P. 1



# OAR Box 1338

Prepped by Ollie Stewart



# Document

Number: 

# 31 ) F

. R

. Marc h 6 , 199 1

Docket Number: 

# A-89-1 0

Printed 6/17/2008 1:48:06

PM Sheet 31 of 105P. 2



### Federa l Registe r/

Vol

. 56 , No

. 44 /

Wedne s sday , Marc h6 , 1

199 1 / Propose dRule s 931 5
Authority : 5 U.S.C

. 552a , th e Privac y Ac t o f 1974 ; 5 U.S.C

. 552 , th e Freedo mo f Informatio n Act a s amende db y Publi c La w 93-502 ; Publi c La w 86-36 , Publi c La

w 88-29 0 an d1 8 U.S.C

. 798

. 2

. Sectio n 299a.l 0 i s propose dt o b e amende db y addin g ane w paragrap h (b](18 ) a s follows : § 299a.1 0 Specifi c exemptions

. **** * (b ) System s o f

record s subjec t

t o specifi c exemptions : * * * (18) System Identification and Name — GNSA18 , NSA/CS S Operation s Files

. Exemption —Portions o

f thi s recordsyste m ma y b e exempte dfro

msubsection s o

f 5 U.S.C

. 552 a(c)(3) , (d)(l)-(5) , (e)(4)(G)-(I) , an d (f)(lH5)

. Authority—5 U.S.C

. 552a(k ) (1) , (2 ) an d(5). " Reasons —Subsection (c)(3 ) becaus e there ma y b e occasion s whe n makin g a n accountin g availabl e t o th e individual name d i n th e recorda t

hi s or he r request , woul d reveal classifie dinformation

. Th e release o f accountin g o

f disclosure woul dinfor

ma subjec t that he o r sh e i s unde r

investigation

. Thi s informatio n woul dprovid e considerabl e advantag e to th e subjec t

i n providin g hi

mor her wit hknowledg e concernin g th e natur e o f th e investigatio n an dth e coordinate d investigativ e effort s an dtechnique s employe db y th e cooperatin g agencies

. Subsectio n (d ) becaus e grantin g acces s and/o r

subsequen t

amendmen t t o th e recor dwoul drevea l classifie d information

. I t

ma y als o aler t

asubjec t t o th e fac t

tha t a h investigatio n of

tha t individua l i s takin g place , an dmigh t weake n th e on-goin g 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 mo r

den y th e existenc e of

a particula r

recor dbecaus e t o d o s o woul drevea l classifie dinformation

. Subsectio n (e)(4)(G) , (e)(4)(H) , an d (e)(4)(I)

. Althoug hth e NSA/CS S ha s publishe dprocedure s whereb y a n individua l ca n b e notifie dif aparticula r recor dsyste mcontain s informatio n abou t themselves ; ho w t o gai n acces s t o tha t information ; an dth e sourc e of th e informatioh , ther e mayb e occasion s whe n confirmin g tha t

arecor dexists , grantin g access , o r

givin g ou t

th e sourc e o f th e informatio n woul drevea l classifie dinformation

. Subsectio n (f

) becaus e th e agency' s rule s ar e inapplicabl e t o thos e portion s ' of th e syste mtha t

ar e exemp t

an d woul dplac e th e burde n o n th e agenc y of eithe r confirmin g o r

denyin g th e existenc e o f

arecor dpertainin g t o a requestin g individua l migh t i n itsel f provid e a n answe r

t o tha t individua l relatin g t o a n on-goin g crimina l investigation

. Th e conduc t o f a successfu l investigatio n leadin g t o th e indictmen t

o f acrimina l offende r preclude s th e applicabilit y o f establishe dagenc y rule s relatin g t o verificatio n o f

record , disclosur e o f

th e recor dt o tha t

individual , an drecor d amendmen t

procedure s fo r

thi s recor d system

. Also , becaus e thi s recor d syste mi s exemp t

fro mth e individua l acces s provision s of

subsectio n (d)

. Dated : Marc h1,1991

. L.M

. Bynum , Alternate OSD Federal

Register Liaison Officer, Department

of Defense. [F RDoc

. 91-526 8 File d3-5-91 ; 8:4 5 am ] BILLIN G COD E 3810-0 1

ENVIRONMENTA L PROTECTIO N AGENCY 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 Leaks AGENCY: Environmenta l Protectio n Agenc y (EPA)

. ACTION : Notic e o f

agreemen t

o n negotiate dregulation

. SUMMARY : Thi s announcemen t summarize s th e majo r

provision s an d concept s o f

th e negotiate drul e fo r volatil e hazardou s ai r

pollutant s fro m equipmen t

leak s a t organi c chemica l manufacturin g facilities , an dpublishe s verbati mth e regulator y languag e agree d t o b y th e negotiatin g committee

. Th e purpos e o f

thi s notic e i s t o infor m intereste dpartie s an dpotentiall y regulate dfacilitie s o f

th e regulator y agreemen t

t o whic hth e committe e ha s concurre di n principle

. O n Apri l 25 , 198 9 (5 4 FR17944) , EP A announce dit s inten t

t o for ma n advisor y committe e t o negotiat e issue s leadin g t o ane w approac hfo r

regulatio n o f

fugitiv e emission s o f

volatil e organic s fro m equipmen t

leak s (pumps , valves , etc. ) associate dwit hchemica l productio n proces s units

. A meetin g wit hintereste d partie s wa s hel di n Washington , D C o n Ma y 15,198 9 t o discus s th e establishmen t

o f suc hacommittee

. O n Septembe r

12,1989 , EP A announce dth e formatio n o f

th e committe e unde r

th e Federa l Advisor y Committe e Ac t (5 4 F R 37725)

. Th e EP A forme dacommitte e includin g representative s o f variou s affecte dindustr y an dtrad e groups , Stat e an dloca l ai r

pollutio n agencies , an da n environmenta l group
. Th e Committe e me t

periodicall y ove r aone-yea r

perio dan dha s successfull y agree di n principl e t o th e provision s an d languag e o f

a n equipmen t

lea k regulation

. Th e Committe e wil l continu e t o wor k o n apreambl e fo r

th e futur e proposa l of

th e rul e an dwil l ente r

int o a fina l agreemen t

afte r th e preambl e i s completed

. Th e EP A plan s t o propos e thi s rul e i n lat e 199 1 a s par t o f hazardou s organi c nationa l emissio n standard s fo r

hazardou s ai r

pollutant s (NESHAP) , o r

NON , tha t

wil l cove r othe r emissio n point s a s wel l a s equipmen t

leak s a t organi c chemica l plants

. ADDRESSES : Docket. A docket , numbe r A-89-10 , containin g 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 hFriday , a t Ai r Docke t Sectio n (LE-131) , Watersid e Mall , roo mM1500 , U

. S

. EPA , 40 1 M Street , SW

. Washington , D C 20460

. A reasonabl e fe e ma y b e charge dfo r copying

. Today' s notic e i s no t a rulemakin g actio n an dth e Agenc y i s no t solicitin g comments

. FO R FURTHE R INFORMATIO N CONTACT : Dr

. Jane t Meye r o r Mr

. Ric k Colyer , telephon e (919 ) 541-525 4 o r 5262 , respectively

. Th e addres s fo r bot hi s Standard s Developmen t Branc h(MD

13) , Emissio n Standard s Division , U.S

. EPA , Researc hTriangl e Park , Nort h Carolin a27711

. SUPPLEMENTAR Y INFORMATION : I

. Backgroun d I n th e earl y 1980's , EP A determine d tha t fugitiv e emission s o f

volatil e organi c compound s (VOC ) an d hazardou s organi c compound s fro m equipmen t

leak s (pumps , valves , etc. ) contribut e significantl y t o ai r qualit y problems

. Th e EP A estimate s tha t equipmen t

lea k emission s accoun t

fo r roughl y one-thir do f

tota l organi c emission s fro mchemica l plants

. Moreover , becaus e the y ar e release d nea r th e ground , th e impac t fro mfugitiv e emission s i s 10 t o 4 0 time s greate r tha n equa l release s fro mstacks

. Recen t report s complete dunde r Sectio n 31 3 o f th e Superfun dAmendment s an d Reauthorizatio n Ac t

(SARA ) include d ove r 385,00 0 ton s pe r

yea r fro mfugitiv e sources
. Existin g regulation s adopte dunde r section s 11 1 an d11 2 o f e Clea n Ai r

Ac t an di n Stat e Implementatio n Plan s (SIP's ) hav e bee n effectiv e i n heightenin g awarenes s o f th e significanc e of

equipmen t

leak s an di n stimulatin g contro l efforts

. Th e rule s basicall y requir e tha t

equipmen t

i n plac e b e inspecte dperiodicall y fo r leak s wit haportabl e hydrocarbo n detector

. I f concentration s i n exces s o f 10,00 0 part s pe r millio n (ppm ) ar e found , th e componen t

i s identifie da s a"leaker " an dmaintenanc e i s required

. Thi sP. 3



### 931 6 Federa l Registe r/ Vol

. 56; , Noi

. 4 4 / ' Wednesday ; March ) 6 , 199 1 / Propose dRule s
approac hi s know n a s "leak detectio n an drepair " (LDAR)

. Whe n thes e rule s wer e established , EP

A estimate dtha t emission s woul db e reduce db y abou t 6 0 t o 70 percen t

an dtha t afte r control , leak frequencie s woul db e approximatel y 5 percent

. Dat agathere dove r

th e pas t coupl e o f year s o n equipmen t

leak s a t som e chemical plant s indicat e tha t lowe r leak frequencie s ca n b e achieved

. Thes e data , however , di dno t

indicat e ho w lo w lea k frequencies coul db e obtaine da t al l chemical plants

. Consequently , EP A sa w anee dfo r ane w approac htha t

woul d establis ha n effectiv e regulatio n tha t woul dachiev e lo w leak

frequencie s a t al l chemical plants

. It

wa s recognize d tha t establishin g suc haregulatio n for a s broa dan dvarie dasourc e category a s chemica l productio n unit s woul db e difficult

. Th e challenge s include d determinin g fo

r al l plant s ho w t o achiev e lo w leak

frequenc y witha simpl e se t o f rules , ho w t o provid e more flexibilit y i n achievin g lo w leak

rate s tha n tha t provide db y LDA

Ralone , ho w t o appl y standard s acros s th e industr y usin g dat afro

monl y apar t

o f th e industry , an dEPA' s nee dt o establis h standard s consisten t

withth e maximu m achievable contro l technolog y (MACT ) requirement s o

f th e Clean Ai r

Ac t Amendment s o

f 1990 (CAAA)

. Accordingly , o n Apri l 25,1989 , EP A announce dit s intentio n t o establis ha committe e t o negotiate : ane w approac h for contro l of

volatil e organi c chemical equipmen t

leak s (5 4 F

R17944] , an d conducte da n initia l informational meetin g o n Ma

y 15,198 9 t o determin e amon g potentially intereste dpartie s whethe r negotiatio n woul db e a desirabl e approach

. Th e participant s a t th e initia l meetin g responde dfavorabl y t o th e concep t

o f negotiation , an do n Septembe r

12,1989 , EP

A establishe da negotiatin g committe e (5 4 F R37725} > Th e Committe e me t

ove r aperio do

f 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 dt o developing , aMACT standar dfo

r equipmen t

leaks

. Th e Committe e member s ar e liste di n Appendi x A.

