an d(k-$ ) o f thi s section . Instead , th e owne r o r operato r shal l maintai nrecord s o f th e followin g information : (1 ) A lis t o f identificatio nnumber s fo r eac hbatc hproduc t proces s equipmen t trai nuse dt o produc e product s durin g th e calenda r yea r an dth e are a

o f th e facilit y

wher e th e equpmen t trai ni s located . (2 ) Record s demonstratin g the.equipmen t i s inus e ina batc hproces s durin g th e calenda r year . Example s o f suitabl e documentatio nar e record s o f time inus e fo r individua l piece s o f equipmen t o r averag e tim e i nus e fo r th e proces s unit .

7 1

_____\Draf t 9/26/9 0 (3 ) Physica l taggin g o f th e equipmen t t o identifi y tha t i t i s i

nVHA P servic e an

dsubjec t t o th e provision s o f thi s subpar t i s no t required . Equipmen t i

na batc hproduc t proces s subjec t t o th e provision s o f thi s subpar t

ma y be identifie do

na plan t sit e plan , inlo g entries , o r b y othe r appropriat e methods . (4 ) Th e date s o f eac hpressur e tes t require din§XX.X4-2(b) , th e tes t pressure , an

dth e pressur e dro pobserve ddurin g th e test . (5 ) Record s o f an

y visible , audible , o r olfactor y evidenc e o f flui d loss . (g ) Whe na batc hproduc t proces s equipmen t trai ndoe s no t pas s 2 consecutiv e pressur e tests , th e followin g informatio nshal l b e recorde dina lo g an dkep t fo r 2 years , o r longe r i f spocifio dinth o facility' s permit : (1 ) Th e dat e o f eac hpressur e tes t an dth e dat e o f eac hlea k repai r attempt . (2 ) Repai r method s applie dineac hattemp t t o repai r th e leak . (3 ) Th e reaso nfo r th e dela y o f repair . (4 ) Th e expecte ddat e fo r deliver y o f th e replacemen t equipmen t an dth e actua l dat e o f deliver y o f th e replacemen t equipment . (5 ) Th e dat e o f successfu l repair . (h ) Th e followin g informatio npertainin g t o th e desig nrequirement s fo r closed-ven t system s an dcontro l device s describe din§XX.X2-1 1 shal l be recorded : (1 ) Detaile dschematics , desig nspecifications , an dpipin g an

d instrumentatio ndiagrams .



### 7 2Draf t 9/26/9 0 (2 ) Th e date s an

ddescription s o f an

y change s inth e desig n specifications . (3 ) A descriptio no f th e paramete r o r parameter s monitored , a s require d in§XX.X2-ll(e) , t o ensur e tha t contro l device s ar e operate d an d maintaine din conformanc e wit hthei r desig nan da nexplanatio no f why

tha t paramete r (or parameters ) wa s selecte dfo r th e monitoring . (4 ) Period s Date s an dduration s whe nth e closed-ven t system s an d contro l device s require din§XX.X2-2 , §XX.X2-3 , §XX.X2-4 , §XX.X2-5 , an d§XX.X2- 9 ar e

no t operate da s designe da s indicate db y th e monitore dparameters , includin g period s whe na flar e pilo t ligh t doe s no t hav e a flame . (5 ) Date s an dduration s durin g whic hth e monitorin g syste m o r monitorin g devic e i s inoperative . (56 ) Date s an

dduration s o f startups-a-n d shutdown s o f th e closed-ven t system s an

dcontro l device s require din§XX.X2-2 , §XX.X2-3 , §XX.X2-4 , §XX.X2-5 , an

d§XX.X2-9 . (i ) Th e followin g informatio npertainin g t o al l valve s subjec t t o th e requirement s o f §XX.X2-7(h ) an d(i ) an dal l flango s connector s subjec t t o th e requirement s o f §XX.X2-13(f) , (g) , an d(h ) shal l be recorded : (1 ) A lis t o f identification , number s fo r valve s an dflango s connector s tha t ar e designate da s unsafe-to-monitor , a nexplanatio nfo r eac hvalv e an d flang e ||i|||||plstatin g why th e valv e o r flang e connecto r i s unsafe-to monitor , an

dth e pla nfo r monitorin g eac hvalv e an df4angeconrtector . (2 ) A lis t o f identificatio nnumber s fo r valve s tha t ar e designate da s difficult-to-monitor , a nexplanatio nfo r eac hvalv e statin g why th e valv e i s difficult-to-monitor , an dth e planne dschedul e fo r monitorin g each^alve .

7 3P.7 8

Draf t 9/26/9 0 (3 ) A lis t o f identificatio nnumber s fo r flango s connector s tha t ar e designate da s unsafe-to-repai r an da nexplanatio nfo r eac hflang e iMl||| | statin g why

th e flang e connecto r i s unsafe-to-repair . (4 ) A lis t o f identificatio nnumber s fo r flango s tha t ar o designate da s inaccessibl e an

da nexplanatio nfo r eac hflang e statin g why th e flang e i s inaccessible . (j ) Th e followin g informatio nshal l be recorded : (1 ) Desig ncriterio nrequire din§XX.X2-2(e)(5 ) an d§XX.X2-3(e)(2 ) an

d

a nexplanatio no f th e desig ncriterion ; an d (2 ) Any change s t o thi s criterio nan dth e reason s fo r th e changes , (k ) Information , data , an danalysi s use dt o determin e tha t a piece o f equipmen t i s inheav

y liqui dservic e o r i s no t inVHA P servic e shal l b e recorded . (1 ) Th e dat e an

dduratio no f eac hproces s uni t startu pan dshutdown , an

d

eac hcontro l devic e malfunctio nshal l be recorded , i na lo g tha t i s kop t i na roadil y accosibl e location . (m ) Eac howne r o r operato r o f a-a naffecte dproces s uni t subjec t t o th e requirement s o f §XX.X3- 1 and§XX_X3- 2 shal l maintai nth e followin g record s fo r th e perio do f th e QIP , o r longe r i f specifie di nth e permi t fo r th e affecte d
proces s unit : (1 ) A descriptio no f th o program an da statemen t o f th o performanc e goals . (2 ) Record s o f al l dat a collecte do nth e pump s o r valve s subjec t t o th e requirement s o f §XX.X3.—Thes e record s wil l includ e a t a minimum th e followin g information ;

