P. 1



# OAR Box 1338

Prepped by Ollie Stewart



## Document

Number: 

# 28 ) ll-J-1 1

Docket Number: 

# A-89-1 0

Printed 6/17/2008 1:48:06

PM Sheet 28 of 105P. 2

Federa l Registe r /

Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s Authority : 5 U.S.C

. 552a , th e Privac y A 1974 ; 5 U.S.C
. 552
. th e Freedo m o f Infor m Ac ta s amende d b y Publi c Le w 93-502 ; P La w 86-38 , Publi c La w 68-29 0 an d 1 8 U. J 798
. 2
. Sectio n 299a.l 0 i s proposed t o b amende d b y addin g a ne w paragrap. . (b)(18 ) a s follows : § 299a.1 0 Specifi c exemptions

. (b ) System s o f

record s subjec

tt o specifi c exemptions : * * • (18 ) System Identification and

Name— CNSA18

. NSA/CS S Operation s Files

. Exemption— Portions o

f thi s recor d syste m ma v b e exempte d fro m subsection

s o f 5 U.S.C
. 552 a (c)(3)
. (d)(l)-{5)
. (e)(4)[GHI)
. an d (f)(lH5)
. Authority—

5 U.S.C
. 552a(k ) (1)
. (2 ) an d (5)
. Reasons— Subsection (c)(3 ) becaus e ther e ma y b e occasion s whe n makin g a n accountin g availabl e t o th e individua l name d i n th e recor d a thi s o r he r request , woul d revea l classifie d information

. Th e releas e o f accountin g o f disclosur e woul d infor m a subjec ttha th e o r sh e i s unde r investigation

. Thi s informatio

n woul d provid e considerabl

e advantag e t o th e subjec ti n providin g hi m o r he r wit h knowledg

e concernin

g th e natur e o f th e investigatio

n an d th e coordinate

d investigativ

e effort s an d technique

s employe d b y th e cooperatin

g agencies
. Subsectio n (d

) becaus e grantin

g acces s and/o r subsequentamendmen t t o the recor

d woul d revea

l classifie d information
. I

tma y als o aler

ta subjec t t o th e fac ttha ta n investigatio n o

f tha t individua l i s takin g place , an

d migh t weake n th

e on-going investigation , revea l investigator

y techniques , an d plac e confidentia

l informant

s i n jeopardy
. Th

e NSA/CS S ma

y refus e t o confir m o r deny the existenc e o

f a particula r recor d becaus e t

o d o s o woul d revea

l classifie d information
. Subsectio n (e)(4)(G) , (e)(4)(H) , and (e)(4)(I)
. Althoug

h the NSA/CS S ha s publishe d procedure s whereb y a n individua l ca n b e notifie d i

f a particula

r recor d syste m contain s informatio n abou tthemselves ; ho w t

o gai n acces s t

o tha tinformation ; an

d the source o

f th e information , ther

e ma y b e occasion s when confirmin

g tha ta recor d exists , grantin g access , o

r givin g ou

tth e source o f the informatio

n woul d reveal classifie d information
. Subsectio n (f

) becaus e the agency' s rule s ar e inapplicabl e t

o thos e portion s o f th e syste m tha

tar e exemp tan d woul d plac e th e burde

n o n th e egenc y o

f eithe r confirmin

g o r denyin g th e existenc e o

f a recor d pertaining t

o a requestin g individua

l migh ti n itsel f provid e a n answe r t

o tha tindividua

l relatin g t o a n on-going crimina

l investigation
. The conduc to f a successfu l investigatio n leadin g t o th e indictmen to f a crimina l offender 

# A-89-1 0 931 5

II-J-1 1

Dyaicii i i a CACiiif/ i atuaa a ui e uiuiviuua a acces s provision s o

f subsectio n (d)
. Dated : Marc

h 1.1901
. L.M
. Bynum , Alternate OSD Federal Register Liaison Officer, Department

of Defense. (F R Doc
. 91-526 8 File d 3-6-91 ; 8:4

5 am ] BIUJN O COO

C Mlft-0 1

ENVIRONMENTA L PROTECTIO N AGENC Y 4 0 CF R Ch

. I [FRL-3910-3 ] Nationa l Emissio n Standard s fo r Hazardou s Ai r Pollutants ; Announcemen t o f Negotiate d Regulatio n fo r Equipmen t Leak s AGENCY : Environmenta

l Protectio n Agenc y (EPA)
. ACTION : Notic e o

f agreemen

to n negotiate d regulation
. SUMMARY : Thi s announcement summarizes the majo

r provision s and concepts o

f the negotiate d rule fo

r volatil e hazardou s air pollutant s fro m equipmen tleak s a torgani c chemica

l manufacturin

g facilities , and publishe s verbati m th e regulator

y language agreed t o b y the negotiatin g committee
. The purpos e o f thi s notic e i s t

o infor m intereste d partie s and potentiall y regulated facilitie s o

f the regulator

y agreemen tt o whic h th e committe e ha s concurre d in principle
. O n Apri l 25,198 9 (5

4 F R 17944)
. EP

A announce d it s inten tt o for m a n advisory committe e t

o negotiat e issue s leadin g t

o a ne w approac

h fo r regulation o

f fugitive emission s o

f volatil e organie s fro

m equipmen tleak s (pumps , valves , etc. ) associate d wit

h chemica

l production proces s units
. A meetin g wit h intereste d partie s wa s hel d i n Washington , D C o n Ma y 15,198 9 t

o discus s the establishmen to

f suc h a committee
. On Septembe r 12.1989 , EP

A announce d th e formatio n o f the committe e imde

r th e Federa l Advisor y Committe

e Act(5 4 F R 37725)
. Th

e EP A forme d a committe e includin g representative s o f variou s affecte d industr

y and trade groups . Stat

e and loca l air pollutio n agencies , and a n environmenta

l group . The Committe

e me tperiodicall y ove r a one-yea r perio d and ha s successfull y agreed i n principl e t o th e provision s and language o

f a n equipmen

tlea k regulation
. Th

e Committe

e wil l continu e t

o wor k o n a preambl

e fo r th e futur e proposa l o f th e rul e an d wil l ente

r int o a fina l agreemen

tafte r th e preambl e i s completed
. Th

e EP A plan s t o propos e thi s rul e i n late 199 1 a s par

to f hazardou s organi c nationa l emissio n standard s fo

r hazardou

s ai r pollutant

s (NESHAP)
. o

r NON
. tha

twil l cove r othe r emissio n point

s a s wel l a s equipmen tleak s a torgani c chemica l plants
. ADDRESSES

: Docket. A docket, numbe r A-89-10 , containing informatio n relatin g t o th e negotiation s i s availabl e fo r publi c inspectio n betwee n 8:3 0 am . an d 3:3 0 p.m. , Monda

y throug h Friday, a

tAi r Docke tSectio n (LE-131)

, Watersid e Mall
. roo m M1500
. U
. S
. EPA

. 40 1 M Street

, SW
. Washington
. D

C 20460
. A reasonabl e fe e ma

y b e charge

d fo r copying
. Today' s notic e i s no ta rulemakin g actio n an

d th e Agenc y i s no t solicitin g comments . FO R FURTHE R INFORMATIO N CONTACT : Dr
. Jane tMeye r o r Mr
. Ric k Colyer, telephon e (919

) 541-525 4 o r 5262
. respectively
. Th

e addres s fo

r bot h i s Standard s Developmen

tBranc h (MD
13)
. Emission Standards Division
. U.S
. EPA, Researc

h Triangl e Park , Nort h Carolin a 27711
. SUPPLEMENTAR

Y INFORMATION : I
. Backgroun

d I n the early 1980's , EP

A determine

d tha tfugitiv e emission s o

f volatil e organic compounds (VOC ) an d hazardou s organi c compound s fro m equipmen tleak s (pumps , valves , etc. ) contribut e significantly t

o air qualit

y problems
. Th

e EP A estimate s tha

t equipmen tlea k emission s accoun

tfo r roughl y one-thir d o f tota l organi c emission s fro

m chemica

l plants
. Moreover, becaus e they ar e release d near the ground, the impac tfro m fugitiv e emission s i s 1

0 t o 4 0 times greate

r tha n equa l release s fro

m stacks
. Recen

t report s complete d unde

r Sectio n 31

3 o f the Superfun

d Amendment

s an d Reauthorization Act(SARA ) included ove r 385,00

0 ton s per yea r fro

m fugitiv e sources . Existin g regulations adopted unde r section s 11 1 an

d 11 2 o f e Clea n Air Ac t an d i n Stat e Implementatio

n Plan s (SIP's) hav e bee n effectiv e in heightenin g awarenes s o

f th e significanc e of

equipmen

tleak s an d in stimulating contro

l efforts
. Th

e rules basicall y requir

e tha tequipmen

tI n plac e b e inspecte d periodicall y fo r leak s wit h a portabl e hydrocarbo

n detector
. I

f concentration s in exces s o f 10.00 0 part s pe r millio n (ppm

) ar e found , th

e componen ti s identifie d a s a "leaker " and maintenance i s required
. Thi s_PJ

_



### 931 8 Federa l Registe r / Vol
. 66 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s

* approac

h i s know n a s "lea

k detectio n an d repair " (LDAR)
. Whe n thes e rule s wer e established
. EP

A estimate d tha

t emission s woul d b e reduce d b y abou t6 0 t o 7 0 percen tan d tha

tafte r contro l lea k frequencie s woul d b e approximately 5 percen t Dat a gathere d ove r di e pas tcoupl e of year s o n equipmen

tleak s a tsom e chemica l plant s indicate tha

tlowe r lea k frequencie s ca n b e achieved
. Thes e data , however , did no tindicate ho w lo w leak frequencies coul d b e obtaine d a tal l chemica l plants
. Consequently , EP A sa w a nee d fo r a ne w approac

h tha twoul d establis h a

n effectiv e regulatio n tha t woul d achiev e lo w leak frequencies a t al l chemica

l plants
. I twa s recognize d tha testablishin g such a regulatio n fo r a s broa d and varie d a sourc e categor y a s chemica l productio n unit

s woul d b e difficul tTh

e challenge s include d determinin

g fo r al l plants ho w t o achiev e lo w leak frequency wit h a simpl e se to

f rules , ho w t o provid e mor e flexibilit y i n achievin g lo w leak rate s tha n tha tprovide d b y LDA

R alone , ho w t o appl y standard s acros s th e industr y usin g dat a from onl y a par

tof th e industry , an d EPA' s nee d t o establis h standard s consisten twith th e maximu m achievabl e contro

l technology (MACT

) requirement

s o f th e Gea n Ai r Ac t Amendment

s o f 1990 (CAAA)
. Accordingly , o n Apri

l 25,1989 , EP

A announce d it s intentio n t

o establis h a committe e t

o negotiate a ne w approac h fo r control of

volatil e organi c chemical equipmen tleak s (5 4 F R 17944)
. an d conducte d a

n initial informationa

l meetin g o n Ma

y 15.198 9 t

o determin e amon g potentiall y intereste d partie s whethe r negotiatio n woul d b e • desirabl e approach
. The participant s a t th e initia l meetin g responde d favorabl y t o th e concep to

f negotiation , an d o n Septembe r 1Z1989 , EP

A establishe d • negotiatin g committe e (5

4 F R 37725)
. Th e Committe e me tove r a perio d of

on e year , holdin g nin e 2-da

y meeting s an d on e 1-da y meetin g t

o resolv e th e variou s issue s relate d t o developin g a MAC T standar d fo r equipmen

tleaks
. Th e Committee member

s are liste d I

n Appendi x A
. Th e Committee considere d th e man y factor s an d uncertaintie s associate d wit h regulatin g equipmen

tleak s a ta wid e variet

y o f chemical plant s an d develope d a

n acceptabl y balance d approach , weighin g th e nee d t o b e flexible, th e technical uncertainties , th e requiremen

tfor MAC

T standards , an d the dat a limitations
. A tth e final negotiatin g session , th e Committee member s conceptuall y resolve d al l outstandin g major issue s an d decide d t o reach final agreemen

tthroug h a 2-ste p process . Th e Committe e member s woul d firs tagree t o th e regulator

y language t o b e proposed
. Thi s "agreemen ti n principle " ha s bee n reache d b y al l Committe e member s and th e negotiate d regulator y language i s containe d i n Appendix B
. Th e Committe e expect s t o sign a final agreemen

tafter a draf

t preambl e t

o the regulatio n describin g in detai l the scope , spplication , effec tand rational e ha s bee n concurre d o n b y th e Committee
. The final agreemen twil l represen tth e consensu s of

th e Committe e o n a regulatio n and preambl e t o b e propose d b y th e Agency , and al l Committee mmember

s wil l agre e t o suppor tthe regulatio n a s lon g a s EP A propose s and promulgates th e regulatio n an d it s preambl e substantivel y unchanged from those ' tha tar e th e subjecto f th e final agreemen t The consensu s agreemen

treache d b y th e Committee , a s spelle d ou ti n th e attache d regulator

y language , als o serve s t o notif

y nin e chemical companie s o

f voluntar y actio n they previousl y committed t

o taking
. Thes e companie s wer e identifie d prior t o thes e negotiation s b y EP

A i n it s Ai r Toxic s Exposur e an d Ris k Informatio

n Syste m (ATERIS ) databas e a s havin g som e plants wit h relativel y hig

h healt h risk
. Afte r severa l meeting s betwee n representative s of

thes e companie s an d EPA , th e companie s agree d t o begi n a voluntar y LDA R progra m an d timel y implementatio n of

th e consensu s agreemen ta s soo n a s th e regulator y requirement

s wer e available
. 0
. Summar

y o f Negotiate d Standard s Th e followin g i s a genera l summar y o f th e requirement

s an d concept s ofth e negotiate d regulation
. I

ti s no ta detaile d descriptio n of

th e provisions , no r doe s i t contai n th e rational e o

r basi s develope d b y th e Committe

e fo r th e variou s provisions
. Th e reade r i s referre d t o th e actual negotiate d regulator y languag e (Appendi x B ) for detai l of specifi c provisions
. Th e purpos e o f

thi s announcementi s t o mak e intereste d partie s an d owner s o r operators potentiall y subjec tt o thes e standard s awar e o

f th e forthcoming regulator y requirement

s s o tha tthe y wil l b e bette r prepared whe n th e rul e i s actuall y issued
. Th e covere d chemical s an d processe s are liste d respectivel y i n S S XXJC8- 1 an d XXJC8-

2 of th e negotiate d rul e (Appendi x B)
. A detaile d preambl e describin g th e rational e an d basi s fo r th e regulator

y requirement

s fo r equipmen tleak s wil l accompany th e proposa l o f th e rule , t o b e containe d withi n a broade r HON
. coverin g no t onl y equipmen

tleaks , bu

tals o storage , transfer , proces s vents , an d wastewate r emission s a tchemica

l plants
. Hi e HON i s schedule d fo r proposa l in Fal l 1991 , wit h promulgatio

n schedule d fo

r Fal l 1992
. Th e Agenc

y i s notno w solicitin g comment s onjh e attache d regulator y language
. Intereste d person s wil l hav e a n opportunit

y t o commen

twhe n th e broader regulation i s proposed
. Applicability. The standard s woul d appl y t o equipmen

ti n volatil e hazardou s air pollutan

t(VHAP ) servic e 30 0 o r mor e hour s pe r year associate d wit h an y o f th e 45 3 processe s liste d i n th e negotiate d regulation tha tmak e o r us e a s a reactan

ton e o f the organi c VHAP s liste d in ( XXJC8- 1 o

f th e regulation
. They woul d als o apply t o equipmen thandlin g specifi c chemical s fo r a limite d numbe

r o f non-SOCM

I processe s liste d i n th e negotiate d rule
. Petroleu m refiner y processe s wil l no tb e covere d b y th e attache d negotiate d regulation ; a separat

e rulemakin

g wil l b e conducte d fo

r thos e processes . The equipmen

taffecte d ar

e valves , pumps , connectors , compressors , pressure relief

devices , open-ende d lines , sampling connectio n systems , instrumentatio n systems , agitators , produc taccumulato r vessels , an d closed-ven tsystem s and contro l devices
. "I

n VHA P service " mean s th e equipmen tcontain s o

r contacts a fluid tha ti s S percento

r greate r VHAPs
. Th e standard s woul d als o spli tth e covere d processe s int

o 5 distinctgroup s t o which th e regulatio n woul d appl y ove r time
. Th e rul e woul d appl y t o the firstgrou p 6 month s afte

r promulgation
. Thereafter , th e rul e woul d becom e applicabl e t o anothe r grou p ever y 3 month s until al l th e processe s wer e covered
. Pumps and

Valves. Th e regulation i s structure d similarly fo r pump s and valves
. Standard s for bot

h woul d b e implemente d i n three phase s an d bot h standard s hav e associate d qualit y improvemen

tprogram s (QIP * s)
. Th e first an d secon d phase s for bot h type s o f equipmen tconsis to

f a n LDA R program

, wit h lowe r lea k definition s i n th e secon d phase
. Th e LDA

R progra m involve s a periodi c chec k for organi c vapo r leak s wit h a portabl e instrument ; i f leak s ar e found , they mus tb e repaired withi n a certai n perio d o

f time
. I n th e thir d phase , th e periodi c monitoring ( a wor k practic e standard ) woul d b e couple d wit h a bas e performanc

e leve l (l.s , allowabl e percen tleakin g components)
. A s par tof th e bas e program

, pump s woul d requir

e monthl y monitorin

g usin g a n instrumen

tan d weekl y visua l inspection
. Valve s woul d initiall y requir e quarterl y monitoring , bu

tth e lengt h o f tim e betwee n monitorin

g coul d b e increase d i f

th e percentleakin g valve s demonstrat

e incrementally bette rP. 4



### Federa l Registe r /

Vol

. 56 , No

. 4

4 / Wednesday , Marc h 6 , 199 1 / Propose d Rule s 931 7 performance , a s specifie d i n th e rule , ove r th e bas e performanc

e level
. Specia l provision s appl

y t o pump s i n food/medica l service , pump s in polymerizing monome

r service , "leakless " pumps , an

d unsafe
- an

d difficult-to-monitor valves
. Owner s o r operator s ca n tak e partia l creditin the calculatio n o

f percen tleaking valve s fo

r valve s permanentl

y removed fro

m the proces s units
. Plant

s wit h less tha n 25 0 valve s in VHA

P servic e ar

e subjec tonl y t o LDA R an d no tth e bas e performanc

e level
. A limited numbe

r o f "nonrepairable " valves , i
. e. , thos e tha t cannotb e repaire

d withou ta proces s uni tshutdown , ma

y b e exclude d in the calculatio n o

f percentleakin g valves
. I f th e bas e performanc

e level s fo r a typ e o f equipmen

tar e notachieved , base d o n a rollin g average o

f monitorin

g results , owners o

r operator s must , in the cas e o f pumps , enter int

o a QIP , an d in the cas e o f valves , eithe r ente r int

o a QI P o r implemen

tmonthl y LDAR
. Th e QI P i s a concep ttha

tenable s plants exceedin g the bas e perfonnance level s t o eventuall y achiev e th e desire d level s withoutincurrin

g penalt y o r bein g i n a noncompliance status . A s long a s the requirement

s o f the QI P ar e met , the plan ti s i n compliance
. The basi c QI P consist s o f informatio

n gathering , determinin

g superio r performin

g technologies , an d replacin g poorer performer s wit h the superio r technologie s unti

l the bas e performanc

e level s ar e achieved
. Connectors. Th

e rul e als o provide s fo

r performanc

e standard s fo

r connector s in term s o f percen tleakin g connectors in each proces s unit

. Th e negotiate d standar d fo r connectors i s notphase d in , i
. e. , the performanc

e leve l applie s a s soo n a s th

e rul e i s effectiv e fo

r th e proces s uni tConsisten tachievemen to f th e bas e performanc

e leve l woul d resul t in monitorin

g bein g require

d les s frequently
. Failur

e t o achiev e th e bas e performanc

e leve l woul d caus e the plant t o remai n in a n annua l monitorin

g cycle
. Special provision s woul d apply t o existin g screwe d connector s tha tar e 2 inche s o r les s and t

o connector s tha

tar e inaccessibl e o

r unsaf e t o monito r o

r repair
. A limite d allowanc e fo r "nonrepairable " connector s woul d b e allowe d i f disturbed connector s ar

e monitore d withi n 3 months
. Credit s fo r connector s remove d from th e proces s uni twoul d b e allowe d in th e calculatio n o f percentleakin g connector s (or performanc

e level)
. Otherequipment

Standard s fo

r compressors , open-ende d lines , pressur e relief devices , sampling connectio n systems , an

d close d ven tsystem s and contro l device s remai

n essentiall y unchanged from existin g regulation s (se e 4 0 CF R par t61 , Subpar tV)
. Agitator s mus tmeetLDA

R requirements , bu

thav e n o bas e performanc

e levels
. Pumps , valves , connectors , an

d agitator s in heavy liqui

d service ; instrumentation systems ; an d pressur e relie f device s i n liqui d servic e ar e subjec tt o instrumen

tmonitorin

g only i f evidenc e o

f a potentia

l lee k i s foun d throug h sight, sound , o

r smell
. Instrumentatio

n system s consis to

f smalle r pipe s an d tubin

g tha tcarr y sample s o f proces s fluid s t

o b e analyze d t o determin

e proces s operatin g conditions
. Delay of repair. Under certai n condition s delay o

f repair beyon d the require d 1 5 day s ma

y b e acceptable
. Examples o

f thes e situation s includ e wher e (1 ) a piec e o

f equipmen

tcanno t b e repaired withouta proces s unit shutdown , (2

) equipmen

ti s taken ou

to f VHA P service , (3

) emission s fro

m repai r wil l excee d emission s fro

m delay o f repair unti

l th e nex tshutdown , (4

) pumps wit

h singl e mechanica

l seal s ar e replace d wit

h dua l mechanica

l seals , an d (5 ) valv e assembl y supplie s hav e bee n deplete d fro

m stocks
. Alternative standards. Generally , a n alternativ e mean s o

f emissio n limitatio n ma y b e use d i

f a n owne r o r operato r ca n demonstrat

e emissio n reduction s equa l t o o r bette r tha

n tha trequire d b y the standards
. Specifi c alternativ e standard s hav e bee n writte n fo r batc h processe s an

d enclose d buildings
. Batc h processe s ca n choos e eithe r t o mee t simila r standard s t

o thos e fo r continuou s processes , wit h monitorin

g frequenc y prorate d t o tim e i n use , o r t o periodicall y pressur

e tes tth e entir

e system . Enclose d building s ma y forego monitorin g i f the building i s kep tunde

r a negativ e pressur

e and al l emission s ar

e routed throug

h a close d ven tsyste m t o a n approved contro

l device
. Test methods and

Procedures. Th e standard s woul d retai n th e us e of Method 2 1 t

o detec tleaks
. Metho d 2 1 requires a portabl e organi c vapo r analyze r t o monito r fo

r leak s from equipmen ti n use . A "leak " i s a concentratio n specifie d in the regulatio n fo r th e typ e of

equipmen

tbein g monitore d and i s base d o n th e instrumen trespons e t

o methane (th e calibratio n gas ) i n air
. The observe d screenin g valu e ma

y requir e adjustmen

t fo r respons e facto r relativ e t o methane i

f th e weighte d respons e facto r o f th e strea m exceed s a specifie d multiplier
. Metho d 1 8 i s t o b e use d t o determine organi c contento

f a proces s stream . Tes tprocedure s usin g eithe r a ga s liqui d testin g o r a for pressur

e th e batch syste m ar e specifie d t

o detec tfo

r leaks
. Recordkeeping. The standard s woul d requir e a readil y accessibl e recordkeeping system . Record s require d includ e identificatio n o

f equipmen

ttha t woul d b e covere d b

y th e standards , identificatio n o

f equipmen ttha ti s foun d t o b e leakin g durin

g a monitorin

g period and whe n i ti s repaired , testin g associate d wit

h batc h processes , desig n specification s o

f close d ventsystem s and contro

l devices , tes tresult

s fro m performanc

e test s o r testin g proces s stream s fo

r organi c content, an

d informatio

n require d b y equipmen

ti n QIP
. Othe r recordkeeping requirement s als o apply , an

d th e reade r i s referre

d t o tha tsectio n o

f th e negotiate d rul

e fo r mor e detai l (se e Appendi

x B)
. Reporting. Owners an

d operator

s woul d b e require

d t o submi ta n initia l repor ttha tdescribe s the source an

d a summar y o f th e equipmen

tsubjec tt o thes e standards
. Ever

y si x months , a repor tmus tb e submitte

d tha t summarizes th

e result s o f monitorin

g an d performanc

e test s conducte d durin

g tha tperiod , change s t

o the proces s unit

, change s i n monitorin

g frequenc

y o r monitorin g alternatives , and/o r initiatio n o

f a QIP
. Report s ca n b e submitted o

n electroni c medi

a wher e acceptabl e t

o bot h the Administrato r and the owne r o

r operator . Dated : Februar

y 25,1991
. Willia m C
. Rosenberg

, Assistant

Administrator

for Air and Radiation. Appendi x A—Lis t o f Negotiator s Negotiator/Affiliatio

n Rober tL Ajax , EPA
. Alfre d Bickum , Internationa

l Institut e fo r Syntheti c Rubbe r Producers

. Bruc e Bowers , Standar d Chlorine
. Lind a Curran , Amoc o Oil
. Davi d Doniger/Alle

n Hershkowitz

, Natura l Resource s Defens e Council
. Davi d Dunn , Sterlin g Chemicals

. Inc
. Larr y Coodheart/Elle

n Siegler , America n Petroleu m Institute

. Jac k Kace , Pharmaceutica

l Manufacturer

s Association

. Thoma s Kittleman

. Chemica l Manufacturer

s Association

. Rober tMajewski

, Northeas tState s fo r Coordinate d Ai r Us e Management

. Le s Montgomery

. Texa s Ai r Contro l Board
. Harve l Rogers , Jefferso n Count y (Kentucky

) Ai r Pollutio n Contro l District
. Gustav e Vo n Bodungen

, Louisian a Departmen to f Environmenta

l Quality
. Facilitato r Phili p J
. Harter , Esq. , Consultan

tt o EPA
. Observe r Nicola s Garcia , Offic e o f Managemen

tan d Budget
.P. 5

931 8 Federa l Registe r / Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s Appendi x B—Nationa

l Emissio n Standar d Fo r EquipmentLeak s (Fugitiv e Emissio n Sources ) Sectio n XX.X