. Th e Committe e considere dth e man y factor s an duncertaintie s associate d withregulatin g equipmen t leak s a t a wid e variet y o

f chemical plant s an d develope da n acceptabl y balance d approach, , weighin g th e nee dt o b e flexible, , th e technica l uncertainties ; th e requiremen t

fo r MACT standards , an d th e dat alimitations

. A t

th e fina l negotiatin g session , the

. Committe e member s conceptuall y resolve dall 1 

### outstanding , major

issues , an ddecide dt o reac hfinal ; agreemen t

throug ha2-step process
. Th e Committe e member s woul d

firs t agree t o th e regulatory languag e t o b e proposed

. Thi s "agreemen t i n principle " ha s bee n reache db y al l Committe e member s an dth e negotiate d regulator y languag e i s containe di n Appendi x B

. Th e Committe e expect s to ; sig n afinal agreement : after adraf t preambl e t o th e regulatio n describin g i n detai l th e scope , application , effect , an d rational e ha s bee n concurre do n b y th e Committee

. Th e fina

l agreemen t

wil l represen t th e consensu s o

f th e Committe e o n aregulatio n an dpreambl e t o b e propose db y th e Agency , an dal l Committe e mmember s wil l agre e t o support th e regulatio n a s lon g a s EP A propose s an dpromulgate s th e regulatio n an dit s preambl e substantivel y unchange dfro

mthose ' tha t

ar e th e subjec t o f th e final agreement

. Th e consensu s agreemen t reache db y th e Committee , a s spelle dou t i n th e attache dregulatory language , als o serve s t o notif

y nin e chemical companie s o

f voluntary actio n the y previousl y committe dt o taking

. Thes e companie s wer e identifie dprio r t o thes e negotiation s b y EP

A i n it s Ai r

Toxic s Exposur e an dRis k

Informatio n System , (ATERIS ) databas e as
. havin g some : plant s withrelativel y highhealt hrisk. After severa l meeting s betwee n representative s o

f thes e companie s an d EPA , th e companie s agree dt o begi n a voluntary LDA

Rprograman dtimel y implementatio n o

f th e consensu s agreemen t

a s soo n a s th e regulatory - requirement s wer e available

. II

. Summar

y o f Negotiate dStandard s Th e followin g i s agenera l summary o f th e requirement s an dconcept s o f th e negotiate dregulation

. I t

i s no t adetaile d descriptio n o

f th e provisions , no r

doe s i t contain , th e rationale : or

basis , develope d b y th e Committe e fo

r th e variou s provisions ; Th e reade r

i s referre dt o th e actua l negotiate dregulatory languag e (Appendi x B) , fo

r detai l o f specifi c provisions

. Th e purpos e o

f thi s announcemen t

i s t o mak e intereste dparties , an downer s o r operator s potentiall y subject

. to > these

. standard s awar e o

f th e forthcomin g regulatory requirement s s o tha t the y wil l be ; bette r prepare dwhe n th e rul e is : actuall y issued

. Th e covered : chemical s an dprocesse s ar e liste drespectivel y i n § § XX.X8- 1 an dXX.X8- 2 o f the , negotiate drul e (Appendi x B)

. A detaile d preambl e describin g the

. rational e an d basi s fo r th e regulatory requirement s for equipmen t

leak s wil l accompan y th e proposa l o

f th e rule , t o b e contained , withi n abroade r

HON, , coverin g no t onl y equipmen t

leaks, , bu t

also : storage; transfer , proces s vents , an dwastewate r emission s a t

chemical plants.

. Th e HON : i s schedule dfo r proposa l i n Fal l 1991 , withpromulgatio n schedule dfo r Fal l 1992

. Th e Agenc y i s no t

no w soliciting , comment s o n th e attache dregulatory language

. Intereste dperson s wil l hav e a n opportunity t o commen t whe n th e broade r regulatio n i s proposed'

. Applicability. Th e standard s woul d appl y t o equipmen t

i n volatil e hazardou s ai r

pollutan t (VHAP ) servic e 30 0 or mor e hour s per

year associate d withan y o

f the

. 45 3 processe s liste din

. th e negotiate dregulatio n tha t mak e or us e a s areactan t

on e o f th e organi c VHAP s liste di n § XX.X8- 1 o f th e regulation

. The y woul dals o appl y t o equipmen t

handlin g specifi c chemical s fo r alimite dnumbe r

o f non-SOCM I processe s liste di n th e negotiate drule

. Petroleum , refinery ' processe s will ' no t b e coveredb y th e attache dnegotiate d regulation ; aseparate'rulemakin g wil l b e conducted'fo r

thos e processes.
. Th e equipmen t

affecte dar e valves , pumps, , connectors , compressors , pressur e relie f

devices , open-ende d lines , samplin g connectio n systems , instrumentatio n systems , agitators , produc t accumulato r

vessels , an d closed-ven t

system s an dcontro l devices*

. "I n VHAP service " means th e equipmen t

contain s o r

contact s aflui d tha t i s 5 percen t

o r greate r VHAFs.

. Th e standard s woul dals o spli t th e covere dprocesse s into

. 5 distinc t groups ; t o whic hthe

. regulatio n woul dappl y over time

. Th e rul e woul dappl y t o th e firs t grou p 6 months : after

promulgation

. Thereafter , th e rul e woul dbecom e applicabl e t o anothe r

group every 3 month s unti l al l the ' processes , wer e covered

. Pumps and

Valves. The : regulatio n is

. structure dsimilarl y fo

r pump s and

t valves ; Standard s fo

r both'woul db e implemente di n thre e phase s an dboth standards ) hav e associate dqualit y improvemen t

program s (QD?' s)

. Th e firs t an dsecon dphases : for

bothtype s o

f equipment , consis t

o f a n LDAR

. program; , withlowe r

leak , definition s i n th e second ! phase

. Th e LDAR: progra minvolves : a periodic : chec k

fo r organi c vapor ' leaks , withaportabl e instrument ; i f leak s ar e found , the y mus t

b e repaire dwithi n a certai n perio do

f time

. I n th e thir dphase ; th e periodic : monitoring , ( awor k practic e standard ) woul db e couple dwithabas e performanc e leve l (i.e. , allowabl e percen t leaking , components) 1



### . A s par t o f th e bas e program , pump s woul drequir e monthl y monitorin g using ' a n instrumen t

an dweekl y visual , inspection!

. Valve s woul dinitiall y requir e quarterl y monitoring , bu t th e lengt ho f time betwee n monitorin g coul d b e increase di

f th e percen t

leakin g valves demonstrate , incrementall y bette rP. 4

Federa l Registe r/

Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 931 7
performance , a s specifie di 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 i n polymerizin g monome r

service , "leakless " pumps , an dunsafe

- an d difficult-to-monito r

valves

. Owner s o r operator s ca n tak e partia l credi t i n th e calculatio n o f

percen t leakin g valve s fo r valve s permanentl y remove dfro mth e proces s units

. Plant s wit hles s tha n 25 0 valve s i n VHA P servic e ar e subjec t onl y t o LDA Ran dno t

th e bas e performanc e level

. A limite dnumbe r o f "nonrepairable " valves , i

. e. , thos e tha t canno t b e repaire dwithou t

aproces s uni t shutdown , ma y b e exclude di n th e calculatio n o f

percen t leakin g valves

. If th e bas e performanc e level s fo r a typ e o f equipmen t

ar e no t achieved , base do n arollin g averag e of monitorin g results , owner s o r

operator s must , i n th e cas e o f pumps , ente r

int o aQIP , an di n th e cas e o f

valves , eithe r

ente r int o a QI P o r implemen t

monthl y LDAR

. Th e QI P i s aconcep t

tha t enable s plant s exceedin g th e bas e performanc e level s t o eventuall y achiev e th e desire dlevel s withou t incurrin g penalt y o r

bein g i n a noncomplianc e status

. A s lon g a s th e requirement s o f

th e QI P ar e met , th e plan t i s i n compliance

. Th e basi c QI P consist s o f

informatio n gathering , determinin g superio r

performin g technologies , an dreplacin g poore r performer s wit hth e superio r technologie s unti l th e 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 i n term s o f percen t leakin g connector s i n eac hproces s unit

. Th e negotiate d standar dfo r

connector s i s no t

phase d in , i

. e. , th e performanc e leve l applie s a s soo n a s th e rul e i s effective'fo r th e proces s unit

. Consisten t achievemen t

of th e bas e performanc e leve l woul dresul t i n monitorin g bein g require dles s frequently

. Failur e t o achiev e th e bas e performanc e leve l woul dcaus e th e plan t t o remai n i n a n annua l monitorin g cycle

. Specia l provision s woul dappl y t o existin g screwe dconnector s tha t ar e 2 inche s o r les s an dt o connector s tha t ar e inaccessibl e o r

unsafe t o monito r

o r repair

. A limite dallowanc e fo r "nonrepairable " connector s woul db e allowe dif

disturbe dconnector s ar e monitore dwithi n 3 months

. Credit s fo r connector s remove dfro mth e proces s uni t woul db e allowe di n th e calculatio n o f percen t leakin g connector s (o r performanc e level)

. Other equipment. Standard s fo r compressors , open-ende dlines , pressur e relie f devices , samplin g connectio n systems , an dclose dven t system s an d contro l device s remai n essentiall y unchange dfro mexistin g regulation s (se e 4 0 CF Rpar t 6l , Subpar t

V)

. Agitator s mus t

mee t LDu\ R requirements , bu t

hav e n o bas e performanc e levels

. Pumps , valves , connectors , an dagitator s i n heav y liqui d service ; instrumentatio n systems ; an d pressur e relie f

device s i n liqui dservic e ar e subjec t

t o instrumen t

monitorin g onl y if evidenc e o f

apotentia l lea k

i s foun dthroug hsight , sound , o r smell

. Instrumentatio n system s consis t o f smalle r pipe s an dtubin g tha t

carr 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. Unde r

certai n condition s dela y o f

repai r beyon dth e require d1 5 day s ma y b e acceptable

. Example s o f

thes e situation s includ e wher e (1 ) apiec e o f

equipmen t

canno t b e repaire dwithou t

aproces s uni t shutdown , (2 ) equipmen t i s take n ou t

o f VHA P service , (3 ) emission s fro mrepai r wil l excee demission s fro mdela y o f repai r unti l th e nex t

shutdown , (4 ) pump s wit hsingl e mechanica l seal s ar e replace dwit hdua l mechanica l seals , an d(5 ) valv e assembl y supplie s hav e bee n deplete dfro mstocks

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

emissio n limitatio n ma y b e use dif

a n owne r

o n operato r

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

require db y th e standards

. Specifi c alternativ e standard s hav e bee n writte n fo r batc h processe s an denclose dbuildings

. 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 hmonitorin g frequenc y prorate dt o tim e i n use , o r t o periodicall y pressur e tes t th e entir e system