•tr" 7 4

MM MP.7 9



### Draf t 9/26/9 0 (i ) Th o dato , th e instrumen t an doperato r identificatio nnumbers , an d the equipmen t identificatio nnumber . (ii ) Maximu

m instrumen t reading moasuro db y the metho dspecifie di n §XX.X5(b) . (iii ) I f a lea k i s detected , tho repai r method s applie dineac hattemp t t o repai r th

o loa k an

dth o maximu m instrumen t reading moasuro dafte r eac h successfu l repai r o r i s dotormino dt o bo nonrepairable . (1 ) Fo r owner s o r operator s wh o elec t t o us e a reasonabl e furthe r |rogres s QIP , a s specifie di n§XX.X3-l(d) : (i ) Al l dat a reguire di n§XX.X3-1(d)(2) . (ii ) Th e percen t leakin g valve s observe deac hquarte r an dth e rollii| |
averag e percen t reductio nobserve dineac hquarter . (iii ) Th e beginnin g an

dendin g date s whil e meetin g th e requirementsfl f §XX.X3-l(d) . (2 ) Fo r owner s o r operator s wh o elec t t o us e a technolog y review an d improvemen t QIP , a s specifie di n§XX.X3-I(e) : (i ) Al l dat a reguire din§XX.X3-1(e)(2) . (ii ) Th e percen t leakin g valve s observe deac hquarter . (iii ) Documentatio no f al l inspection s conducte dunde r th e requirement s O f §XX.X3-l(e)(4 ) an

dany recoawiendation s fo r desig no r specificatio nchange s t o reduc e 1% & freguency . (iv ) Th e beginnin g an

dendin g date s whil e meetin g th e requirement s o f §XX.X3-l(e) . (3 ) Fo r owner s o r operator s subjec t t o th e requirement s o f §XX.X3-2 , pum pOJP :

7 5P.8 0

Draf t 9/26/9 0 (i ) AlTfrnt a reguire din§XX.X3-2(d)(2}

_ (ii ) Th e rolling averag e percen t leakin g pumps . (iii ) Documentatio no f al l inspection s conducte dunde r th e requirement s

o f §XX.X3-2(d)(4 ) an

dany recommendation s fo r desig no r specificatio nchange s t o reduc e lea k freguency . (iv ) Th e beginnin g an dendin g date s whil e meetin g th e reguirement s o f §XX.X3-2(d) . (4*! ) I f a lea k i s no t repaire dwithi n1 5 calenda r day s afte r discover y

o f th e leak , th e reaso nfo r th e dela y an dth e expecte ddat e o f successfu l repair . (v ) Record s o f material s o f construction , manufacturer , manufacturin g o r purchasin g tolerances , an dan y qualit y assuranc e procedure s uso d inpurchase , installatio no r operatio no f tho component . [Note;—Th e nex t 2 paragraph s wil l be elaborate do nafte r th e Q I program i s defined , i.e. , wha t kind s o f analyse s woul dbe appropriate. ] (3 ) Evaluation s o f componen t parameters , services , operatio npractice s

o r maintenanc e program s associate dwit hsignificantl y groato r lea k frequoncios , whic hma y includ e analyse s o f trend s o r association s betwee n equipmen t service , lin e pressure , material s o f construction , lin o size , an d otho r relevan t variable s an dlea k frequency . (4)(i ) Result s o f benc hscal e an dfiel devaluation s o f lo w emissio n performanc e technolog y includin g assessmen t o f applicability , maintenanc e neede dt o ensur e lo

w omissio nperformance , an dspecification s necessar y fo r qualit y contro l o f purchase dequipment.—Thes e evaluation s shal l includ e a



### 7 6

_____ _Draf t 9/26/9 0

lis t o f oquipmon t specifications , desig ncriteria , etc. , tha t ar e candidate s

o f performanc e tria l evaluation . (ii ) Evaluation s o f operatin g practice s an dmaintenanc e program s neede d
t o assur e continue dlo w omissio nperformance , whic hma y includ e analyse s o f trend s o r association s betwee nequipmen t service , lin e pressure , material s o f construction , lin e sizo , an dothe r relevan t variable s an dloa k frequency.—Th e record s shal l includ e tho dat a use d t o asses s th e effec t o f operatin g practice s an

dmaintenanc e ontho omissio nperformanc e o f equipment . {•&•)- • Schedul e an

dpla nfo r performanc e trial s o f lo w omissio npotentia l equipment . (6)(i ) A schedul e an

dpla nfo r installatio no f low emissio nequipmen t in th e proces s uni t subjec t t o th e requirement s in§XX.X3 . (ii ) Wher e equipmen t i s no t replace db y superio r equipment , tho owne r o r operato r mus t certif y documen t th o reason s tha t us e o f lo w omissio n performanc e equipmen t i s no t technicall y feasible . (5 ) Record s o f al l analyse s require din§XX.X3-l(e ) an d §XX.X3-2(d) . Th e record s wil l includ e th e following : (i ) A lis t identifyin g area s associate dwit hpoore r tha naverag e performanc e an dth e associate dservic e characteristic s o f th e stream , th e operatin g condition s andmaintenanc e practices . (ii ) T M reason s fo r rejectin g specifi c candidat e superio r emissio n 

### performin g v.alv

e o r pum ptechnology

from performanc e trials . (iii ) Th e lis t o f candidat e superio r amissio nperformin g valv e o r pum p technologies , an

ddocumentatio no f th e performanc e tria l program items require dunde r §XX.X3-1(e)(6)(iii ) and§XX.X3-2(d)(6)(iii) .

7 7



# mmDraf t 9/26/9 0 (iv ) Th e beginnin g dat e an d duratio no f performanc e trail s o f eac h candidat e superio r emissio nperformin g technology . (6 ) Al l record s documentin g th e qualit y assuranc e program

fo r valve s o r pump s a s specifie d i n§XX.X3-i(e)(7 ) an d §XX.X3-2(d)(7) . (7 ) Record s indicatin g tha t al l oquipmon t purchase d valve s o r pump s replace d o r modifie d durin g th e perio d o f th e QI P i s incomplianc e wit hth e qualit y assuranc e requirement s i n§XX.X3-l(e){7 ) an

d §XX.X3-2(d)(7) . (8 ) Documontatio no f operatin g practices , maintenanc e programs , an d
personne l trainin g tha t wil l b e use d t o achiev e lo w omissio nporformanco . (8 ) Record s documentin g complianc e wit hth e 2 0 percen t o r greate r annua l Hlfacemen t rat e fo r pump s a s specifie d i n§XX.X3-2(d)(8) . (9 ) Informatio nan