O Applicabilit

y and Designatio n o f

Source s (a ) The provision s o

f thi s subpar

t appl y t o pumps , compressors , agitators , pressure relie

f devices , sampling connectio n systems , open-ende d valve s o r lines , valves , connectors , produc t accumulato r vessels , instrumentatio n systems , an

d contro l device s o

r system s require d b y thi s subpar

ttha tar e intende d t

o operat e i n volatil e hazardou s ai r pollutant(VHAP ) servic e 30 0 hour s o r mor e durin g th e calenda r yea r withi n a proces s uni tliste d i n (1 ) Paragrap

h (b ) o f thi s sectio n tha

t use s a s a reactanto r make s a s a n intermediat

e o r final produc

tan y o f th e chemical s liste d i n {XXJC8-1
. o r (2) Paragrap

h (c ) o f thi s section
. (b ) (I ) Th e provision s o

f thi s subpar

t ar e applicabl e t o the followin g proces s unit s a s liste d i n { XX.X8- 2 o n and afte r th e designate d dates : (i ) Grou p L (V i yea r after promulgation) (ii ) Grou p II : ( % yea r after promulgation) (iii ) Grou p HI : ( 1 yea r afte r promulgation) (iv ) Grou p IV : ( 1 V i year s afte r promulgation) (v ) Grou p V : (1V 4 year s after promulgation) (2 ) The owne r o

r operato r o

f a n affecte d proces s uni

ti n a late r grou

p ma y elec tt o appl y th e applicabilit

y dat e o f a n earlie r group . (3 ) An y proces s uni

tliste d i n S XXJC8- 2 tha tdoe s no tus e a s a reactanto r mak e a s a n intermediat

e o r fina l produc tan y o f th e chemical s liste d i n S XX.X8- 1 i s exemp tfrom th e provision s in 5 XX.X2- 1 throug h S XXJC2-13
. Th e owne r o r operato r shal l maintai n record s a s require d i n 5 XXJC

6 (k)
. (c) The provision s o

f thi s subpar

t appl y (6 month s after publicatio n of th e fina l rule i n th e Federa

l Registe r t o th e th e followin g proces s units , an d designate d VHAP

s only , a s define d i n SXX.X1 : (1 ) Styrene-butadien e rubbe r productio n (butadiene , styrene)
. (2 ) Polybutadien e productio n (butadiene)
. (3) Chlorin

e productio n (carbo n tetrachloride)
. (4 ) Pesticid e productio n (carbon tetrachloride , methylen e chloride , ethylen e dichloride)
. (5) Chlorinated hydrocarbon us e (carbon tetrachloride , methylen e chloride , tetrachloroethylene , chloroform , an d ethylen e dichloride)
. (6 ) Pharmaceutica

l productio n (carbon tetrachloride , methylen e chloride)
. (7 ) Miscellaneou s butadien e us e (butadiene)
. (d ) Whil e th e provision s o

f thi s subpar tar e effective , equipmen

tt o whic h thi s subpar

tapplie s tha

tar e als o subjectt o th e provision s o

f (1 ) 4 0 CF R par t60 , wil l b e require

d t o comply onl y wit

h th e provision s o

f thi s subpar texcep tfo

r eac h pum

p an d compresso r equippe d wit h a dua l mechanica

l sea l syste m tha

ti s i n VO C service , o r (2 ) 4 0 CF R par t61 , wil l b e require

d t o compl y onl y wit h th e provision s o

f thi s subpar t (e ) Th e provision s o

f thi s subpar

td o no tappl y t o an y petroleu

m proces s uni

t regardles s o

f whethe r th e unitsupplie s feedstocks , tha

tinclud e chemical s liste d i n | XXJC8-1 , t o chemica

l processe s that are subjec tt o th e provision s of thi s subpart
. Sectio n XX.X 1 Definition s Al l term s use d i n thi s subpar

tshal l hav e th e meanin g give n the m i n th e Ac t i n subpar tA o f 4 0 CF R par t63 , an d i n thi s sectio n a s follows : Batch Process mean s a proces s i n which th e equipmen

ti s fe d intermittently o r discontinuously
. Processin g the n occur s i n thi s equipmen t after which th e equipmen ti s generall y emptied
. Example s o f

industrie s tha

tus e batc h processe s includ e pharmaceutica l productio n and pesticid e production
. Batch product-process equipment train mean s th e collectio n of equipmen

t (e.g. , connectors , reactors , valves , pumps , etc. ) configure

d t o produc e a specifi c produc

to r intermediat

e b y a batc h process . Chlorinated

hydrocarbon use mean s a proces s tha

tproduce s on e o r mor

e of th e followin g product

s usin g chloroform ,

- carbo n tetrachloride , ethylen e dichloride , methylen e chlorid e o r tetrachloroethylene : chlorinate d paraffins , Hypalon® , OBPA/1,3
- diisocyanate , polycarbonate , polysulfid e rubber , an d symmetrica

l tetrachloropyridiene
. Chlorine production mean s a proces s tha tuse s carbo n tetrachlorid e a s a diluentfor nitrogen trichlorid e o r a s a scrubbing liqui d t o recove r chlorin e from th e liquefactio n of

tai l gas . Closed-loop system mean s a n enclose d syste m tha

treturn s proces s fluid t o th e proces s and i s no tvente d t o th e atmospher

e excep tthroug

h a closed
ven tsystem . Closed-vent

system mnans a syste m tha ti s no tope n t

o atmospher

e and tha t i s compose d o

f piping , connection s and , i f necessary , flow-inducin g device s tha t transpor tga s o r vapo r from a piec e o r piece s o f equipmen

tt o a contro l devic e o r bac k int o th e process . Connecto r mean s flanged, screwed , o r othe r joine d fittings use d t o connec ttw o pip e line s o

r a pip e lin e an

d a piec e o

f equipmen tA commo

n connecto r i s a flange. Joine

d fittings welde d completel y aroun d the circumferenc

e o f the interfac e ar

e no tconsidere d connectors fo r the purpos e o

f thi s regulation
. Fo

r th e purpos e o

f reportin g an d recordkeeping , connecto r mean s joine d fittings tha

tar e no tinaccessible , glass , O r glass-line d a s describe d i n 8 XXJC2
- 13(i)
. Control device mean s a

n enclose d combustio n device , vapo r recover y syste m (including device s use d fo r temporar y recover y an d ultimat e disposal , suc

h a s carbo n adsorption) , o r flare. Double block and

bleed system mean s tw o block valve s connecte d i n serie s wit h a blee d valv e o

r lin e tha tca n ven t th e lin e betwee n th e tw o bloc k valves
. Equipment

mean s eac h pump , compressor , agitator , pressure relief device , sampling connectio n system , open-ende d valv e o

r line , valve , connector , produc

taccumulato r vessel , and instrumentatio n syste m i n VHA P service ; and an

y contro l device s o

r system s require

d b y thi s subpart

. First attempt at repairmean s t

o tak e actio n fo r th e purpos e o

f stoppin g o

r reducing leakag e o f

organi c materia

l t o th e atmosphere
. In food/medical

service mean s tha

ta piec e o f equipmen

ti n VHA P servic e contact s a proces s strea

m use d t o manufactur

e a Foo d and Dru

g Administratio n regulate d produc twher e leakag e of

a barrie r flui d int o th e proces s strea

m woul d caus e an y o

f th e following : (1 ) A dilutio n of

produc tqualit y s o tha tth e produc

twoul d no tmee twritte

n specifications , (2) A n exothermi c reactio n which i s a safet y hazard , (3 ) Th e intende d reactio n t o b e slowe d dow n o r stopped , o r (4) A n undesire d sid e reactio n t o occur . In gas/vapor

service mean s tha

ta piec e o f equipmen

ti n VHA P servic e contain s a ga s o

r vapo r atoperatin g conditions
. In heavy liquid

service mean s tha

ta piec e o f eauipmen

ti n VHA P servic e i s no ti n gas/vapo r servic e o r i n ligh tliqui d service
. In light liquid service mean s tha

ta piec e o f equipmen

ti n VHA P servic e contain s a liqui d tha

tmeets th e followin g conditions : VP. 6

Federa l Registe r /

Vol
. 56
. No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 931 9

s v (1 ) The vapo r pressur e o f on e o r mor e o f the VHAP

s i s greater tha

n 0. 3 kilop a seal s (kPa

) a t20"C ; (2) The total concentratio n o f the pur e VHA P constituent

s havin g a vapo r pressur e greater tha

n 0.3 kP a a t20° C i s equa l t o o r greater tha

n 2 0 percen tb y weigh to f the tota l proces s stream ; an

d (3 ) Th e flui d i s a liqui d a

toperatin g conditions
. (Note : Vapo

r pressure s ma

y b e determine

d b y th e methods describe d in i 60.46 5 (e)(1). ) In liquid service mean s tha

ta piec e o

f equipmen ti n VHA P servic e i s no ti n gas/vapo r service
. In vacuum service mean s tha t equipmen ti s operating a

ta n interna l pressur e whic h i s atleas t5 kP

a belo w ambien tpressure . In VHAP service mean s tha

ta piec e o f equipmen

teithe r contain s o

r contacts a flui d (liqui d o

r gas ) tha ti s a tleas t5 percen tb y weigh ta volatil e hazardou s ai r pollutant(VHAP

) a s determined according t

o the provision s o

f S XX.X5(d)
. Th e provision s o f S XX.X5(d

) als o specif

y ho w t o determin e tha ta piec e o

f equipmen

ti s noti n VHA

P service
. In VOC service means , for th e purpose s o

f thi s subpart

, that : (1 ) The piec e o

f equipmen

tcontain s o

r contacts a proces s fluid tha ti s a tleas t 1 0 percen tVO C b y weigh t(se e 4 0 CF R 60. 2 fo r th e definitio n o

f volatil e organi c compoun d o r VOC , and 4 0 CF

R 60.485(d

) t o determine whethe r a piec e o f equipmen ti s notin VO C service ) an d (2 ) Th e piec e o

f equipmen

ti s no ti n heav y liqui d servic e a s defined in 4 0 CF R 60.481
. In-situ sampling systems mean s nonextractiv e samplers o

r in-lin e samplers
. Instrumentation system mean s a grou p o f equipmen

tcomponent

s use d t o conditio n an d conve y a sampl e o f th e proces s fluid t

o analyzer s and instrument

s fo r th e purpos e of determining proces s operatin g condition s (e.g , composition , pressure , flow
. etc)
. Valve s an d connector s ar e the predominan

ttyp e of equipmen

tuse d in instrumentatio n systems ; however , othe r type s o

f equipmen

tma y als o b e include d in thes e systems . Onl y valve s nominally 0.5 inche s an d smalle r an d connector s nominally 0.7

5 inche s an d smalle r i n diamete r ar

e considere d instrumentatio n system s fo r th e purpose s o f

thi s subpart

. Valve s greate r tha n nominally 04

5 inche s and connectors greater tha

n nominall

y 0.7 5 inche s associate d wit

h instrumentatio n system s ar

e notconsidere d par

tof instrumentatio n system s an d mus tb e monitored individually
. Liquids dripping mean s an y visibl e leakag e from the sea l including dripping, spraying , misting , clouding , an d ic e formation
. Indication s o

f liqui d drippin

g includ e puddlin

g o r ne w stain s tha

tar e indicativ e of

a n existin g evaporate d drip
. Miscellaneous butadiene use mean s a proces s tha

tproduce s on e o

r mor e o f the followin g butadien e products : tetrahydrophtali c anhydride (THPA) , methylmethacrylatebutadien e styren e (MBS ) resins , Captan® , Captafol®
. 1,4
- hexadiene , adiponitrile , dodecanedioni c acid , butadienefurfura

l cotrimer , methyimethacrylat

e acrylonitrile
butadien e styren e (MABS) resins , an d ethyliden e norbornene
. Nonrepairable mean s tha ti ti s technicall y infeasibl e t

o repair a piec e o

f equipmen tfrom whic

h a lea k ha s bee n detecte d withou

ta proces s uni

t shutdown
. Open-ended

valve or line mean s an y valve , excep tpressur

e relie f valves , havin g on e sid e o

f th e valv e sea ti n contactwit

h proces s fluid and on e sid e open t o atmosphere , eithe r directly o r throug h ope n piping
. Pesticide production mean s a proces s tha tuse s on e o

r mor e o f th e followin g chemical s a s a reactanto

r a processin g ai d I n th e synthesi s of

a pesticid e intermediat

e o r product : carbo n tetrachloride , ethylen e dichloride , and methylen e chloride
. Petroleum mean s th e crud e oi l o r natura l ga s liquid s remove d from th e eart h an d oil s derive d fro

m ta r sands , shale , an d coal
. Petroleum refining process unit mean s a proces s uni

ttha tfo r th e purpos e o

f producin g transportatio n fuel s (suc h a s gasolin e an d diese l fuels) , heatin g oil s (suc h a s distillate an d residua l fue l oils) , o r lubricants ; separate s petroleum ; o r separates , cracks , o r reform s unfinishe d petroleu m derivatives
. Example s o f such unit s include , butare no tlimite d to , alkylatio n units , catalyti c hydrotreating , catalyti c hydrorefining , catalyti c hydrocracking , catalyti c reforming, catalyti c cracking , crud e distillation , and therma

l processes . Pharmaceutical

production mean s a proces s tha

tsynthesize s pharmaceutica l intermediat

e o r final product

s usin g carbo n tetrachlorid e o r methylen e chlorid e a s a reactanto r proces s solven t Plant site mean s a contiguou s o r adjoinin g are

a unde r th e control of

a singl e owne r o r operato r tha tcontain s on e o r mor

e proces s unit

s t o whic h thes e standard s apply
. Plan

tsit e doe s no t includ e thos e unit

s t o which thes e standard s d o no tapply
. Polybutadiene production mean s a proces s tha

tproduce s polybutadien e throug h th e polymerizatio n o

f 1,3
- butadiene
. Polymerizing monomermean s a molecul e o

r compoun

d usually containin g carbo n an d o f relativel y lo w molecular weightan

d simpl e structur

e (e.g. , hydroge

n cyanide , acrylonitrile , styrene) , which i s capabl e o f conversio n t o polymers , syntheti c resins o r elastomer s b y combination wit h itsel f du e t o hea tgeneratio n cause d b y a pum p mechanica

l sea l surface , contaminatio n b y a sea l flui d (e.g.
. organi c peroxide s o

r chemical s tha

twil l for m organi c peroxides) , o

r a combinatio n o

f bot h wit h the resultan

t polyme r buildu

p causin g rapi

d mechanica

l sea l failure
. Pressure release mean s the emissio n o f material s resultin g from the syste m pressur e being greater tha

n th e se t pressur e o f the pressur

e relie f device
. Proces s uni

tmean s equipmen

ttha tuse s o r produce s a VHA

P o r it s derivative s a s intermediate s o

r fina l products , an

d i s liste d i n 5 XX.XO(b

) an d (c)
. Fo r th e purpos e o f thi s regulation , proces s uni t include s all equipmen

tassociate d wit

h th e uni tproces s operatio n (e.g. , reactors , distillation , etc.) , storage an d transfe r o f feed materia

l t o th e uni tproces s operatio n an

d final o r intermediat

e produc tfrom the uni

tproces s operation , an d operation s treating wastewate r from tiie uni

tproces s operation
. Process unit

shutdown mean s a wor

k practic e o r operationa

l procedur

e tha t stop s production from a proces s uni to r par to f a proces s uni

tdurin g whic h i ti s technicall y feasibl e t o clea r proces s materia l from a proces s uni

to r par to f a proces s uni

tconsisten twit

h safet y constraint

s an d durin

g whic h repairs ca n b e effected
. A n unschedule d wor k practice o r operationa

l procedur

e tha t stop s productio n from a proces s uni to r par to f a proces s uni

tfo r less tha n 2 4 hour s i s no ta proces s uni

tshutdown
. A n unschedule d wor

k practic e o

r operationa

l procedur

e tha twoul d sto p production from a proces s uni to r par to f a proces s unitfo

r a shorte r perio d o

f tim e tha n woul d b e require

d t o clea r the proces s uni

to r par to f the proces s uni

t of material s and star

tu p th e uni tan

d woul d resul ti n greater emission s tha n dela y o f repair o f leakin g component

s unti l th e nex tschedule d proces s uni t shutdown , i s no ta proces s uni t shutdown
. The us e o f

spar e equipmen

t an d technicall y feasibl e bypassin g o f equipmen twithoutstoppin g production ar e no tproces s uni

tshutdowns
. Product accumulatorvessel

mean s an y distillate receiver , bottom s receiver, surg e control vessel , o

r produc t separato r in VHA

P servic e tha

ti s vente d t o the atmospher

e eithe r directl

y withoutfirstgoin g throug

h a pressur

e relie f devic e o r throug

h a vacuu m producin g system . A produc

t accumulato r vesse l i s I

n VHA P servic e i fP. 7

932 0 Federa l Registe r / Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / ' Propose d Rule s
th e liqui d o r th e vapo r in the vesse l i s a t .pas t5 percentb y weigh tVHAP
. Repaired means tha

tequipmen

ti s adjusted , o

r otherwis e altered , t

o eliminat e a lea k a s defined in th e applicabl e section s o

f thi s subpart

. Screwed connectormean s a threaded pip e fitting where the thread s ar e cu to n th e pip e wal l an d th e fittin g require s onl y tw o piece s t

o mak e the connectio n (i.e. , th e pip e and th e fitting). Semiannual

mean s a 6-mont

h period ; the firstsemiannua

l perio d conclude s o n the las tda

y o f th e las tmont

h durin g th e 18 0 calenda r day s followin g initial startu p fo r ne w sources ; and the first semiannua

l perio d conclude s o n th e las t da y o f th e las tmont

h durin g th e 180 calenda r day s afte

r th e effectiv e dat

e o f a specifi c subpar

ttha treference s thi s subpar tfo r existin g source s unles s a n earlie r mont

h i s designate d b y th e owne r o r operator . Sensormean s a devic e tha tmeasure s a physica l quantit

y o r th e chang e i n a physica l quantity , such a s temperature , pressure , flow rate , pH , o r liqui d level
. Set pressure mean s the pressur e a i whic h a properl

y operating pressur

e relie f devic e begin s t o ope n t

o reliev e atypical proces s syste m operatin g pressure . Startup mean s th e settin g i n operatio n o f a proces s uni

to r contro l device
. Styrene-butadiene rubber production mean s a proces s tha

tproduce s styrene butadien e copolymers , whethe r i n soli d (elastomer ) o r emulsio n (latex ) form
. Volatile hazardous air

pollutant o r VHAP mean s a substanc e liste d i n S XX.X8-1
. Sectio n XX.X2- 1 Standards : Genera l (a ) Eac h owne r o

r operato r subjectt o th e provision s o

f thi s subpar

tshal l demonstrat

e complianc e wit

h th e requirement

s o f 5 XX.X2- 1 t

o ! XX.X2
- 1 3 fo r eac h ne w and existin g sourc e a s require d i n 4 0 CF

R 61.05
. excep ta s provide d i n fi XX.X

3 and fi XX.X4
. (b ) Compliance with thi s subpar twil l b e determine d b y revie w o f records , revie w o f performanc

e tes tresults , an d inspectio n usin g th e method s an d procedure s specifie d i n fi XX.X5
. (c)(1 ) A n owne r o

r operato r ma

y reques ta determinatio n o f alternativ e mean s o f emissio n limitatio n t

o th e requirement

s o f fi XX.X2-2 , fi XX.X2-3 , fi XX.X2-5 , fi XX.X2-6
. fi XX.X2-7 , fi XX.X2-8 , fi XX.X2-9 , fi XX.X2-11 , fi XX.X2-12
. an d fi XXJC2-13 ar e provide d i n fi XX.X4
. (2 ) I f th e Administrato r make s a determinatio n thata mean s o f emissio n limitatio n i s a permissibl e alternativ e t o th e requirements o f

fi XX.X2-2 , fi XX.X2-3 , fi XX.X2-5 , fi XX.X2-6
. fi XX.X2-7
. fi XXJC2-8

, fi XXJC2-9

, fi XX.X2-11 , fi XX.X2-12
. and fi XX.X2
- 13 , the owne r o

r operato r shal l compl

y wit h the alternative
. (d ) Eac h piec e o f equipmen

ti n a proces s uni

tt o whic h thi s subpar

t applie s shal l b e identifie d such tha ti t ca n b e distinguishe d readil y fro m equipmen ttha ti s no tsubjectt o thi s subpart
. Identificatio n o

f th e equipmen

t doe s no trequir

e physical taggin

g o f the equipment

. Fo r exampl e th e equipmen

t ma y b e identifie d o n a plan tsit e plan , i n lo g entries , o

r b y designatio n o

f proces s uni tboundarie s b y som e for

m o f weatherproo

f identification
. (e ) Equipmen

ttha ti s i n vacuu

m servic e i s exclude d from th e requirement

s o f fi XX.X2- 2 t

o fi XX.X2
- 1 3 i f i ti s identifie d a s require

d i n fi XX.X6(b)(5)
. (f ) Equipmen

ttha ti s in VHA

P servic e les s tha n 30 0 hour s pe r calenda r yea r i s exclude d from th e requirements o f fi XX.X2- 2 t

o fi XX.X2-1 3 and fi XX.X4- 2 i f i ti s identifie d a s required i n fi.XX.X6(b)(7). (g ) The provision s fo

r existin g proces s unit s appl y t o proces s unit

s tha t commence d constructio n o r reconstructio n before [Insert date of publication of

proposal rule in the Federa l Register] ; th e provision s fo r ne w proces s unit

s appl y t o unit s th e constructio n o

r reconstructio n o

f which commence s o n o r afte r [Insert date of publication of

proposal rul in the Federa l Register]
. Sectio n XX.X2- 2 Standards : Pump s i n Ligh tLiqui d Servic e (a ) The provision s o

f thi s sectio n appl y t o eac h pum

p tha ti s i n lightliqui d service
. (1 ) The provision s ar

e implemente d o n the specifie d applicabilit

y date s designate d i n fi XX.X0(b ) fo r existin g an d ne w proces s unit

s i n th e phase s specifie d below : (i ) Fo r eac h grou

p o f existin g proces s units , th e phase s o

f th e standar

d are : (A ) Phas e L beginnin g o n th 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 m , beginnin g 2V

s year s after th e applicabilit

y date
. (ii ) Fo r ne w proces s units , th e applicabl e phase s o

f th e standar

d are : (A ) Afte r initial startup , compl y with th e Phas e I

I requirements
. (B) Beginnin

g 1 yea r after startup , comply with the Phas e i n requirements
. (2 ) The owne r o

r operato r o

f a n affecte d proces s uni

tma y elec tt o mee t th e requirements o

f a late r phas e durin

g th e tim e perio d specifie d fo

r a n earlie r phase
. (b ) (1 ) Th e owne r o r operato r of a n affecte d proces s uni

tshal l monito r eac h pum p monthl y t o detec tleak s b

y th e method specifie d in fi XX.X5(b ) an d shal l compl

y wit h th e requirement

s o f paragraphs (a

) throug h (d ) o f thi s section , excep ta s provided i n fi XX.X2
- 1(c) an d paragraph

s (e ) throug

h (h ) o f thi s section
. (2 ) Th e instrumen

treading , a s determined b y th e metho d a s specifie d in fi XX.X5(b) , tha

tdefine s a leak in eac h phas e o

f th e standar

d is : (i ) Fo r Phas e I , a n instrumen

treading o f 10,00 0 pp m o r greater . (ii ) Fo r Phas e II , a n instrumen

treadin g o f 5,00 0 pp m o r greater . (iii ) Fo r Phas e HI

, a n instrumen

t readin g o f (A ) 5,00 0 pp m o r greate r fo

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

r pumps i n food/medica l service , and (C) 1,00 0 pp m o r greate r fo

r al l othe r pumps . (3) Eac h pum p shal l b e checke d b y visua l inspectio n each calenda r wee k fo r indication s o

f liquid s drippin

g from th e pum p seal
. I f ther e ar e indication s o

f liquid s drippin

g from the pum

p seal , a lea k i s detected
. (c ) (1 ) When a lea k i s detected , i tshal l b e repaired a s soo n a s practicable , bu t no tlate r tha

n 1 5 calenda r day s afte

r i ti s detected , excep ta s provided i n paragrap h (c ) (3) o f thi s sectio n o

r fi XX.X2-10
. (2 ) A firstattemp ta

trepair shal l b e mad e n o late r tha

n 5 calenda r day s afte

r th e leak i s detected
. Firstattempt s a t repai r include , bu

tar e no tlimite d to , th e followin g practice s wher e practicable : (i) Tightenin

g o f packin g glan d nuts . (ii ) Ensurin

g tha tth e sea l flush i s operating atdesig n pressur e and temperature . (3) For pump s i n Phas e II I t o which a 1,00 0 pp m leak definitio n applies , repair i s no trequire

d unles s a

n instrumen

t readin g of

2,00 0 pp m o r greate r i s detected
. (d ) (1 ) Th e owne r o

r operato r shal l decid e n o late r tha

n th e firstmonitorin

g perio d whethe r t

o calculate percent leakin g pump s o n a proces s uni tbasi s o r o n a plantsit e basis
. Onc e th e owne r o

r operato r ha s decided , al l subsequen t percentcalculation s shal l b e mad e o n th e sam e basis
. (2) If , i n Phas e HI

, calculate d o n a 6
- mont h rolling average , th e greate r o f eithe r 1 0 percento

f th e pumps i n a proces s unit(o r plan tsite ) o r 3 pump s i n a proces s uni

t(o r plan tsite ) leak , th e owne r o r operato r shal l implemen ta qualit y improvemen

tprogra m fo r pumps tiiatcomplie s wit

h th e requirements o

f fi XX.X3-2
. (3 ) The numbe

r o f pumps a ta proces s uni t(o r plan tsite ) shal l b e the su

m o f al ! 