. Enclose dbuilding s ma y foreg o monitorin g if

th e buildin g i s kep t

unde r a negativ e pressur e an dal l emission s ar e route dthroug haclose dven t syste mt o a n approve dcontro l device

. Test methods and

Procedures. Th e
. standard s woul dretai n th e us e o f Metho d2 1 t o detec t

leaks

. Metho d2 1 require s aportabl e organi c vapo r analyze r t o monito r

fo r leak s fro m equipmen t

i n use
. A "leak " i s a concentratio n specifie di n th e regulatio n fo r th e typ e o f

equipmen t

bein g monitore dan di s base do n th e instrumen t

respons e t o methan e (th e calibratio n gas ) i n air

. Th e observe d screenin g valu e ma y requir e adjustmen t fo r respons e facto r

relativ e t o methan e if th e weighte drespons e facto r o f th e strea mexceed s aspecifie dmultiplier

. Metho d1 8 i s t o b e use dt o determin e organi c conten t

o f aproces s stream

. Tes t procedure s usin g eithe r aga s liqui d testin g o r

afo r pressur e th e batc h syste mar e specifie dt o detec t fo r leaks

. Recordkeeping. Th e standard s woul d requir e areadil y accessibl e recordkeepin g system

. Record s require d includ e identificatio n o f equipmen t

tha t woul db e covere db y th e standards , identificatio n of

equipmen t

tha t i s foun d t o b e leakin g durin g amonitorin g perio d an dwhe n i t

i s repaired , testin g associate dwit hbatc hprocesses , desig n specification s o f

close dven t

system s an dcontro l devices , tes t result 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 db y equipmen t i n QIP

. Othe r

recordkeepin g requirement s als o apply , an dth e reade r i s referre dt o tha t sectio n o f

th e negotiate drul e fo r mor e detai l (se e Appendi x B)

. Reporting. Owner s an doperator s woul db e require dt o submi t a n initia l repor t tha t describe s th e sourc e an da summar y o f

th e equipmen t

subjec t t o thes e standards

. Ever y si x months , a repor t mus t b e submitte dtha t summarize s th e result s o f monitorin g an dperformanc e test s conducte ddurin g tha t period , change s t o th e proces s unit , change s i n monitorin g frequenc y o r monitorin g alternatives , and/o r initiatio n o f

aQIP

. Report s ca n b e submitte do n electroni c medi awher e acceptabl e t o bot hth e Administrato r an dth e owne r

o r operator

. Dated : February 25,1991

. Willia mG

. Rosenberg , Assistant Administrator

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

. Ajax , EPA

. AlfredBickum, Internationa l Institut e fo r Syntheti c Rubber

Producers

. Bruc e Bowers , Standar dChlorine

. LindaCurran , Amoc o Oil

. Davi dDoniger/Alle n Hershkowitz , Natura l Resource s Defens e Council

. Davi dDunn , Sterlin g Chemicals , Inc

. Larr y Goodheart/Elle n Siegler , American Petroleu mInstitute

. Jack Kace , Pharmaceutical Manufacturer s Association

. Thoma s Kittleman , Chemica l Manufacturer s Association

. Rober t Majewski , Northeas t

State s fo r Coordinate dAir

Us e Management

. Le s Montgomery , Texa s Air Contro l Board

. Harve l Rogers , Jefferson Count y (Kentucky ) Air Pollutio n Contro l District

. Gustav e Vo

n Bodungen , Louisian a Department

o f Environmental Quality

. Facilitato r Philip J

. Harter , Esq. , Consultan t to EPA

. Observe r Nicola s Garcia , Office o

f Management

an d Budget

.P. 5



### 931 8 Federa l Registe r/ Vol . 56,

. No ; 4 4 / ' Wednesday , Marc h6 , 199 1 / Propose dRule s Appendi x B—Nationa

l Emissio n Standard : ForEquipmentLeak s (Fugitiv e Emissio n Sources) : Sectio n XX.X

O Applicability an d Designatio n o

f Source s (a) Th e provision s o

f thi s subpar t appl y t o pumps , compressors , agitators , pressur e relie f

devices , samplin g connectio n systems, , open-ende dvalve3

. o r lines , valves , connectors , produc t accumulato r

vessels , instrumentatio n • systems , an dcontro l device s or systems , require db y thi s subpar t

tha t ar e intende dto operat e i n volatil e hazardou s ai r

pollutan t (VHAP ) servic e 30 0 hour s o r mor e durin g th e calenda r yea r withi n aproces s uni t

liste di n (1 ) Paragrap h(b

p of thi s sectio n tha t use s a s areactan t

or make s a s a n intermediat e o r

final produc t

an y o f th e chemical s liste di n §XX.X8-1 , 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 th e followin g proces s unit s a s liste di n § , XXJC8- 2 o n an dafte r th e designate ddates : (i) Group I I (.M

I yea r after promulgation ) (ii ) Group II : ( % year

after promulgation ) (iii ) Group III : ( 1 year

after promulgation ) (iv) Group IV : (lVi

i year s after promulgation ) (v) Group V : (lVf

e year s after promulgation ) (2 ) Th e owne r

or operato r o f a n affecte dproces s uni t

i n alate r group ma y elec t t o appl y th e applicability dat e o f a n earlie r

group
. (3 ) Any proces s uni t

liste di n § XX.X8- 2 tha t

doe s no t us e a s a reactan t or mak e a s a n intermediat e o r fina l produc t an y o f th e chemical s liste d i n § XX.X8- 1 i s exemp t

fromth e provision s i n § XX.Xa- 1 throug h § XX.X2-13

. Th e owne r

o r operato r shal l maintai n record s a s require di n § XX.X 8 (k)

. (c ) Th e provision s o

f thi s subpar t appl y ( 6 month s after

publicatio n o

f th e final rul e i n th e Federa

l Registert o th e th e followin g proces s units, , an d designate dVHAP s only , a s define di n § XX.Xl : (1 ) Styrene-butadien e ruhbe r productio n (butadiene , styrene) ; (j2 ) Polybutadien e productio n (butadiene)

. (3 ) Chlorin e productio n (carbo n tetrachloride)

. (4) Pesticid e productio n (carbo n tetrachloride , methylen e chloride , ethylen e dichloride)

. (5 ) Chlorinate dhydrocarbo n us e (carbo n tetrachloride , methylen e chloride , tetrachloroethyl'ene , chloroform , an dethylen e dichloride)

. (6 ) Pharmaceutica l production , (carbo n tetrachloride , methylen e chloride)

. (7 ) Miscellaneou s butadien e us e (butadiene)

. (d ) Whil e th e provisions : o

f thi s subpar t ar e effective , equipmen t

t o whic hthi s subpar t

applie s tha t

ar e als o subjec t t o th e provision s o

f (1 ) 40 CF Rpar t 60 , wil l b e require dt o compl y onl y wit hthe

. provisions , o f thi3 ; subpart , excep t

fo r eac hpum

p an d compresso r

equippe dwith : adua l mechanica l sea t

syste mtha t

i s i n VO C service , o r (2 ) 40 CF Rpar t 61 , wil l b e require dt o comply onl y withth e provision s o f thi s subpar t (e) Th e provision s of

thi s subpar t

d o no t appl y t o an y pefroleu mproces s uni t regardless : o

f whethe r th e uni t supplie s feedstocks , tha t

includ e chemical s listed ! i n fXXJfa-l 1


### , t o chemical , processe s tha t ar e subjec t

t o th e provision s o

f this : subpart

. Sectio n XX.X 1 Definition s All term s use di n thi s subpar t shall ! have ' th e meanin g given* the mi n the

. Act, , i n subpar t A o f 40 CF Rpar t 63 , an di n thi s sectio n a s follows : Batch Process: means aprocess : in ' whic hth e equipmen t

i s fe d intermittentl y o r

discontinuously.

. Processin g the n occur s i n thi s equipment after whic hth e equipmen t

i s generall y emptied

. Examples ; o

f industrie s tha t

use ; batc hprocesse s includ e pharmaceutical ! productio n and

. pesticid e production

. Batch product-process equipment train means : th acollectio n of equipment (e.g. , connectors , reactors, , valves; , pumps, , etc. ) configure dt o produc e a specifi c produc t

or intermediat e b y a batc hprocess
Chlorinated

hydrocarbon use. mean s a
. proces s tha t

produce s on e o r

more o f th e followin g products , using ' chloroform , carbo n tetrachloride , ethylen e dichloride , methylen e chlorid e o r tetrachlbroethylene : chlorinate d paraffins , Hypalon® , QBPA/1.3-

- diisocyanate , polycarbonate , pofysulfid'e ' rubber , an dsymmetrica l terrachloropyridiene : Chlorine production means aproces s tha t use s carbo n tetrachloride-a s a diluen t fo r nitroge n trichlorid e or

a s a scrubbin g liqui dt o recove r chlorin e from' th e liquefaction

- o

f tai l gas
. ClosedJoop system > mean s a n enclose dsyste mtha t

returns ' proces s flui dto' th e proces s an di s no t vented 1 

### t o th e atmospher e excep t

throug haclosed*

- ven t system

. Closed-vent

system mean s asyste m tha t i s no t ope n t o atmosphere'and ! tha t i s compose do f

piping , connection s and , if necessary , flow-inducing'devices * tha t transpor t ga s o r vapo r from& piece-o r piece s o f equipmen t

to

. acontro l devic e or bac k int o the-process

. Connector

means flanged , screwed^ or othe r joine dfitting s use dt o connec t tw o pip e lines ' or

apip e lin e an dapiec e o

f equipment

. A commo n connecto r i s a
. flange

. Joine dfitting s welde dcompletel y aroun dth e circumferenc e o f th e interfac e ar e no t

considere dconnector s fo r th e purpos e o

f thi s regulation

. Fo r th e purpos e o

f reportin g an d recordkeeping , connecto r means ^ joine d fitting s tha t

ar e no t inaccessible ; glass , o r glass-line da s describe di n § XX.X2

- 13(1)

. Control device, mean s a n enclose d combustio n device , vapo r recovery syste m(includin g device s use dfo r temporary recovery an dultimat e disposal, , suc ha s carbo n adsorption) ; o r flare*

. Double block

and breed system mean s tw o bloc k valve s connecte dm series

withablee dvalv e or

lin e tha t can ven t th e lin e betwee n th e tw o bloc k valves

. Equipment

means eac hpump ; compressor , agitator , pressur e relie f device , sampling , connection * system , open-ende dvalv e o r

line, , valve , connector , produc t

accumulato r

vessel , an dinstrumentatio n syste min

. VHAP service ; an dan y contro l device s o r system s require db y thi s subpart

. First attempt at repair mean s t o take , actio n fo r th e purpos e o

f stoppin g o r reducin g leakag e o

f organi c materia l t o th e atmosphere

. In food/medical

service mean s tha t

a piec e o f equipment , i n VHAP servic e contact s aproces s strea muse dt o manufactur e aFoo dan dDrug

. Administratio n regulate dproduc t wher e leakag e o f abarrie r flui dint o th e proces s strea mwoul dcaus e an y o f th e following : (1 ) A dilutio n o

f produc t qualit y s o tha t th e produc t

woul dno t

mee t writteni specifications , (2) i A n exothermi c reaction whic hi s a safety hazard , (3) , Th e intended'reactio n t o b e slowe d dow n or stopped , o r (4 ) An undesire dsid e reactio n to occur ; In gas/vapor

service -means tha t

a ' piec e o f equipmen t

in

- VHAP servic e contain s aga s o r

vapo r a t operatin g conditions ; In heavy liquid

service mean s tha t

a piec e o f equipmen t

i n VHAP servic e i s no t i n gas/vapo r

servic e o r

in 1 

### ligh t liqui d service

. In light liquid'service mean s tha t a piec e of equipment

i n VHAP servic e contains * aliqui dtha t

meet s th e following

- conditions: 'P. 6



### Federa l Registe r

/ Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 931 9 (1 ) Th e vapo r

pressur e o

f on e or mor e o f th e VHAP s i s greate r

tha n 0. 3 kilopascal s (kPa) a t

20°C ; (2 ) Th e tota l concentratio n o f th e pur e VHAP constituent s havin g avapo r pressur e greate r

tha n 0. 3 kP aa t

20° C i s equa l t o or

greate r tha n 2 0 percen t b y weight o f th e tota l proces s stream ; an d (3 ) Th e flui di s aliqui dat

operatin g conditions

. (Note : Vapo r

pressure s ma

y b e determine d b y th e method s describe din § 60.48 5 (e)(1).)