d dat a t o sho

w th e compan

y corporatio nha s fewe r tha n 10 0 employees , includin g employee s providin g professiona l an d te|l|||| |
contracte d services . (n ) Owner s an

d operator s choosin g t o compl y wit hth e requirement s o f §XX.4-3 , shal l maintai nth e followin g records : (1 ) Identificatio no f th e proces s unit(s ) an d th e VHAP s the y

handle . (2 ) A schemati c o f th e proces s unit , enclosure , an d close d ven t system . (3 ) A descriptio no f th e syste m use d t o creat e a negativ e pressur e i n th e enclosur e t o ensur e tha t al l emission s ar e route d t o th e contro l device . (o ) Th e provision s o f §61.14(f ) d o no t appl y t o proces s unit s subjec t t o thi s subpart . (Sec . 11 4 o f th e Clea nAi r Ac t a s amende d (4 2 U.S.C . 7414). ) '(Approve d b

y th e Offic e o f Managemen t an d Budge t unde r contro l numbe r

_ • )

7 8P.8 3

Draf t 9/26/9 0 §XX.X 7 Reportin g requirements . (a)(1 ) A nowne r o r operato r o f a proces s uni t subjec t t o th e provision s

o f thi s subpar t shal l submi t a statemen t inwritin g s o notifyin g th e Administrato r . (2 ) I nth e cas e o f a

nexistin g proces s uni t o r a ne w proces s uni t whic h ha s a ninitia l startu pdat e precedin g th e effectiv e date , th e statemen t i s t o be submittedwithi n9 0 calenda r day s o f th e effectiv e dateapplicabilit y date s specifie di n§XX.X0(b) , unles s a waive r o f complianc e i s grante dunde r §61.11 , alon g wit hth e informatio nrequire dunde r §61.10 . I f a waive r o f complianc e i s granted , th e statemen t i s t o b e submitte do na dat e scheduledb y th e Administrator . (3 ) I nth e cas e o f ne w

proces s unit s whic hdi dno t hav e a ninitia l
startu pdat e precedin g th e effectiv e date , th e statemen t shal l be submitte d wit hth e applicatio nfo r approva l o f construction , reconstruction , o r modificatio na s describe di n§61.07 . (4 ) Th e statemen t i s t o contai nth e followin g informatio nfo r eac h
proces s unit , excep t a s provide dinparagrap h(b)(5 ) o f thi s section : (i ) Proces s uni t identification . (ii ) Numbe r o f eac hequipmen t typ e (e.g. , valves , pumps ) excludin g equipmen t designate dfo r n o detectabl e omission s undo r th o provision s o f §XX.X 2 2 an

dthos e i nvacuu

m service , (iii ) Metho do f complianc e wit hth e standar d(fo r example , "monthl y lea k detectio nan

drepair " o r "equippe dwit hdua l mechanica l seals") . (iv ) Planne dschedul e fo r eac hphas e o f th e requirement s o f thi s subpart .

7 9Draf t 9/26/9 0 (5 ) Th e statemen t i s t o contai nth e followin g informatio nfo r eac h
proces s uni t subjec t t o th e requirement s in§XX.X4-2(b) : (i ) Batc hproduc t proces s equipmen t trai nidentification , an d (ii ) Planne dschedul e fo r pressur e testin g th e batc hproduc t proces s equipmen t train . (b ) Excep t a s provide dinparagrap h(c ) o f thi s section , a repor t shal l b e submitte dt o th e Administrato r semiannuall y startin g 6 month s afte r th e initia l repor t require dinparagrap h(a ) o f thi s section , tha t include s th e followin g information : (1 ) Proces s uni t identification , frequenc y o f monitoring , an

dspecifi c provision s o f thi s subpar t bein g implemented . (2 ) Fo r eac hmonitorin g perio ddurin g th e semiannua l reportin g period , (i ) Th e numbe r o f valve s fo r whic hleak s wer e detecte da s describe di n §XX.X2-7(b) , th e percen t leakers , an dth e tota l numbe r o f valve s %es*edmonitored ; (ii ) Th e numbe r o f valve s fo r whic hleak s wer e no t repaire d a s require d in§XX.X2-7(f) . (iii ) Th e numbe r o f pump s fo r whic hleak s wer e detecte da s describe di n §XX.X2-2(b) , th e percen t leakers , and th e tota l numbe r o f pump s monitored . (iv ) Th e numbe r o f pump s fo r whic hleak s wer e no t repaire da s require d 

### in§XX,X2-2C$> - (v ) Th e numbe r o f compressor s fo r whic hleak s wer e detecte da s describe d in§XX.X2-3(f) . (vi ) Th e numbe r o f compressor s fo r whic hleak s wer e no t repaire da s require din§XX.X2-3(g) .
8 0

_______ _Draf t 9/26/9 0 (vii ) Th e numbe r o f flange s connector s fo r whic hleak s wer e detecte da s describe di n|XX.X2-13(a) , th e percen t o f flango s connector s leaking , an dth e tota l numbe r o f flango s connector s -fe-es-tedmonitored . (viii ) Th e numbe r o f flango s connector s fo r whic hleak s wer e no t repaire da s require din§XX.X2-13(d) . (ix ) Th e numbe r o f agitator p seal s fo r whic hleak s wer e detecte da s describe din§XX.X2-12(b) . (x ) Th e numbe r o f agitator ! seal s fo r whic hleak s wer e no t repaire da s require din§XXJC2-12(c) . (xi ) Th e fact s tha t explai nan y dela y o f repair s and , wher e appropriate , why a proces s uni t shutdow nwa s technicall y

infeasible . (3 ) Date s an dduration s o f proces s unit , contro l device , o r monitorin g devic e startup s o r shutdown s whic hoccurre dwithi nth e semiannua l reportin g period . (4 ) Revision s t o item s reporte daccordin g t o paragrap h(a ) i f change s hav e occurre dsinc e th e initia l repor t o r subsequen t revision s t o th e initia l report .
Note : Complianc e wit hth e requirement s o f §61.10(c ) i s no t require dfo r revision s documente d unde r thi s paragraph . (5 ) Th e result s o f al l performanc e test s t o determin e complianc e wit h §XX.X 2 2(e) , §XX.X2-3(i) , §XX.X2-4(a) , , an d§XX.X2-ll(f ) conducte dwithi nth e semiannua l reportin g period . (c ) Fo r owner s o r operator s electin g t o mee t th e requirement s o f §XX.X4 - 2(b) , a repor t shal l b e submitte dt o th e Administrato r semiannuall y startin g 6 month s afte r th e initia l repor t require d inparagrap h(a ) o f thi s section . Th e semiannua l repor t shal l includ e th e followin g information : 8 1Draf t 9/26/9 0 (1 ) Batc hproduc t proces s equipmen t trai nidentification , (2 ) Th e numbe r o f pressur e test s conducted , (3 ) Th e numbe r o f pressur e test s wher e th e equipmen t trai nfaile dth e pressur e test , (4 ) Th e fact s tha t explai nan y dela y o f repairs , an