## UP. 8

Federa l Registe r /

Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 932 1
th e pump s i n VHA P service , excep ttha

t pump s foun d leaking i n a continuou s proces s uni

twithi n 1 mont

h afte r startu p shal l notcoun

ti n th e percen

tleakin g pump s calculatio n fo

r tha ton e monitorin g perio d only
. (4 ) Percen tleaking pump

s shal l b e determined b y the followin g equation : PU=((PI.-P.)/(PT-P.))X10 0 where : %P L =percen tleakin g pump s P L =numbe r o f pump s foun d leakin g a s determine d throug h monthl y monitorin

g a s require d i n paragraph

s (b ) (I ) an d (2 ) o f thi s sectio n P T =Tota l pump s i n VHA P service , includin g thos e meetin g th e criteri a i n paragraph

s (e ) an d (f ) o f thi s sectio n P g =numbe r o f pump s leakin g withi n 1 mont h o f startu p durin g th e curren tmonitorin g perio d (e ) Eac h pum p equippe d wit

h a dua l mechanica

l sea l syste m tha

tinclude s a barrie r flui d syste m i s exemp tfrom th e requirement

s o f paragrap h (b ) of thi s section , provide d th e followin g requirement

s ar e met : (1 ) Eac h dua l mechanica

l sea l syste m is : (i) Operated wit

h the barrie

r fluid a ta pressur e tha ti s a tal l time s greate r tha

n th e pum p stuffin g bo x pressure : o

r (ii ) Equippe

d wit h a barrie r fluid degassin g reservoi r tha

ti s connecte d b y a closed-ven tsyste m t

o a contro l devic e tha tcomplie s wit

h th e requirement

s o f fi XX.X2-11 ; or. (iii ) Equippe

d wit h a closed-loo p syste m tha

tpurge s th e barrie r fluid int o a proces s stream . (2 ) The barrie

r fluid i s no ti n light
liqui d VHA

P service
. (3) Eac h barrie r fluid syste m i s equippe d wit

h a senso r tha

twil l detec t failur e of th e sea l system , th e barrie r fluid system , o

r both
. (4 ) Eac h pum p i s checke d b y visua l inspectio n eac h calenda r wee k fo r indication s o

f liquid s drippin

g from the pum p seal
. (i ) I f ther e ar e indication s o

f liqui d drippin g from th e pum

p sea l atth e time o f th e weekl y inspection , th e pum p shal l b e monitore

d a s specifie d in fi XX.X5(b ) t o determine the presenc e o f VHA P i n the barrie r fluid
. (ii ) I f a n instrumen

treading o

f 1,00 0 pp m o r greater i s measured , a leak i s detecte d (5) Eac h senso r a s describe d i n paragrap h (e ) (3 ) of

thi s sectio n i s observe d dail y o

r i s equippe d wit

h a n alar m unles s tiie pum

p i s locate d withi n th e boundar

y of a n unmanned plan

tsite
. (6 ) (i ) Th e owne r o r operato r determines , base d o n desig n consideration s and operating experience , criteri a applicabl e t o th e presenc e an d frequency o f drip s an d t

o th e senso r tha

tindicate s failur

e o f th e sea l system , th e barrie

r flui d system , o

r both
. (ii ) I f indication s of

liquid s drippin

g fro m th e pum p sea l excee d the criteria establishe d in paragrap

h (e)(6)(i ) o

f thi s section , o r if
. base d o n the criteria establishe d i n paragrap

h (e)(6 ) (i ) o

f thi s section , the senso r indicate s failur e o f th e sea l system , the barrie

r fluid system , o r both , a lea

k i s detected
. (iii ) Whe n a lea k i s detected , i

tshal l b e repaired a s soo n a s practicable , bu t notlate r tha

n 1 5 calenda r day s afte

r i t1 B detected , excep ta s provide d i n fi XX.X2-10
. (iv ) A firstattempta

trepai r shal l b e made n o late r tha

n 5 calenda r day s afte

r each lea k i s detected
. (f ) An y pum p tha ti s designe d wit

h n o externall y actuate d shaf

tpenetrating the pum p housin g i s exemp tfrom paragraph

s (b)(1 ) an d (2 ) o f thi s section
. (g ) An y pum p equippe d wit

h a closed
ven tsyste m capabl e o

f capturin g an d transportin

g an y leakag e from th e sea l o r seal s t o a contro l devic e that complie s wit

h th e requirements o

f fi XX.X2- U i s exemp tfro

m th e requirement

s o f paragraphs (b)-(e)
. (h ) An y pum

p tha ti s locate d withi n the boundar

y o f a n unmanne

d plan tsit e i s exemp tfrom the weekl y visual inspectio n requiremen

to f paragraphs (b ) (3 ) and (e ) (4) o

f thi s section , and the dail y requirement

s o f paragrap h (e ) (5 ) o f thi s section , provide d tha teac h pum

p i s visuall y inspecte d a s ofte n a s practicabl e an d atleas tmonthly
. Sectio n XX.X2- 3 Standards : Compressors
. (a ) Eac h compresso r shal l b e equippe d wit h a sea l syste m tha

tinclude s a barrie r fluid syste m an d thatprevent leakag e o f proces s fluid t

o atmosphere , excep ta s provide d i n fi XXJC2-l(c ) an d paragraphs (h

) an d (i ) o f thi s sectio n (b ) Eac h compresso r sea l syste m a s require d i n paragrap

h (a ) o f thi s sectio n shal l be : (1 ) Operate d with th e barrie r fluid ata pressur e tha ti s greate r tha

n th e compresso r stuffin

g bo x pressure ; o r (2 ) Equippe d wit h a barrie r fluid syste m tha

ti s connecte d b y a closed
ven tsyste m t

o a contro l devic e tha

t complie s wit

h th e requirements of fi XX.X2-11 ; o r (3) Equippe

d with a closed-loo p syste m thatpurges th e barrie r fluid directly int

o a proces s stream . (c) The barrier fluid shal l no tb e i n ligh tliqui d service
. (d ) Eac h barrie r fluid syste m a s describe d i n paragraphs (a ) throug h (c ) o f thi s sectio n shal l b e equippe d wit h a senso r tha

twil l detec tfailur

e o f th e sea l system , barrie

r fluid system , o r both
. (e ) (I ) Eac h senso r a s require

d i n paragrap h (d ) o f thi s sectio n shall b e observe d dail y o

r shall be equippe

d wit h a n alar m unles s the compresso r i s locate d withi n the boundar y o f a n unmanne d plan tsite
. (2 ) Th e owne r o r operator shal l determine , base d o

n desig n consideration s an

d operatin g experience , a criterion tha tindicate s failur e o f th e sea l system , the barrie

r flui d system , o

r both
. (f ) I f th e senso r indicate s failur

e o f th e sea l system , the barrie

r fluid system , o

r bot h base d o n th e criterio n determined unde r paragrap

h (e ) (2 ) o f thi s section , a lea k l e detected
. (g ) (1 ) Whe n a leak i s detected , i

tshall b e repaired a s soo n a s practicable , bu t no tlate r tha n 1 5 calenda r day s afte

r i ti s detected , excep ta s provide d i n 5XX.X2-10
. (2 ) A firstattemptatrepai

r shall b e mad e n o late r tha

n 5 calendar day s afte

r each leak i s detected
. (h ) A compresso r i s exemp tfro m th e requirement

s o f paragraph

s (a ) an d (b) o f thi s sectio n i

f i ti s equipped wit

h a closed-ven tsystem capabl e o f capturin g an d transportin

g an y leakag e from th

e sea l t o a contro l devic e tha

tcomplie s wit h the requirements o

f fi XX.X2-U , excep ta s provided in paragrap h (i).of thi s section
. (i ) An y compresso r tha

ti s designated , a s describe d i

n fi XX
. X 6 (b) (2) , t o operat e a s indicate d b y a

n instrumen

t reading o f less tha n 50 0 pp m abov e background , i s exemp tfrom th e requirements o

f paragraph

s (a ) throug h (h ) o f thi s sectio n i

f the compresso r (1 ) I s demonstrate d t

o b e operating wit h a n instrumen

treading o

f less tha n 50 0 pp m abov e background , a s measure d b y the method specifie d i n fi XX.X5(c) ; and (2 ) I s teste d fo

r complianc e wit

h paragrap h (i)(l ) o f thi s sectio n initiall y upon designation , annually , and a tother time s requeste d b y th e Administrator
. Sectio n XXJC2-

4 Standards : Pressur

e Relie f device s i n Gas/vapo r Service
. (a ) Excep tdurin

g pressur e releases , eac h pressur

e relie f devic e i n gas/vapo r servic e shal l b e operate d wit h a n instrumen treading of

les s tha n 500 pp m abov e backgroun

d excep ta s provided in paragrap h (b ) o f thi s section , a s measured b y the metho d specifie d i n fi XXJC5(c)
. (b)(1 ) Afte r eac h pressur

e release , the pressur e relie f devic e shal l b e returne

d t o a conditio n indicate d b y a n instrumen treadin g o f less tha n 50 0 pp m abov e background , a s soo n a s practicable , bu

tno late r tha

n 5 calenda r932 2 Federa l Registe r / Vol
. 56
. No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s day s afte r eac h pressur

e release , excep t a s provided i n fi XX.X2-10
. (2 ) No late r tha

n 5 calenda r day s after th e pressur

e release, th e pressur

e relie f devic e shal l b e monitored t o confir m th e conditio n indicate d b y a

n instrumen

t reading o f les s tha n 50 0 pp m abov e background , a s measure d b y the metho d specifie d in fi XX.X5(c)
. (c ) Any pressur

e relief devic e tha

ti s equipped wit

h a closed-ven tsyste m capabl e o f capturin g and transportin

g leakag e from the pressur

e relief devic e t o a contro l devic e a s describe d i n fi XX.X21 1 i s exemp tfrom th e requirement

s o f paragraphs (a

) and (b ) o f thi s section
. Sectio n XX.X2- 5 Standards : Samplin g Connectio n Systems
. (a ) Eac h sampling connectio n syste m shal l b e equipped wit

h a closed-purge , closed-loop , o

r closed-ven tsystem , excep ta s provide d in fi XX.X2-l(c)
. (b ) Eac h closed-purge , closed-loop , o r closed-ven tsyste m a s require d i n paragrap h (a ) o f thi s sectio n shall : (1 ) Retur n the purge

d proces s fluid directl y t o the proces s lin e o

r (2 ) Collectan d recycl e th e purge d proces s fluid; o r (3) B e designe d and operate d t o captur e an d transpor

tall th e purge

d proces s fluid t

o a contro l devic e tha

t complie s wit

h th e requirement

s o f fi XX.X2-11
. (c ) In-situ sampling system s ar e exemp tfro

m the requirement

s o f paragraphs (a

) and (b ) o

f thi s section
. Sectio n XX.X2- 6 Standards : Open
ende d Valve s o

r Line s (a)(1 ) Eac h open-ende d valv e o

r lin e shal l b e equippe d wit

h a cap , blin d flange, plug , o

r a secon d valve , excep t a s provide d in fi XX.X2-l(c)
. (2 ) The cap , blin d flange, plug , o r secon d valv e shal l sea l tiie ope n en d at al l time s excep tdurin

g operation s requirin g proces s fluid flow throug h th e open-ende d valv e o

r lin e o r durin g maintenanc e o

r repair
. (b ) Eac h open-ende d valv e o

r lin e equippe d wit

h a secon d valv e shal l b e operate d in a manner such tha tth e valv e o n th e proces s fluid en d i s close d befor e th e secon d valv e i s closed
. (c ) Whe n a doubl e bloc k an d blee d syste m i s bein g used , th e blee d valv e o r lin e ma y remain ope n durin

g operation s tha trequir e ventin g th e lin e betwee n th e bloc k valve s bu

tshal l comply wit

h paragrap h (a ) o f thi s sectio n a

tal l othe r times. Sectio n XX.X2- 7 Standards : Valve s i n Gas/Vapo r Servic e an d in Ligh tLiqui d Servic e (a ) The provision s o

f thi s sectio n appl y t o valve s tha

tar e eithe r in ga s servic e o r i n ligh tliqui d service
. (1 ) Th e provision s ar

e implemented o n the specifie d appUcabilit

y date s se tfort

h i n fi XX.XO(b

) fo r existin g an

d ne w proces s unit

s in th e phase s specifie d below : (i ) Fo r eac h grou

p o f existin g proces s units , the phase s o

f th e standar

d are : (A ) Phas e I

, beginnin g o n th e applicabilit

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

y date ; an d (C ) Phas e III

, beginnin g 2V

s year s after th e applicabilit

y date
. (ii ) Fo r ne w proces s units , th e applicabl e phase s o

f th e standar

d are : (A ) After initial startup , compl y wit h th e Phas e I

I requirements. (B ) Beginnin g 1 yea r after startup , compl y wit h the Phas e H

I requirements. (2 ) The owne r o

r operato r o

f a n affecte d proces s uni

tma y elec tt o mee t th e requirement

s o f a late r phas e durin

g the time perio d specifie d fo r a n earlie r phase
. (b ) Th e owne r o r operato r o

f a n affecte d proces s uni

tshal l monito r al l valves , excep ta s provide d i n fifi XX.X2
- 1(c) , an d (h ) and (i) o f thi s section , a

tth e interval s specifie d in paragraphs (c) and (d ) o f thi s sectio n and shal l compl y wit h al l other provision s o

f thi s section , excep ta s provide d i n fi XX.X2-10, fi XX.X4-1 , fi XX.X4-2 , an d fi XX.X4-3
. (1 ) The valve s shal l b e monitored t o detec tleak s b y the metho d specifie d i n fi XX.X5(b)
. (2 ) The instrumen

treading tha

t define s a leak i n eac h phas e o f th e standard is : (i ) Fo r Phas e I , a n instrumen

treadin g o f 10,00 0 pp m o r greater . (ii ) Fo r Phas e D, a n instrumen

treadin g o f 50 0 pp m o r greater . (iii ) Fo r Phas e ID, a

n instrumen

t readin g of

50 0 pp m o r greater . (c) I n Phase s I an d I

L eac h valv e shal l b e monitored quarterly
. (d ) I n Phas e HI

, th e owne r o

r operato r shal l monito r valve s fo

r leak s a tth e interval s specifie d below : (1 ) A tproces s unit

s wit h 2 percento

r greate r leakin g valves , calculate d a s a rollin g averag e o

f 2 consecutiv e periods , th e owne r o

r operato r shal l eithe r (i ) Monitor eac h valv e onc e pe r month ; o r (ii ) Within th e firstyea r afte r th e onse to f Phas e III , implemen

ta qualit y improvemen

tprogra m fo r valve s tha

t complie s wit

h the requirement

s of fi XX.X3- 1 and monito r quarterly
. (2 ) A tproces s unit

s wit h les s tha n 2 percentleakin g valves , th e owne r o r operato r shal l monito r eac h valv e onc e eac h quarter

, excep ta s provided in th e followin g paragraphs (3 ) an d (4) o f thi s section
. (3 ) A tproces s unit

s wit h les s tha n 1 percentleakin g valves , th e owne r o r operato r ma

y elec tt o monito r each valv e onc e ever

y 2 quarters . (4 ) A tproces s unit

s wit h les s tha n 0.5 percentleakin g valves , the owne r o r operato r ma

y elec tt o monito r eac h valv e onc e ever

y 4 quarters . (e)(1 ) Percen

tleakin g valve s a

ta proces s uni

tshal l b e determined b y the followin g equation : *V t=/(Vj(V T +V c ))xlO O wher e 95V t =percen tleakin g valve s V L =numbe r o f valve s foun d leakin g excludin g nonrepairable

s a s provide d i n paragrap h (e ) (3 ) (i ) o f thi s sectio n V T =Tota l valve s monitore d V c =Optiona l credi tfo r remove d valve s = 0.6 7 X ne tnumbe r (i.e. , tota l remove d - tota l added ] o f valve s i n VHA P servic e remove d fro m proces s uni tafte r th e applicabilit y dat e se tfort h i n S XX.XO(b

) fo r existin g proces s units, an d afte r th e dat e o f startu p fo r ne w proces s units
. I f credit s ar e no ttaken , the n V c =0
. (2 ) Fo r us e in determinin

g monitorin

g frequency , a s specifie d in paragrap h (d ) o f thi s section , the percen

tleakin g valve s shal l b e calculate d a s a rolling averag e o f 2 consecutiv e monitorin

g period s fo r monthly , quarterly , o

r semiannua

l monitorin

g programs ; an

d a s a n averag e o

f an y 3 ou to 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 d i n th e calculatio n o f percen t leakin g valve s the firsttim e the valv e i s identifie d a s leakin g an d nonrepairabl e an d a s require

d t o compl y with paragrap h (e ) (3) (ii ) o

f thi s section
. Otherwise , a numbe

r o f nonrepairabl e valve s (identifie d and include d in the percentleakin g calculatio n in a previou s period ) u p t o a maximu

m o f 1 percento

f the total numbe

r of valve s i n VHA

P servic e ata proces s uni

tma y b e exclude d from calculatio n o f percent leakin g valve s fo

r subsequen t monitoring periods
. (ii ) I f th e numbe

r o f nonrepairabl e valve s exceed s 1 percen

to f the total numbe r o f valve s i n VHA

P servic e a

ta proces s unit

, th e numbe

r o f nonrepairabl e valve s exceedin g 1 percento f the tota l numbe r o f valve s i n VHA P servic e shal l b e include d in the calculatio n o

f percen tleakin g valves
. (f)(1 ) Whe n a lea k i s detected , i tshal l b e repaired a s soo n a s practicable , bu t n o late r tha

n 1 5 calenda r day s afte

r th e P. 9P.1 0

lea k i s detected , excep ta s provided i n fi XX.X2-10
. (2 ) A firstattemp

ta trepair shal l b e mad e no late r tha

n 5 calenda r day s afte

r eac h leak i s detected
. (3 ) Whe n a lea k i s repaired , the valv e shall b e monitore

d a tleas tonc e withi n th e firs tthre e month s afte r it s repair

. (g ) Firs tattempt s a trepai r include , bu

t ar e notlimite d to , th

e followin g practice s wher

e practicable : (1 ) Tightenin

g o f bonne tbolts ; (2 ) Replacemen

to f bonnetbolts ; (3 ) Tightenin

g o f packing glan d nuts ; an d (4 ) Injection o

f lubrican tint o lubricated packing
. (h ) An y valv e tha

ti s designated , a s describe d in fi XX.X6(i)(l) , a s a n unsafe
to-monitor valv e i s exemp tfro m the requirement

s o f paragrap h (b) throug

h (d ) o f thi s sectio n if

: (1 ) Th e owne r o r operato r o

f th e valv e determine s tha

tthe valv e i s unsaf

e t o monitor becaus e monitorin g personne

l woul d b e expose d t o a n immediat e dange r a s a consequenc e o

f complying wit h paragraph

s (b) throug

h (d ) o f tins section ; and (2 ) Th e owne r o r operato r o

f th e valv e ha s a written pla

n tha trequires 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

ti s designated , a s describe d i n fi XX.X6(i

) (2) , a s a difficult-to-monitor valv e i s exemp tfro m the requirement

s o f paragraph

s (b) throug h (d ) o f thi s sectio n if

: (1 ) Th e owne r o r operato r of

th e valv e determine s tha

tth e valv e cannotb e monitore d withoutelevatin g th e monitorin g personne

l mor e tha n 2 meter s abov e a suppor

tsurface ; (2 ) Th e proces s uni

twithi n whic

h th e valv e i s locate d i s a

n existin g proces s unit ; an d (3 ) Th e owne r o r operato r o

f the valv e follow s a written pla n tha trequire s monitorin g o f the valv e a

tleas tonc e pe

r calenda r year . (j ) An y equipmen

tlocate d a

ta plan t site wit h fewe r tha

n 25 0 valve s i n VHA

P servic e i s exemp tfrom the requirement s o f paragrap h (d ) (1 ) o f thi s section
. Excep ta s provided in paragraph s (h ) an d (i) o f thi s section , the owne r o

r operato r shal l monito r eac h valv e in VHA P servic e fo

r leak s onc e eac h quarter , o r compl y wit h paragraph

s (d ) (3 ) o r (d ) (4 ) o f thi s section
. Sectio n XX.X2- 8 Standards : Pumps , valves , connectors , and agitators i n heav y liqui d service ; instrumentation systems ; an

d pressur e relie f device s i n liqui d service
. (a ) Pumps , valves , connectors , an d agitators in heav y liqui d service , pressur e relie f device s i n lightliqui d o

r heav y liqui d service , an

d instrumentation system s shal l b e monitore d withi n 5 calenda r day s b y the method specifie d in fi XX.X5(b ) i f evidenc e o

f a potentia

l leak i s foun

d b y visual , audible , olfactory , o r an y other detectio n method , excep ta s provided in fi XX.X2-l(c)
. I

f a potentia

l leak in a

n instrumentation syste m i s repaired a s require d i n paragraph

s (c ) an d (d ) o f thi s section , i ti s notnecessar y t

o monitor th e system fo

r leak s b y the method specifie d i n fi XX.X5(b)
. (b ) I f a n instrumen

treading o

f 10,00 0 pp m o r greater fo

r agitators , 1,00

0 pp m o r greater fo

r pumps , o

r 50 0 pp m o r greate r fo r valves , connectors , instrumentation systems , an d pressur e relie f device s i s measured , a lea k i s detected
. (c) (1 ) Whe

n a leak i s detected , i

tshal l b e repaire d a s soo n a s practicable , bu t notlate r tha

n 1 5 calenda r day s afte

r i ti s detected , excep ta s provide d i n fi XX.X2-10
. (2 ) Th e firs tattemp ta

trepair shal l b e made n o late r tha

n 5 calenda r day s afte

r each lea k i s detected
. (3 ) Fo r instrumentatio n system s tha t ar e notmonitored b y th e metho d specifie d i

n fi XX.X5(b) , repaire

d shal l mea n tha tthe visual , audible , olfactory , o r othe r indication s o

f a lea k hav e bee n eliminated ; tha

tn o bubble s ar

e observe d a

t4 4 potentia l leak site s durin g a leak chec

k usin g soa p solution ; o r tha tthe syste m wil l hol d a tes t pressure . (d ) Firs tattempt s a trepair include , bu tar e notlimite d to , th e bes tpractice s describe d unde

r fi XX.X2-7(e)
. SectionXX.X2- 9 Standards : Produc t accumulato r vessels
. Eac h produc taccumulato r vesse l shal l b e equipped wit

h a closed-ven tsyste m capabl e o f capturin g and transportin

g an y leakag e fro

m the vesse l t

o a contro l devic e a s describe d i n fi XX.X2-11 , excep ta s provided in fi XX.X2-l(c)
. Sectio n XX.X2-1 0 Standards : Dela y of repair
. (a ) Delay o f repai r o f equipmen

tfo r whic h leak s hav e bee n detecte d i s allowe d i f th e repai r i s technicall y infeasibl e withouta proces s uni t shutdown
. Repair o

f thi s equipmen

t shal l occur b y the en d o

f th e nex t proces s uni

tshutdown
. (b) Delay o

f repai r o f equipmen

tfo r whic h leak s hav e bee n detecte d i s allowe d fo

r equipmen

ttha ti s isolate d fro m th e proces s and tha

tdoe s not remai n i n VHA P service
. (c ) Delay o f repair fo r valves , connectors , and agitators i s als o allowe d if : (1 ) Th e owne r o r operator determines tha temission s o

f purge d materia l resultin g fro

m immediat

e repair woul d b e greate r tha n th e fugitiv e emission s likel y t o resul tfro m delay o f repair , an d (2 ) Whe n repai r procedures ar

e effected , th

e purge d materia l i s collecte d an d destroye d o

r recovere d i

n a contro l devic e complying wit

h SXX.X2-11
. (d ) Dela y o f repai r fo r pump s i s als o allowe d if : (1 ) Repai r require s replacing a singl e mechanica

l sea l system wit

h (i ) A dua l mechanica

l sea l system tha

t meets th e requirement

s o f { XX.X2-2(e)
. (ii ) a pum p tha tmeets th e requirement

s o f fi XX.X2-2(f)
. o

r (iii ) a closed-ven tsystem contro l devic e tha

tmeet s the requirement

s o f fi XX.X2-2(g) , an

d (2 ) Repai r i s complete d a s soo n a s practicable , bu

tnotlate r tha

n 6 month s afte r the lea k wa s detected
. (e) Dela y o f repai r beyon d a proces s uni tshutdown wil l b e allowe d fo r a . valv e i f valv e assembl y replacemen ti s necessar y durin

g the proces s uni

t shutdown , valv e assembl y supplie s have bee n depleted , an

d valv e assembl y supplie s ha

d bee n sufficiently stocke d befor e the supplie s wer e depleted
. Dela y o f repair beyon d th

e nextproces s uni

t shutdown wil l no

tb e allowe d unles s th

e nex tproces s uni

tshutdow n occur s soone r tha

n 8 months afte

r th e firs t proces s uni

tshutdown
. Sectio n XX.X2-1 1 Standards : Closed
ven tsystem s an

d contro l devices
. (a ) Owner s o r operator s o f closed
ven tsystem s an

d contro l device s use d t o compl y wit h provision s o

f thi s subpar tshal l compl

y wit h th e provision s o f thi s section , excep ta s provided in fi XX.X2-l(c)
. (b) Vapor recover

y system s (fo

r example , condenser s an

d adsorbers ) shal l b e designe d an

d operated t

o recove r the organic emission s vente d t o the m wit h a n efficienc y o f 9 5 percen to r greater . (c) Enclose d combustion device s shal l b e designe d and operated t o reduc e th e organi c emission s vente d t o the m wit h a n efficiency o

f 9 5 percen to r greater o

r t o provid e a minimu

m residenc e tim

e o f 0.50 second s a

ta minimu

m temperatur

e of760*C
. (d ) Flares use d t

o compl y wit h thi s subpar tshal l compl

y wit h th e requirement

s o f fi 60.18
. (e ) Owners o

r operator s o f contro l device s tha

tar e use d t o compl y wit h th e provision s o

f thi s subpar

tshal l monitor thes e contro

l device s t

o ensur e tha tthe y ar e operated an

d maintained i

n conformanc

e wit h their design
.P.1 1

•a ) »32 4 Federa l Registe r / Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s