- 

### In liquid service mean s tha t

apiec e o f equipmen t

i n VHA P servic e i s no t

i n gas/vapo r service

. In vacuum service means tha t equipmen t

i s operatin g at

a n interna l pressur e whic hi s a t

leas t 5 kP abelo w ambien t pressure
. In VHAPservice mean s tha t apiec e o f equipmen t

eithe r contain s o r

contact s afluid(liqui dor

gas ) tha t i s a t leas t 5 percen t b y weight

avolatil e hazardou s ai r pollutan t (VHAP ) a s determine d accordin g t o th e provision s o f § XX.X5(d)

. Th e provision s o f § XX.X5(d

) als o specif

y ho w t o determin e tha t

apiec e o f equipmen t

i s no t i n VHA P service

. In VOC service means , fo

r th e purpose s o

f thi s subpart , that : (1 ) Th e piec e o

f equipmen t

contain s o r contact s aproces s flui dtha t i s a t leas t 1 0 percen t VO C b y weight

(se e 40 CF

R 60. 2 fo r th e definitio n o

f volatil e organi c compoun do r

VOC , an d4 0 CF

R60.485(d

) t o determin e whethe r

apiec e o f equipmen t

i s no t i n VO C service ) an d (2 ) Th e piec e of

equipmen t

i s no t i n heav y liqui dservic e a s define di n 4 & CF R60;481

. In-situ sampling systems mean s nonextractiv e sampler s or
. in-lin e samplers

. Instrumentation system mean s a group o f equipment

component s use dt o conditio n an dconve y asampl e o f th e proces s flui dt o analyzer s an d instrument s fo

r th e purpos e o

f determinin g proces s operatin g condition s (e.g. , composition , pressure , flow ; etc.)

. Valve s an dconnector s ar e th e predominan t

typ e of equipmen t

use d i n instrumentatio n systems ; however , othe r type s of equipmen t

may als o b e include di n thes e systems

. Onl y valves nominall y 0. 5 inches an dsmalle r an d connector s nominall y 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 nominall y 0. 5 inche s an d connector s greate r

tha n nominall y 0.7 5 inche s associate dwithinstrumentatio n system s ar e no t

considere dpar t

o f instrumentatio n system s an dmus t b e monitore dindividually

. Liquids dripping mean s an y visibl e leakag e fromth e sea l includin g dripping , spraying , misting , clouding , an dic e formation

. Indication s o f

liqui ddrippin g includ e puddlin g or

ne w stain s tha t

ar e indicativ e o

f a n existing , evaporate d drip. Miscellaneous butadiene us e mean s a proces s tha t

produce s on e or

more o f th e followin g butadien e products : tetrahydrophtali c anhydrid e (THPA) , methylmethacrylatebutadien e styren e (MBS ) resins , Captan® , Captafol® , 1,4

- hexadiene , adiponitrile , dodecanedioni c acid , butadienefurfural cotrimer , methylmethacrylat e acrylonitrile

butadien e styren e (MABS ) resins , an d ethyliden e norbornene

. Nonrepairable mean s tha t it i s technicall y infeasibl e t o repai r apiec e o f equipmen t

fro mwhic haleak

ha s bee n detecte dwithou t

aproces s uni t shutdown

. Open-ended

valve or line mean s an y valve , excep t

pressur e relie f

valves , havin g on e sid e o f

th e valv e sea t

i n contac t withproces s flui dan don e sid e ope n t o atmosphere , eithe r directl y o r throug hope n piping

. Pesticide production mean s aproces s tha t use s on e or

more o f th e followin g chemical s a s areactan t

o r aprocessin g ai di n th e synthesi s o

f apesticid e intermediat e o r

product : carbo n tetrachloride , ethylen e dichloride , an d methylen e chloride

. Petroleum mean s th e crud e oi l o r natura l ga s liquid s remove dfro mth e earthan doil s derive dfro

mta r sands , shale , an dcoal

. Petroleum refining process unit mean s aproces s uni t

tha t fo r th e purpos e o

f producin g transportatio n fuel s (suc ha s

. gasolin e an ddiese l fuels) , heatin g oil s (suc ha s distillat e an dresidua l fue l oils) , o r lubricants ; separate s petroleum ; o r separates , cracks , o r

reform s unfinishe d petroleu mderivatives

. Example s o f suc h unit s include , bu t

ar e no t limite dto , alkylatio n units , catalyti c hydrotreating, catalyti c hydrorefining

. catalyti c hydrocracking , catalyti c reforming , catalyti c cracking , crud e distillation , an dthermal processes
. Pharmaceutical

production mean s a proces s tha t

synthesize s pharmaceutica l intermediat e o r

final product s usin g carbo n tetrachlorid e o r

methylen e chlorid e a s areactan t

or proces s solvent

. Plant site means acontiguou s o r adjoinin g are aunde r

th e contro l of

a singl e owne r

o r operato r tha t contain s on e or mor e proces s unit s t o whic hthes e standard s apply

. Plan t

sit e doe s no t includ e thos e unit s t o whic hthes e standard s d o no t

apply

. Polybutadlene production mean s a proces s tha t

produce s polybutadien e throug hth e polymerizatio n o f 1,3

- butadiene

. Polymerizing monomer

mean s a molecul e or

compoun dusuall y containin g carbo n an do f relativel y lo w molecula r weight an dsimpl e structur e (e.g. , hydroge n cyanide , acrylonitrile , styrene) , whic hi s capabl e o f conversio n t o polymers , syntheti c resin s o r elastomer s b y combinatio n withitsel f du e to hea t

generatio n cause db y a pum p mechanica l sea l surface , contaminatio n b y asea l fluid(e.g. , organi c peroxide s o r

chemical s tha t

will for morgani c peroxides] , o r

a combinatio n o

f bothwit hth e resultan t polyme r buildu p causin g rapi d mechanica l sea l failure

. Pressure release mean s th e emissio n o f material s resultin g fro

mth e syste m pressur e bein g greate r

tha n th e se t pressur e o

f th e pressur e relie f

device

. Proces s uni t

mean s equipmen t

that use s or produce s aVHA

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

final products , an d i s liste di n § XX.XO(b

) an d(c)

. Fo r

th e purpos e o f thi s regulation , proces s uni t include s al l equipmen t

associate dwit

h th e uni t proces s operatio n (e.g. , reactors , distillation , etc.) , storag e an dtransfe r o f fee dmateria l t o th e uni t

proces s operatio n an dfinal o r

intermediat e produc t fromth e uni t

proces s operation , an doperation s treatin g wastewate r fro mth e uni t

proces s operation

. Process unit

shutdown means awor

k practic e or

operationa l procedur e tha t stop s productio n fro

maproces s uni t

or par t o f aproces s uni t

durin g whic hit

i s technicall y feasibl e to^clea r proces s materia l from aproces s uni t o r part o f a proces s uni t

consisten t

wit hsafety constraint s an ddurin g whic hrepair s ca n b e effected

. An unschedule dwor k practic e or

operationa l procedur e tha t stop s productio n from aproces s uni t or par t o f aproces s uni t

fo r les s tha n 2

4 hour s i s no t

aproces s uni t

shutdown

. A n unschedule dwork

practic e o r operationa l procedur e tha t woul dsto p productio n from aproces s uni t or par t o f aproces s uni t

fo r ashorte r perio do f time tha n woul db e require dto clear th e proces s uni t

o r part o f th e proces s uni t o f material s an dstar t

up th e unit , an d woul dresul t

i n greate r

emission s than delay o f repai r of leakin g component s unti l th e nex t

schedule dproces s uni t shutdown , i s no t

aproces s uni t shutdown

. Th e us e o

f spar e equipmen t an dtechnicall y feasibl e bypassin g o f equipmen t

withou t stoppin g productio n ar e no t proces s uni t

shutdowns

. Product accumulator

vessel means an y distillat e receiver , bottom s receiver , surg e contro l vessel , or

produc t separato r i n VHAP servic e tha t

i s vente dt o th e atmospher e eithe r directl y withou t firs t goin g throug hapressur e relie f devic e o r throug havacuu m producin g system

. A produc t accumulato r

vessel i s i n VHA

P servic e i fP. 7

932 0 Federa l Registe r/ Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s

th e liqui do r

th e vapo r

i n th e vesse l i s a t leas t 5 percen t

b y weigh t

VHAP

. Repaired mean s tha t

equipmen t

i s adjusted , o r

otherwis e altered , t o eliminat e alea k

a s define di n th e applicabl e section s of

thi s subpart

. Screwed connector

mean s athreade d pip e fittin g wher e th e thread s ar e cu t o n th e pip e wal l an dth e fittin g require s onl y tw o piece s t o mak e th e connectio n (i.e. , th e pip e an dth e fitting)

. Semiannual

mean s a6-mont hperiod ; th e firs t semiannua l perio dconclude s o n th e las t da y o f th e las t mont hdurin g th e 18 0 calenda r

day s followin g initia l startu p fo r

ne w sources ; an dth e firs t semiannua l perio dconclude s o n th e las t da y o f th e las t mont hdurin g th e 18 0 calenda r day s afte r

th e effectiv e dat e o f aspecifi c subpar t

tha t reference s thi s subpar t fo r existin g source s unles s a n earlie r mont hi s designate db y th e owne r o r operator

. Sensor mean s adevic e tha t

measure s aphysica l quantit y o r

th e chang e i n a physica l quantity , suc ha s temperature , pressure , flo w rate , pH , o r liqui dlevel