d (5 ) Th e result s o f al l performanc e test s t o determin e complianc e wit h §XX.X2-ll(f) . (d ) A napplicatio nfo r approva l o f construction , reconstruction , o r modification , §61.05(a ) an d§61.07 , wil l no t be require di f (1 ) Th e ne w

proces s uni t complie s wit hth e applicabl e standar din§XX.X 2

o r §XX.X4-2 ;

an d (2 ) I nth e nex t semiannua l repor t require db y paragrap h(b ) o f thi s section , th e informatio ni nparagrap h(a)(4 ) o f thi s sectio ni s reported . (e ) A nowne r o r operato r o f a proces s uni t tha t doe s no t achiev e (Phas e II I percen t leake r standar dfo r valvos ) require dt o compl y wit h§XX.X2 - 7(d)(1 ) shal l notif y

th e Administrato r withi n3 0 calenda r day s o f initiatin g th e monthl y

monitorin g program

unde r §XX_X2-7(d)(l)(i ) o r a QI P unde r |X|l i |

. 

### (f ) Anowne r o r operato r o f a proces s uni t require dt o compl y wit h §XX.X2-2(d}(2 ) $hal l notif y th e Administrato r withi n3 0 calenda r day s o f initiatio na QII> unde r §XX.X3-2 . (f§ ) I f acceptabl e t o bot hth e Administrato r an dth e owne r o r operato r

o f th e proces s unit , th e report s ma y b e submitte donelectroni c media . (Sec . 11 4 o f th e Clea nAi r Ac t a s amende d(4 2 U.S.C . 7414). )

8 2

### Draf t 9/26/9 0

§XX.X8- 1 Lis t o f Hazardou s Organi c Chemicals , 

## Acetaldehyd e 7507 0 Acetamid e 6035 5 Acetonitril e 7505 8 Acetopbenon e 9886 2 2-Acetylaminofluorin e 5396 3

. Acrolei n 10702 8 Acrylamid e 7906 1 Acryli c aci d 7910 7 Acrylonitril e 10713 1 Ally l chlorid e 10705 1 4-Am i nob i pheny l 9267 1 Anilin e 6253 3 o-Anisidin e 9004 0 Benzen e 7143 2 Benzidin e 9287 5 Senzotrichlorid e 9807 7 8en2y l chlorid e 10044 7 Bipheny l 9252 4 $is(2-ethylhexyl)phthalat e (0EHP ) U781 7 Bis(chloromethyl)ethe r 54288 1 Bromofor m

7525 2 I, 3 -Butadien e 10699 0 Caprolacta m

10560 2 Carbo n disulfid e 7515 0 Carbo n tetrachlorid e 5623 5 Carbony l sulfid e 46358 1 Catecho l 12080 9 Chloroaceti c aci d 7911 8 2-Chloroacetophenon e 53227 4 Chlorobenzen e 10890 7 Chlorofor m6766 3 Chloromethy l methy l ethe r 10730 2 Chloropren e 12699 8 Cresols/Cresy1i c aci d (isomer s an d mixture ) 31977 3 Cresols/Cresyli c aci d (isomer s an d mixture ) 9548 ? Cresols/Cresyli c aci d (isomer s an d mixture ) 10839 4 Creso l s/Cresyli c aci d (isomer s an d mixture ) 10644 5 

### Cumen-e.
. -

% 

### 9882 8 2,4-0 ; $a1t $ an d ester s 9475 7 Wt /.vv

- 354704 4 O f a2omethan e 33488 3 Dibenzofuran s 13264 9 l,2-Oibromo-3-chloropropan e 9612 8 Dibutylphthalat e 8474 2 l,4-Dichlorobenzene(p ) 10646 7 3,3-Dichlorobenziden e 9194 1 Dichloroethy l ethe r (bi${2-chloroethy!}ether ) 11144 4 i»3-P1chloroprope*n e 54275 6 8 3P.8 8



### Draf t 9/26/9 0 Dietnano l amin

e N,N»Bietiiy

T anilin e <N,N~D1methylani l ine ) Oiethy V sulfat e 3,3*~D1methoxybenzidin

e / Dimethy l aminoazobenzen

e 3,3'-Dimethy l benzidin e Dimethy l carbamoy

l chlorid e Dimethy l formamid

e 1,1-Dimethyl hydrazin e Dimethy l phthalat e Dimethy l sulfat e 4,6~D1nitro~o-cresol , an dsalt s Z, 4-Dinitrophenol 2 »4-D 1 nitrotoluen e 1,4-Dioxan e (1»4-Oiethyleneoxide ) 1,2-D1phenylhydrazin e Epichlorohydri n{l-Chloro-2,3-epoxypropane ) 1^2-Epoxybutan e Ethy l acrylat e Ethy l benzen e Ethy l carbamat e (Urethane ) Ethy l chlorid e (Chloroethane ) Ethylen e dibromid e (Dibromoethane ) Ethylen e dichlorid e (1,2-Dichloroethane ) Ethylen e glyco l Ethylen e oxid e Ethylen e thioure a Ethyliden e dichlorid e (1,2-Dichloroethane ) Formaldehyd e Glyco l ethers a Hexachlorobenzen e Hexachlorobutadien e Hexachloroethan e Hexamethylene*1,6-di1socyanat e Kexamethylphosphoramid e Hexan e Hydrazin e Hydroquinon e Isophoron e Maleic"annydrfd e Methano l Hethy V brxwrtd e (Bromomethane ) Methy l chlorid e (Chloromethane ) Methy l chlorofor

m (l,l*l~Trichioroethane ) Methy l ethy l keton e (2-Butanone ) Hethy l hydrazin e Methy l iodid e (lodomethane ) Methy l isobuty l keton e (Hexone ) Methy l isocyanat e Hethy l raethacrylate 11142 2 12169 7 6467 5 11990 4 6GU 7 11993 7 7S44 7 6812 2 5714 7 13111 3 7778 1 53452 1 5128 5 12114 2 12391 1 12266 7 10689 8 10688 7 14088 5 10041 4 5179 6 7500 3 10693 4 10706 2 1072 H 7521 8 ,9645 7 7534 3 5000 0 0 11874 1 8768 3 6772 1 82206 0 68031 9 11054 3 30201 2 12331 9 7859 1 10831 6 6756 1 7483 9 7487 3 7155 6 7893 3 6034 4 7488 4 10810 1 62483 9 8062 6 