•* * (f

) (1 ) Closed-ven tsystem s shal l b e designe d fo

r an d operate d wit

h a n instrumen treading o

f les s tha n 50 0 pp m abov e backgroun

d an d b y visua l inspections , a s determine d b y th e method s specifie d a s fi XXJC5(c)
. (2 ) Closed-ven tsystem s shal l b e monitore d t o determine complianc e wit h thi s sectio n initiall y i n accordanc e with fi 61.05 , annually , and a

tothe r time s requeste d b y th e Administrator , excep t equipmen tcomponent

s o n close d ven t system s meetin g th e description s i n fi XX.X2-7(h ) and fi XX.X2-13(f ) throug h (h ) shal l meetth e requirement s o f thos e sections
. (3) Leaks , a s indicate d b y a n instrumen treading greate r tha

n 50 0 pp m abov e backgroun

d an d visua l inspections , shal l b e repaired a s soo n a s practicable , bu

tno tlate r tha

n 1 5 calenda r day s afte

r th e lea k i s detected
. (4 ) A firstattemp tatrepai r shal l b e mad e no late r tha

n 5 calenda r day s after th e lea k i s detected
. (g ) Wheneve r VHA

P emission s are vente d t n A closed-ven tsyste m o r contro l devic e use d t

o compl y wit h th e provision s o

f thi s subpar tsuc

h syste m o r control devic e shal l b e operating
. Sectio n XXJC2-12 Standards : Agitator s i n gas/vapo r servic e and i n lightliqui d service
. (a)(1 ) Eac h agitato r shal l b e monitored monthl y t o detec tleak s b y th e method s specifie d in fi XX.X5(b) , excep ta s provide d i n fiXXJC2-l(c). (2 ) Eac h agitato r shal l b e checke d b y visual inspectio n eac h calenda r wee k fo r indication s o

f liquid s drippin

g from th e agitator
. (b)(1 ) I f a n instrumen

treadin g of 10,00 0 pp m o r greate r i s measured , a leak i s detected
. (2 ) I f ther e ar e indication s of

liquid s drippin g from th e agitator , a lea k i s detected
. (c)(1 ) Whe n a lea k i s detected , i tshal l b e repaired a s soo n a s practicable , bu t no tlate r tha

n 1 5 calenda r day s after i ti s detected , excep ta s provide d i n fi XX.X2-10
. (2 ) A firstattemp te trepai r shal l b e mad e n o late r tha

n 5 calenda r day s after eac h lea k i s detected
. (d ) An y agitato r equippe d wit h a closed-ven tsyste m capabl e o f capturing and transporting an y leakag e from th e sea l o r seal s t o a control devic e tha

t complie s wit

h th e requirement

s o f fi XX.X2-1 1 i s exemp tfrom th e requirements o

f paragraphs (aHc t Sectio n XXJC2-1

3 Standards : Connector

s i n Gas/Vapo r Servic e and i n Ligh tLiqui d Servic e (a ) The owne r o

r operato r of

a n affecte d proces s uni tshal l monito r al l connectors i n gas/vapo r and lightliqui d service , excep ta s provide d i n fifi XX.X2- 1 (c) , an d ( 0 throug h (h ) o f thi s section , a

tthe interval s specifie d i n paragrap h (b ) o f thi s section
. (1 ) Th e connector s shal l b e monitore d t o detec tleak s b y th e metho d specifie d i n fi XXJC5(b)
. (2 ) I f a n instrumen

treadin g greate r tha n o 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 atth e interval s specifie d below
. (1 ) Within th e first1 2 month s afte r th e specifie d applicabilit

y date s describe d in fi XX.XO(b

) fo r eac h grou

p o f existin g proces s units , th e owne r o r operato r shal l monito r al l connectors , excep ta s provide d i n paragraphs (f ) throug h (h ) o f thi s section
. (2 ) Withi n th e first1 2 month s afte r th e beginnin g o

f startu p o r withi n 1 2 month s after (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 ta s provide d i n paragraphs (f ) throug h (h ) o f thi s section
. (3) After conductin g th e initial survey require d in paragrap

h (b)(1 ) o f thi s section , th e owne r o r operato r shal l perfor m al l subsequen tmonitoring o f connector s a

tth e followin g frequencies , excep te s provide d i n paragrap h (c)(2 ) o f thi s section : (i ) Onc e pe r calenda r year , i f th e percentleakin g connector s i n th e proces s unitwa s 0.5 percento r greate r durin g th e las trequire

d monitoring period
. (ii ) Onc e every tw o calenda r years , i f the percen tleakin g connector s wa s les s tha n 0. 5 percen tdurin

g th e las trequire

d monitorin g period
. A n owne r o r operato r ma y compl y wit h thi s paragrap

h b y monitoring a

tleas t4 0 percento

f th e connector s i n th e firstyea r an d th e remainder o

f th e connector s i n th e secon d year . Th e percentleakin g connector s wil l b e calculate d for th e total o f al l monitoring performe

d durin g th e two-yea r period
. (iii ) I f th e owne r o r operato r o f

a proces s uni

ti n a biennial lea k detectio n and repai r progra

m calculate s les s tha

n 0. 5 percentleakin g connector s from th e 2-yea r monitorin

g period , th e owne r o r operato r ma

y monito r th e connector s 1 time ever y 4 years . A n owne r o r operato r ma

y comply with th e requirement

s o f thi s paragrap

h b y monitoring atleas t2 0 percen tof th e connector s eac h yea r unti l al l connector s hav e bee n monitore d withi n 4 years . (iv ) I f a proces s unitcomplyin g wit h the requirement

s o f paragrap h (b ) o f thi s sectio n usin g a 4-yea r monitoring interva l progra m ha s greate r tha

n o r equa

l t o 0 4 percentbu

tles s tha n 1 percentleakin g connectors , the owne r o r operato r shal l increas e the monitorin g frequency t

o 1 time ever

y 2 years . A n owne r o r operato r ma

y compl y wit h th e requirement

s o f thi s paragrap

h b y monitorin g a tleas t4 0 percento

f the connectors in th e firstyea r and th e remainder o f

th e connector s i n th e secon d year . The owne r o r operato r ma

y agai n elec tt

o us e the provision s o

f paragrap h (b)(3)(iii ) o

f thi s sectio n whe n the percentleakin g connector s decrease s t

o les s tiian 0.5 percen t (v) I f a proces s uni

tcomplying wit

h requirement

s o f paragrap h (b ) using a 4
- yea r monitorin

g interva l progra m ha s 1 percento r greater leakin g connectors , th e owne r o r operato r shal l increas e the monitorin g frequency t

o 1 tim e pe r year . Th e owne r o

r operato r ma

y agai n elec t t o us e the provision s o

f paragrap h (b)(3)(iii ) o

f thi s sectio n whe n the percentleakin g connectors decrease s t o les s tha n 0. 5 percen t (4 ) Afte r (Inser

tdat e o f publicatio n of propose d rule i n the Federa l Register) , i

f a n owne r o

r operato r eliminate s a connecto r subjectt

o monitorin

g unde r paragrap h (b ) o f thi s sectio n eithe r b y weldin g i tcompletel y aroun d th e circumferenc

e o f th e interfac e o

r b y physicall y removin

g th e connecto r and weldin g th e pip e together , the owne r o r operato r shal l chec

k the integrit

y o f the wel d b y monitorin

g i taccording t

o the procedure s i n { XXJC5(b

) o r b y testin g usin g X-ray , acousti c monitoring , hydrotesting , o

r othe r applicabl e method
. Weld s create d afte r (Inser tdat e of publicatio n o f

propose d rule i n th e Federa l Register ) bu tbefor e (Inser tdat e of publicatio n o

f final rule i n the Federa

l Register ) ahal l b e monitored o

r teste d b y (Insert 3 months afterdate of publication of

final rule in the Federa

l Register) ; weld s create d after (Inser t dat e of publicatio n o

f final rule i n th e Federa l Register ) shal l b e monitored o r teste d withi n 3 month s after bein g welded
. I f a n inadequat

e wel d i s foun

d o r th e connecto r i s no twelde d completel y aroun

d th e circumference , th e connecto r i s no tconsidere d a welde d connecto r a s describe d i n fi XXJd , and i s therefor

e no texemp t from th e provision s of

thi s subpar t Connectors welde d o n o r after (Inser t dat e o f publicatio n o

f propose d rul e i n th e Federa

l Register ) ca n counta s connector s removed from th e proces s and b e eligibl e fo

r remove d connecto r credits a s describe d i n paragrap h (i ) o f thi s section
. (c)(l)(i ) Excep ta s provide d i n paragrap h (cKl)(ii ) o

f thi s section , eac h connecto r tha

tha s bee n opene d o r ha s otherwis e ha d th e sea l broke n shal l b e l ^M 2

Federa l Registe r /

Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 932 5

monitore d fo r leak s withi n th e first 3 month s afte r bein g returned t o VHA P service , includin g thos e determine d t 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 tshal l b e repaire d accordin g t o th e provision s o f paragrap h (d ) o f thi s section , unles s i ti s determine d t o b e nonrepairable , i n whic h cas e i ti s counte d a s a nonrepairabl e fo r th e purpose s o f paragrap h (i)(2 ) o f

thi s section
. (ii ) A s a n alternativ e t o th e requirement s i n paragrap h (c)(l)(i ) o f thi s section , a n owne r o r operato r ma y choos e t o calculat e percen tleakin g connector s fo r th e monitorin g period s describe d i n paragrap h (b ) o f thi s section , b y settin g th e nonrepairabl e component . C N , i n th e equatio n i n paragrap h (i)(2 ) o f

thi s sectio n t o zer o fo r al l monitorin g periods
. (iii ) A n owne r o r operato r ma y switc h alternative s describe d i n paragrap h (c)(1 ) (i ) an d (ii ) o f

thi s sectio n a tth e en d o f th e curren tmonitorin g perio d h e i s in
. provide d tha th e notif y th e Administrato r a s require d i n § XX.X7(b)(7 ) an d begi n th e ne w alternativ e i n annua l monitoring
. Th e initia l monitorin g i n th e ne w alternativ e shal l b e complete d n o late r tha n 1 2 month s afte r notificatio n o f th e Administrato r o f

th e switch
. (2 ) A s a n alternativ e t o th e requirement s o f

paragrap h (b)(3 ) o f

thi s section , eac h screwe d connecto r 2 inche s o r les s installe d i n a proces s uni t befor e (Inser tdat e o f

publicatio n o f propose d rul e i n Federa l Register ) may : (i ) Compl y wit h th e requirement s o f § XX.X2-8
. an d (ii ) B e monitore d fo r leak s withi n th e firs tthre e month s afte r bein g returne d t o VHA P servic e afte r havin g bee n opene d o r otherwis e ha d th e sea l broken
. I f th e followu p monitorin g detect s a leak , i t shal l b e repaire d accordin g t o th e provision s o f

paragrap h (d ) o f

thi s section
. (d ) Whe n a lea k i s detected , i tshal l b e repaire d a s soo n a s practicable , bu tn o late r tha n 1 5 calenda r day s afte r th e lea k i s detected , excep ta s provide d i n paragrap h (g ) o f

thi s sectio n an d i n fi XX.X2-10
. A firstattemp ta trepai 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
. (e ) I f a lea k i s detected , th e connecto r shal l b e monitore d fo r leak s withi n th e firs tthre e month s afte r it s repair
. (f ) An y connecto r tha ti s designated , a s describe d i n fi XX.X6(i)(l) , a s a n unsafe-to-monito r connecto r i s exemp t fro m th e requirement s o f paragrap h (a ) o f thi s sectio n if

: (1 ) Th e owne r o r operato r determine s tha tth e connecto r i s unsaf e t o monito r becaus e personne l woul d b e expose d t o a n immediat e dange r a s a resul to f complyin g wit h paragraph s (a ) throug h (e ) o f this section ; an d (2 ) Th e owne r o r operato r ha s a writte n pla n tha trequire s monitorin g o f th e connecto r a s frequen ta s practicabl e durin g saf

e t o monito r periods
. (g ) An y connecto r tha ti s designated , a s describe d i n fi XX.X6(i)(3) , a s a n unsafe-to-repai r 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 n if

: (1 ) Th e owne r o r operato r determine s tha trepai r personne l woul d b e expose d t o a n immediat e dange r a s a consequenc e o f

complyin g wit h paragrap h (d ) o f

thi s section ; an d (2 ) Th e connecto r wil l b e repaire d befor e th e en d o f

th e nex tschedule d proces s uni tshutdown
. (h)(1 ) An y connecto r tha ti s designated , a s describe d i n fi XX.X6(i)(4 ) a s inaccessible , o r i s glas s o r glass
lined , i s exemp tfro m th e monitorin g requirement s o f

paragrap h (a ) o f

this sectio n an d fro m th e recordkeepin g an d reportin g requirement s o f fi XX.X 8 an d § XX.X7
. A n inaccessibl e connecto r i s on e tha ti s (i ) Buried , (ii ) Insulate d i n a manne r tha t prevent s acces s t o th e connecto r b y a monito r probe , (iii ) Obstructe d b y equipmen to r pipin g tha tprevent s acces s t o th e connecto r b y a monito r probe , o r (iv ) Unabl e t o b e reache d fro m a 25
- foo tportabl e scaffol d o n th e ground , an d i s greate r tha n 2 meter s abov e a suppor t surface
. (2 ) I f an y inaccessibl e o r glas s o r glass-line d connecto r i s observe d b y visual , audible , olfactory , o r othe r mean s t o b e leaking , th e lea k shal l b e repaire d a s soo n a s practicable , bu tn o late r tha n 1 5 calenda r day s afte r th e lea k i s detected , excep ta s provide d i n fi XX.X2-1 0 an d paragrap h (g ) o f thi s section
. (3 ) A firstattemp ta trepai 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
. (i ) Fo r us e i n determinin g th e monitorin g frequency , a s specifie d i n paragrap h (b ) o f

thi s section , th e percen t leakin g connector s shal l b e calculate d a s follows : (1 ) Fo r th e firstmonitorin g period , us e th e followin g equation : %C, = C L =C L /(C,+C«)xl0 0 Where : % C L =percen tleakin g connectors C L = numbe

r o f connectors measured a

t50 0 pp m o r greater, b y the method specifie d i n | XX.X5(b

) Ct=tota l numbe

r o f monitore d connector

s in th e proces s uni

t C c =Optiona l credi tfo r remove d connector

s
= 0.6 7 x ne t(i.e. , tota l removed—tcta

l added ) numbe

r o f connector

s i n VHA P servic e remove

d fro m the proces s uni

t afte r th e applicabilit

y dat e se tfort h i n 5 XX.XO(b

) fo r existin g proces s units , an d afte r th e dat e o f startu p (o r ne w proces s units
. I

f credit s ar e no ttaken, thcnC c =0
. (2 ) Fo r subsequen tmonitorin g periods , us e th e followin g equation : % C L =[(C,.-CA sW(C t -t-CC)]xlO O Where : % C L =percen tleakin

g connector

s C L =numbe r o

f connectors , includin

g nonrepairables , measure

d a t50 0 pp m o r greater , b y the metho

d specifie d i

n S XX.X5(b

) 0*^=numbe r o

f allowabl e nonrepairable connectors , a s determine

d b y monitorin

g require d i n paragraph

s (b)(3) an d (c ) o f thi s section , no

tt o excee d 2 percen

to f th e tota l connecto r population , C

i Ct= tota l numbe r o f monitore d connectors , includin g nonrepairables , i

n th e proces s unit
. C c =Optiona l credi

tfo r remove d connector

s
= 0.6 7 x ne tnumber^i.e. , tota

l removed'—tota

l added) o f connector

s i n VHA P servic e remove

d fro m th e proces s uni tafte r th e applicabilit

y dat e se tfort h i n { XX.XO(b

) fo r existin g proces s units
. an d afte r th e dat e o f startu p fo r new proces s units
. I

f credit s ar e no ttaken , thenCc=0
. § XX.X3- 1 Qualit y Improvemen t Progra m (QIP

) fo r Valves
. (a ) I n Phas e III , t o compl y wit h th e requirement s i n fi XX.X2-7(d)(l)(ii) , a n owne r o r operato r ma y elec tt o compl y wit h on e o f

th e alternativ e qualit y improvemen tprogram s specifie d i n paragraph s (d ) an d (e ) o f this section
. Th e decisio n t o us e on e o f thes e alternativ e provision s t o compl y wit h th e requirement s o f

fi XX.X2-7(d)(l)(ii ) mus tb e mad e durin g th e firs tyea r o f Phas e II I fo r existin g proces s unit « an d fo r ne w proces s units
. (b ) A n owne r o r operato r o f a proces s uni tsubjec tt o th e requirement s o f paragraph s (d ) o r (e ) o f thi s sectio n shal l compl y wit h thos e requirement s unti l th e proces s uni tha s fewe r tha n 2 percen tleakin g valves , calculate d a s a rollin g averag e o f

2 consecutiv e quarter s a s specifie d i n fi XX.X2-7(e)
. (c ) Afte r th e proces s uni tha s fewe r tha n 2 percen tleakin g valves , th e owne r o r operato r ma y elec tt o compl y wit h th e requirement s i n fi XX.X2-7 , t o continu e t o compl y wit h th e requirement s i n paragrap h (e ) (o r (d) , i f

appropriate ) 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 tfro m th e requirement s fo r performanc e trial s a s specifie d i n paragrap h (e)(6 ) o f thi s section , o r furthe r progres s a s specifie d932 6 Federa l Registe r / Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s
i n paragrap

h (d)(4 ) of thi s section , a s lon g a s th e proces s uni

tha s fewe r tha

n 2 percentleakin g valves
. I

f th e owne r o

r operato r elect s t

o compl y wit h bot h paragrap h (e ) o f thi s sectio n and fi XX.X2-7 , h e ma

y als o tak e advantag e o f th e lowe r monitorin

g frequencies associate d wit

h lowe r leak rate s i n fi XX.X2-7
. I

f the owne r o

r operato r elect s no tt

o continu e QIP

, the QI P i s n o longe r a n optio n i f th e proces s uni

tagai n exceed s 2 percen

tleakin g valves , and i n such case, monthly monitorin g wil l b e required
. (d ) Th e followin g requirement

s shal l b e me ti f a n owne r o r operato r elect s t o us e a Ql ? t

o demonstrat

e furthe r progress : (1 ) Th e owne r o r operato r shal l continu e t o compl y with th e requirement

s i n fi XX.X2- 7 excep teac h valv e shal l b e monitored quarterly
. (2 ) The owne r o

r operato r shal l collec t the followin g data , and maintai n record s a s require d in fi XX.X6(m) , fo

r eac h valv e i n eac h proces s uni tsubjectt o th e QIP : (i ) The maximu

m instrumen

treadin g observe d in eac h monitoring observatio n befor

e repair, th e respons e facto r fo r th e strea

m i f appropriate , th e instrumen tmode l number , and dat e o

f th e observation
. (ii ) Whether th e valv e i s i n ga s o r light liqui d service
. (iii ) I f a lea k i s detected , th e repai r method s use d an

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 tdat

a o n th e valve s a s lon g a s th e proces s uni

tremains i n th e QIP
. (4 ) Th e owne r o

r operato r mus t demonstrat

e progres s in reducing th e percentleakin g valve s eac h quarte r th e proces s uni

ti s subjectt o th e requirement

s o f paragrap h (d ) o f thi s section , excep ta s provide d i n paragrap h (d)(4)(u) o f thi s section
. (i ) Demonstratio n o f

progres s shal l mea n tha tfo r eac h quarte

r ther e i s a t leas ta 1 0 percentreductio n i n th e percentleakin g valve s from th e percen t leakin g valve s determine d fo r th e precedin g monitoring period
. Th e percentleakin g valve s shal l b e calculate d a s a rollin g averag e o f 2 consecutiv e quarter

s o f monitoring data
. The percen

treductio n shal l b e calculate d usin g th e rollin g averag e percen tleakin g valves , accordin g t o th e following : KLV|-(ftLV M «-XLV M )/«l.V M .xi M where : %LV 1 —Percen tleakin g valv e redactio n KLV AVO i - (*V U +%Virai)/ 2 an d %LV AV »«(%V

1J *.+*V u *«)/ 2 where : %V U , »V u .i , %V

u *t ar e percen tleakin g valve s calculate d fo r subsequen

tmonitorin g periods , 1,1+1,1+ 2 (ii ) A n owne r o

r operato r wh o fail s fo

r 2 consecutiv e rolling average s t o demonstrat

e a tleas ta 1 0 percen

t reductio n per quarte

r i n percentleakin g valve s o r tha tth e overal l averag e percentreductio n base d o n 2 o r mor e rollin g average s i s les s tha n 1 0 percent per quarte

r shal l eithe r compl

y wit h th e requirement

s i n fi XXJ£2-7(d)(l ) usin g monthl y monitoring o

r shal l compl

y usin g a QI

P fo r technology revie w a s specifie d i n paragrap

h (e ) o f thi s section
. I f th e owne r o

r operato r elect s t

o comply wit h th e requirement

s o f paragrap h (e ) o f thi s section , th e schedul e fo r performanc

e trial s an d valv e replacement

s remain s a s specifie d i n paragrap h (e ) o f thi s section
. (e ) The followin g requirement s shal l b e me ti f a n owne r o r operato r elect s t o us e a QI P o f technology revie w en d improvemen t (1 ) Th e owne r o r operato r shal l compl y wit h th e requirement

s i n fi XX.X2- 7 excep tth e requiremen tfor monthl y monitoring in paragrap

h fi XX.X2-7(d)(l)(i ) doe s no tapply
. (2 ) The owne r o

r operato r shal l collec t th e dat a specifie d below , an d maintai n record s a s require

d i n fi XX.X6(m) , for each valv e in eac h proces s unitsubjec t t o the QIP
. Th e dat a ma y b e collecte d and th e record s ma

y b e maintaine d o n a proces s uni

to r grou p o f proces s units 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 , flanged body) ; material s o f construction ; packin g material ; an d yea r installed
. (B) Servic e characteristic s o f th e strea m suc h a s operatin g pressure , temperature , lin e diameter , an d corrosivity
. (C ) Whethe r th e valv e i s i n ga s o r ligh t liqui d service
. (D ) Th e maximu

m instrumen

treading s observe d i n eac h monitoring observatio n befor

e repair, respons e facto r fo r th e strea

m i f adjusted , instrumen tmodel number

, an d dat e o f th e observation
. (E ) I f a lea k i s detected , th e repai r method s use d an d th e instrumen t reading s after repair
. (F ) I f th e dat a wil l b e analyze d a s par

t o f a larger analysi s progra

m involvin g dat a from othe r plants o r othe r type s o f proces s units , a descriptio n o f an y maintenanc e o

r qualit y assuranc e program s use d i n the proces s uni

ttha t ar e intende d t

o improv e emissio n performance
. (3 ) Th e owne r o r operato r shal l continu e t o collec tdat

a o n the valve s a s long a s th e proces s uni

tremains in the QIP
. (4) The owne r o

r operato r shal l inspec tal l valve s removed fro m the proces s uni

tdue t o leaks
. The inspectio n shal l determin

e which part

s o f th e valv e hav e faile d and shal l includ e recommendations, a s appropriate , fo r desig n change s o

r change s i n specification s t

o reduce leak potential
. (5)(i ) Th e owne r o r operato r shal l analyz e th e dat

a collecte d t

o compl y wit h th e requirements o

f paragrap h (e)(2 ) o f thi s sectio n t o determin e th e services , operatin g o r maintenanc e practices , an

d valv e design s o r technologie s tha

thav e poorer tha

n averag e emissio n performanc e and thos e tha thav e bette r tha

n averag e emissio n performance
. The analysi s shal l determin e i

f specifi c trouble area s ca n b e identifie d o

n th e basi s o

f service , operatin g condition s o

r maintenanc e practices , equipmen

tdesign , o

r other proces s specifi c factors
. (ii ) The analysi s shal l als o b e use d t o identif y an y superio r performin

g valv e technologie s tha

tar e applicabl e t

o th e service(s) , operating conditions , o r valv e design s associate d wit

h poorer tha

n averag e emissio n performance
. A superio r performin

g valv e technology i s on e fo r which a grou

p o f suc h valve s ha s a leak frequency o f

less tha n 2 percent fo r specifi c application s in suc h a proces s uni tA candidate superio r performin g valv e technology i s on e demonstrate d o

r reporte d i n th e availabl e literatur

e o r throug

h a grou p stud y a s havin g lo w emissio n performanc

e and a s bein g capabl e of achievin g les s tha

n 2 percentleakin g valve s i n th e proces s uni t (iii ) The analysi s shal l includ e consideratio n o t (A ) The dat

a obtaine d from the inspection s o

f valve s removed from th e proces s unitdu e t o leaks ; (B ) Informatio

n from th e availabl e literatur e and from th e experienc e o f othe r plan tsite s tha

twil l identif

y valv e design s o r technologie s an d operating condition s associate d wit h lo w emissio n performanc

e fo r specifi c services ; an d (C ) Informatio

n o n limitation s o n th e servic e condition s fo

r th e valv e desig n an d operating condition s a s wel l a s information o n maintenanc e procedure s t o ensur e continue d lo w emissio n perfonnance
. (iv ) The dat

a analysi s ma

y b e conducte d throug

h a n inter
- o r intracompan

y progra m (or throug

h som u combinatio n ofth e tw o approaches ) and ma y b e fo r a singl e proces s uni ta company , o

r a grou p o f proces s units
.P. M

Federa l Registe r /

Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 932 7 (v) Th e firstanalysi s o

f the dat a shal l b e completed n

o late r tha

n 1 8 months afte r th e star to f Phas e ID
. Th e first analysi s shal l b e performe d usin g a minimu m o f 2 quarter s o f data
. A n analysi s o f th e dat a shal l b e done each yea r th e proces s uni

ti s in the QIP

. (6 ) A tria l evaluatio n progra

m shall b e conducte d a

teac h plan

tsit e fo r which the dat a analysi s doe s notidentif y superio r performin

g valv e design s o

r technologie s tha

tca n b e applie d t

o th e operatin g condition s en d service s identifie d a s havin g poore r tha n average performance , excep ta s provide d i n paragrap h (e)(6)(v) o

f thi s section
. Th

e tria l progra m shal l b e use d t

o evaluate the feasibilit

y o f usin g in the proces s uni tthe valv e design s o

r technologie s tha thav e bee n identifie d b y other s a s having lo w emissio n performance
. (i) Th e tria l progra m shal l includ e on lin e trial s o

f valve s o r operating an d maintenance practice s tha thav e bee n identifie d in the availabl e literatur e o r in analysi s b y ether s a s havin g th e abilit y t o perfor m wit h leak rate s belo w 2 percen ti n similar services , a s havin g low
. probabilit

y o f failure , o r a s havin g n o externa

l actuatin g mechanism i n contactwit

h th e proces s fluid
. I

f an y o f th e candidat

e superio r performin

g valv e technologie s i s notinclude d i n the performanc

e trials , th e reason s fo

r rejecting specifi c technologie s from consideratio n shal l b e documented a s require d i n fi XX.X6(m)(6)(ii)
. (ii ) Th e numbe r o f valve s i n the tria

l evaluatio n progra

m shal l b e th e lesse r o

f 1 percento

r 2 0 valve s fo

r program s involvin g singl e proces s unit s an d the lesse r o f 1 percento

r 50 valve s fo

r program s involvin g group s o

f proces s units
. (iii ) Th e tria l evaluatio n progra

m shal l specif y and includ e documentatio n of : (A ) Th e candidat

e superio r performin

g valv e design s o

r technologie s t

o b e evaluated , the stage s fo

r evaluatin g the identifie d candidat

e valv e design s o

r technologies , includin g the estimate d tim e perio d necessar y t

o tes tth e applicability , (B ) Th e frequency o

f monitoring o r inspectio n o

f the equipment ; (C ) Th e rang e o f operating condition s ove r whic h th e componen twil l b e evaluated
. (D ) Conclusion s regarding th e emissio n performanc

e an d the appropriat

e operating condition s an d service s fo

r the tria l valves
. (iv ) Th e performanc

e trial s shal l initiall y b e conducte d for , a tleas ta 6
- mont h perio d beginning no tlate r tha n 1 8 months afte

r the star to f Phas e m . No t late r tha n 2 4 month s afte

r the star to f Phas e m , th e owne r o

r operato r shal l hav e identifie d valv e design s o r technologie s that , combine d wit

h appropriat

e process , operating , an

d maintenance practices , operat e wit h lo w emissio n performanc

e fo r specifi c application s i n the proces s uni tThe owne r o r operator shal l continu e t o conduc tperformanc

e trial s a s long a s n o superior performin

g desig n o r technology ha s bee n identified , excep t a s provided in paragrap

h (e)(6)(vi ) o

f thi s section
. Th

e compilatio n o

f candidat e an d demonstrate d superio r emissio n performanc

e valv e design s o

r technologie s shal l b e amended in the future, a s appropriate , a s additiona l informatio

n an d experienc e i s obtained
. (v) An y plan tsit e wit h fewe r tha

n 400 valve s an d owne d b y a corporation wit h fewe r tha n 10 0 tota l employee s shal l b e exemp tfro

m tria l evaluation s o

f valves
. Plan tsite s exemp tfro

m th e tria l evaluation s o

f valve s shal l begi n the valv e replacementprogra m atth e star

t o f the fourt h yea r o f Phas e U L (vi ) A n owne r o

r operato r wh o ha s conducte d performanc

e trial s o n al l candidat e superio r emissio n performanc

e technologie s suitabl e fo r th e required application s i n th e proces s uni tma y sto p conductin g performanc e trial s provided tha

ta superio r performin g desig n o

r technology ha s bee n demonstrate d o

r ther e ar e n o technicall y feasibl e candidat e superio r technologie s remaining
. The owne r o r operato r shal l prepar

e a n engineerin g evaluatio n documenting th e physical , chemical , o

r engineering basi s fo

r th e judgemen ttha tthe superio r emissio n performanc

e technology i s technicall y infeasibl e o

r demonstrating tha

ti twoul d notreduce emissions
. (7 ) Eac h owne r o r operato r wh o elect s t o us e a QI