. Set pressure mean s th e pressur e a t whic haproperl y operatin g pressur e relie f devic e begin s t o ope n t o reliev e atypica l proces s syste moperatin g pressure
. Startup mean s th e settin g i n operatio n o f aproces s uni t

o r contro l device

. Styrene-butadiene rubber production mean s aproces s tha t

produce s styrene

butadien e copolymers , whethe r i n soli d (elastomer ) o r

emulsio n (latex ) form

. Volatile hazardous air

pollutant o r VHAPmean s asubstanc e liste di n § XX.X8-1

. Sectio n XX.X2- 1 Standards*

. Genera l (a ) Eac howne r

o r operato r subjec t t o th e provision s o f

thi s subpar t

shal l demonstrat e complianc e wit hth e requirement s o f

§ XX.X2- 1 to , § XX.X2

- 1 3 fo r eac hne w an dexistin g sourc e a s require di n 4 0 CFR61.05 , excep t a s provide di n § XX.X 3 an d§ XX.X4

. (b ) Complianc e wit hthi s subpar t wil l b e determine db y revie w o f records , revie w o f

performanc e tes t

results , an d

' inspectio n usin g th e method s an d procedure s specifie di n § XX.X5

. (c)(1 ) A n owne r

o r operato r ma y reques t adeterminatio n o f

alternativ e mean s o f emissio n limitatio n t o th e requirement s of

§ XX.X2-2 , § XX.X2-3 , § XX.X2-5 , § XX.X2-6 , § XX.X2-7 , § XX.X2-3 , § XX.X2-9 , § XX.X2-11 , § XX.X2-12 , an d§ XX.X2-1 3 ar e provide di n § XX.X4

. [2 ) -I f th e Administrato r

make s a determinatio n tha t

amean s o f

emissio n limitatio n i s apermissibl e alternativ e t o th e requirement s o f

§ XX.X2-2 , § XX.X2-3 , § XX.X2-5 , § XX.X2-6 , § XX.X2-7 , § XX.X2-3 , § XX.X2-9 , § XX.X2-11 , § XX.X2-12 , an d§ XX.X2

- 13 , th e owne r

o r operato r shal l compl y wit hth e alternative

. (d ) Eac hpiec e of

equipmen t

i n a proces s uni t

t o whic hthi s subpar t applie s shal l b e identifie dsuc htha t i t ca n b e distinguishe dreadil y fro m equipmen t

tha t i s no t subjec t t o thi s subpart

. Identificatio n o f th e equipmen t doe s no t requir e physica l taggin g o f th e equipment

. Fo r

exampl e th e equipmen t ma y b e identifie do n aplan t sit e plan , i n lo g entries , o r

b y designatio n o f

proces s uni t boundarie s b y som e for mo f weatherproo f

identification

.

. (e ) Equipmen t

tha t i s i n vacuu m servic e i s exclude dfro mth e requirement s o f

§ XX.X2- 2 t o § XX.X2

- 1 3 if i t i s identifie da s require di n § XX.X6(b)(5)

. (f ) Equipmen t

tha t i s i n VHA P servic e les s tha n 30 0 hour s pe r

calenda r

yea r i s exclude dfromth e requirement s o f § XX.X2- 2 t o § XX.X2-1 3 an d§ XX.X4- 2 if i t i s identifie da s require di n § XX.X6(b)(7)

. (g ) Th e provision s fo r

existin g proces s unit s appl y t o proces s unit s tha t commence dconstructio n o r reconstructio n befor e [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

whic h commence s o n o r

afte r [Insert date of publication of

proposal nil in the Federa l Register]
. Sectio n XX.X2- 2 Standards : Pump s i n Ligh t Liqui dServic e (a ) Th e provision s o f

thi s sectio n appl y t o eac hpum p tha t i s i n ligh t

liqui d service

. (1 ) Th e provision s ar e implemente do n th e specifie dapplicabilit y date s designate di n § XX.XO(b ) fo r existin g an dne w proces s unit s i n th e phase s specifie dbelow : (i ) Fo r eac hgrou p o f

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

th e standar dare : (A ) Phas e I , 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 III , beginnin g 2 M s year s afte r th e applicabilit y date

. _(ii ) Fo r ne w proces s units , th e applicabl e phase s of

th e standar dare : (A ) Afte r initia l startup , compl y wit h th e Phas e I I requirements

. (B ) Beginnin g 1 yea r

afte r startup , compl y wit hth e Phas e II I requirements

. (2 ) Th e owne r

o r operato r o f a n affecte dproces s uni t

ma y elec t

t o mee t th e requirement s o f

alate r phas e durin g

, th e tim e perio dspecifie dfo r a n earlie r phase

. (b ) (1 ) Th e owne r

o r operato r

o f a n affecte dproces s uni t

shal l monito r

eac h pum p monthl y t o detec t leak s b y th e metho dspecifie di n § XX.X5(b ) an d shal l compl y wit hth e requirement s o f paragraph s (a ) throug h(d ) o f thi s section , excep t

a s provide di n § XX.X2

- 1(c ) an dparagraph s (e ) throug h(h ) o f thi s section

. (2 ) Th e instrumen t

reading , a s determine db y th e metho da s specifie d i n § XX.X5(b) , tha t

define s alea k

i n eac hphas e o f

th e standar dis : (i ) Fo r Phas e I , a n instrumen t readin g o f 10,00 0 pp mo r

greater

. (ii ) Fo r Phas e II , a n instrumen t readin g o f 5,00 0 pp mo r

greater

. (iii ) Fo r Phas e III , a n instrumen t readin g o f (A ) 5,00 0 pp mo r

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

greate r fo r pump s i n food/medica l service , an d (C ) 1,000 pp mo r

greate r fo r al l othe r pumps
. (3 ) Eac hpum p shal l b e checke db y visua l inspectio n eac hcalenda r wee k fo r indication s o f

liquid s drippin g fro m th e pum p seal

. If

ther e ar e indication s o f liquid s drippin g fro mth e pum p seal , a lea k i s detected

. (c ) (1 ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 1 5 calenda r

day s afte r

i t i s detected , excep t

a s provide di n paragrap h(c ) (3 ) o f

thi s sectio n o r § XX.X2-10

. (2 ) A firs t attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r th e lea k i s detected

. Firs t

attempt s a t repai r include , bu t

ar e no t limite dto , th e followin g practice s wher e practicable : (i ) Tightenin g o f

packin g glan dnuts

. (ii ) Ensurin g tha t

th e sea l flus hi s operatin g a t

desig n pressur e an d temperature

. (3 ) Fo r pump s i n Phas e II

I t o whic ha 1,000 pp mlea k

definitio n applies , repai r i s no t require dunles s a n instrumen t readin g o f

2,00 0 pp mo 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 firs t

monitorin g perio dwhethe r

t o calculat e percen t leakin g pump s o n aproces s uni t basi s o r o n aplan t

sit e basis

. Onc e th e owne r o r operato r ha s decided , al l subsequen t percen t calculation s shal l b e mad e o n th e sam e basis

. (2 ) If , i n Phas e III, calculate do n a6

- mont hrollin g average , th e greate r of eithe r 1 0 percen t

o f th e pump s i n a proces s uni t

(o r plan t site ) o r 3 pump s i n aproces s uni t

(o r plan t site ) leak , th e owne r o r operato r shal l implemen t

a qualit y improvemen t

progra mfo r

pump s tha t complie s wit hth e requirement s o f § XX.X3-2

. (3 ) Th e numbe r

o f pump s a t

aproces s uni t (o r plan t site ) shal l b e th e su mo f al lP. 8

Federa l Registe t

/ Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 932 1

th e pump s i n VHA P service , excep t tha t pump s foun dleakin g i n acontinuou s proces s uni t

withi n 1 mont hafte r

startu p shal l no t coun t i n th e percen t

leakin g pump s calculatio n fo r

tha t on e monitorin g perio donly

. (4 ) Percen t

leakin g pump s shal l b e determine db y th e followin g equation : PL=((PL-PS)/(PT-PS))X10 0 where : %P t =percen t

leakin g pump s P L —numbe r o f pump s foun dleakin g a s determine dthroug hmonthly monitorin g a s require di n paragraph s (b ) (I ] an d(2 ) o f thi s sectio n P T =Tota t pump s i n VHA

P service , includin g thos e meetin g th e criteri ai n paragraph s (e) an d(f ) o f thi s sectio n P s =numbe r

o f pump s leakin g withi n 1 mont h o f startu p durin g th e curren t monitorin g perio d (e ) Eac hpum p equippe dwit hadua l mechanica l sea l syste mtha t include s a barrie r flui dsyste mi s exemp t fromth e requirement s o f

paragrap h(b ) o f

thi s section , provide dth e followin g requirement s ar e met : (1 ) Eac hdua l mechanica l sea l syste m is : (i ) Operate dwit hth e barrie r flui da t a pressur e tha t

i s a t al l time s greate r

tha n th e pum p stuffin g bo x pressure ; o r (ii ) Equippe dwit habarrie r flui d degassin g reservoi r

tha t i s connecte db y aclosed-ven t

syste mt o acontro l devic e tha t complie s wit hth e requirement s o f § XX.X2-11 ; or
. (iii ) Equippe dwit haclosed-loo p syste mtha t

purge s th e barrie r

flui dint o aproces s stream

. (2 ) Th e barrie r

flui di s no t

i n light

liqui dVHA P service

. (3 ) Eac hbarrie r

flui dsyste mi s equippe dwit hasenso r tha t wil l detec t failur e o f th e sea l system , th e barrie r flui dsystem , o r

both

. (4 ) Eac hpum p i s checke db y visua l inspectio n eac hcalenda r wee k fo r indication s o f

liquid s drippin g fromth e pum p seal

. (i ) If ther e ar e indication s o f liqui d drippin g fromth e pum p sea l a t th e tim e o f th e weekl y inspection , th e pum p shal l b e monitore da s specifie di n § XX.X5(b ) t o determin e th e presenc e o f VHA P i n th e barrie r

fluid. (ii ) I f a n instrumen t

readin g o f

1,000 pp mo r greate r i s measured , alea k

i s detected

. (5 ) Eac hsenso r

a s describe di n paragrap h(e ) (3 ) o f

thi s sectio n i s observe ddail y o r

i s equippe dwit ha n alar munles s th e pum p i s locate dwithi n th e boundar y o f

a n unmanne dplan t

site

. (6 ) (i ) Th e owne r

o r operato r determines , base do n desig n consideration s an doperatin g experience , criteri aapplicabl e t o th e presenc e an dfrequenc y o f drip s an dt o th e senso r tha t indicate s failur e o f

th e sea t system , th e barrie r

flui dsystem , o r both

. (ii ) If indication s o f

liquid s drippin g fromth e pum p sea l excee dth e criteri a establishe di n paragrap h(e)(6)(i ) o f thi s section , o r

if , base do n th e criteri a establishe di n paragrap h(e)(6 ) (i ) o f thi s section , th e senso r

indicate s failurero f th e sea l system , th e barrie r flui dsystem , o r both , alea k

i s detected

. (iii ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 1 5 calenda r

day s afte r

i t i s detected , excep t

a s provide di n § XX.X2-10

. (iv ) A firs t

attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r eac hlea k

i s detected

. (f ) An y pum p tha t

i s designe dwit hn o externall y actuate dshaf t penetratin g th e pum p housin g i s exemp t from paragraph s (b)(1 ) an d(2 ) o f thi s section