### 8 4

### Hethy l Mf% buty l ethe r

4»4*Metny.en e bis(2-chloroaniline ) Methylen e chlorid e (Dichloromethane ) Methylen e dipheny l diisocyanat e (MDI ) 4,4*-Methylened i anil1n e Naphthalen e Nitrobenzen e 4 *f.itrob 1 pheny l 4-Nitropheno l 4-Nitropropan e H-Hit roso- H- methy l ure a N-Nitrosodfmethy 1 amin e N-Nitrosomorpholin e Pheno l p-Phenylenediamin e Phosgen e Phthali c anhydrid e Polychlorinate d!>

1 phenyl s (Aroclors ) 1,3-Propan e sulton e beta-Propiolacton e Propiona1dehyd e Propoxu r (Baygon ) Propylen e dichlorid e (1,2-Dichloropropane ) Propylen e oxid e 1,2-Propylenimin e (2-Methy l aziridine ) Quinon e Styren e Styren e oxid e 2,3,7,8-Tetrachlorod i benzo-p-diox i n 1,1»2•2-Tetrachloroethan e Tetrachloroethylen e (Perchloroethylene ) Toluen e 2,4-Toluen e diamin e 2,4-Toluen e di isocyanat e o-Toluidin e 1,2,4~Tr1chlorobenzen e 1,1,2-Tr i chloroethan e Trichloroethylen e 2,4,5-Tr i ch l oropheno l 2,4,6-lrtctiloropheno l Triethylamin e Trifl#*H n 2,2,4-Tr 1 methy l pentan e Viny l acetat e Viny l bromid e Viny l chlorid e Vinyliden e chlorid e {l t 

### l-Qichl©methylene ) Xylene s (isomer s an

dmixture ) .Xylene s (isomer s an

dmixture ) Xylene s (isomer s an

dmixture ) Draf t 9/26/9 0 163404 4 10114 4 7509 2 10168 8 10177 9 9120 3 9895 3 9293 3 10002 7 7946 9 68493 5 6276 9 5989 2 10895 2 10650 3 7544 $ 8544 9 133636 3 112071 4 5757 8 12338 $ 11426 1 7887 5 7556 9 7555 8 10651 4 10042 5 9609 3 174601 6 7934 5 12718 4 10888 3 9580 7 58484 9 9553 4 12082 1 7900 5 7901 6 9595 4 8806 2 12144 8 158209 8 54084 1 10805 4 59360 2 7501 4 753S 4 133020 7 9547 6 10838 3 8 5

m ^P.9 0



### Draf t 9/26/9 0 Xylene^(isomers-an d mixture ) 10642 3 §XX.X8- 2 Lis t o f Hazardou s Organi c Chemica l Productio n Processes
. Th e provision s o f thi s supbar t appl yt o productio n processe s tha t mak e th e followin g chemicals : CA S NUMBE R CHEMICA L HAK E GROU P I 12173 3 l-Chloro-3-nitrobenzen e 6764 1 Aceton e 7505 8 Acetonitril e 9886 2 Acetophenon e 7906 1 Acrylamid e 10713 1 Acrylonitril e 11169 3 Adiponitril e 10718 6 Ally ! alcoho l 12330 8 Aminopheno l (p-isomer ) 6253 3 Anilin e 10333 3 Azobenzen e 7143 2 Benzen e 9848 6 Benzenedisulfoni c aci d 9811 3 Benzenesulfonl c aci d 9287 5 Benzidin e 11961 9 Benzophenon e (POM ) 9252 4 Bipheny l 54288 1 Bis(Chloromethyl)Ethe r 1086 1 Bromobenzen e 11063 4 Butanedio l (1,4-isomer ) 9648 0 Butyrolaceton e 5623 5 Carbo n tetrachlorid e 53227 4 Chloroacetophon e (2-isomer ) 9551 2 Chloroanilin e (o-isomer ) 10890 7 Chlorobenzen e 2549729 4 Chlorodifluoromethan e 6766 3 Chlorofor m 8873 3 Chloronitrobenzen e (o-isomer ) 10000 5 Chloronitrobenzen e (p-isomer ) 8015 9 Cumen e hydroperoxid e 9882 8 Cumen e (isopropy l benzene ) U082 7 Cyclohexan e 10893 0 Cyclohexano l 10894 1 Cyclohexanon e 11083 8 Cyclohexen e 9576 1 Dichloroanilin e (al l isomers ) 10646 7 Dichlorobenzen e (1,4-isomer ) (PDB ) 54173 1 Dichlorobenzen e (m-isomer ) 9550 1 Dichlorobenzen e (o-isomer ) 133147 1 Dlchtorobenzidin e (3»3«isomer ) 10706 2 Dichloroethan e (1,2-isomer ) (EPC ) 11144 4 Dichloroethy l ethe r (b1s(2-chloroethyl)ether ) 8 6