P fo r technology revie w and improvemen

tshal l prepar

e an d implemen ta valv e qualit

y assuranc e progra m tha tdetail s purchasing specification s and maintenanc e procedure s fo

r all valve s i n th e proces s uni tTh e qualit y assuranc e progra

m ma y establis h an y numbe

r o f categories , o r classes , o

f valve s a s neede d t o distinguis h amon

g operating condition s an d service s associate d wit h poorer tha n averag e emissio n performanc e a s wel l a s thos e associate d wit h bette r tha n averag e emissio n performance
. Th e qualit y assuranc e progra

m shal l b e develope d considerin g th e findings o f the dat a analysi s require

d under paragrap h (e)(5 ) o f thi s section , i f applicable , th e findings o

f th e tria l evaluatio n required i n paragrap h (e)(6 ) o f thi s section , an d the operating condition s i n the proces s uni tThe qualit y assuranc e progra

m shal l b e reviewe d and
. a s appropriate , update d eac h yea r a s lon g a s th e proces s uni tha s 2 percento

r mor e leakin g valves
. (i) The qualit y assuranc e progra

m shall : (A ) Establis h minimu

m design standard s fo

r each categor

y o f valves
. The desig n standard s shal l specif y know n critica l parameter

s suc h a s tolerance , manufacturer

, material s o

f construction , previou s uscge , o r othe r applicabl e identifie d critica l parameters ; (B ) Requir e tha tall equipmen

torder s specif y the design standar

d (o r minimu m tolerances ) fo

r tiie valve ; (C ) Include a writte

n procedur

e fo r benc h testin g o

f valve s tha

tspecifie s performanc

e criteri a fo r acceptanc e o

f valve s an d specifie s criteri

a fo r the precisio n and accurac

y o f th e tes t apparatus . Al l valve s repaire d off-lin e afte r preparatio

n o f the qualit y assuranc e pla

n shal l b e benc

h teste d fo

r leaks
. Thi s testin g ma

y b e 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 d representative
. Th

e owne r o r operato r shal l instal l only thos e valve s tha thav e bee n documente d throug

h benc h testin g t o b e nonleaking
. (D) Requir

e tha tall valve s repaired on-lin e b e teste d usin

g the method specifie d i n fi XX.X5(b

) fo r leak s fo r 2 successiv e months , after repair
. (E ) Provide fo

r a n audi tprocedur

e fo r qualit y contro l o f purchased equipmen

t t o ensur e conformanc

e wit h purchas e specifications
. Th

e audi tprogra m ma y b e conducte d b y th

e owne r o r operator o f th e proces s uni

to r b y a designate d representative. (F ) Detai l off-lin

e valv e maintenance an d repair procedures
. Thes e procedure s shal l includ e provision s t o ensure tha

trebuilto r refurbished valve s wil l mee tth e design specification s fo r th e valv e typ e an

d wil l operat

e suc h tha temission s ar

e minimized
. (ii ) The qualit

y assuranc e progra

m shal l b e establishe d n o late r tha n the star to f th e thir d yea r o f Phas e I H for plan tsite s wit h 40 0 o r mor e valve s o r owne d b y a corporation wit h 10 0 o r mor e employees ; an d no late r tha n the star to f th e fourt h yea r o f Phas e II I fo r plantsite s wit

h les s tha n 40 0 valve s an

d owne d b y a corporation wit h les s tha n 10 0 employees
. (8 ) Beginnin g a tth e star to f th e thir d yea r o f Phas e I H fo r plan tsite s wit h 400 o r mor e valve s o r owne d b y a corporation wit

h 100 o r mor e employee s an d a tth e star to f the fourt h yea r o f Phas e I H fo r plan tsite s wit h les s tha n 40 0 valve s and owne d b y a corporation wit h les s tha n 10 0 employees , eac h valv e tha ti s replaced fo

r an y reason shal l b e replace d wit

h a ne w o r modified valv e tha

tcomplie s wit

h th e qualit y assuranc e standard s fo

r th e valv e categor

y and tha ti s Identifie

d a sP.1 5



### 932 8 Federa

l Registe r /

Vo l 56 , No
. 44 /

Wednesday , Marc

h 0 , 199 1 /

Propose d Rule s superio r emissio n performanc e technology
. Superio r emissio n performanc

e technology mean s valve s o r valv e technologie s identifie d wit h emissio n performanc

e tha tcombine d wit h appropriat

e process , operating , an d maintenanc e practices , wil l resul tin les s tha n 2 percentleakin g valve s fo r specifi c application s i n a large population , excep ta s provide d in paragrap h (e)(8)(ii ) o

f thi s section
. (i ) Th e valve s shal l b e maintaine d a s specifie d i n th e qualit

y assuranc e program. (ii ) I f a superio r emissio n performanc e technology canno tb e identified , the n valv e replacementshal l b e wit h on e o f (i f several ) th e lowes temissio n performanc

e technologie s tha

tha s bee n identifie d fo

r th e specifi c application
. Sectio n XX.X3- 2 Qualit y Improvemen

t Progra m fo r Pump s (a ) I n Phas e m , if

, o n a 6-mont

h rollin g average , the greate r of

eithe r 1 0 percent of the pumps i n a proces s uni t(or plant site ) o r 3 pump s in a proces s uni

t(o r plantsite ) leak , the owne r o r operato r shal l comply wit

h the requirements o

f thi s sectio n a s specifie d below : (1 ) Pump s tha tar e i n food/medica l servic e o r i n polymerizin g monome r servic e shal l compl y wit

h al l requirements excep tfo

r thos e specifie d i n paragrap

h (d)(8) o f thi s section
. (2 ) Pump s tha tar e no ti n food/medica l o r polymerizin g monome

r servic e shal l comply wit

h el l requirements o

f thi s section
. (b ) The owne r o

r operato r shal l comply wit

h th e requirements o

f thi s sectio n unti

l the numbe

r o f leakin g pump s i s less tha

n the greate r o

f eithe r 1 0 percento

f the pumps o

r 3 pumps , a s calculate d a s a 6-month-rollin g average , in the proces s uni

t(or plan tsite)
. Onc e th e performanc

e leve l i s achieved , th e owne r o r operato r shal l compl y wit h th e requirement

s i n ( XXJC2-2

. (c ) I f i n a subsequen tmonitoring perio d th e proces s uni

t(or plantsite ) ha s greate r tha

n 1 0 percento

f th e pump s leakin g o r 3 pump s leakin g (calculate d a s a 6-month-rollin

g average) , th e owne r o r operato r shal l resume th e qualit y improvemen

tprogra m startin g at performanc

e trials
. (d ) Th e qualit y improvemen

tprogra m shal l includ e the following : (1 ) The owne r o

r operato r shal l comply wit

h the requirement

s i n SXXJC2-2
. (2) Th e owne r o

r operato r shal l collec t th e followin g data , an d maintai n record s a s required in fi XX.X6(m) , fo r eac h pum p in eac h proces s uni

t(or plan tsite ) subjec tt o the QIP
. The dat a ma y b e collecte d and th e record s ma y b e maintaine d o n a proces s uni to r plan t sit e basis
. (1 ) Pum p typ e (e.g. , piston , horizonta l o r vertica l centrifugal , gear , bellows) ; pum p manufacturer ; sea l typ e and manufacture r pum

p desig n (e.g. , externa l shaft , flanged body) ; material s of construction ; i

f applicable , barrie

r fluid o r packing material ; and yea r installed
. (ii ) Servic e characteristic s o f th e strea m suc h a s discharg e pressure , temperature , flow rate , corrosivity , an d annua l operating hours
. (iii ) The maximu

m instrumen

t readings observe d i n eac h monitoring observatio n befor

e repair, respons e facto r for th e strea

m i f appropriate , instrumen tmode l number , an d dat e o f th e observation
. (iv ) I f a lea k i s detecte d the repair method s use d and th e instnunen t reading s afte

r repair
. (v) I f th e dat a wil l b e analyze d a s par

t o f a large r analysi s progra

m involvin g dat a from other plants o

r othe r type s of proces s units , a descriptio n o f an y maintenanc e o

r qualit y assuranc e program s use d i n th e proces s uni

ttha t ar e intende d t

o improv e emissio n performance
. (3) The owne r o

r operato r shal l continu e t o collec tdat

a o n th e pumps a s lon g a s th e proces s uni

t(or plantsite ) remains i n tiie. qualit

y improvemen

t program. (4) Th e owne r o r operato r shal l inspec tal l pumps o

r pum p seal s which exhibite d frequentsea l failure s an d wer e removed from th e proces s uni tdue t o leaks
. The inspectio n shal l determin e th e probabl e caus e o

f th e pum p sea l failur e o r o f the pum p lea k and shal l includ e recommendations, a s appropriate, , fo

r desig n change s o

r change s i n specification s t o reduc e lea k potentia l (5)(i) The owne r o r operato r shal l analyz e th e data collecte d t o compl y wit h the requirements of

paragrap h (d)(2 ) o f thi s sectio n t

o determine th e services , operatin g o

r maintenanc e practices , and pum

p o r pum p sea l design s o r technologie s tha thav e poorer tha n averag e emissio n performanc e and thos e tha thav e bette r tha

n averag e emissio n performance
. Th e analysi s shal l determine i

f specifi c troubl e area s ca n b e identifie d o n the basi s o f service , operatin g condition s o

r maintenanc e practices , equipmen

tdesign , o r othe r proces s specifi c factors
. (ii ) Th e analysi s shal l als o b e use d t o determin e i

f ther e ar e superio r performin g pum p o r pum p sea l technologie s tha

tar e applicabl e t

o th e service(s) , operatin g conditions , o r pum p o r pum p sea l design s associate d wit h poorer tha

n averag e emissio n performance
. A superio r performin g pum p o r pum p sea l technology i s on e wit h s leak frequenc

y o f les s tha n 1 0 percen tfo r specifi c application s i

n the proces s uni

to r plan tsite
. A candidat

e superio r performin

g pum p o r pum p sea l technology i s on e demonstrate d o r reported in th e availabl e literatur e o ' throug h a grou p study a s havin g le w emissio n performanc

e and a s bein g capabl e o f achievin g les s tha

n 1 0 percentleakin g pumps i

n th e proces s uni t(o r plan tsite)
. (iii ) The analysi s shal l includ e consideratio n of

: (A ) The dat

a obtaine d from the inspection s o

f pumps an

d pum p seal s remove d fro

m th e proces s uni

tdue t o leaks ; (B ) Informatio

n fro m th e availabl e literatur e and from the experienc e o f othe r plan

tsite s tha twil l identif

y pum p design s o r technologie s an

d operating condition s associate d wit h lo w emissio n performanc

e fo r specifi c services ; and (C ) Informatio

n o n limitation s o

n the servic e condition s fo

r the pum p sea l technology operating condition s a s wel l a s informatio

n o n maintenanc e procedure s t

o ensur e continue d lo w emissio n performance
. (iv ) Th e dat a analysi s ma

y b e conducte d throug

h a n interio r intracompan

y progra m (o r throug h som e combinatio n o

f the tw o approaches ) an

d ma y b e fo r a singl e proces s uni ta plan t site , a company , o

r a grou p o f proces s units
. (v ) Th e firstanalysi s o

f the dat a shal l b e complete d n o late r tha n 1 8 month s after the star

to f the qualit y improvemen

tprogram. Th e firstanalysi s shal l b e performe

d usin g a minimu

m o f 6 month s o f data
. A n analysi s o

f the dat a shal l b e don e eac h yea r the proces s uni t i s in th e qualit

y improvemen

tprogram. (6 ) A tria l evaluatio n progra

m shal l b e conducte d a

teac h plantsit e fo

r whic h th e dat a analysi s doe s notidentif y us e of superio r performin

g pum p sea l technology o

r pumps tha

tca n b e applie d t o th e area s identifie d a s havin g poore r tha n averag e performance , excep ta s provide d i n paragrap

h (d)(6)(v) o

f thi s section
. The tria

l progra m shal l b e use d t o evaluate the feasibilit

y o f usin g in the proces s uni

t(o r plan tsite ) th e pum p design s o r sea l technologies , and operatin g and maintenanc e practice s tha thav e bee n identifie d b y others a s havin g lo w emissio n performance
. (i ) Th e tria l progra m shal l includ e on lin e trial s o

f pum p sea l technologie s o

r pum p design s an d operatin g and maintenanc e practice s tha thav e bee n identifie d in th e availabl e literatur e o r in analysi s b y others a s havin g th e abilit y t o perfor m wit h lea k rate s belo w 1 0 

## WP.1 6

Federa l Registe r /

Vol
. 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 032 9

percen ti n simila r services , a s havin g lo w probabilit

y o f failure , o r a s havin g no externa

l actuating mechanism in contac twit

h the proces s fluid. I

f an y o f th e candidat

e superio r performin

g pum p sea l technologie s o

r pump s i s no t include d in th

e performanc

e trials , th e reason s fo r rejecting specifi c technologie s from consideratio n shal l b e documented a s required i n fi XX.XS(m)(6)(ii)
. (ii ) Th e numbe r o f pum p sea l technologie s o

r pump s i n the tria

l evaluatio n progra

m shal l b e the lesse r o

f 1 percen to r 2 pump s fo r program s involvin g singl e proces s unit s an d th e lesse r o f 1 percen to r 5 pump s fo r program s involvin g a plan tsit e o

r group 3 o f proces s units
. Th

e minimu m numbe r o f pump s o r pum p sea l technologie s in a tria

l progra m shal l b e 1
. (iii ) Th e tria l evaluatio n progra

m shal l specif y an d includ e documentatio n of : (A ) Th e candidat

e superio r performin

g pum p sea l design s o

r technologie s t

o b e evaluated , th e stage s fo

r evaluatin g th e identifie d candidat

e pum p design s o

r pum p sea l technologies , includin g th e tim e perio d necessar y t

o tes tth e applicability ; (B ) Th e frequenc

y o f monitorin

g o r inspectio n o

f th e equipmen t (C ) Th e rang e o f operatin g condition s ove r whic h the componen

twil l b e evaluated
. (D ) Conclusion s regardin

g th e emissio n performanc

e an d th e appropriat

e operatin g condition s and service s fo

r th e tria l pum p sea l technologie s o

r pumps . (iv ) Th e performanc

e trial s shal l initiall y b e conducted , a

tleas tfo r a 6
- mcnt h perio d beginning no tlate r tha n 1 8 month s after th e star

to f th e qualit

y improvemen

tprogram . N o late r tha

n 2 4 month s after th e star

to f th e qualit

y improvemen

tprogram , th e owne r o

r operato r shal l hav e identifie d pum p sea l technologie s o

r pum p design s tha t combine d wit

h appropriat

e process , operating , an d maintenanc e practices , operat e wit h lo w emissio n performanc e for specifi c application s i n th e proces s unit
. The owne r o

r operato r shal l continu e t o conductperformanc

e trial s a s long a s n

o superio r performin

g desig n o r technology ha s bee n identified , excep ta s provide d i n paragrap h (d)(6)(vi ) o

f thi s section
. The initial lis t of superio r emissio n performanc e pum p design s o r pum p sea l technologie s shal l b e amende d i n th e future , a s appropriate , a s additiona

l informatio

n an d experienc e i s obtained
. (v) An y plan tsit e wit h fewe r tha

n 400 valve s and owne d b y a corporatio n wit h fewe r tha n 10 0 employee s shal l b e exemp tfrom tria

l evaluation s o

f pum p seal s o

r pum p designs
. Plan

tsite s exemp tfrom th e tria

l evaluation s of pump s shal l begi n th e pum

p sea l o r pum p replacementprogra

m a tthe star t o f the fourt h yea r o f the qualit y improvemen

tprogram. (vi ) A n owne r o r operato r wh o ha s conducte d performanc

e trial s o n all alternativ e superio r emissio n performanc

e technologie s suitabl e fo r th e require

d application s i n th e proces s uni tma y sto p conducting performanc e trial s provide d tha

ta superio r performin g design o

r technology ha s bee n demonstrate d o

r ther 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 a n engineerin g evaluatio n documenting the physical , chemical , o

r engineerin g basi s fo

r th e judgemen ttha tth e superio r emissio n performanc

e technology i s technicall y infeasibl e o

r demonstrating tha

ti twoul d no treduce emissions
. (7) Eac h owne r o r operato r shal l prepar e and implemen

ta pum p qualit y assuranc e progra

m tha tdetail s purchasing specification s an d maintenanc e procedure s for al l pump s an d pum p seal s in tiie proces s uni tThe qualit y assuranc e progra

m ma y establis h an

y numbe r o f categories , o

r classes , of

pumps a s neede d t

o distinguis h amon

g operating condition s an d service s associate d wit h poorer tha n averag e emissio n performanc e a s wel l a s thos e associate d wit h bette r tha n averag e emissio n performance
. Th e qualit y assuranc e progra

m shal l b e develope d considerin g th e findings of the dat a analysi s require

d unde r paragrap h (d)(5 ) o f thi s section , i

f applicable , th e findings o

f th e tria l evaluatio n required in paragrap h (d)(6 ) o f thi s section , an d th e operatin g condition s i n the proces s uni tThe qualit y assuranc e progra

m shal l b e update d eac h yea r a s long a s th e proces s uni

tha s th e greate r o

f eithe r 1 0 percento r mor e leakin g pump s o

r ha s 3 leakin g pumps . (i ) Th e qualit

y assuranc e progra

m shall : (A ) Establis h minimu

m desig n standard s fo

r eac h categor

y o f pumps o r pum p sea l technology
. The desig n standard s shal l specif

y know n critica

l parameter

s such a s tolerance , manufacturer

, material s o

f construction , previou s usage , o

r othe r applicabl e identifie d critica

l parameters ; (B ) Requir e tha tal l equipmen

torder s specif y th e desig n standar

d (or minimu

m tolerances ) fo

r tiie pum p o r th e pum p sea l (C ) Provide fo

r a n audi tprocedur

e fo r qualit y control of

purchase d equipmen

t t o ensur e conformanc

e wit h purchas e specifications
. Th

e audi tprogra m ma y b e conducte d b y the owne r o r operator o f th e plan tsit e o r proces s uni

to r b y a designate d representative
. (D ) Detai l cff-line pum

p maintenance an d repai r procedures
. Thes e procedures shall includ e provision s t o ensur e tha trebuil to r refurbishe

d pump s an d pum p seal s wil l mee

tth e design specification s fo

r the pum p categor y an d wil l operat

e suc h tha temission s ar

e minimized
. (ii ) Th e qualit y assuranc e progra

m shal l b e establishe d n

o later tha n th e star to f th e thir d year o f th e qualit y improvemen

tprogra m fc r plan tsite s wit h 40 0 o r mor e valve s o r 10 0 o r mor e employees ; an

d no later tha

n th e star to f the fourt h yea r o f th e qualit y improvemen

tprogra m fo r plan tsite s wit h less tha n 400 valve s an

d less tha n 10 0 employees
. (8 ) Beginnin g a tth e star to f th e thir d yea r o f th e qualit y improvemen

t progra m fo r plan tsite s wit h 40 0 o r mor e valve s o r 10 0 o r mor e employee s an

d a t th e star to f the fourt h year o f th e qualit y improvemen

tprogra m fo r plan tsite s wit h les s tha n 40 0 valve s an

d les s tha n 10 0 employees , the owne r o

r operator shal l replace, a s describe d in paragraph

s (i) an d (ii ) o f thi s paragraph, th e pumps o

r pum p seal s tha

tar e not superio r emissio n performanc e technology wit

h pumps o r pum

p seal s tha thav e bee n identifie d a s superior emissio n performanc

e technolog

y an d tha tcompl y wit h the qualit

y assuranc e standard s fo

r the pum p category . Superior emissio n performanc e technology i s tha

tcategor y o r design o f pumps o r pum p seal s wit

h emissio n performanc

e which , whe n combined wit h appropriat

e process , operating , an d maintenanc e practices , wil l resul ti n les s tha n 1 0 percen

tleakin g pump

s tor specifi c application s i n th e proces s uni t o r plan tsite
. Superior emissio n performanc

e technology include s materia l o r desig n change s t

o the existin g pump , pum

p seal , sea l suppor

t system , installatio n o

f multipl e mechanica

l seal s o r equivalent , o

r pum p replacement
. (i ) Pump s o r pum p seal s shal l b e replace d atth e rat

e o f 2 0 percentpe r yea r base d o

n the tota l numbe r o f pump s i n ligh tliqui d service
. The calculate d valu e shal l b e rounde d t o th e neares tnonzero intege r value
. The minimu m numbe r o f pump s o r pum p seal s shal l b e one . Pum

p replacement shal l continu e unti

l all pumps subjectt

o the requirement

s o f fi XX.X2- 2 ar

e pump s determined t

o b e superio r performanc

e technology
. (ii ) Th e owne r o

r operato r ma

y dela y replacemento

f pum p seal s o r pumps wit h superio r technology unti l th e nex t833 0 Federa l Registe r / Vo l 56 , no . 4 4 /

Wednesday
. Marc h 6 , u>v± / ..opose d Rule s P.1 7

planne d proces s uni

tshutdown , provide d the numbe

r o f pum p seal s and pumps replace d i s equivalen tt o the 2 0 percento r greate r annua

l replacement rate . (iii ) Th e pump

s shal l b e maintaine d a s specifie d i n the qualit

y assuranc e program . Sectio n XX.X4- 1 Alternativ e Mean s o f Emissio n Limitation : Genera l (a ) Permissio n t

o us e a n alternativ e mean s o f emissio n limitatio n unde

r sectio n 112(e)(3 ) o

f the Clea n Ai r Ac t shal l b e governe d b y the followin g procedures : (b ) Wher e th e standar

d i s a n equipmen tdesign , o

r operationa

l requirement : (1 ) Eac h owne r o r operato r applying fo r permissio n shal l b e responsible fo r collectin g an

d verifying emissio n performanc

e tes tdat a fo r a n alternativ e mean s o f emissio n limitation
. (2 ) The Administrato r wil l compar e tes tdat a fo r the mean s o

f emissio n limitatio n t

o tes tdat a fo r the equipmen t design , an d operationa

l requirements. (3 ) The Administrato r ma y conditio n the permissio n o n requirements tha t me y b e necessar y t

o assur e operatio n an d maintenanc e t o achiev e th e sam e emissio n reduction a s the equipment , design , an

d operationa

l requirements. (c) Wher e di e standar

d i s a wor k practice : (1 ) Eac h owne r o r operato r applyin g fo r permissio n shal l b e responsibl e fo r collectin g and verifying tes tdat a fo r a n alternativ e mean s o

f emissio n limitation
. (2 ) Fo r eac h sourc e fo

r which permissio n i s requested, th e emissio n reductio n achieve d b y the required wor k practice s shal l b e demonstrate d fo r a minimu m perio d o

f 1 2 months
. (3 ) Fo r eac h sourc e fo

r which permissio n i s requested , th e emissio n reductio n achieve d b y th e alternativ e mean s o f emissio n limitatio n shal l b e demonstrated
. (4 ) Eac h owne r o r operato r applyin g fo r permissio n shal l commi ti n writing , fo r eac h sourc 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

n th e emissio n reductions achieve d b y th e required wor k practices
. (5 ) Th e Administrato r wil l compar e th e demonstrate d emissio n reductio n fo r th e alternativ e mean s o

f emissio n limitatio n t

o th e demonstrate d emissio n reductio n fo

r th e required wor

k practice s and wil l conside r th e commitmen

ti n paragrap

h (c)(4 ) o f thi s section
. (6 ) The Administrato r ma

y conditio n th e permissio n o n requirement s tha t ma

y b e necessar y t

o assur e operatio n an d maintenanc e t

o achiev e the sam e o

r greate r emissio n reduction a s the require d wor k practice s o

f thi s subpart

. (d ) A n owne r o

r operato r ma

y one r a uniqu e approac h t o demonstrat

e the alternativ e mean s o

f emissio n limitation
. (e)(1 ) Manufacturer

s of equipmen

t use d t o contro l equipmen

tleak s o f a VHA P ma y appl y t o th e Administrato r fo r permissio n fo

r a n alternativ e mean s o f emissio n limitatio n tha

tachieve s a reduction in emission s o f the VHA P achieve d b y the equipmen tdesign , and operationa

l requirement

s o f thi s subpar t (2 ) Th e Administrato r wil l gran t permissio n according t

o th e provision s o f paragraph

s (b) , (c)
. and (d

) o f thi s section
. Sectio n XX.X4- 2 Alternativ e Mean s o f Emissio n Limitation : Batc h Processe s (a ) A s a n alternativ e t

o complying wit h the requirements o

f fi fi XX.X2- 2 throug h XX.X2-10 , XX.X2-12 , XX.X2-13 , XX.X3-1 , an d fi XX.X3-2 , a n owne r o r operato r o

f a batc h proces s tha

t operate s in VHA

P servic e durin

g the calenda r yea r ma

y comply wit

h on e o f th e standard s specifie d i n paragraphs (b ) and (c) o

f thi s section , o

r the owne r o r operato r ma

y petitio n fo

r approva l o f a n alternativ e standar

d unde r th e provision s o

f fi XX.X4-1
. Th e alternativ e standard s o

f thi s sectio n provid e the option s o f pressur e testin g o

r monitorin

g the equipmen

tfo r leaks
. (b ) Th e followin g requirement

s shal l b e me ti f a n owne r o

r operato r elect s t

o us e pressur

e testin g o

f batc h product
proces s equipmen

tt o demonstrat

e complianc e wit

h thi s subpart

. A n owne r o r operato r wh o complie s wit h th e provision s o

f thi s paragrap

h i s exemp t from th e monitorin

g provision s o

f fi XXJC2-2

. fi XX.X2-7 , fi XX.X2-8 , XX.X2-10 , fi XX.X2-12
. fi XX.X2-13
. fi XX.X3-1 , and fi XX.X3- 2 o f thi s subpar t (1 ) Eac h tim e equipmen

ti s reconfigure

d fo r productio n o

f a produc t o r intermediate , th e batc

h product
proces s equipmen

ttrain shal l b e pressure-teste d fo

r leak s before VHA

P i s firstfed t

o th e equipmen

tand th e equipmen ti s place d in VHA

P service
. When th e sea l i s broke

n betwee n tw o item s o f equipmen

to r whe n equipmen

t i s change d in a sectio n o

f the batc h product-proces s equipmen ttrain , pressure testin g i s require d onl y fo r th e ne w o r disturbe d equipmen tEac h batch produc tproces s tha

toperate s in VHA

P servic e durin

g a calenda r yea r shal l b e pressur e teste d a tleas tonc e durin

g tha t calenda r year .