. (g ) An y pum p equippe dwit haclosed

ven t syste mcapabl e o f

capturin g an d transportin g an y leakag e fromth e sea l o r seal s t o acontro l devic e tha t complie s wit hth e requirement s o f § XX.X2-1 1 i s exemp t

fromth e requirement s o f

paragraph s (b)-(e)

. (h ) An y pum p tha t

i s locate dwithi n th e boundar y o f

a n unmanne dplan t

sit e i s exemp t

fromth e weekl y visua l inspectio n requiremen t o f paragraph s (b ) (3 ) an d(e ) (4 ) o f

thi s section , an dth e dail y requirement s o f

paragrap h(e ) (5 ) o f thi s section * provide dtha t eac hpum p i s visuall y inspecte da s ofte n a s practicabl e an da t

leas t monthly

. ' Sectio n XX.X2- 3 Standards : Compressors

. (a ) Eac hcompresso r

shal l b e equippe d wit hasea l syste mtha t include s a barrie r flui dsyste man dtha t

preven t leakag e o f

proces s flui dt o atmosphere , excep t a s provide di n § XX.X2-l(c ) an d paragraph s (h ) an d(i ) o f thi s section

. (b ) Eac hcompresso r

sea l syste ma s require di n paragrap h(a ) o f thi s sectio n shal l be : (1 ) Operate dwit hth e barrie r flui da t a pressur e tha t

i s greate r

tha n th e compresso r

stuffin g bo x pressure ; o r (2 ) Equippe dwit habarrie r flui d syste mtha t

i s connecte db y aclosed

ven t syste mt o acontro l devic e tha t complie s wit hth e requirement s o f § XX.X2-U ; o r (3 ) Equippe dwit haclosed-loo p syste mtha t

purge s th e barrie r

flui d directl y int o aproces s stream

. (c ) Th e barrie r

flui dshal l no t

b e i n ligh t liqui dservice

. (d ) Eac hbarrie r

flui dsyste ma s describe di n paragraph s (a ) throug h(c ) o f thi s sectio n shal l b e equippe dwit ha senso r tha t wil l detec t

failur e o f

th e sea l system , barrie r

flui dsystem , o r

both

. (e ) (I ) Eac hsenso r a s require di n paragrap h(d ) o f

thi s sectio n shal l b e observe ddail y o r

shal l b e equippe dwit h a n alar munles s th e compresso r i s locate dwithi n th e boundar y o f a n unmanne dplan t

site

. (2 ) Th e owne r

o r operato r shal l determine , base do n desig n consideration s an doperatin g experience , acriterio n tha t indicate s failur e o f th e sea l system , th e barrie r flui dsystem , o r

both

. (f ) If th e senso r

indicate s failur e of

th e sea l system , th e barrie r flui dsystem , o r bot hbase do n th e criterio n determine d unde r paragrap h(e ) (2 ) o f

thi s section , a lea k i s detected

. (g ) (1 ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 1 5 calenda r

day s afte r

i t i s detected , excep t

a s provide di n S XX.X2-10

. (2 ) A firs t

attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r eac hlea k

i s detected

. (h ) A compresso r

i s exemp t

fro mth e requirement s o f

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

i t i s equippe dwit ha closed-ven t

syste mcapabl e o f

capturin g an dtransportin g an y leakag e fromth e sea l t o acontro l devic e tha t complie s wit hth e requirement s o f J XX.X2-11 , excep t a s provide di n paragrap h(i ) o f thi s section

. (i ) An y compresso r

tha t i s designated , a s describe di n 5 XX

. X 6 (b ) (2) , t o operat e a s indicate db y a n instrumen t readin g o f

les s tha n 50 0 pp mabov e background , i s exemp t

fro mth e requirement s o f

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

th e compressor : (1 ) I s demonstrate dt o b e operatin g wit ha n instrumen t

readin g o f

les s tha n 50 0 pp mabov e background , a s measure db y th e metho dspecifie di n § XX.X5(c) ; an d (2 ) I s teste dfo r

complianc e wit h paragrap h(i)(l ) o f

thi s sectio n initiall y upo n designation , annually, , an da t othe r time s requeste db y th e Administrator

. Sectio n XX.X2- 4 Standards : Pressur e Relie f device s i n Gas/vapo r

Service

. (a ) Excep t

durin g pressur e releases , eac hpressur e relie f

devic e i n gas/vapo r servic e shal l b e operate dwit ha n instrumen t

readin g o f

les s tha n 50 0 pp m abov e backgroun dexcep t a s provide di n paragrap h(b ) o f

thi s section , a s measure db y th e metho dspecifie di n § XX.X5(c)

. (b)(1 ) Afte r

eac hpressur e release , th e pressur e relie f

devic e shal l b e returne d t o aconditio n indicate db y a n instrumen t

readin g o f

les s tha n 50 0 pp m abov e background , a s soo n a s practicable , bu t

n o late r tha n 5 calenda rP. 9

932 2 Federa l Registe r/ Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s day s afte r

eac hpressur e release , excep t a s provide di n § XX.X2-10

. (2 ) N o late r

tha n 5 calenda r

day s afte r th e pressur e release , th e pressur e relie f devic e shal l b e monitore dt o confir mth e conditio n indicate db y a n instrumen t readin g o f

les s tha n 50 0 pp mabov e background , a s measure db y th e metho d specifie di n § XX.X5(c)

. (c ) An y pressur e relie f

devic e tha t

i s equippe dwit haclosed-ven t syste m capabl e o f

capturin g an dtransportin g leakag e fromth e pressur e relie f devic e t o acontro l devic e a s describe di n § XX.X21 1 i s exemp t

fro mth e requirement s o f

paragraph s (a ) an d(b ) o f thi s section

. Sectio n XX.X2- 5 Standards : Samplin g Connectio n Systems

. (a ) Eac hsamplin g connectio n syste m shal l b e equippe dwit haclosed-purge , closed-loop , o r

closed-ven t

system , excep t a s provide di n § XX.X2-l(c)

. (b ) Eac hclosed-purge , closed-loop , o r closed-ven t

syste ma s require di n paragrap h(a ) o f

thi s sectio n shall : (1 ) Retur n th e purge dproces s flui d directl y t o th e proces s lin e o r (2 ) Collec t

an drecycl e th e purge d proces s fluid ; o r (3 ) B e designe dan doperate dt o captur e an dtranspor t

al l th e purge d proces s flui dt o acontro l devic e tha t complie s wit hth e requirement s o f § XX.X2-11

. (c ) In-situ samplin g system s ar e exemp t fro mth e requirement s o f paragraph s (a ) an d(b ) o f thi s section

. Sectio n XX.X2- 6 Standards : Open

ende dValve s o r

Line s (a)(1 ) Eac hopen-ende dvalv e o r lin e shal l b e equippe dwit hacap , blin d flange , plug , o r

asecon dvalve , excep t a s provide di n § XX.X2-l(c)

. (2 ) Th e cap , blin dflange, plug , o r secon dvalv e shal l sea l th e ope n en da t al l time s excep t

durin g operation s requirin g proces s fluidflo w throug hth e open-ende dvalv e o r

lin e o r durin g maintenanc e o r

repair

. (b ) Eac hopen-ende dvalv e o r lin e equippe dwit hasecon dvalv e shal l b e operate di n amanne r

suc htha t

th e valv e o n th e proces s flui den di s close d befor e th e secon dvalv e i s closed

. (c ) Whe n adoubl e bloc k an dblee d syste mi s bein g used , th e blee dvalv e o r lin e ma y remai n ope n durin g operation s tha t requir e ventin g th e lin e betwee n th e bloc k valve s bu t

shal l compl y wit h paragrap h(a ) o f

thi s sectio n a t

al l othe r times

. Sectio n XX.X2- 7 Standards : Valve s i n Gas/Vapo r

Servic e an din.Ligh t

Liqui d Servic e (a ) Th e provision s of

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

ar e eithe r

i n ga s servic e o r

i n ligh t liqui dservice

. (1 ) Th e provision s ar e implemente do n th e specifie dapplicabilit y date s se t fort h i n § XX.XO(b ) fo r

existin g an dne w proces s unit s i n th e phase s specifie d below : (i ) Fo r eac hgrou p o f

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

th e standar dare : (A ) Phas e I , 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 III , beginnin g 2M s year s afte r th e applicabilit y date

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

th e standar dare : (A ) Afte r initia l startup , compl y wit h th e Phas e I I requirements

. (B ) Beginnin g 1 yea r

afte r startup , compl y wit hth e Phas e II I requirements

. (2 ) Th e owne r

o r operato r o f a n affecte dproces s uni t

ma y elec t

t o mee t th e requirement s o f

alate r phas e durin g th e tim e perio dspecifie dfo r a n earlie r phase

. (b ) Th e owne r

o r operato r o f a n affecte dproces s uni t

shal l monito r

al l valves , excep t

a s provide di n § § XX.X2

- 1(c) , an d(h ) an d(i ) o f

thi s section , a t

th e interval s specifie di n paragraph s (c ) an d (d ) o f thi s sectio n an dshal l compl y wit h al l othe r provision s o f

thi s section , excep t a s provide di n § XX.X2-10 , § XX.X4-1 , § XX.X4-2 , an d§ XX.X4-3

. (1 ) Th e valve s shal l b e monitore dt o detec t leak s b y th e metho dspecifie di n § XX.X5(b)

. (2 ) Th e instrumen t

readin g tha t define s alea k

i n eac hphas e o f

th e standar dis : (i ) Fo r Phas e I , a n instrumen t

readin g o f 10,00 0 pp mo r

greater

. (ii ) Fo r Phas e II , a n instrumen t readin g o f 50 0 pp mo r

greater

. (iii ) Fo r Phas e III, a n instrumen t readin g o f

50 0 pp mo r

greater

. (c ) I n Phase s I an dII , eac hvalv e shal l b e monitore dquarterly

. (d ) I n Phas e III , th e owne r o r operato r shal l monito r

valve s fo r

leak s a t th e interval s specifie dbelow : (1 ) A t proces s unit s wit h2 percen t o r greate r leakin g valves , calculate da s a rollin g averag e o f

2 consecutiv e periods , th e owne r

o r operato r shal l either : (i ) Monito r

eac hvalv e onc e pe r month ; o r (ii ) Withi n th e firs t

yea r afte r th e onse t o f Phas e III, implemen t

aqualit y improvemen t

progra mfo r

valve s tha t complie s wit hth e requirement s o f § XX.X3- 1 an dmonito r

quarterly

. (2 ) A t proces s unit s wit hles s tha n 2 percen t leakin g valves , th e owne r o r operato r shal l monito r

eac hvalv e onc e eac hquarter , excep t

a s provide di n th e followin g paragraph s (3 ) an d(4 ) o f thi s section

. (3 ) A t proces s unit s wit hles s tha n 1 percen t leakin g valves , th e owne r o r operato r ma y elec t

t o monito r

eac h valv e onc e ever y 2 quarters

. (4 ) A t proces s unit s wit hles s tha n 0. 5 percen t leakin g valves , th e owne r o r operato r ma y elec t

t o monito r

eac h valv e onc e ever y 4 quarters

. (e)(1 ) Percen t

leakin g valve s a t

a proces s uni t

shal l b e determine db y th e followin g equation : %V L=/(V L /(V T+V c ))xi0 0 wher e %V L =percen t

leakin g valve s V L =numbe r

o f valve s foundleakin g excludin g nonrepairable s a s provide di 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 t

fo r remove dvalve s = 0.6 7 X ne t number (i.e. , tota l remove d- tota l added ) o

f valve s i n VHA

P servic e remove dfro

mproces s uni t

after th e applicability dat e se t

fort hin § XX.X0(b

) fo r existin g proces s units , an dafter th e dat e o f startu p fo r ne w proces s units