### Draf t 9/26/9 0 7571 8 BicjNldrfldifluoromethan e 11142 2 Diethanol amine

* 11146 6 Diethylene glyco l ii 1 

### !?? ? KM e n 

### * 6 

### 1 yco 1 mm 

### & Ethe r liS S SSM* 1 

### * 9l 

### , y c 

### ° ! d1 

### * thy 1 m 

### * r 

### glyco l ether ) JUS ! 2 e 

### ! W e n e g1yco 1 

### dimethy l ethe r (glyco l ether ) lit Hi mil**]*TM W Monflb 

### ^ 1 

### Ethe r Acetat e } 

### l m « SSKJI 0 " * S 

### ^ yco 

### l "W"*** ! «*he r acetat e (glyco l ether ) H S S SUM* 1 

### * g 

### l y c o 

### ^^buty l ethe r (glyco l ether ) ' ini S 8 e 

### S y ef, e 9 

### l yco 

### ^ «"K»tty l ethe r acetat e (glyco l ether

1 in?? ? K'JW* 1 

### * 9 

### \**1 *»«*«t f ethe r (glyco l ether ) ' HlS i S1 w 

### ?!f

* <M-Oiethyleneox1de ) 64606 0 DiOXilan

e 10181 5 Dipheny

l Methan e 10184 8 Dipheny l oxide (POM

) 2 ^571 8 D i propylen e glyco l 

### 12101 3 Dodecy

l benzen e (n-isomer

) 141435 Ethanolamines (al l isomers ! 10041 4 Ethy

l benzen e ' 9649 1 Ethylen

e carbonat

e 

## lSS l EtSl S giycT' * < D1b 

## TM^** > (EDB ) *Ui5f I K!! y 

### i en e 

### ^Ko l d

i acetat e ??«5 ? IK ? en e G1 

### * c(> 1 0iet 

### WEthe r 2 0 2 ftS 2 2 J yC 

### ° ] din, 

### ^^\^he r (glyco l ether ) J r^l e M 9 yco 1 raori 

### obutyl ethe r acetat e (glyco l ether * Will ll\l y 

### l Qti 

### * g 

### * co 1 

### wwobuty

l ether (glyco l ether ) } 

### i nan ? JK e n e 

### * K0 

### J ""^hy l ethe r a?etat e (glyco l ether ) i!S2 f IS?!* * «^ c o 1 

### methy l ethe r (glyco l ether ? } 

### AltTM lll

y 

### \* m

### *\* t0



### } ffl 

### ^methyl ethe r

lee t at e (gljco l ether ) iSSt t S K * " 9 yC 0 

### • ow 

### *»«V l ethe r (glyco l etheJ ) * ?Rn?^o KM* 1 

### * § yco 

### ] ^cpheny l ethe r glyco l ethe r 5000 0 F-ors&ldehyd

e 110178 FttRsi e aci d J22??5 ^^^eaetetraiii i 12331 S Hydm&uiaoa

e 7531 0 Isopropyl m\ m 

## 1M « i& g ^ 1be 

## »»" 9 

## 0 «««• ^ec. 1 

## b. n 

## ._„_) 10831 6 Maleic anhydrid

e 12333 1 Ha1e1 c Hydrazid

e 691515 7 Hali c aci d 12147 1 Metalli c aci d 8 7P.9 2



### Draf t 9/26/9 0 6368 3 Methionin e 7509 2 Methylen e Chlorid e (Dichloromethane ) 10177 9 Methylen e dianilin e (4,4-isomer ) (MDA ) 9883 9 Hethylstyren e (a-Isomer ) 11091 8 Morpholin e 8874 4 Nitroanilin e (o-Homer ) 10001 6 Hitroanilin e (p-isomer ) 9895 3 Nitrobenzen e 11166 0 Octene- 1 900281 7 Paraformaldehyd e 11577 5 Pentaerythrito l 12718 4 Perchloroethylen e (tetrachloroethylene ) 9554 5 Phenylenediamin e (o-isomer ) 10650 3 Phenylenediamin e (p-isomer ) 11085 0 Piperazin e 5757 8 Proplolacton e ( bIsomer ) 7909 4 Propioni c aci d 5755 6 Propylen e glyco l 10798 2 Propylen e Glyco l Monomethy l Elhe l 7556 9 Propylen e oxid e 10846 3 ftesorcinol 10042 5 Styren e (Viny l Benzene ) 11015 6 Succini c aci d 11061 2 Suednon i tr i l e 52683 0 Tartari c Aci d 63490 2 Tetrachlorobenzen e (1,2,3,5-isomer ) 9594 3 Tetrachlorobenzen e (1,2,4,5-isomer ) 11260 7 Tetraethylen e Glyco l 10999 9 Tetrahydrofura n 10282 1 Trichlorobenzen e (1,2,4- 1 some! ! 7901 6 Trichloroethylen e 7569 4 Trichlorofluoromethan e 7613 1 Trichlorotrifluoroethan e 9595 4 Trichloropheno ! (2,4,5- 1 some* ! 10271 6 Triethanolamin e 11227 6 Triethylen e glyco l 11249 2 Triethylen e glyco l dimethy l ethe r (glyco l ether ) 11235 6 Triethylen e Slyco l Monomethy l Ethe r 7799 6 THmethylopropan e 7501 4 ViStf l chlorid e (Chlor o Ethylene ) GROU P I I 7S07 0 Acetaldehyd e 10789 1 Acetaldo l 6035 5 Acetamid e 10384 4 AcetaniUd e 6419 7 Aceti c aci d 10824 7 Aceti c anhydrid e 7536 5 Acety l chlorid e 11I4 UAmfnoethylethanoUmin e 8 8

### Draf t 9/26/9 0

9004 0 JUHp^tw i (o-Uomer ) 10699 0 Butadien e (1^3-isomer ) 12386 4 Buty l acetat e (n-isomer ) 7136 3 Buty l alcoho l (n-1corner ) 10973 9 Buty l amin e (n-isomer ) 10788 0 Butylen e glyco l (1,3-isomer ) 12372 8 Butyraldehyd e (n-isemer ) 10792 6 Butyri c ad d 10631 0 Butyri c anhydrid e 10560 2 Caprolacta

m 55813 4 Curbntt

tetrabromid e 7573 0 Carbo nTetrafluorid e 7587 6 Chlora l 7911 8 Chloroaceti c ad d 10842 9 Chloroanilin e (m-isomer ) 10647 8 Ch 1 oroan i Hn e (p-isomer ) 10843 0 Chloropheno l (m-isomer ) 10648 9 Chlorophenol'(p-Isomer ) 12699 8 Chloropren e (2-Chloro-l,3-Butadiene ) 7572 9 Chlorotrifluoromethan e 4170300 Crotonaldehyd e 3724650 Crotoni c aci d 37209 8 Cyanoaceti c aci d(C N compound ) 11178 4 Cyclooctadlen e 155212 1 Cyclooctadlen e (1,5-isomer ) 76023 6 Dichloro*l-buten e (3,4-isomer ) 54059 0 Dichloroethylen e (1,4 - isomer ) 54275 6 Dichloropropen e (1,3-isomer ) 6467 5 Diethy l sulfat e 11993 7 Dimethy l Benzidin e (3,3-isomer ) 6812 2 Dimethy l formamid e (NN-isomer ) (DMF ) 5714 7 Dimethy l hydrazin e (1,1-isomer ) 12061 6 Dimethy l terephthalat e 14178 6 Ethy l acetat e 14197 9 Ethy l acetoacetat e 14088 5 Ethy l acrylat e 10539 5 Ethy l chloroacetat e 4189271 1 Ethy l sodiu

m oxa!acetat e 15156 4 Ethylen e Imin e (Aziridine ) 10715 3 Ethylenediamin e 10476 7 Ethylhexano l (2-isomer ) 10311 7 Ethylhexy l Acrylat e (2-isomer ) 7512 7 Formamid e 6418 6 Formi c aci d 5681 5 Glycero l 2654573 7 Slycero ! dichlorohydri n 2579196 2 Glycero l triethe r 5640 6 Glycin e 10722 2 Glyoxa l 11874 1 Hexachlorobenien e 8 9P.9 4