- (2) The batc

h produc tproces s equipmen tshal l b e teste d wit

h a ga s usin g the procedure s specifie d in

fi XX.X5(f

) o r wit h a liqui d using the procedures specifie d i n fi XX.X5(g)
. (3)(i) Fo r pressur e test s using a gas , a leak i s detecte d i

f the rat e o f chang e i n pressur e i s greate r tha

n 1 psi g i n 1 hou r o r i f ther e i s visible , audible , o

r olfactor y evidenc e o

f fluid loss
. (ii ) Fo r pressur e test s usin g a liquid , a leak i s detecte d i

f ther e ar e indication s o f liquid s drippin

g o r i f ther e i s other evidenc e o

f flui d loss
. (4}(i ) I f a lea k i s detected , i

tshal l b e repaired and th

e batc h product-proces s equipmen tshal l b e retested befor

e VHA P i s fed t o the equipmen t (ii ) I f a batch product-proces s fail s the retesto r th e secon d o

f tw o consecutiv e pressur e tests , i tshal l b e repaire

d a s soo n a s practicable , bu

tno tlate r tha

n 3 0 calenda r day s afte

r th e equipmen

ti s place d in VHA

P service , provided the condition s specifie d i n paragrap h (d ) o f thi s sectio n ar

e me t (c) The followin g requirement s shal l b e me ti f a n owne r o r operato r elect s t

o monito r th e equipmen

tt o detec tleek s b y the metho d specifie d i n fi XX.X5(b ) t o demonstrat

e complianc e wit

h thi s subpar t (1 ) The owne r o

r operato r shal l compl y wit h the requirement

s o f fi fi XX.X2- 2 t

o XX.X2-8
. fi fi XXJC2-1 1 t o XXJC2-13
. XX.X3- 1 and fi XXJC3-2
. (2 ) The equipmen

tshal l b e monitore

d fo r leak s b y th e method specifie d i n fi XXJC5(b

) whe n th e equipmen

ti s in VHA P service , in us e wit

h a n acceptabl e surrogat

e volatil e organi c . compoun d which i s nota VHA

P o r i s in us e wit h an y othe r detectabl e ga s o r vapor . (3) The equipmen

tshal l b e monitore

d fo r leak s a s specifie d below : (i ) Eac h tim e th e equipmen

ti s reconfigured fo

r the production o

f a produc tth e reconfigure

d equipmen

t shal l b e monitored fo

r leak s withi n 3

0 day s o f bein g returned t

o VHA P service
. Thi s initial monitorin

g o f reconfigured equipmen tshal l notb e include d in determining percen

tleakin g equipmen t (ii ) Connector

s shal l b e monitore

d in accordanc e with the requirements in 5XXJC2-13
. (iii ) Equipmen

tothe r tha

n connectors shal l b e monitore

d a tthe frequencies specifie d i n the tabl e belo w b y the proportio n of the yea r the batc

h product
proces s equipmen

ttrai n i s operating wit h processe s tha

tus e VHA

P and th e monitorin g frequency fo

r continuou s processes . .•••. 'P.1 8

Federa l Registe r /

Vol
. 56
. No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 933 1

Batc h proces s tim e mus e

Ot o <25 % 25to<S0 % M t o <75 %
7 5 t o 100 % Equivalen t continuou s proces s monitorin g frequenc

y
Monthl y
Quarterly.

. Quarterly.

. Bttnonth - • ty
. • Monthly — Quarterl y
Annually..

. Semian nually

. Thre e Umes

. Quarterly.

. Semian nuall y Annually

. Annually

. Semian nuall y Seniwi ruaTiy

.

• (iv ) Valve s ma

y be monitore

d once pe r yea r an d pump s and agitator

s ma y b e monitore

d onc e pe r quarte

r i f th e time each individua

l item o f equipmen

t i s i n VHA P servic e i s les s tha

n 219 0 hour s i n a calenda r year . (v) Th e monitorin

g frequencies specifie d in paragraph (c)(3)(iii ) o f thi s sectio n ar e no trequirement

s fo r monitorin g a tspecifi c interval s and ca n b e adjusted t

o accommodat

e proces s operations
. A n owne r o r operator ma y monito r anytime durin

g th e specifie d monitorin g perio d (e.g. , month , quarter , year) , provide d the monitorin g is * conducte d ata reasonabl e interve ! afte r completio n o

f th e las tmonitorin

g campaign
. Fo

r example , i

f the equipmen

t i s notoperatin

g durin g th e schedule d monitorin g period , the monitoring ca n b e done durin

g the nex tperiod whe n the proces s i s operating
. (4 ) I f a lea k i s detected , i tshal l b e repaired a s soo n a s practicabl e bu tnot late r tha n 1 5 calenda r day s afte

r i ti s detected , excep ta s provided in paragrap h (d ) of thi s section
. (d ) Dela y o f repai r o f equipmen

tfo r which leak s hav e bee n detecte d i s allowe d i f the replacemen

tequipmen

ti s no tavailabl e providin g th e followin g condition s ar

e met. (1 ) Equipmen

tsupplie s hav e bee n deplete d an

d supplie s ha

d bee n sufficientl y stocke d befor e th e supplie s wer e depleted
. (2 ) The repai r i s mad e n o late r tha n 1 0 calenda r day s afte

r deliver y o f th e replacementequipment
. Sectio n XX.X4- 3 Alternativ e Mean s o f Emissio n Limitation : Enclosed-Vente d Proces s Unit

s Proces s unit

s enclose d in such a manne r tha tall emission s from equipmen tleak s ar e vente d throug

h a closed-ven tsyste m t

o a contro l devic e meetin g th e requirement

s o f fi XX.X2-1 1 ar e exemp tfrom th

e monitorin

g requirements o

f fifi XX.X2-2 , XX.X2-7 , XX.X2-8 , XX.X2-12
. and XXJC2-13
. The enclosur e shal l b e maintaine d unde r a negativ e pressur

e a tall times whil e the proces s uni

ti s in operatio n t

o ensur e tha tall emission s ar

e routed t o a contro l device
. Sectio n XX.X 5 Tes tMethod s an

d Procedures (a ) Eac h owne r o r operator subjectt

o the provision s o

f thi s subpar

tshal l compl y wit h th e tes tmethod s an

d procedures requirement

s provided in thi s section
. (b) Monitoring, a s require

d i n SXX.X2 , fi XX.X3
. an

d 5 XX.JM.std i compl y wit h the folki'Kin

g reqainanents : (1 ) Mcnilojcag ihuR compl y *vil X Referenc e Metho d 27.

, 4 0 CTK per t60
. (Zl Th e detectio n instrumentshal l mee tth e performanc

e criteria o

f Reference Metho d 21,4 0 CF R par t60
. (3 ) The instrumen

tshal l b e calibrate d befor e us e o n eac h da

y o f it s us e b y th e procedure s specifie d in Referenc e Method 21
. (4 ) Calibration gase s shal l be : (i ) Zer o air (les s tha

n 0.2 pp m o f hydrocarbon in air) ; an

d (ii)(A ) Fo r Phas e I , a . mixtur e o f methan e i n air a

ta concentratio n o

f approximately , bu

tles s than
. 10,00

0 ppm. (B) Fo r Phas e D , a mixtur e o f methan e an d ai r a ta concentratio n o

f approximately , bu

tles s than , 10,00

0 pp m fo r agitators , 5,00

0 pp m fo r pumps , an d 50 0 pp m fo r al l ethe r equipment

, excep t a s provide d in subparagrap h (b](4)(iii ) o f thi s section
. (C ) Fo r Phas e III

, a mixtur e o f methan e an d ai r a ta concentratio n o

f approximately , bu

tles s than , 10,00

0 pp m methane fo

r agitators , 2,00

0 pp m fo r pumps in food/medica l service , 5,00 0 pp m for pump

s in polymerizing monomer service , 1,00

0 pp m fo r al l othe r pumps , and 5C

0 pp m fo r al l other equipment

, excep ta s provide d i n subparagrap

h (b)(4)(iii ) o

f thi s section
. (iii ) Th e instrumen

tma y b e calibrate d a ta higher methane concentratio n u p t o 2,00 0 pp m tha n th e lea k definitio n concentratio n fo

r a specifi c piec e o

f equipmen tfo r monitorin

g tha tpiec e o f equipment
. The instrumen tma y notb e calibrate d a

ta lowe r methane concentratio n tha

n th e leak definitio n concentratio n fo

r a specifi c piec e o

f equipmen t (5 ) Th e instrumen

tprob e shal l b e traverse d aroun

d al l potential lea k interface s a s clos e t

o th e interface a s possibl e a s describe d i n Reference Metho d 21,4 0 CF

R par t60
. (6) The instrumen

trespons e factor s shal l b e considere d i n th e followin g manne r (i ) The respons e factor

s use d shal l b e th e instrumen

trespons e facto r determined fo

r the individua

l VHA P a t 50 0 ppm . Th e response factor

s ma y b e obtaine d from th e availabl e literature , th e instrumen

tmanufacturer

, o r determined fo r th e specifi c Instrumen

t an d VHAP
. (ii ) Chemica

l compositio n o

f Individua l proces s stream s ma

y b e determined b y sampling , engineciin ? calculations , o

r proces s knowledge
. A separat e determinatio n fo

r eac h stren

m i s notnecessar y i

f al l o r portions o

f tS c proces s crti

tca n b e show n t

o exhibi t tirnlla r composition
. Th

e basi s fo r al l proces s strea

m compositio n d^'TOfaatior.! , %Via

U b e documented 8

9 require d i n J XXJC6(b)(U)
. (iii ) I f th e respons e factor

s a t50 0 pp m fo r th e VHAP s tha

taccoun tfo r 9 0 percento r mor e b y weigh to

f th e proces s strea m ar e all less tha

n 3 , th e instrumen

t reading s ma

y b e use d withou

t adjustmen

tfo r respons e factors
. (iv ) I f an y o f th e respons e factor

s a t 50 0 pp m fo r the VHAP' s tha

taccoun tfo r 0 0 percento

r mor e b y weigh to

f th e proces s strea

m i s 3 o r greater, the

n a weighte d average response facto r fo r the VHA P in the proces s strea

m shal l b e calculate d using th e procedure s specifie d i n paragrap

h (b)(6)(v ) o f this section
. I f the proces s strea

m weighte d averag e respons e facto r i s les s tha n 3 , th e instrumen

treading s ma

y b e use d withoutadjustmen

tfo r respons e factors
. I f the proces s strea

m weighte d average response facto r i s greater tha n 3 , th e instrumen treadings shal l be adjusted fo r respons e factor

s a s indicate d below : (A ) Adjustth

e instrumen

treading s b y multiplying b y th

e respons e factor, (B ) Selec tanothe r instrument , determin e o r obtai n instrumen

trespons e factor s fo r the VHA

P i n question , an

d evaluate th

e nee d fo r adjustmen

ts s specifie d i

n paragraph

s (b)(6)(iii ) an

d (b)(6)(iv) o

f thi s section , o

r (C ) Calibrat e the instrumen

twit h a differen treferenc e compoun

d o r mixtur e (i.e. , on e o f th e VHAP , a VO C othe

r tha n methane , o

r th e proces s strea

m mixture) 6 0 tha tth e instrumen

tha s a respons e facto r fo r 9 0 percen

to f th e VHA P o r fo r th e proces s strea

m less tha

n 3
. (v ) Th e proces s strea

m averag e respons e facto r shal l b e calculate d a s follows :

RF. — I l»C. ) (RF

d i - l I(%C J i - l

Where: RF, „ m Weighte

d averag e respons e factor
. %C t—Mola r fraction , o r volum e percen ti f i n gaseou s form , o f organi c compoun d i i n th e proces s stream .P.1 9

833 2 

### odera

l Reg ; /

Vo l 56 , No
. 4

4 / Wednesday , Marc

h 8
. 199 1 /

Propose d Rule s

i o r RFc t—Respons e facto r o

i ;', e instrt organic compoun

d i et50 0 ppm . (c ) Whe n equipmen ti s teste d f complianc e a s require d i n fi XX. > )
. ? XX.X2-4 , an d fi XX.X2-ll(f)
. th e ic» t shal l compl y wil h th e followin g requiremants : (! ) Th e requirement s o f paragraph s (b)(1 ) throug h (4 ) o f

this sectio n shel l apply
. (2 ) Th e backgroun d leve l shal l b e determined , a s se tfort

h i n Referenc e Metho d 21
. 4 0 CF

R par t60
. (3 ) Th e instrumen tprob e shui
. b e traverse d aroun d al l potentia l lea k interface s n s clos e t o th e interfac e a i possibl e a s describe d i n Referenc e Metho d 21.4 0 CF

R par t60
. (4 ) Th e arithmeti c differenc e betwee n th e maximu m concentratio n indicate d b y th e instrumen tan d th e backgroun d leve l i s compare d wit h 50 0 pp m fo r determinin g compliance
. (d)(1 ) Eac h piec e o f

equipmen twithi n a proces s uni ttha tca n reasonably b e expecte d t o contai n equipmen ti n VHA P servic e i s presume d t o b e i n VHA P

_ servic e unles s a n owne r o r operato r * demonstrate s tha tth e piec e o f equipmen ti s no ti n VHA P service
. Fo r a piec e o f equipmen tt o b e considere d no t i n VHA P service , i tmus tb e determine d tha tth e percen tVHA P conten tca n b e reasonabl y expecte d no tt o excee d 5 percen tb y weigh tdurin g th e calenda r yc.rj. Fo r purpose s o f

determinin g th e percen tVHA P conten to f th e proces s flui d tha ti s containe d i n o r contact s equipment , Metho d 1 8 shal l b e used
. (2)(i ) A n owne r o r operato r ma y us e goo d engineerin g judgmen trathe r tha n th e procedure s i n paragrap h (d)(1 ) o f thi s sectio n t o determin e tha tth e percen tVHA P conten tdoe s no texcee d 5 percen tb y weight
. Whe n a n owne r o r operato r an d th e Administrato r d o no t agre e o n whethe r a piec e o f equipmen t i s no ti n VHA P service , however , th e procedure s i n paragrap h (d)(1 ) o f thi s sectio n shel l b e use d t o resolv e th e disagreemen t (ii ) Conversely , th e owne r o r operato r ma y determin e tha tth e VHA P conten t o f th e proces s flui d dc* s ne texcee d 5 percen tb y weigh tby , fo r example , accountin g fo r 9 8 percen to f th e conten t an d showin g tha tVHA P i s les s tha n 3 percen t (3 ) I f a n owne r o r operato r determine s tha ta piec e o f

equipmen ti s i n VHA P service , th e determinatio n ca n b e revise d afte r followin g th e procedure s i n paragrap h (d)(1 ) o f

thi s section , o r b y documentin g tha ta chang e i n th e proces s o r ra w material s n o longe r cause s th e equipmen tt o b e i n VHA P service
. (4 ) Sample s use d i n determinin g th e percen tVHA P conten tshal l b e representativ e o f th e proces s fluid tha t i s containe d i n o r contact s th e equipment
. (e ) Referenc e method s use d i n determinin g complianc e wit h fiares ar e thos e required i n fi 60.18
. (f ) Th e followin g procedure s shal l b e use d I J pressur e tes tbatc h product
proces s equipmen tusin g a ga s (e.g. , ai r o r nitrogen ) t o demonstrat e complianc e wit h th e requirement s o f fi XX.X4
- 2(b)(3)(i)
. (1 ) Th e batc h product-proces s equipmen ttrai n shal l b e pressurize d wit h a ga s t o th e operatin g pressur e o f th e equipment
. Th e equipmen tshal l no t b e teste d a ta pressur e greate r tha n th e pressur e settin g o f

th e lowes trelie f valv e setting
. (2 ) Onc e th e tes tpressur e i s obtained , th e gs s sourc e shal l b e shu toff
. (3 ) Th e tes tshal l continu e fo r no tles s tha n 1 5 minute s unles s i tca n b e determine d i n a shorte r perio d o f time tha tth e allowabl e rat e o f pressur e dro p wa s exceeded
. Th e pressur e i n th e batc h product-proces s equipmen tshel l b e measure d afte r th e ga s sourc e i s shu tof f an d a tth e en d o f

th e tes tperiod
. Th e rata o f chang e i n pressur e i n th e batc h product-proces s equipmen tshal l b e calculate d usin g th e followin g equation :

P (P.-P. ) t («r-t j

where :

A —chang

e i n pressure , psig/h r «
P i a final pressure , psi g P , = • Initia l pressure , psi g
• V — t , —elapse d time , hour

s (4 ) Th e pressur e shal l b e measure d usin g a pressur e measuremen tdevic e (gauge , manometer , o r equivalent ) whic h ha s a precisio n o f

±2. 5 m m H g i n th e rang e o f tes tpressur e an d i s capabl e o f measurin g pressure s u p t o th e relie f se t pressur e o f

th e pressur e relief

device
. (g ) Th e followin g procedure s shal l b e use d t o pressure-tes tbatc h product
proces s equipmen tusin g a liqui d t o demonstrat e complianc e wit h th e requirement s o f

fi XX.X4-2(b)(3)(ii)
. (1 ) Th e batc h product-proces s equipmen ttrain , o r sectio n o f th e train , 6hel l b e filled wit h th e tes tliqui d (e.g. , water , alcohol)
. Onc e th e equipmen ti s filled, th e liqui d sourc e shal l b e shu toff
. (2 ) Th e tes tshal l b e conducte d fo r a perio d o f a tleas t6 0 minutes , unles s i t ca n b e determine d i n a shorte r perio d o f tim e tha tth e tes ti s a failure
. (3 ) Eac h sea l i n th e equipmen tbein g teste d shal l b e inspecte d fo r indication s o f liqui d drippin g o r othe r indication s o f fluid loss
. I

f ther e ar e an y indication s o f liquid s drippin g o r o f

fluid loss , a lea k i f detected
. Sectio n XX.X 6 Recordkeepin g Requirement s (a ) A n owne r o r operato r o f mor e tha n on e proces s uni tsubjec tt o th e provision s o f

thi s subpar tir.o \ compl y wit h th e recordkeepin g re - -cnt s fo r thes e proces s ur.it s i n on e TL-. -keepin g syste m i f th e Byste m identifie s ecr h record b y proces s uni tan d th e progra m bein g implemente d (e.g. , quarterl y monitoring , qualit y improvement ) fo r eac h typ e o f

equipment
. Al l records an d informatio n required b y thi s sectio n shal l b e maintaine d i n a manne r that ca n b e readily accesse d a tth e plan tsite
. Thi s coul d includ e physicall y locatin g th e record s a tth e plan tsit e o r accessin g th e record s from a centra l locatio n b y compute r a tth e plan tsite
. (b ) Excep ta s provide d i n paragraph s (f ) an d (g ) o f

thi s section , th e followin g informatio n pertainin g t o al l equipmen t i n eac h proces s uni tsubjec tt o th e requirement s i n fi XXJC2- 1 t o fi XX.X2
- 1 3 shal l b e recorded: (l)(i ) A lis to f

identificatio n number s fo r equipmen t(excep tconnector s exemp tfrom monitorin g an d recordkeeping identifie d i n fi XX.X2-1 3 en d instrumentatio n systems ) subjec tt o th e requirement s o f

thi s subpar tan d a sit e layou tshowin g th e relative locatio n o f th e equipmen ti n th e proces s uni t Connector s nee d no tb e individuall y identifie d i f

al l connector s i n a designate d are a o r lengt h o f pip e subjec t t o th e provision s o f

thi s subpar tar e identifie d a s a group , an d th e numbe r o f connector s subjec ti s indicated
. (ii ) A tabl e listin g th e monitorin g frequenc y an d othe r provision s o f this subpar ttha tar e bein g implemente d fo r eac h ite m o f

equipmen t (iii ) Physica l taggin g o f

th e equipmen t t o indicat e tha ti ti s i n VHA P servic e i s no trequired
. Equipmen tsubjec tt o th e provision s o f

thi s subpar tma y b e identifie d o n a plan tsit e plan , i n lo g entries , o r b y othe r appropriat e methods
. (2)(i ) A lis to f

identificatio n number s fo r compressor s tha tth e owne r o r operato r elect s t o designat e a s operatin g wit h a n instrumen treadin g o f les s tha n 50 0 pp m abov e background , unde r th e provision s o f

XX.X2-3(i)
. (ii ) Th e designatio n o f

thi s equipmen t a s subjec tt o th e requirements o f fi XX.X2-3(i ) shal l b e signe d b y th e owne r o r operator .P.2 0

reaera l Registe r /

Vol
. 56 , .Vu

. •»• » • / Wbonesday , Marc h 6 , 199 1 / Propose d Rule s 933 3 (3) A lis to

f equipmen

tidentificatio n number s fo r pressur e relie f device s require d t o compl y wit h fi XX.X2-4(a)
. (4)(i) Th e date s an d results o

f eac h compliance tes trequire

d i n fi XX.X2-3(i) and XX.X2-4
. (ii ) Th e backgroun

d leve l measured durin g eac h compliance test . (iii ) Th e maximu m instrumen

treading measure d a teach piec e o

f equipmen

t durin g eac h compliance test . (5 ) A lis to f identificatio n number

s fo r equipmen ti n vacuu m service
. (6 ) Instrumentatio

n syste m identification
. Individua

l component

s i n the instrumentation system nee d no tb e identified
. (7 ) A lis to f identificatio n number

s fo r equipmen ti n VHA P servic e less tha

n 30 0 hour s per yea r withi n a proces s uni t subjec tt o th e provision s o

f tiiis subpar

t unde r § XX.XO

. (0](i) Identification , cither b y list
. , locatio n (are

a o r grouping) , o

r taggin g o f connectors disturbed Einc e th e las t monitorin g perio d require

d in fi XX.2
- 13(b) , a s describe d i n fi XX.X2-l3(c)
. (ii ) Th e dat e an d result s o f followu p monitorin g a s require

d i n fi XX.X2-13(c)
. I f identificatio n o

f disturbe d connectors i s mad e b y location , the

n al l connector s withi n the designate d locatio n shal l b e monitored
. (9 ) A lis to f reconfigure

d equipmen

ti n batc h produc tproces s unit

s sinc e th e las tmonitorin

g perio d require

d i n fi XX.X4-2(c)(3)(iiHiv)
. a s describe d in fi XX.X4-2(c)(3)(i)
. (10 ) A lis tof valve s removed from and adde d t o the proces s uni ta s considere d i n fi XX.X2-7(e)(l) , and a lis tof connectors removed from an d adde d t o the proces s uni ta s considere d i n fi XX.X2-13(i)(l)
. Thi s i s no trequired unles s th e ne tcredit

s fo r removed valve s and connector s ar

e expecte d t o b e used
. (11 ) Documentatio n of

proces s strea

m compositio n a s require

d i n fi XX.X5(b)(6)(ii)
. (12 ) Identificatio n of

screwe d connector s subjectt

o the requirements o f fi XX.X2-l3(c)(2)
. identificatio n ca n b e b y area o r groupin g a s lon g a s the tota

l numbe r withi n eac h grou

p o r are a i s recorded. (13) Identificatio n o

f welde d connector s monitore

d o r teste d a s require d i n fi XX.X2-13(b}(4) , th e dat e of th e weld , and th e dat e o

f monitoring o r testing
. (c) Whe n eac h leak i s detecte d a s specifie d in fi XX.X2-2
. { XX.X2-3 , fi XX.X2-7 , fi XX.X2-8 , fi XXA2-11 , fi XX.X2-12 , and fi XX.X2-13 , th e followin g requirement

s apply : (1 ) A weatherproo

f an d readily visibl e identification , marke

d wit h th e equipmen tidentificatio n number

, shal l b e attache d t

o th e leakin g equipmen t (2 ) Th e identificatio n o n a valv e o r connecto r ma

y b e removed afte

r i tha s been monitore

d a s specifie d i

n fi XXJC2

- 7(f)(3) fi XX.X2-13(e) , an

d fi XX.X3
- l(e}(7)(i)(D) , an

d no lea k ha s bee n detecte d durin

g th e followu p monitoring
. (3 ] Th e identificatio n o

n equipment

, excep to n a valv e o

r connector , ma

y b e removed afte

r i tha s bee n repaired
. (d ) Whe n eac h lea k i s detecte d a s specifie d in fi XX.X2-2
. fi XX.X2-3 , fi XX.X2-7 , fi XX.X2-8
. fi XX.X2-11 , fi XX.X2-12
. and fi XX.X2-13 , the followin g informatio

n shal l b e recorde d an d keptfo r 2 years : (1 ) The instrumen

tand operato r identificatio n number

s an d the equipmen tidentificatio n number

. (2 ) Th e dat e the lea k wa s detecte d an d the date s o

f each attemptt

o repair the leak
. (3 ) Repai r method s applie d i

n eac h attemp tt o repair th e leak
. (4 ) Maximu m instrumen

treading measure d b y th

e metho d specifie d in fi XX.X5(b

) afte r i ti s successfull y repaire d o r determined t

o b e nonrepairable.
. (5) "Repai r delayed " and th e reaso n fo r the dela y i

f a lea k i s no trepaired .withi n 1 5 calenda r day s afte r discovery o f the leak
. I

f dela y o f repair wa s caus e b y depletio n o

f stocke d parts , ther

e mus t b e documentatio n tha

tthe spar e part s wer e sufficiently stocke d before depletio n and the reason fo r depletion
. (6 ) Th e signatur e o f the owne r o

r operato r (o

r designate ) whos e decisio n i twa s tha trepair coul d no tb e effecte d withou ta proces s uni

tshutdown
. (7 ) Th e expecte d dat

e o f successfu l repai r o f th e lea k i f a lea k i s no t repaired withi n 1 5 calenda r days
. (8 ) Date s o f proces s uni

tshutdown s tha toccu r whil e th e equipmen ti s unrepaired
. (9 ) The dat e o

f successfu l repai r o

f th e leak
. (e ) The followin g informatio n shal l b e recorded fo

r eac h proces s uni

tsubjectt o the requirements o

f fi XX.X2- 2 t

o fi XXJC2-13 : (1 ) A schedul e o

f monitorin

g for valve s an d fo

r connectors . (2 ) Th e numbe r o f leakin g pumps , th e tota l numbe r o f pumps , an d the percent leakin g pumps durin

g eac h monitorin

g period
. (3 ) Th e numbe

r of leakin g valves , th e tota l numbe r o f valves , al l netcredit

s fo r removed valve s (onl y i f

credit s ar e taken) , th e numbe

r o f nonrepairabl e valves , and the percen

tleakin g valve s durin g eac h monitorin

g period
. (4 ) Th e numbe r o f leakin g connectors , the tota l numbe r o f monitore d connectors , al l netcredit

s fo r removed connector s (only i f credit s ar e taken) , th e numbe r o f nonrepairable connectors , an d th e percen tleaking connectors durin g each monitorin

g period
. Th

e numbe r o f leaking screwe d connectors , the tota ! numbe

r o f monitore d screwe d connectors , end th

e percen tleakin g screwe d connectors durin g eac h monitorin g period
. (5) Th e date s an d duration

s o f (i) startup s an

d shutdown s o

f a proces s uni tan

d (ii ) an y unschedule d wor

k practice o

r operationa

l procedur

e tha tstop s productio n frc

m a proces s uni

to r par tc f a proces s uni

ttha ti s no tdefine d a s a proces s uni

tshutdown
. I

f th e duratio n exceed s 2 4 hours , the calculation s use d i n determinin

g tha temission s fro

m clearin g proces s materia

l fro m the proces s uni

to r par to f th e proces s uni

t woul d excee d emission s fro m dela y o f repair c f leakin g component

s unti l th e nex tschedule d shutdow

n 6hal l b e recorded
. Th

e calculatio n shal l assum e tha tthe purge

d materia l i s collecte d an

d destroye d o

r recovere d in a contro

l devic e complyin

g wit h { XX.X2-11
. (f ) Th e owne r o r operato r o

f a batc h produc tproces s wh o elect s t

o pressur e tes tthe batc

h produc tproces s equipmen ttrai n t o demonstrat

e compliance wit

h thi s subpar

ti s exemp t from th e requirements o

f paragraph

s (b) , (c) , (d) , (e) , (i) , an

d (m ) o f thi s section
. Instead , the owne r o

r operator shal l maintain record s c

f the followin g information : (1 ) A lis to

f identificatio n number

s fo r each batc h produc tproces s equipmen

t trai n use d t o produc e product s durin g the calendar year an

d the are a o f the plan tsit e wher

e th e equipmen

ttrai n i s located
. (2 ) Records demonstratin

g the equipmen ti s i n us e i n a batc

h proces s durin g th e calenda r year . Examples o f suitabl e documentatio n ar e records o

f time i n us e fo

r individua

l piece s o f equipmen to r averag e tim

e in us e fo r the proces s unit
. (3) Physica

l taggin g o f the equipmen

t t o identif y tha ti ti s i n VHA

P servic e and subjec tt o the provision s o

f thi s subpar

t i s no trequired. Equipmen tin a batc h produc tproces s subjec

tt o the provision s o

f thi s subpar

tma y b e identifie d o n e plan

tsit e plan , in lo g entries , o r b y othe r appropriat

e methods
. (4 ) Th e date s o f each pressur

e tes t required i n fi XX.X4-2(b) , th e tes t pressure , and the pressur

e dro p observe d durin

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 n a batc h produc tproces s equipmen ttrai n doe s notpas s 2S33 4 Federa l Registe r / Vo l 56 , No
. 4 4 /