. I

f credit s ar e no t

taken , the n V c =0

. (2 ) Fo r us e i n determinin g monitorin g frequency , a s specifie di n paragrap h(d ) o f thi s section , th e percen t leakin g valve s shal l b e calculate da s arollin g averag e o f

2 consecutiv e monitorin g period s fo r

monthly , quarterly , o r semiannua l monitorin g programs ; an da s a n averag e o f

an y 3 ou t

o f 4 consecutiv e monitorin g period s fo r

annua l monitorin g programs
. (3 ) (i ) Nonrepairabl e valve s shal l b e include di n th e calculatio n o f percen t leakin g valve s th e firs t

tim e th e valv e i s identifie da s leakin g an dnonrepairabl e an da s require dt o compl y wit h paragrap h(e ) (3 ) (ii ) o f

thi s section

. Otherwise , anumbe r

o f nonrepairable ' valve s (identifie dan dinclude di n th e percen t leakin g calculatio n i n apreviou s period ) u p t o amaximu mo f 1 percen t

o f th e tota l numbe r

o f valve s i n VHA P servic e a t

aproces s uni t

ma y b e exclude dfro mcalculatio n o f percen t leakin g valve s fo r

subsequen t monitorin g periods

. (ii ) If th e numbe r

o f nonrepairabl e valve s exceed s 1 percen t o f th e tota l numbe r o f valve s i n VHA P servic e a t a proces s unit , th e numbe r o f nonrepairabl e valve s exceedin g 1 percen t o f th e tota l numbe r

o f valve s i n VHA P servic e shal l b e include di n th e calculatio n o f

percen t leakin g valves

. (f)(1 ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t n o late r tha n 1 5 calenda r

day s afte r

th eP.1 0



### Federa l Register/

Vol

. 56 , No

. 4

4 / Wednesday , Marc h6 , 199 1 / Propose dRule s 932 3

lea k i s detected , excep t

a s provide di n §XX.X2-10

. (2 ) A firs t attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r eac hlea k

i s detected

. (3 ) Whe n alea k

i s repaired , th e valv e shal l b e monitore da t

leas t onc e withi n th e firs t thre e month s afte r

it s repair

. (g ) Firs t attempt s a t

repai r include , bu t ar e no t limite dto , th e followin g practice s wher e practicable : (1 ) Tightenin g o f

bonne t bolts ; (2 ) Replacemen t

o f bonne t bolts ; (3 ) Tightenin g o f

packin g glan dnuts ; an d (4 ) Injectio n o f

lubrican t

int o lubricate dpacking

. (h ) An y valv e tha t

i s designated , a s describe di n § XX.X6(i)(l) , a s a n unsafe

to-monito r

valv e i s exemp t

fro mth e 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 t

th e valv e i s unsafe t o monito r becaus e monitorin g personne l woul db e expose dt o a n immediat e dange r a s aconsequenc e o f

complyin g wit hparagraph s (b ) throug h(d ) of thi s section ; an d (2 ) Th e owne r

o r operato r of th e valv e ha s awritte n pla n tha t

require s monitorin g o f

th e valv e a s frequentl y a s practicabl e durin g safe-to-monito r times

. (i ) An y valv e tha t

i s designated , a s describe di n § XX.X6(i ) (2) , a s a difficult-to-monito r

valv e i s exemp t

fro m th e requirement s o f

paragraph s (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 t

th e valv e canno t

b e monitore dwithou t

elevatin g th e monitorin g personne l mor e tha n 2 meter s abov e asuppor t surface ; (2 ) Th e proces s uni t

withi n whic hth e valv e i s locate di s a n existin g proces s unit ; an d (3 ) Th e owne r

o r operato r of th e valv e follow s awritte n pla n tha t require s monitorin g o f

th e valv e a t

leas t onc e pe r calenda r year
. (j ) An y equipmen t

locate da t

aplan t sit e wit hfewe r

tha n 25 0 valve s i n VHA P servic e i s exemp t

fro mth e requirement s o f paragrap h(d ) (1 ) o f

thi s section

. Excep t a s provide di n paragraph s (h ) an d(i ) o f thi s section , th e owne r o r operato r shal l monito r

eac hvalv e i n VHA P servic e fo r

leak s onc e eac h quarter , o r

compl y wit hparagraph s (d ) (3 ) o r (d ) (4 ) o f

thi s section

. Sectio n XX.X2- 8 Standards : Pumps , valves , connectors , an dagitator s i n heav y liqui dservice ; instrumentatio n systems ; an dpressur e relie f device s i n liqui dservice

. (a ) Pumps , valves , connectors , an d agitator s i n heav y liqui dservice , pressur e relie f

device s i n ligh t

liqui do r heav y liqui dservice , an d

instrumentatio n system s shal l b e monitore dwithi n 5 calenda r day s b y th e metho dspecifie di n § XX.X5(b ) if evidenc e o f

apotentia l lea k

i s foun db y visual , audible , olfactory , o r an y othe r detectio n method , excep t a s provide di n § XX.X2-l(c)

. I f

apotentia l lea k

i n a n instrumentatio n syste mi s repaire da s require di n paragraph s (c ) an d(d ) o f thi s section , i t

i s no t necessar y t o monito r th e syste mfo r

leak s b y th e metho d specifie di n § XX.X5(b)

. (b ) I f a n instrumen t

readin g o f

10,00 0 pp mo r greate r fo r agitators , 1,000 pp m o r greate r fo r pumps , o r

50 0 pp mo r greate r fo r valves , connectors , instrumentatio n systems , an dpressur e relie f device s i s measured , alea k i s detected

. (c ) (1 ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 1 5 calenda r

day s afte r

i t i s detected , excep t

a s provide di n § XX.X2-10

. (2 ) Th e firs t

attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r eac hlea k

i s detected

. (3 ) Fo r instrumentatio n system s tha t ar e no t monitore db y th e metho d specifie di n § XX.X5(b) , repaire dshal l mea n tha t

th e visual , audible , olfactory , o r othe r indication s o f

alea k hav e bee n eliminated ; tha t

n o bubble s ar e observe da t

4 4 potentia l lea k

site s durin g alea k

chec k usin g soa p solution ; o r tha t th e syste mwil l hol dates t pressure
. (d ) Firs t attempt s a t

repai r include , bu t ar e no t limite dto , th e bes t

practice s * describe dunde r

§ XX.X2-7(e)

. SectionXX.X2- 9 Standards : Produc t accumulato r

vessels

. Eac hproduc t

accumulato r

vesse l shal l b e equippe dwit haclosed-ven t syste m capabl e o f

capturin g an dtransportin g an y leakag e fromth e vesse l t o acontro l devic e a s describe di n § XX.X2-11 , excep t a s provide di n § XX.X2-l(c)

. Sectio n XX.X2-1 0 Standards : Dela y o f repair

. (a ) Dela y o f

repai r o f equipmen t

fo r whic hleak s hav e bee n detecte di 8 allowe di f

th e repai r

i s technicall y infeasibl e withou t

aproces s uni t shutdown

. Repai r

o f thi s equipmen t shal l occu r

b y th e en do f

th e nex t proces s uni t

shutdown

. (b ) Dela y o f

repai r o f equipmen t

fo r whic hleak s hav e bee n detecte di s allowe dfo r

equipmen t

tha t i s isolate d fromth e proces s an dtha t doe s no t remai n i n VHA P service

. (c ) Dela y o f

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

: - (1 ) Th e owne r o r operato r determine s tha t emission s o f

purge dmateria l resultin g fro mimmediat e repai r woul d b e greate r

tha n th e fugitiv e emission s likel y t o resul t

fro mdela y o f

repair , an d (2 ) Whe n repai r

procedure s ar e effected , th e purge dmateria l i s collecte d an ddestroye do r

recovere di n acontro l devic e complyin g wit h§ XX.X2-11

. (d ) Dela y o f

repai r fo r pump s i s als o allowe dif

: (1 ) Repai r

require s replacin g asingl e mechanica l sea l syste mwit h (i ) A dua l mechanica l sea l syste mtha t meet s th e requirement s o f § XX.X2-2(e) , (ii ) apum p tha t

meet s th e requirement s o f

§ XX.X2-2(f) , o r (iii ) aclosed-ven t

syste mcontro l devic e tha t

meet s th e requirement s o f § XX.X2-2(g) , an d (2 ) Repai r

i s complete da s soo n a s practicable , bu t

no t late r tha n 6 month s afte r th e lea k wa s detected

. (e ) Dela y of

repai r beyon daproces s uni t shutdow n wil l b e allowe dfo r a valv e i f valv e assembl y replacemen t i s necessar y durin g th e proces s uni t shutdown , valv e assembl y supplie s hav e bee n depleted , an dvalv e assembl y supplie s ha dbee n sufficientl y stocke d befor e th e supplie s wer e depleted

. Dela y o f repai r beyon dth e nex t

proces s uni t shutdow n wil l no t

b e allowe dunles s th e nex t proces s uni t

shutdow n occur s soone r tha n 6 month s afte r

th e firs t proces s uni t

shutdown

. Sectio n XX.X2-1 1 Standards : Closed

ven t system s an dcontro l devices

. (a ) Owner s o r

operator s o f

closed

ven t system s an dcontro l device s use d t o compl y wit hprovision s o f thi s subpar t shal l compl y wit hth e provision s of thi s section , excep t

a s provide di n § XX.X2-l(c)

. (b ) Vapo r

recover y system s (fo r example , condenser s an dadsorbers ) shal l b e designe dan doperate dt o recove r th e organi c emission s vente dt o the mwit ha n efficienc y o f 9 5 percen t

o r greater

. (c ) Enclose dcombustio n device s shal l b e designe dan doperate dt o reduc e th e organi c emission s vente dt o the mwit h a n efficienc y o f

9 5 percen t

o r greate r o r t o provid e aminimu mresidenc e tim e o f 0.5 0 second s a t

aminimu mtemperatur e of 760°C

. (d ) Flare s use dt o compl y wit hthi s subpar t shal l compl y wit hth e requirement s o f

§ 60.18

. (e ) Owner s o r

operator s o f

contro l device s tha t

ar e use dt o compl y wit hth e provision s o f

thi s subpar t

shal l monito r thes e contro l device s t o ensur e tha t the y ar e operate dan dmaintaine di n conformanc e wit hthei r design