### Draf t 9/26/9 0 8768 3 He&i&iorebutadien e 6772 1 Bejicfcloroethan e 592450 Htttf&98 * (1,4-isomer ) 12409 4 Hexamethylenediamin

e 10731 3 Methy

l formate 9885 1 Methy l Pheno l Carbino l 9909 2 m-Nitroanilin e 7946 9 flltropropan e 12363 7 Paraldehyd e 7921 0 Peracett c Aci d 10899 6 P i colin e (b-isomer ) 11089 4 Piperadin e 11086 1 Pyridin e 11120 6 Sebad c Aci d 12709 3 Sodiu macetat e 392662 3 Sodiu mchloroacetat e 11044 1 Sorbi c aci d 12633 0 Sulfolan e 10021 0 Terephthali c aci d 7934 5 Tetrachloroethan e (1,1,2,2-isomer)

. 8543 8 Tetrahydrophthali c anhydrid e 11060 1 Tetrasiefchy

l ened i amin e 9580 7 Toluen e 2, 4 diamin e 58484 9 Toluen e Z>.<%diisocyanat e 2647162 5 Toluen e diisocyanate s (mixture ) 9553 4 Toluidin e (o-1soraer ) 7155 6 Trichloroethan e (1,1,1-isomer ) 7900 5 Trichloroethan e (1,1,2-isomer ) (Viny l Trichloride ) 10805 4 Viny l acetat e 10040 3 Vinylcyclohexen e (4-isomer ) 7535 4 Vinyliden e chlorid e (1,1-Dichloroethylene ) GfiDU P II I 10201 2 Acetoacetanilid e 12404 9 Adipi c aci d 132111 5 Asrfnobenzoi c aci d 14204 1 Anilin e hydrochloride ^ 10066 3 Anisol e 11892 3 Anthranili c aci d 8465 1 Mforapinon e (P0$ ) 10052 7 8$®£&ldehyd $ 5521 0 fem«s.i(_*£ 

# 13481 6 mm {mr$ 7693 ? Benzll k ad d (POP. ) 6585 0 Benzoi c aci d 11953 9 Benzoi n {?Q®} 10047 0 BenzonitHl s 9807 7 Benzotrichlorid e 9688 4 Benzoy l chlorid e

- 14011 4 Seszy l Acetat e 9 0P.9 5



### i*__e«_

_* Draf t 

### 9/26/9 0 

## 100516 mm alcohol JS5 J S^** 1 

## *>*nzoat

e (POM ) 10044 7 Benzy l chlorid e * , S J *snzy\ dichlorid e 10046 9 Benzy l amin e §2?5 I 5^pheno 1 A (POM

) ^offS o JS' 11 

## *"** 1 

## Phthalat e S

## f^I2? S 2 or 

## °benza1dehyd

e 213& 4 S i ct 

## \ ben 

## " i c

## * « (al l isomers) l»8 u ^ °^nzotrich1orid e (al l isomers) Illll JK 0 

## ^ 0 

## ^ 2 

## ^ 1 

## chlorid e 150TOr 

## s J l£S S 8 oro 

## ! ° W (o-isomer oaS ! c^? t 

## ? 1 u 

## f s 

## CP-isome r fiiSr aS eso 

## ! <»-^«wwr

) « S r2 * $ 

## 5 r e 

## ? ^ * c

## * « (mixed ) .gjf j Cresol s (o-isomer) ' 10644 5 Cresol s (p-isomer) IM& ! ^?^xy?aml S } 

## JSS f S al 

## I y 1 Is 

## ^halat e

WTKS S 

## S ? thy 1 Ph



## thalat e ' 

# 2 6 

# sajjpwss *

Illll n "l*"* 01 

## TM ? (2,4-isomer ) (DNT ) 'Sf s 2V^t^^uanidin e ' v } 

### ?7io?« ! J 1 

### Phenyl amin

e (PO M 2719386 8 Dodecylpheno l
i*?! H Hy

dr 

### °Hybenzoi c aci d(p-isow* ; «J28 | Isophthali c aci d^ P m m



## ii?8 2 ^W^^hexan e '

loo m L tmil 

## I s 

## * l e

## £o-iserae r 10017 4 Nitroanisol e (p-isomer

) 9 1' P9 6



### Draf t 9/26/9 0 "So w mSSt "ISf ! d 

### t*->*~**?~ 1«*r* ) 10802 7 Nitropheno

l (4-isomer ) 

## nml

. M.t^.i_S e ( 0 

## ' ,SOffler ) 

## < 2



## - | 

## »*-'*""*"" ) 8872 2 Nitrotoluen e (2-isomer

) SSS. X.trotoluen e (3-isomer ) 9999 0 Nitrotoluen e (4-isomer

) 27193288 Octylpheno

l ' 8786 5 Pentachlorophenol _SJS ? Uridin e (o-isomer ) ISSS i ^enetidin e (p-isomer ) 10895 2 Pheno l 7709 8 Phenolphthalein tSSX S«»J««lft»H c acid s (al l isomers ) 9140 7 Pheny l anthranili c aci d* g 

### ** rs 

### ' 108736 Phlorogludno ? 88993 Phthali c Aci

d 8544 9 Phthall c anhydrid

e 8541 6 Phthallmid

e 91156 Phthalonitril e 9851 1 p-tert-8uty l Toluen e 10651 4 Ouinon

e 6972 7 Salicyli c aci d 53232 1 Sodiu

mbenzoat e 13902 6 Sodiu mphenat e 58859 0 Stilben e 12157 3 Sulfanili c aci d ??TM! i ptrabroraophthali c anhydrid e }"2 S J e 