Wednesd a .*,oi j froposu u P.2 1

consecutiv e pressur

e tests , th e followin g information shal l b e recorded i n a lo g an d kep tfo

r 2 years : (1 ) Tn e dat e o f eac h pressur

e tes tan d th e dat e o f eac h leak repair attempt . (2 ) Repair method s applie d in eac h attemp tt o repai r th e leak
. (3 ) The reaso n fo

r the delay o

f repair
. (4 ) Th e expecte d dat

e fo r deliver y o f th e replacementequipmen tan d the actua l dat e o f delivery o

f the replacemen tequipmen t (5) Th e dat e o f successfu l repair, (h ) The followin g informatio n pertainin g t

o th e desig n requirement

s fo r closed-ven tsystem s an

d contro l device s describe d in fi XXJC2-I

1 shal l b e recorded : (1 ) Detaile d schematics , desig n specifications , and piping an d instrumentatio n diagrams
. (2) The date s an d description s o f an y change s in the desig n specifications
. (3 ) A descriptio n o

f the parameter o

r parameter

s monitored , a s require

d i n fi XXJX2-ll(e) , t

o ensure tha

tcontro l device s ar

e operate d an

d maintaine d i

n conformanc

e with thei r desig n an d a n explanatio n o

f wh y tha tparameter (o

r parameters ) wa s selecte d fo r th e monitoring
. (4 ) Date s an

d duration s whe n th e closed-ven tsystem s an d control device s require d in fi XX.X2-2 , fi XX.X2-3 , fi XXJC2-4

, fi XX.X2-5 , and fi XX.X2- 6 are notoperate d a s designe d a s indicate d b y the monitore d parameters , includin g period s whe n a flar e pilo tligh

t syste m doe s no thav e a flame
. (5 ) Date s an d duration s durin g which th e monitoring syste m o r monitorin g devic e i s inoperative
. (6 ) Date s an d duration s o

f startup s an d shutdown s o

f the closed-ven t system s an

d contro l device s required i n fi XX.X2-2 , fi XX.X2-3
. fi XX.X2-4 , fi XX.X2-5 , and fi XX.X2-0
. (i ) Th e followin g information pertainin g t

o al l valve s sub/ectto th e requirement

s of fi XX.X2-7(h) an

d fi ) an d al l connector s subjectt o th e requirement

s o f fi XXJ(2-J3(f) , (gj
. an d (h ) shal l b e recorded : (1 ) A lis to

f identificatio n number

s fo r valve s and connector s tha tar e designate d a s unsaf

e t o monitor, a

n explanatio n fo

r eac h valv e and connecto r statin g wh y th e valv e o r connecto r i s unsaf

e t o monitor, and th e pla n fo r monitoring eac h valv e an d connector . (2) A lis to

f identificatio n number

s fo r valve s tha

tar e designate d a s difficultt o monitor , a

n explanatio n fo

r eac h valv e statin g wh y th e valv e i s difficul tt o monitor , an d the planne d schedul e for monitoring eac h valve
. (3) A lis to

f identificatio n number

s fo r connector s tha

tar e designate d a s unsaf e t o repair and a

n explanatio n fo

r eac h connecto r statin g wh y the connecto r i s unsaf

e t o repair. (j ) The followin g informatio n shal l b e recorded : (1 ) Desig n criterio n require d in fi XX.X2-2(e)(5 ) an

d fi XX.X2-3(e)(2 ) an

d a n explanatio n o

f the desig n criterion ; and (2) An y change s t

o thi s criterion an

d the reason s fo

r the changes
. (k ) Information , data , an d analysi s use d t o determine tha

ta piec e o

f equipmen to r proces s uni

ti s in heav y liqui d servic e o

r i s no tin VHA P servic e shal l b e recorded
. Suc

h a determinatio n shal l includ e a

n analysi s o r demonstratio n tha

tth e fee d o

r ra w materials , products , by-products , co products , o

r intermediate s do no t includ e sufficientchemical s liste d in fi XX.X8- 1 t

o mee tthe criteri a o

f "i n VHA P service"
. Example s o

f informatio

n tha tcoul d documen

tthi s include , bu

tar e no tlimite d to , records o f chemical s purchase d fo

r the process , analyse s o

f proces s strea

m composition , engineerin g calculations , o r proces s knowledge
. (1 ) Th e dat e an d duration o

f eac h proces s uni

tstartu p an d shutdow n shal l b e recorded
. (m ) Eac h owne r o r operato r o

f a n affecte d proces s uni

tsubjec tt o th e requirement

s o f fi XXJC3- 1 an d fi XX.X3- 2 shal l maintai n the followin g record s fo r th e perio d o

f th e QI P fo r tiie affecte d proces s unit : (1 ) Fo r owner s o r operator s wh o elec t t o us e a reasonabl e furthe

r progres s QIP

, s s specifie d i n fi XX.X3-l(d) : (i ) Al l dat a require d i n fi XXJC3
- ' 1(d)(2)
. (ii ) Th e percen t'leakin g valve s observe d eac h quarte

r an d the rolling averag e percentreduction observe d i n eac h quarter. (iii ) Th e beginnin g and endin g date s whil e meetin g th e requirement s o f fi XXJC3-l(d)
. (2) Fo r owner s o r operators wh o elec t t o us e a technology revie w and improvemen

tQIP , a s specifie d i n fi XX.X3-l(e) : (i ) Al l dat a require d i n fi XXJC3
- 1(e)(2)
. (ii ) The percentleakin g valve s observe d eac h quarter. (iii ) Documentatio n o

f all inspection s conducte d under th e requirement s o f fi XX.X3-l(e)(4 ) and an y recommendation s fo

r desig n o r specificatio n change s t o reduc e lea k frequency. (iv ) The beginning and endin g date s whil e meetin g the requirement s o f fi XX.X3-l(e)
. (3) Fo r owner s o

r operator s subjec tt o the requirements o

f the pum p QI P a s specifie d i

n fi XX.X3-2 : (i ) Al l dat a require d in fi XX.X3
- 2(d)(2)
. (ii ) Th e rollin g averag e percen

t leakin g pumps . - (iii ) Documentation o

f all inspection s conducte d unde

r th e requirements o

f fi XX.X3- 2 (d

) (4 ) and an y recommendation* fa

r desig n a r specificatio n change s t

o reduce lea k frequency. (iv ) The beginnin g and endin g date s whil e meetin g th e requirement s o f fi XX.X3-2(d)
. (4) I f a leak i s notrepaired withi n 1 5 calenda r day s after discover y o f the leak , th e reaso n fo

r th e delay an

d th e expecte d dat

e o f successfu l repair
. (5) Record s o

f all analyse s require

d i n fi XX.X3-l(e ) an

d fi XX.X3-2(d)
. Th

e records wil l includ e th e following : (i ) A lis tidentifyin g area s associate d wit h poorer tha

n averag e performanc

e and th e associate d servic e characteristic s o

f the stream , the . operatin g condition s an

d maintenance practices
. (ii ) Th e reason s fo

r rejecting specifi c candidate superio r emissio n performin g valv e o r pum p technology from performanc

e trials
. (iii ) The lis to

f candidat e superio r emissio n performin

g valv e o r pum p technologies , and documentatio n o f the performanc

e tria l progra m item s require d unde r fi XX.X3-l(e ) (6

) (iii ) an d fi XXX3-2(d ) (6) (Ui)
. (iv ) Th e beginning dat

e an d duratio n o f performanc

e trial s o f eac h candidat

e superio r emissio n performin g technology
. (6 ) Al l record s documenting th e qualit y assuranc e progra

m fo r valve s o r pumps a s specifie d in fi XX.X3-l(e ) (7 ) en d fi XX.X3-2(d)(7)
. (7) Record s indicatin g tha tall valve s o r pumps replaced o

r modified durin

g th e perio d o

f the QI P ar e in compliance wit h the qualit

y assuranc e requirement

s i n fi XX.X3-l(e)(7 ) en d fi XX.X3-2(d)(7)
. (8 ) Record s documenting complianc e wit h th e 2 0 percento

r greate r annua

l replacementret

e fo r pump s a s specifie d in fi XX.X3-2(d)(8)
. (9 ) Informatio

n an d dat a t o sho w the corporatio n ha s fewe r tha n 100 employees , includin g employee s providin g professiona

l and technical contracte d services
. (n) Owners an

d operator

s choosin g t

o comply wit

h th e requirement

s o f fi XX.4
- 3 shal l maintai n th e followin g records : (1 ) Identificatio n o

f the proces s unit(s ) and the VHAP

s the y handle
. (2 ) A schemati c of

the proces s uni t enclosure , an d close d ven tsystem . 1 /P.2 2

Federa l Registe r /

Vo l 56 , No
. 4 4 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 933 5
(3 ) A descriptio n o 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 tal l emission s ar e route d t o th e contro l device
. (0 ) Th e provision s o f

fi 61.14(f ) d o no t appl y t o proces s unit s subjec tt o thi s subpart
. (Approve d b y th e Offic e o f Managemen t an d Budge tunde r contro l numbe r

) Sectio n XX.X 7 Reportin g Requirement s (a)(1 ) A n owne r o r operato r o f a proces s uni tsubjec tt o th e provision s o f thi s subpar tshal l submi ta statemen ti n writin g s o notifyin g th e Administrator
. (2 ) I n th e cas e o f

a n existin g proces s uni tc r a ne w proces s uni twhic h ha s a n initia l startu p dat e precedin g the
effectiv e date , th e statemen ti s t o b e submitte d withi n 9 0 calenda r day s o f th e applicabilit y date s specifie d i n § XX.X0(b) , unles s a waive r o f complianc e i s grante d unde r fi 61.11, alon g wit h th e informatio n require d unde r fi 61.10
. I

f a waive r o f

complianc e i s granted , th e statemen ti s t o b e submitte d o n a dat e schedule d b y th e Administrator
. (3 ) I n th e cas e o f

ne w proces s unit s whic h di d no thav e a n initia l startu p dat e precedin g th e effectiv e date , th e statemen tshal l b e submitte d wit h th e applicatio n fo r approva l o f constructio n o r reconstructio n a s describe d i n fi 61.07
. (4 ) Th e statemen ti s t o contai n th e followin g informatio n fo r eac h proces s unit , excep ta s provide d i n paragrap h (b ) (5 ) o f thi s section : (i ) Proces s uni tidentification
. (ii ) Numbe r o f

eac h equipmen ttyp e (e.g. , valves , pumps ) excludin g equipmen ti n vacuu m service , (iii ) Metho d o f

complianc e wit h th e standar d (fo r example , "monthl y lea k detectio n an d repair" o r "equippe d wit h dua l mechanica l seals")
. (iv ] Planne d schedul e fo r eac h phas e o f th e requirement s o f

thi s subpart
. (5 ) Th e statemen ti s t o contai n th e followin g informatio n fo r eac h proces s uni tsubjec tt o th e requirements i n fi XX.X4-2(b) : (i ) Batc h produc tproces s equipmen t trai n identification , an d (ii ) Planne d schedul e fo r pressur e testin g th e batc h produc tproces s equipmen ttrain
. (b ) Excep ta s provide d i n paragrap h (c ) o f thi s section , a reportshal l b e submitte d t o th e Administrato r semiannuall y startin g 6 month s afte r th e initia l report required i n paragrap h (a ) o f thi s section , tha tinclude s th e followin g information, a s applicable : (1 ) Proces s uni tidentification , frequency o f

monitoring , an d specifi c provision s o f

thi s subpar tbeing , implemented
. (2 ) Fo r eac h monitorin g perio d durin g th e semiannua l reportin g period
. (i ) Th e numbe r o f

valve s fo r whic h leak s wer e detecte d a s describe d i n fi XX.X2-7(b) , th e percen tleakers , an d th e tota l numbe r o f

valve s monitored ; (ii ) Th e numbe r o f

valve s fo r whic h leak s wer e no trepaire d a s required i n fi XX.X2-7(f)
. identifyin g th e numbe r o f thos e tha tar e determine d nonrepairable
. (iii ) Th e numbe r o f

pump s fo r whic h leak s wer e detecte d a s describe d i n § XX.X2-2(b) , th e percen tleakers , an d th e tota l numbe r o f

pump s monitored
. (iv ) Th e numbe r o f

pump s fo r whic h leak s wer e no trepaire d a s required i n fi XX.X2-2(c)
. (v ) Th e numbe r o f

compressor s fo r whic h leak s wer e detecte d a s describe d i n fi XX.X2-3(f)
- (vi ) Th e numbe r o f

compressor s fo r whic h leak s wer e no trepaired a s require d i n fi XX.X2-3(g)
. (vii ) Th e numbe r o f

connector s fo r whic h leak s wer e detecte d a s describe d i n fi XX.X2-13(a) , th e percen to f connector s leaking , an d th e tota l numbe r o f

connector s monitored
. (viii ) Th e numbe r o f

screwe d connector s fo r whic h leak s wer e detecte d a s describe d i n fi XX.X2-l3(a) , th e percen to f

screwe d connector s leaking , an d th e tota l numbe r o f screwe d connector s monitored
. (ix ) Th e numbe r o f

connector s fo r whic h leak s wer e no trepaired a s required i n fi XX.X2-13(d) , identifyin g th e numbe r o f

thos e tha tar e determine d nonrepairable
. (x ) Th e numbe r o f

screwe d connector s fo r whic h leak s wer e no trepaire d a s required i n fi XX.X2-13(d)
. (xi ) Th e numbe r o f

agitator s fo r whic h leak s wer e detecte d a s describe d i n fi XX.X2-12(b)
. (xii ) Th e numbe r o f

agitator s fo r whic h leak s wer e no trepaired a s require d i n fi XX.X2-12(c)
. (xiii ) Th e fact s tha texplai n an y dela y o f repairs and , wher e appropriate , wh y a proces s uni tshutdow n wa s technicall y infeasible
. (3 ) Date s an d duration s o f proces s uni tcontro l device , o r monitorin g devic e startup s o r shutdown s whic h occurre d withi n th e semiannua l reporting period
. (4 ) Revision s t o item s reporte d accordin g t o paragrap h (a ) o f thi s sectio n i f change s hav e occurre d sinc e th e initia l repor to r subsequen trevision s t o th e initia l report Note : Complianc

e wit h the requirement

s o f 161.10(c ) i a notrequire

d fo r revision s documented unde

r thi s paragraph
. (5 ) Th e result s o f

al l perfonnanc e test s t o determin e complianc e wit h fi XX.X2
- 3(i) , fi XX.X2-4(a)
. an d fi XXJC2-ll(f ) conducte d withi n th e semiannua l reportin g period
. (8 ) Th e initiatio n o f

a monthl y monitorin g program unde r fi XX.X2
- 7(d)(l)(i)
. o r a QI

P unde r eithe r fi XX.X3
- 1 o r fi XX.X3-2 , whicheve r i s applicable
. (7 ) Notificatio n o f

th e Administrato r o f e chang e i n connecto r monitorin g alternative s a s describe d i n fi XX.X2
- 13(c)(1). (c ) Fo r owner s o r operator s electin g t o mee tth e requirement s o f fi XXJC4-2(b) , a repor tshal l b e submitte d to th e Administrato r semiannuall y startin g 6 month s afte r th e initia l report required i n paragrap h (a ) o f

thi s section
. Th e semiannua l repor tshal l includ e th e followin g information : (1 ) Batc h produc tproces s equipmen t trai n identification , (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 ttrai n faile d th e pressur e test , (4 ) Th e fact s tha texplai n an y dela y o f repairs, an d (5 ) Th e results o f

al l performanc e test s t o determin e complianc e wit h fi XXJC2
- 11(f)
. (d ) A n applicatio n fo r approva l o f constructio n o r reconstruction , fi 61.05(a ) an d fi 61.07 , wil l no tb e require d i f (1 ) Tn e ne w proces s uni tcomplie s wit h th e applicabl e standar d i n fi XX.X 2 o r fi XX.X4-2 ; an d (2 ) I n th e nex tsemiannua l repor t require d b y paragrap h (b ) o f thi s section , th e informatio n i n paragrap h (a ) (4 ) o f thi s sectio n i s reported. (e ) A n owne r o r operato r o f a proces s uni trequire d t o compl y wit h fi XXJC2
- 7(d ) (1 ) shal l notif

y th e Administrato r withi n 3 0 calenda r day s o f initiatin g th e monthl y monitorin g progra m unde r fi XX.X2-7(d ) (I) (i ) o r a QI P unde r fi XX.X3-1
. (f ) A n owne r o r operato r o f a proces s uni trequire d t o compl y wit h fi XXJC2
- 2(d ) (2 ) shal l notif

y th e Administrato r withi n 3 0 calenda r day s o f initiatin g a QIP unde r fi XX.X3-2
. (g ) I f acceptabl e t o bot h th e Administrato r an d th e owne r o r operato r o f

th e proces s uni tth e reports ma y b e submitte d o n electroni c media
. (Approve d b y th e Offic e o f Managemen

tand Budge tunde r contro l numbe r ) Sectio n XXJC8- I Lis to f Volatil e Hazardou s Ai r Pollutants
.

Chemica l nam * AotaJdeftyde.

. Acetamkto

— Aoatonttrtto

— Acatophanon * 2 -Aoatytamlnoftuorlna'.

. CA S No . 7507 0 6035 5 7505 8 0886 2 5396 3933 6 Federa l Registe r / Vo l 56 , No
. 4 4 /Wednesday
. Marc h 6
. 109 1 / Propose d Rule s

Chemica l nam e
Acrolei n AcrytamWe Acryli c add

. Acrylonitrtta

. Ally ! chloride

. 4-Aminobiphenyl

_ Anilin e o-ArtsMine

. Benzen e Benzidin e — BenzotricMoride

. Benzy l chloride

— Bipheny l _. . Bis(ethylhexyl)phthalat

e (DEHP)...

_ Bis<chtorometriy

O ethe r Bromofot m ,, , , , — 1,3-Butadien e Caprolacta m

_ Carbo n disulfid e Cartoo n tetrachloride

. Cartsony l sulfid e Catecho l Chloroaceticadd

. 2-Chloroacetophenone.

. Chlorobemen e Chlutufon n Chloromethy l methy l ethe r Chloroprene.

. Cresols/CresyH c aci d (isomer s an d mix

ture) , Creaols/Cresyli e ad d (isomer s an d mix

ture)

. Cresols/Cresyti c ad d (isomer s an d mix

Cresds/Cresyli c ad d (isomer s an d ma ture ) Cumen e 2.4-0 , salt s an d esters
. DD E Dtazomethan e Dibenzofuran s

______ _ 1 _-Dibromo-3-chloropropane

_ Dibutylphthaiate

. (bis(2

. 1,4-Dtchlorobenzen e (p)

_ 3,3-Dichtorobenziden 6 Dichloroethy

t ethe r chloroethy1)ether

)

. . 1,3-Dichloropropen e . Diethanolamine

. N,N-Diethy l anilin e (N,N-OimethylanHine)

. Diethy l sulfate

. 3,3'-Oimethoxybenzidine.

. Dimethy l aminoazobenzene.

. 3.3'-Oimethy l benzidin e Dimethy l carbamoy l ehionde

. Dimethy l formamide.

. 1,1-Dimethy l hydrazine.

. Dimethy l phthalat e Dimethy l surfate

. 4,6-Dinitro-o-cresoi , an d salts

. 2.4-Dinltropheno l 2,4-Dinitrotoluen e

_ , 1,4-Dioxan e (1.4-Otethyteneoade)

. 1 .2-Oipheny l hydrazin e EptcMorohydri n (1-CMoro-2 J epoxypropane)

. 1 —-Epoxybutane

_ Ethy l acrytata Ethy l benzene

. Ethy l carbamat e (Urethane)

. Ethy l chlorid e (Chtoroethane ) Ethylen e diromid e (Dibromoethane ) Ethylen e dichlorid e (1.2-Dichloroethane)

. Ethylen e glyco l i Ethylen e oxide.

. Ethylen e ttwxrea Ethytiden e dtehtorid e (1,1-Dichloroethane)

. Formaldehyd e . Glyco l Hexachiorobenzene

— Hexachlorobutadiene
Hexa chtoroethan

e CA S No .
10702 8 7906 1 7910 7 10713 1 1070S 1 9267 1 6253 3 9004 0 7143 2 9287 5 9807 7 10044 7 9252 4 11781 7 54288 1 7525 2 10699 0 10560 2 7515 0 5623 5 46358 1 12080 9 7911 8 53227 4 10890 7 6766 3 10730 2 12699 8

J ! 977 3
9548 7
10839 4
10644 5 9882 8 9475 7 354704 4 33488 3 13264 9 9612 8 6474 2 10646 7 9194 1 11144 4 54275 6 11142 2 12169 7 6467 5 11930 4 6011 7 11993 7 7944 7 6312 2 5714 7 13111 3 7778 1 53452 1 5128 5 12114 2 12391 1 1226S 7 10689 8 10688 7 14088 5 10041 4 5179 6 7500 3 10693 4 10706 2 10721 1 7521 8 9645 7 7534 3 5000 0 0 11874 1 8768 3 6772 1 Chemica l nam e

Hexamethylene-1,64-socyanate

. Hexamethytphosphoramid e Hexan e — Hydrazine

. Hydroquinon e

_ leophorooe MaM c anhydride

. Methano l Methy l bromid e (Bromomethane ) Methy l chlorid e (CNoromethane ) Methy l chlorofor m (1,1,1-Trichloroeth ane) , Methy l ethy l keton e (2-Butanone)

. Methy l hydrazine.

. Methy l iodid e (lodomethane) Methy l isobuty l keton e (Hexone)

. Methy l isocyanat

e Methy l methacrylat

e Methy l tar

t buty l ether

. 4,4-Methylen e bia(2-chloroeniline ) Methylen e chlorid e (Dichloromethane ) — Methylen e dipheny

t diisocyanat

e (MD1)_

. 4,4'-Methylenedianilin e Naphthalen e Nitrobenzen e - 4-Nitrobiphenyt

. 4-Nitrophenol.

. 4-Nitropropan e N-Nltroso-N-methyturea N-Nitrosodimethytamin e

____ _ N-NHrosomorphottn e , Pheno l p-Phenytenediamine

. Phthali c anhydride

. Polychlorinated biphenyt s (Aroclors ) 1,3-Propan e sulton e beta-Propiolactone

_ Propionaldehyd e Propoxu r (Baygon)

. Propylen e dichlortd e (1,2-Dichloropro pane)

. Propylen e oxid e 1.2-Propylenimin e (2-Methy l aziridine)

. Quinone._

. Styrene.

. Styren e oxid e 2.3.7,8-Tetrachtorodibenzo-(Klioxin , 1. 1 ^-Tetrachloroethane

. Tetrachloroethylen e (Perchlcroethylene ) Toluen e 2,4-Toluen e diamin e — . 2,4-Toluen e diisocyanat e o-Tduldin e 1 ,2.4-Trichlorobenzene. - 1,1,2-Trichtoroethane

. Trichloroethylen e 2,4.5-Trichlorophenol 2,4,6-Trichloroph«nol

_ Triethylamin e Triflurali n 2-.4-Trimethytpantane.

. Vmy l acetat e Vmy t bromid e

_____ _ Viny l chloride

. Vinyliden e tone). chlorid

e (1.1-Dichloraothy

Xylene s (isomer

s an d mixture ) - xylene s (Isomer

s an d mixture) « xylene s (isomer

s an d mixture)
- Xylene s (Isomer

s an d mixture) . CA S No .
82206 0 68031 9 11054 3 30201 2 12331 9 7859 1 10831 6 6756 1 7483 9 7487 3
7155 6 7693 3 6034 4 7488 4 10810 1 62483 9 8062 6 163404 4 10114 4 7509 2 10168 8 10177 9 9120 3 9895 3 9293 3 10002 7 7946 9 66493 5 6275 9 5989 2 10895 2 10650 3 7544 5 8544 9 133636 3 112071 4 5757 8 12336 6 11426 1
7887 5 7556 9 7555 8 10651 4 10042 5 6609 3 174601 8 7934 5 12718 4 10888 3 9580 7 58484 9 9553 4 12082 1 7900 5 7901 8 9595 4 8806 2 12144 8 156209 8 54084 1 10805 4 59360 2 7501 4
7535 4 133020 7 9547 6 10638 3 10642 3

Sectio n XX.X8-2 Lis

to f Hazardou s Organic Chemica

l Production Processes
. Th e provision s o

f thi s subpar

tappl y t o production processe s tha tmak e th e followin g chemicals : CA S No

. Chemica l Nam e
GROUP )
121733

. 67641

_ 76058

_ 98862.

. 7906 1 — 107131 . 111693 . 107166 . 123308 . 62533 . 103333 . 71432 -
98113 . 62875 — 119619 . 92524 - 542881 . 10861 — 110634 . 96480. . 56235. . 53227 4
9551 2 10890 7 25497294 . 67663. - 88733. . 100005 . 80159. . 98828 - 110827 . 108930 . 103941 . 110838 . 95761 . 10646 7

_ . 541731

_ 9550 1
1331471 . 10706 2 - 111444 -

75718 — 111422 . 111466 . 112732 . 112387 . 111966 .

12417 4

124177 .

112345 .

112152 .