### t rachl 

### °TMphthali c anhydrid e 10888 3 Toluen e 133307 9 Toluenesulfonamid

e 2 

# ^ i ? J y 

# ] en e Sulfon1 c A 

# ^< * 133020 7 Xylene s (mixtures ) 

### tSSXS ^ene s (o-isomer

) 10642 3 Xylenes (p-isaner ) 130073 8 Xylidine 10702 8 Acrolein 7910 7 Acryli c ad d 10705 1 Ally l chlorid e 

# t!££f i J 11y 1 C 

# * anW 

# « 176Z95 4 Ammoniu mThiocyanat

e 27 

### f?ISJ 4 8

### ^««>naphthalen

e (POM ) 10974 0 Butyronitril e 7515 0 Carbo n disulfid e 9 2P.9 7



### Draf t 9/26/9 0 2558643 0 Ch|$fonaphthalen e (MM ) 9117 8 Decishydrorcaphthalat e 13117 9 DUlly l Phthalat e 10989 7 Diethy l astin

e 11510 6 Dimethy l ethe r - N, N 7518 3 Dimethy l sulfid e 6768 5 Dimethy l sulfoxid e 12440 3 Dimethy l asaln

e 7500 3 Ethy l chlorid e (Chloroethane ) 11130 8 Glutaraldehyd e 10669 4 Hexanetrio l (1,2,6

- isomer ) 7859 1 Tsophoron e 10821 4 Isopropy l acetat e 6756 1 Methano l 7920 9 Methy l acetat e 10545 3 Hethy l acetoacetat e 7483 9 Methy l bromid e (Bromomethane ) 7487 3 Methy l chlorid e (Chloromethane ) 6034 4 Methy l Hydrazin e 10811 2 Hethy l isobuty l carbino l 10810 1 Hethy l isobuty l keton e (Hexone ) 62483 9 Methy l Isocyanat e 7493 1 Methy l Mercapta n 8062 6 Hethy l methacrylat e 7489 5 Methy l amin e 9120 3 Naphthalen e 8547 2 Naphthalen e sulfoni c aci d (a-isomer ) (POM ) 12018 3 Naphthalen e sulfoni c aci d (b-isomer ) (POM ) 9015 3 Naphtho l (a-isomer ) (POM ) 13519 3 Naphtho l (b-isomer ) (POM ) 8657 7 Nitronaphthalen e (1-isomer ) 59442 3 Perch1oromethy ! mercapta n 7544 5 Phosgen e 12338 6 Propionaldehyd e 7123 8 Propy l alcoho l (n-isomer ) 54054 5 Propy l chlorid e 10710 8 Propylamin e 7887 5 Propylen e dichlorid e (1,2-Dichloropropane ) 12441 4 Sodiu mMethooxid * 7800 2 Tefcr&sthy l lea d 11964 2 Tsirattydrenapthalen e (Tetralin ) (POM ) 12144 8 THeifeylamin e 7550 3 THtsathy l amin e 93348 2 THfBethylcyclohexano l 240837 9 Trimethylcyclohexanon e GROU P V 10557 7 Aceta l 7586 5 Aceton e cyanohydri n {CH compound )

- Alky l naphthalene s (n o CAS I assigned ) (POM ) 9 3

_r__ m

### Draf t 9/26/9 0 7525 2 BroiBOfpr

m 1 

### 2 2 £$$% ^ u u 

### (isomer ) 7892 2 Buty l alcoho l (s-isomer ) 7565 0 Buty l alcoho l (t-1somer ) --vSSS- 1*1*1 b 

### T Z0 

### ) c

### * c1 d

### -<P-fcert-isc«>er } l39 

### 5284 6 Buty l amin

e (s-Isomer ) * 7564 9 Buty l amin e (t-isomer ) 63252 Carbary l * 

### 900435 7 Cellulos e acetat e *__J£K f CMorodlfluoroethan e 2516780 0 Chlorophenol s 779094 5 Chlorosulfod c aci d 42004 2 Cyanamid e 

# u mgZff i sir* (C H 

# "«" « I2K 2 C^wrf c chlorid e 12342 2 Diaceton e alcoho l WJSSl SJP^ptMwo l Hydrochlorli i 7495 3 Dibromoethan

e 9523 1 D1chlorohydri n 46158 5 Oicyanadimid

e 

# Mif f S. S (2



# -6 

# " ,stffl 

# « 25167708 Diisobutylen e 27554263 Oiisoocty l phthalat e 674828 Oiketen e 2667517 4 Dodecylanilin e 12251 0 Ethyl orthoformat e 9592 1 Ethyl oxalat e 7504 7 Ethyl amin

e 900457 3 Ethylcellulos e 10556 6 Ethylcyanoacetat e JZf-f ! He 

### * ac 

### Morocyclopentadien e 62911 8 Hexasethylen e glyco l iSS S ^r 1 

### ? 9 0 c 

### y 4 

### " i d d

### (C N compound

) 1?S?? S ^obuty l Acrylat e 11511 7 Isobutylen e 46351 4 Keten « 7941 4 Heih-^cryli c aci d 56347 3 Steihatly l chlorid e 9633 3 Ctetfty

l A-eryiats * 

### IHS U 

# 225 1 f^A 6 

# * ^ (2-ButlnW p 163404 4 Hethyl ter t

Buty l Ethe r 

### ,£H R^thylpentyno l 1Z1D1 3 n-Dodecylbenzene «,SS 5 ^P^tanol c aci d 25154523 fctanylphenol 1 

### 8812 0 ^inyU2*Pyrrolidin e 9 4



### ru nP.9 9



### Draf t 9/26/9 0 2532268 3 Polyethylene glyco l SXgf } Pol^ropy l en e glyco l 2713867 4 Res^cyli c aci d 9 

### ?5S? ! H!* " c



### ^fe»xymethy

l cellilis i 14333 9 Sodiu mCyanid e ^rmm 14153 7 Sodiu mformat e 9806 6 tert-Butylbenzen e 7574 1 Tetramethy

l lea d 4iX! ? JetramethyTetNylened i amin e 775694 7 Triisobutylen e 5

## 5713 6 IrlT

thy1pentafte

## <*.M-1*»«r ) 130071 6 Xyleno

l JJIS S Jyjeno ! (2,3-1somer ) 10567 9 Xyleno l (2,4-isomer) ttWA J y 

### ! m 

### ] <2*5*isomer ) 57626 1 Xyleno

l (2,6-isome

r 

## ,£S 3 IM* 10 1 

## b»*-1«W8r

) 10868 9 Xyleno l (3,5-isome r

9 5