111900 . 1 -Chloro-3-nitrobenzen e Aceton e Acetonitril e Acetophehon e Acrytamid e Acrylonitril e Adiponitril e Ally l alcoho l Aminopheno l (p-isomer ) Anilin e Azobenzen e Benzen e Benzenedisutfoni c aci d BenzenesuHont

c ad d Benzidin e Benzophenon e (TOM ) Bipheny l Bis(Chioromethyl)Ethe r Bromobenzen

e Butanedio l (1.4-isomer

) Butyroiaceton e Carbo n tetrachlorid e Chloroasetophon e (2 - isomer ) Chloroanilin e (o-tsomer ) Chlorobenzen e Chlorodifluoromothen e Chlorofor m Chioronitrobenzen e (o iaomer ) Chioronitrobenzen e (p tsomer ) Cumen e hydroperoxid e Cumen e (isopropy l benzene ) Cyclohexan e Cydohexano ! Cydohexanon o Cyclohexan e Dichloroanilin e (al l

. isomers

) Dichlorobenzen e (1,4 - laomer)(P0B ) Dichlorobenzen e (m Isomer ) Dichlorobenzen e (o isomer ) Dichlorobenzidin e (3,3 - tsomer ) Dichloroethan e (1.2 - teomer)(EDC) Dichloroethy l ethe r (bis(2 - chloroethyt

) ether ) Dichlorodifluoromethan e Diethanolamin e Diethylen e glyco l Diethyien e Glyco l Oibuty l Ethe r Diethylen e glyco l diethy l ethe r (glyco l ether

) Diethylen e glyco l dimethy l ethe r (glyco l ether ) Diethylen e Glyco l Monobuty l Ethe r Acetat e Diethylen e glyco l monobuty l ethe r acetat e (glyco l ether) Diethylen e glyco l monobuty l ethe r (glyco l ether ) Diethylen e glyco l monoethy l ethe r acetat e (glyco l ether

) Diethylen e glyco l monoethy l ethe r (glyco l ether) )JP.2 4



### Federa l Registe r /

Vo l 58 , No
. 44 /

Wednesday , Marc h 8 , 199 1 / Propose d Rule s 933 7

C A S No .
111773 .

77781.. . 108010 . 25154545 . 12391 1
646060 . 10181 5 10164 8 25265718 - 12101 3
106898 . 141435 . 100414 . 9649 1 — 106934 .

10721 1 — 111557.. . 6299141. . 110714 . 112072 .

111762.. .

1115 9

110805 -

110496 -

109864 -

122996 -

2807309 .

75218 — 50000 — 110178 . 100970 . 123319 . 75310... , 123013 .

110167. . 108316 - 123331 - 6915157 . 121471

_ 63683,. . 75002 - 101779 . 98839 — 110918 . 88744 — 100016 . 96953 — 111660 . 9002817

. 115775 - Chemica l Nam e Diethylen e glyco l monomethy l ethe r (glyco l ether

) Dimethy l sulfat

e Dimethylaminoethano i (2-isomer

) Dinitrobenzenes Dioxan e (1,4 - Diethyleneoxide

) Dioxilan e Dipheny l Methan e Dipheny l codd

e (POM ) Dipropylen e glyco l Dodecylbenzen e (r

v isomer ) Epichlorohydrin(1Chloro2,3-epoxypropane

) Ethanolamine s (af l isomers) Ethy l benzen e Ethylen e carbonat

e Ethylen e dibromid e (Dibromoethane

) (EDB ) Ethylen e glyco l Ethylen e glyco l diacetat e Ethylen e Glyco l Diethy l Ethe r Ethylen e glyco l c&nethy l ethe r (glycoLether

) Ethylen e glyco l monobuty l ethe r acetat e (glyco l ether) Ethylen e glyco l monobuty l ethe r (glyco l ether

) Ethylen e glyco l monoethy l ethe r acetat e (glyco l ether

) Ethylen e glyco l monoethy l ethe r (glyco l ether

) Ethylen e glyco l monomethy l ethe r acetat e (glyco l ether) Ethylen e glyco l monomethy l ethe r (glyco l ether

) Ethylen e glyco l monopheny

t ethe r (glyco l ether) Ethylen e glyco l monopropy

tethe r (glyco l ether) Ethylen e oxid e Formaldehyd e Fumaricad d Hexamethytenetal i amin e Hydroqulnon e Isopropytamfn e Linea r alkytberoen e (linea r Maleicad d Malei c anhydrid e Malei c Hydrazid e MaHcad d MetanUi c ad d Methionin e Methylen e Chlorid e (DicNoromethane ) Methylen e dianilin e (4,4 - iaomer)(MDA ) Methylstyren e (a-(somer ) Morpholin e NitroaniUn e (o-lsomer

) Nitroanilin e (p-isomer

) Nitrobenzen e Octene- 1 Paraformaldehyd e Pentaerythrtto l CASN a
127184

. 95545.

. 106503
. 110850. , 57578 — 79094 — 57556... , 107982

. 75569.... , 108463
. 100425
. 110156
. 110612
. 526830
. 634902
. 85943 —
112607 . 109999 . 108883 . 102821 . 79016. . 75694 . 76131. . 95954 - 102716 . 112276 . 112492 .

112356 . 77996 - 75014 . 133020 7 9547 6 : 10642 3

75070 - 107891 . 60355. . 103844 . 64197 — 108247 . 75365 — 111411 . 90040 — 106990 . 123864 . 71363 — 109736 . 107680 . 123728 . 107926 . 106310 . 105602 . 558134 . 75730 — 75876 - 79116 - 108429 . 10647S . 106430 . 106489 . 126998 . 75729 - 4170300 . 3724650 . 372096 . Chemica l Nam e Perchloroethyten e (tetrachloroethylene

) Phenylenediafnin e (c isomer ) Phenytenediamin e (p iaomer ) Ptperazin e Propiolacton e ( b Isomer ) Propioni c ad d Propylen e glyco l Propylen e Glyco l Monomethy l Ethe r Propylen e oxid e Resordno i Styren e (Viny l Benzene ) Succini c ad d Succinonitril e Tartari c Aci d Tetrachiorobenzen e (1,2,3.5-isomer

) Tetrachiorobenzen

e (1.2.4.5-i»omer

) Tetraethylen e Glyco l Tetrahydrofura n Toluen e Trichlorobenzen e (1,2,4 - bomer) Trichloroethylen e Trichlorofluoromethan e Trichlorotrifluoroethan e Trichloropheno l (2,4,5 - isomer ) Triethanolamin e Triethylen e glyco l Triethylen e glyco l dimethy l ethe r (glyco l ether ) Triethylen e Glyeo l Monomethy l Ethe r Trimethylopropan e Viny l chlorid e (CMor

o Ethylene) Xylene s (mixtures

) Xylene s (o-feomer

) Xylene s tp-toomer

) GROUP U Aoetaldehyd e Aoetaldo l Acetamid e Acetaniiid e Aceticad d Aceti c anhydrid e Acety l chlorid e Aminoethylethanolamtn e Anisidin a (o-iaomar

) Butadien e (1,3-Jaomer

) Buty l acetat e (rMsomer ) Buty l alcoho l (Maomer ) Butylamin e ( n Isomer

) Butylen e glyco l (1,3 - Isomer ) Butyraidehyd e (ivJeomer ) Butyri c ad d Butyri c anhydrid e Caprolacta m ^*aruo n waoramRi e Carbo n Tetrafluorid e CNort f Chloroaceticad d ChioroaniUn e (m-toomer ) Chloroanilin e ((Maomer ) Chloropheno l (m-leomer ) Chlorophenc

J (p-tsomer

) Chloropren e (2-Ch(oro 1,3-Butadiene

) Chloratrtfluoramsthan e CrotonakJehyd e Crotonicad d Cyanoaoetl c ad d (C N compound ) CA S No

.
111784.

. 1552121

. 760236.
. 54C590. 542756. , 64675... - 119937

. 68122.

. 57147 - 120616

. 141786

. 141979

. 140885

. 105335

. 41892711

. 151564..

. 107153 . 104767 . 103117 . 75127 - 64188 - 66815. - 26645737 . 25761962. . 5640 6 107222 . 118741 . 87683 — 67721 — 692450 . 124094 . 10731 3

_ - 88851

_ 99092 - 79469 - 123637 . 79210 — 108996 - 110894 - 110861 . 111206 . 127093 . 3926623. . 110441 . 126330 . 100210 . 79345 — 65438 . 110601 . 95607 — 584849 . 26471625 . 95534 - 71556 - 79005 .

108054 . 100403 . 75354 .

102012 . 124049 . 1321115 . 142041 - Chemica l Nam e Cyclooctadien e Cydooctadion e (1,5 - isomer ) Dichloro-1-tuton e (3,4 - Isomer ) Oichioroethyten e (1,4 - laomor ) Dichloropropcn e (1,3 - Isomer ) Diethy l sullate Dimethy l Benzidin e (3.3 - isomer ) Dimethy l lormarr.id o (NN Isomor ) (DMF ) Dimethy l hydrazin e (1,1 - isomer ) Dimethy l terepWholat

e Ethy l acetat e Ethy l acetoacetaU ) Ethy l scrytat

e Ethy l Chloroacotal e Ethy l sodiu m oxalacetate Ethylen e Imin e (Aziridine ) Ethylenediamin e Ethythexan d (2-isomer

) Ethythexy l Acrylat

e (2 - Isomer ) Formamid e Formi c ad d Glycero l Glycero l dlchiorohydrt n Glycero l triethe r Glydn e Glyoxa l HexacNorobenzen e Hexachlorobutadton e Hexachloroethan e Hexadien e (1,4-teomer

) Hexamethytenediamln e Methy l formate Methy l Pheno l Ceiblno l m-Nltroanilin e Nltroprepan e Paraldehyd e Peraceti c Ad d Picohn e (b-laomer

) nt, i ., • ill, , • Mporeatn e Pyridin e Sebsd c Ad d Sodiu m acetat e Sodiu m ehloroacetate Sorblcaci d Suifolan e Terephthati c ed d Tetrachloroethan e (1,1,2,2-lsomor

) Tetrahydrophthali c anhydrid e Tetramethylenedlamtn e Toluen e 2, 4 diamin e Toluen e 2. 4 diisocyanat e Toluen e diisocyanates (mixture ) Tolutdln o (o-iaomer

) Trichloroethan e (1.1.1 - Isomer ) Trichloroethan e (1, 1 j - Isomer ) (Viny l Trichloride

) Viny l acetat e Vlnyteyclohexen e (4 - Isomer ) Vtnyflden e chlorid e (1.1 - Dlchloroethylene

) GROU P II I Aootoocvtsnttid o Adipicad d AnWnobonzoi

c tc* d Anttfr w hydrocMorfct

oP.2 5

933 8 

### Federa

l Registe r /

Vo l 56 , No
. 44 /

Wednesday , Marc

h 6 , 193 1 /

Propose d Rules »«MMMM»^MM«a^M»M»«a»MM»^MM»»»MaWM«aiM»MBiaaJBg——M^—»C^—^H1 ^

CA S No .
100663 . 116923 . 64651. . 100527 . 55210... . 134816 . 76937 - 65850. . 119539 . 100470 . .98077 - 9668 4 14011 4 10051 8 .12051 4 10044 7 9687 3 10046 9 — 8005 7 6560 7 35913098 . 11691 2
2136814 . 1321035 . 9557 8 108418 -
106434 . 108394 - 1319773 . 95487 — 106445 . 10e918 . 1087214 . 27576041 . 12083 2 — 101837 . 91667 -
64662 - 26761400 . 131113 . 121697 . 99343 . 51265 . 121142 . 9739 2 10208 9 — 12239 4 27193668 . 10369 5 57654 1

121915 . 25168063 . 10843 0 100618 - 108872 - 1331222 . 101688 . 108383 . 99092 - 91236 - 10017 4 .27178632 . 106027 . 68755 — 1321126

. 88722—

. Chemica l Nam e
Anisol e AnthranUi c ad d Anthraquinon e (POM ) BenzakJehyd e Benzamid e BenzO(POM ) Benzili c aci d (POM ) Benzoi c aci d Benzoi n (POM ) BenzoniW

e Benzotrichiorid e - . Benzoy l chlorid e Benzy l Acetat e Benzy l alcoho l Benzy l benzoat e (POM ) Benzy l chlorid e Benzy l dichlorid e Benzylamin e Bispheno i A (POM ) Butylbenzy

t Phthalate Chtorobenzaldehyd e Chlorobenzoi c ad d (al l isomers) Chlorobenzotrichiorid e (al l isomers) Chiorobenzoy l chlorid e Chloropheno l (o-isomer ) CNorotoluen e (m-isomer ) CNorotoluen e (o-isomer ) CNorotoluen e (p-isomer ) Creso l (m-lsomer

)

_ , Cresol s Oesyti c ad d (mixed ) Cresol s (o-isomer

) Cresol s (p-lsomer

) Cydohexylamin e Dialty l Isophthaiate DiaminoberHol c ad d Oichloropheno l (2,4 - Isomer ) Dtcyclohexylamln e (Cidohexytamine) Diethyanilin e (NN iaomer ) Diethy l Phthalate DSsodecy l phthalat e Dimethy l Phthalat e Oimethylaniline-N, N (N, N Diethytaniline

) Oinitrobenzoi e ad d (3,5 - leomer ) Dmrtropheno l (2.4 - Isomer ) DWtrotoluen e (2,4 - isomer ) (DNT ) Di-o-tolyguanidn e Dipheny l thioure a (POM ) Diphenylamin e (POM ) Dodecylpheno l EthytanHin e (N-isomer

) Ethytanilin e (o-iaomer

) Hydroxybenzol c ad d (p IsomeO laophtha- c ad d laopropyipheno

t m-Chloropheno l Methylanilin e (n-isomer ) Methytoydohexan a Methylcydohexanon e Methylen e dipheny l diisocyanat

e (MDi ) M-Xyien e Nitroanilin e (m4aome>

) Nitroeniaol e ( o isomer

) Nitroaniaol e (p-isomer

) Nitrobenzot

e ad d (o-,m- , Sip-isomera

) Nitropheno l (4-iaomer

) Nitropheno l (o-isomer

) (2-Nitropheno O NHiutoiuen e Nitrotoluen e (2-isomer

) CA S No

. 9908 1 9999 0 27193288

. 8786 5 94702 — 156434
. 108952

. 77098

. 88679
- 91407 — 108736

. 68993 — 85449
- 65416
- 91156
- 98511 — 106514
. 69727 — 532321

. 139026
. 566590
. 121573

. 632791
. 117088

. 1333079

. 104154

.

634935

. 25013154

. 25321419

. 1300738 -

107028

. 7910 7 107051

_ 109751

_ 1762954

. 27497514

. 109740 . 75150 — 25586430 . 61178 — 131179 . 109697 . 115106 . 76183 - 67685 - 124403 . 75003 - 111308 . 106694 . 78591 — 106214 . 67561 — 79209 — 105453 . 74839 . 74873 - 60344 . 108112 . 108101 . 624839 . 74931 - 80626 - 74895 - 91203 - 65472 - Chemlca l Nam e
Nitrotoluen e (3-isomer

) Nitrotoluen e (4^aomer

) Octylpheno l Pentachloropheno l Phenetidin e (o-isomer

) Phenetidin e (p-Jsorner

) Pheno l Phenolphthalei n Phenoisultoni c add s (al l Isomers) Pheny l anthranlV

c ad d Phloroghidno l PhthalicAd d Phthali c anhydrid e Phthallmid e Phthalonrtrt

e p-tert-Buty l Toluen e Quinon e Salicyli c ad d Sodiu m benzoat e Sodiu m phenat e Stilben e Sutfanili c ad d Tetrabromophthali c anhydrid e Tetrachtorophthali c anhydrid e Toluenesulfonamid e TolueneauHoni c add s (a l Isomers) Tduenesurfony l chlorid e Trichloreanilin e (2,4,6 - iaomer ) Viny l toluene Xylen e Sulfoni c Ad d Xytidin e • GROU P I V Acrolei n Acryli c ad d Ally ! chlorid e Ally l Cyanid e Ammoniu m Thiocyanal e Bromonaphthalen e (POM ) Butyronltrfl e Carbo n dbulfid e Chtoronaphthaien e (POM ) Decahydronaphthaiat

e Dialty l Phthalat e Diethylamin e Dimethy l ether-N. N Dimethy l sulfid e Dimethy l sulfoxid e Dimethytamtn e Ethy l chlorid e (Chioreethane ) GlutaraJdehyd e Hexanetri d (1.2.6 - laophoion e Isopropy l acetat e Methano l Methy l acetat e Methy l acetoacetat e Methy l bromid e (Bromomethane

) Methy l .chlorid e (CNoromethane ) Methy l Hydrazin e Methy l laobuty l caitm d Methy l laobuty l keton e (Hexone ) Methy l laocyanate Methy l Mercapta n Methy l methacrylat

e Methylamin e Naphthalen e . Naphthalen e sulfoni c ad d (a-lsomer ) (POM ) CA S No .
120183 . 90153 — 135193 . 86577 — 594423 . 75445 — 123386 . 71238 - 640545 . 107108 . 78875 —
124414 . 76002 — 119642 . 121448 . 75503 — 933482 - 2408379 .

105577 . 75865 —

75252 - 141322 . 78922 — 75650 — 86737 -
13952846 . 75649 - 63252 - 9004357 . 75456 — 25167800 . 779094 5 — 420042. 506774 . 106805 . 106770 . 123422 . 137097 . 74953 - 96231 . 461565 . 879666 . 7637 6 26167706 . 27554263 . 674828 . 26675174 . 122510 - 9592 1 7504 7 9004573 . •0556 o — 77474 - 629 1 IB . 74908 — 106638 . 115117 . 463514 .

141797 . 79414 — Chemica l Nam e Naphthalen e sulfoni c - ad d (b-isomer

) (POM ) Naphtho i (a-lsomer

) (POM ) Naphtho i (b-isomer

) (POM ) Nitronaphthalen e (1 - iaomer ) Perchioromethy l mercapta n Phosgen e Propionaldehyd e Propy l alcoho l (n-isomer ) Propy l chlorid e Propylamin e Propylen e CacUorid

e . ( 1 ,2-Dlehloropropane

) J Sodiu m Methooxid e Tetraethy l lea d Tetrahydronapthalen e (Tetrelin ) (POM ) Triethylamin e Trimethylamin e Trimethylcydohexario l Trimethytcydohexanon e GROU P V Aceta l Aceton e cyanohydri n (C N compound ) Alky l naphthalene s (n o CAS f assigned ) (POM ) Bromofor m Buty l acryiat e (n-isomer

) Buty l alcoho l (s-oomer ) Buty l alcoho l (t-isomer ) Buty l benzoi c ad d (c
tert-isomer

) Butytamin e (s-isomer

) Butylamin e (t-isomer ) Carbary l Cellulos e acetat e ChtorodiHuoroethan e Chlorophenol s CNorosuttoni c ad d Cyanamid e Cyanoge n chlorid e (C N compound ) Cyanuricad d Cyanuri c chlorid e Diaceton e alcoho l Diaminophono l Hydrochlorid e Dibromoethan e Dichiorohydri n Dtoyanadimid e DiethytanBin e (2.6 - Dlfluoroethan e Dusobutylen e DVsoocty l phthalate Dtketen e Dodecytanilin e Ethy l orthoformat

e Ethy l oxalat e Ethylamin e EthytceNulos

s Ethytoyanoaoetat

e HexacMorocydopenta Hexamethylen e glyco l Hydroge n Cyanid e (C N Compound ) laobuty l Acrylat

e laobutyien e Keten e - Linea r alky l sulfonat

e (n o CAS f assigned ) Mesity l oxid e MethacryS

e ad dP.2 6


# i Federa l Registe r /

Vo l 56 , No

. 44 /

Wednesday , Marc h 6 , 199 1 / Propose d Rule s 933 9

- CA S No

. 56347 3 9633 3 7893 3
163404 4

_ 7775 8 12101 3 7598 9 2515452 3 8812 0 2532268 3 2532269 4

_... . 2713887 4 900432 4
14333 9 14153 7 9806 6 7574 1 11018 9 775694 7 54084 1 , 5713 6 130071 6 52675 0 „ 10567 9

_ 9587 4 57626 1 95658

. 10668 9 Chemica l Nam e Methally t Chlorid e Methy l Acryiat

e Methy l ethy l keton e (2 - Butanone

) Methy l Ter

t Buty l Ethe r Methylpentyno l n-Dodecylbenzen e Neopentanoi c aci d Nonylpheno l N-Vinyt-2-Pyrrolidin e Polyethylen e glyco l Polypropylen e glyco l Resorcyli c aci d Sodiu m carboxymethy l cellulos e Sodiu m Cyanid e Sodiu m formate tert-Butylbenzen e Tetramethy l lea d Tetramethytethylenedia min e Tnisobutylen e Trimethylpentan e (2,2,4 - isomer ) Ure a Xyleno l Xyleno l (2,3-isomer

) Xyleno l (2,4-isomer

) Xyleno l (2,5-isomer

) Xyleno l (2.6-isomer

) Xyleno l (3,4-isomer

) Xyleno l (3,5-raomer

)

[F R Doc
. 91-488 8 File d 3-5-91 ; 8:45 am ] BILLW O COIX I •580-60-1 1

INTERSTAT E COMMERC E COMMISSIO N 4 9 CF R PAR T 105 3 [E x Part e No

. MC-198 1 Contract s fo r Transportatio n o f Propert y AGENCY : Interstat e Commerc e Commission
. ACTION : Advanc e notic e o f propose d rulemaking
. SUMMARY : Th e Commissio n i s institutin g thi s proceedin g t o conside r amendin g o r repealin g it s regulation s (1 ) Prescribin g th e natur e an d conten to f contract s o f moto r contrac tcarriers , an d (2 ) definin g contrac tshippers
. Th e Commissio n las t considere d change s i n th e contrac t regulation s i n 198 0 whe n i tdelete d th e requiremen ttha tcarrier s fil e copie s o f thei r contracts . Th e purpos e o f thi s proceedin g i s t o reexamin e th e curren t regulation s i n ligh to f industr y experiei.e e sinc e passag e o f th e Moto r Carrie r Ac to f

1980
. DATES : Comment s ar e du e b y Apri l 5 , 1991
. ADORESScS : Th e origina l an d 1 0 copie s o f comment s referrin g t o E x Part e No
. MC-19 8 shoul d b e sen tto : Offic e o f th e Secretary , Cas e Contro l Branch , Interstat e Commerc e Commission , Washington , D C 20423
. FO R FURTHE

R INFORMATIO

N CONTACT : Kennet h H
. Schwart z (202 ) 275-795 8 o r Richar d B
. Felde r (202 ) 275-7691
. [TD D fo r hearin g impaired : (202 ) 275-1721]
. SUPPLEMENTAR

Y INFORMATION : Th e Commissio n i s institutin g thi s proceedin g t o conside r amendin g o r repealin g th e regulation s a t4 9 CF R par t 1053
. Sectio n 1053. 1 prescribe s th e natur e an d conten to f contract s o f

moto r contrac tcarriers ; § 1053. 2 relieve s carrier s o f

certai n valuabl e commoditie s fro m th e requirement s o f 8 1053.1 : an d 81053. 3 define s th e shipper s wit h who m a moto r contrac tcarrie r ma y ente r int o contracts . Th e Commissio n i s particularl y intereste d i n reexaminin g th e requirement s o f

§ 1053. 1 tha t contract s b e i n writing , b e bilatera l an d impos e specifi c obligation s upo n bot h carrie r an d shipper , cove r a serie s o f shipment s durin g a state d perio d o f time , an d b e preserve d fo r a tleas t1 yea r afte r the y ceas e t o b e i n force
. Th e Commissio n las tconsidere d change s i n th e contrac tregulation s i n 198 0 whe n i t delete d th e requiremen ttha tcarrier s file copie s o f

thei r contract s wit h th e Commission
. Th e Commissio n i s awar e tha tth e Moto r Carrie r Ac to f 198 0 retaine d th e distinctio n betwee n moto r contrac t carrier s an d moto r commo n carriers
. I t i s concerned , however , tha tit s regulation s supplementin g th e statutor y definitio n o f

e moto r contrac tcarrie r ma y n o longe r b e appropriat e i n ligh to f change s tha thav e take n plac e i n th e moto r carrie r industr y ove r th e pas t decade
. Th e Commissio n thu s i s solicitin g publi c comment s o n th e wisdo m o f

maintainin g par t105 3 i n it s curren tform
. Som e question s fo r consideratio n ar e a s follows
. Shoul d th e regulation s b e repeale d i n thei r entiret y and , i f so , why ? Wha twoul d b e th e effec to f a repea l o n th e Commission' s abilit y t o fulfil l it s statutor y obligations ? Shoul d th e regulation s b e repeale d i n part ? Fo r instance , shoul d th e Commissio n delet e th e requirement s tha tcontract s b e h i writin g an d tha tthe y b e retaine d fo r a t leas ton e yea r afte r the y ceas e t o b e i n force
. O n th e othe r hand , shoul d th e regulation s b e amplified ? Fo r instance , curren tCommissio n regulation s d o no t requir e tha tcontrac trate s b e state d i n o r b e ascertainabl e fro m th e contract . Shoul d th e Commissio n impos e suc h a requirement ? Similarly , shoul d th e Commissio n amen d th e regulation s t o impos e a requiremen ttha tth e contrac t stat e th e manne r i n whic h th e statutor y contrac tcarrie r criteri a ar e t o b e me t vis-a-vis th e contractin g shipper ? Shoul d th e curren tregulation s b e retaine d withou tmodification ? I tmigh tb e th e cas e tha tth e industr y require s onl y clarificatio n fro m th e Commissio n an d i s no texperiencin g an y difficultie s tha t requir e modificatio n o f th e curren t regulations
. W e encourag e intereste d person s t o submi tcomments . Afte r considerin g th s comments , w e wil l determin e whethe r t o procee d an d what , i f any , specifi c rul e change s t o propose . Additiona l informatio n i s containe d i n th e Commission' s decision
. T o obtai n a cop y o f th e ful l decision , writ e to , call , o r pic k u p i n perso n from : Offic e o f th e Secretary , roo m 2215 , Interstat e Commerc e Commission , Washington , D C 20423
. Telephone : (202 ) 275-7428
. (Assistanc e fo r th e hearin g impaire d i s availabl e throug h TD D services , (202 ) 275-1721. ) Environmenta l an d Energ y Considerations
. W e preliminaril y conclud e tha t amendin g o r repealin g th e regulation s governin g contract s o f moto r contrac t carrier s woul d no tsignificantl y affec t eithe r th e qualit y o f

th e huma n environmen to r th e conservatio n o f energ y resources . Initia l Regulator y Flexibilit y Analysis
. W e preliminaril y conclud e tha t amendin g o r repealin g th e subjec t regulation s woul d no thav e a significan t economi c impac to n a substantia l numbe r o f

smal l entities
. I tI s possibl e tha tsimplificatio n o r eliminatio n o f th e rule s migh tbenefi tsmal l carrier s an d shipper s b y reducin g thei r paperwor k an d enablin g the m t o streamlin e thei r operations
. W e specificall y reques t comment s o n thi s issu e t o assis tu s i n makin g a n initia l finding i n th e even tw e formulat e specifi c proposal s fo r publicatio n i n a futur e notic e o f propose d rulemaking
. Lis to f subject s h i 4 9 CF R Par t105 3 Moto r carriers
. Authority : 4 9 U.S.C
. 10101.10102.10321 , an d 10923
. an d 5 U.S. C 553
. Decided : Februar y 20,1991
. B y th e Commission , Chairma n Philbin , Vic e Chairma n Emmett , Commissioner s Simmons , Phillips , an d McDonald
. Commissione r Simmon s commente d wit h a separat e expression
. Sidne y L
. Strickland , Jr
Secretary. [F R Doc
. 91-528 6 File d 3-5-91 : 8:45 am ] Bium a coo e TOSS-OV

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