.P.1 1



### 932 4 Federa

l Registe r/

Vol . 56 , No . 44 /

Wednesday , Marc

h 6, 199 1 /

Proposed Rules •BBl^^BHHHHI^^Ma^H^HMa^^H^^H^^n^Ma^M^MaM^l^^^H^B^HMaBHM^^^H^HHBBanH^^HH^H^naH^MBMaMaM^H^^^H^^^H^^^^^^M^^HH i 

### (f ) (1 ) Closed-ven t

system s shal l b e designe dfo

r an doperate dwitha n instrumen t

readin g o

f les s tha n 50

0 pp m abov e backgroun dan db y visua l inspections , a s determine db y th e method s specifie da s § XX.X5(c)

. (2 ) Closed-ven t

system s shal l b e monitore dt o determin e complianc e with thi s sectio n initiall y i n accordanc e wit h § 61.05 , annually , an da t

othe r time s requeste db y th e Administrator , excep t equipmen t

component s o n close dven t system s meetin g th e description s i n § XX.X2-7(h) an d§ XX.X2-13(f ) throug h (h) shal l mee t

th e requirement s o

f thos e sections

. (3 ) Leaks , a s indicate db y a n instrumen t

readin g greate r

tha n 50 0 pp m abov e backgroun dan dvisua l inspections , shal l b e repaire da s soo n a s practicable , bu t

no t late r tha n 1 5 calendar day s after

th e leak i s detected

. (4 ) A firs t attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s after th e leak i s detected

. (g ) Wheneve r

VHAP emission s ar e vente dt o aclosed-ven t

syste mo r contro l devic e use dt o compl y withth e provision s o

f thi s subpart , suc hsyste m or contro l devic e shal l b e operating

. Sectio n XX.X2-1 2 Standards : Agitator s i n gas/vapo r

servic e an di n ligh

t liqui d service

. (a)(1 ) Eac hagitato r

shal l b e monitore d monthl y t o detec t

leak s b y th e method s specifie di n § XX.X5(b) , excep t a s provide di n § XX.X2-l(c)

. (2 ) Eac hagitato r

shal l b e checke db y visua l inspectio n eac hcalenda r wee k fo r indication s o

f liquid s drippin g from th e agitator

. (b)(1 ) I f a n instrumen t

readin g o f 10,00 0 pp mo r greate r i s measured , a lea k i s detected

. (2 ) I f ther e ar e indication s o

f liquid s drippin g fromth e agitator , alea k i s detected

. (c)(1 ) Whe n aleak

i s detected , it

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 1 5 calenda r

day s after

i t i s detected , excep t

a s provide di n § XX.X2-10

. (2 ) A first attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s after eac hleak i s detected

. (d) Any agitato r

equippe dwitha closed-ven t

syste mcapabl e o

f capturin g an dtransportin g an y leakag e fro mth e sea l or seal s t o acontro l devic e tha t complie s withth e requirements o f § XX.X2-1 1 i s exemp t

fro mth e requirement s o

f paragraph s (a)-(c)

. Sectio n XX.X2-1 3 Standards : Connector s i n Gas/Vapo r Servic e an di n Ligh t Liqui dServic e (a) Th e owne r

or operato r o f a n affecte dproces s uni t

shal l monito r

al l connector s i n gas/vapo r an dligh t liqui d service , excep t

a s provide di n § § XX.X2- 1 (c) , an d(f

) throug h(h) o

f thi s section , a t

th e interval s specifie di n paragrap h(b ) of

thi s section

. (1 ) Th e connector s shal l b e monitore d t o detec t leak s b y th e metho dspecifie d i n § XX.X5(b)

. (2 ) I f a n instrumen t

readin g greate r tha n or equa l to 50

0 pp mi s measured , a leak i s detected

. (b ) Th e owne r

o r operato r shal l monito r fo r leak s a t th e interval s specifie dbelow

. (1 ) Withi n th e first

1 2 month s after

th e specifie dapplicability date s describe d i n § XX.XO(b

) fo r eac hgroup o

f existin g proces s units , th e owne r

o r operato r shal l monito r

al l connectors , excep t

a s provide di n paragraph s (f ) throug h(h) o

f thi s section ! (2 ) Withi n th e firs t

1 2 month s after

th e beginnin g o

f startu p or

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 or operato r shal l monito r

al l connectors , excep t a s provide di n paragraph s (f ) throug h(h) o

f thi s section

. (3 ) Afte r conductin g th e initia l surve y require di n paragrap h(b)(1 ) o f thi s section , th e owne r

or operato r shal l perfor mal l subsequen t

monitorin g o

f connector s a t

th e followin g frequencies, excep t a s provide di n paragrap h(c)(2) o f thi s section : (i ) Onc e pe r

calenda r year , if th e percen t leakin g connector s i n th e proces s uni t

wa s 0. 5 percen t

o r greate r durin g th e las t

require dmonitorin g period

. (ii ) Onc e every tw o calenda r years , i f th e percen t

leakin g connector s wa s les s tha n 0. 5 percen t

durin g th e las t

require d monitorin g period

. A n owne r o r operato r may comply withthi s paragrap hb y monitorin g a t

leas t 4 0 percen t

o f th e connector s i n th e first

year an dth e remainde r

o f th e connector s i n th e secon dyear
. Th e percen t

leakin g connector s wil l b e calculate dfo r th e tota l o f al l monitorin g performe ddurin g th e two-year

period

. (iii ) I f th e owne r

o r operato r o f a proces s uni t

i n abiennia l leak

detectio n an drepai r programcalculate s les s tha n 0. 5 percen t

leakin g connector s fro

mth e 2-yea r monitorin g period , th e owne r o r operato r may monito r

th e connector s 1 time every 4 years
. An owne r o r operato r may comply withth e requirement s o

f thi s paragrap hb y monitorin g a t

leas t 2 0 percen t o f th e connector s eac hyear

unti l al l connector s hav e bee n monitore dwithi n 4 years
. (iv) I f aproces s uni t

complyin g with th e requirement s o

f paragrap h(b ) o

f thi s sectio n usin g a4-yea

r monitorin g interva l programha s greate r tha n o r equa l t o 0. 5 percen t bu t les s tha n 1 percen t leakin g connectors , th e owne r o r operato r shal l increas e th e monitorin g frequenc y t o 1 tim e every 2 years
. An owne r o r operato r ma y compl y wit hth e requirement s o

f thi s paragrap hb y monitorin g a t

leas t 40 percen t

o f th e connector s i n th e firs t

year an dth e remainde r

o f th e connector s i n th e secon dyear
. Th e owne r

or operato r may agai n elec t

t o us e th e provision s o

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

f thi s sectio n whe n th e percen t

leakin g connector s decrease s t o les s tha n 0. 5 percent

. (v) I f aproces s uni t

complyin g with requirement s o

f paragrap h(b ) usin g a4

- yea r monitorin g interva l programha s 1 percen t o r greate r leakin g connectors , th e owne r o r operato r shal l increas e th e monitorin g frequency t o 1 time pe r year
. Th e owne r

o r operato r may agai n elec t t o us e th e provision s o

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

f thi s sectio n whe n th e percen t leakin g connector s decrease s t o les s tha n 0. 5 percent

. (4 ) After (Insert dat e o f publicatio n o

f propose drul e i n th e Federa l Register) , i f a n owne r o r operato r eliminate s a connecto r subjec t t o monitorin g unde r paragrap h(b ) o

f thi s sectio n eithe r

b y weldin g i t completel y aroun dth e circumferenc e o

f th e interfac e or

b y physicall y removin g th e connecto r an d weldin g th e pip e together , th e owne r o r operato r shal l chec k

th e integrity o

f th e wel db y monitorin g i t

accordin g t o th e procedure s i n § XX.X5(b) o r b y testin g usin g X-ray , acousti c monitoring , hydrotesting , or

othe r applicabl e method

. Weld s create dafter (Insert dat e o f publicatio n o

f propose drul e i n th e Federa l Register) bu t

before (Inser

t dat e o f publicatio n of

final rul e i n th e Federa l Register) shal l b e monitore do r teste db y (Insert 3 months after

date of publication of

final rule in the Federa l Register) ; weld s create dafter (Insert dat e o f publicatio n o

f final rul e i n th e Federa l Register) shal l b e monitore do r teste dwithi n 3 month s after bein g welded

. I f a n inadequat e wel di s foun d o r th e connecto r

i s no t welde d completel y aroun dth e circumference , th e connecto r

i s no t considere da welde dconnecto r

a s describe di n § XX.XI , an di s therefor e no t exemp t fro mth e provision s o

f thi s subpart

. Connector s welde do n o r

after (Insert dat e o f publicatio n o

f propose drul e i n th e Federa l Register) can coun t a s connector s remove dfro

mth e proces s an db e eligibl e for

removedconnecto r credit s a s describe di n paragrap h(i ) o f thi s section

. (c)(l)(i ) Excep t

a s provide di n paragrap h(c)(l)(ii ) o

f thi s section , eac h connecto r tna t ha s bee n opene dor

ha s otherwis e ha dth e sea l broke n shal l b eP.1 2



### Federa l Register/

Vol

. 56 , No

. 4

4 / Wednesday , Marc h6 , 199 1 / Propose dRule s 932 5

monitore dfo r

leak s withi n th e firs t

3 month s afte r

bein g returne dt o VHA P service , includin g thos e determine dt o b e nonrepairabl e prio r

t o proces s uni t shutdown

. I

f th e followu p monitorin g detect s aleak , i t

shal l b e repaire d accordin g t o th e provision s o f paragrap h (d ) of thi s section , unles s i t

i s determine dt o b e nonrepairable , i n whic hcas e i t

i s counte da s a nonrepairabl e fo r

th e purpose s of 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 ) of thi s section , a n owne r

o r operato r ma y choos e t o calculat e percen t leakin g connector s fo r

th e monitorin g period s describe di 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 di n paragrap h (c)(1 ) (i ) an d(ii ) o f

thi s sectio n a t

th e en do f th e curren t

monitorin g perio dh e i s in , provide dtha t

h e notif y th e Administrato r

a s require di n § XX.X7(b)(7 ) an dbegi 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 dn 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 ) of

thi s section , eac hscrewe dconnecto r 2 inche s o r les s installe di n aproces s uni t befor e (Inser t

dat e o f publicatio n o f propose drul e i n Federa l Register ) may : (i ) Compl y wit hth e requirement s o f § XX.X2-8 , an d (ii ) B e monitore dfo r

leak s withi n th e firs t thre e month s afte r

bein g returne dt o VHA P servic e afte r

havin g bee n opene d o r otherwis e ha dth e sea l broken

. If th e followu p monitorin g detect s aleak , i t shal l b e repaire daccordin g t o th e provision s o f

paragrap h(d ) o f

thi s section

. (d ) Whe n alea k

i s detected , i t

shal l b e repaire da s soo n a s practicable , bu t n o late r tha n 1 5 calenda r

day s afte r

th e lea k i s detected , excep t

a s provide di n paragrap h(g ) o f

thi s sectio n an di n § XX.X2-10

. A firs t

attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r day s afte r

th e lea k i s detected

. (e ) I f alea k i s detected , th e connecto r shal l b e monitore dfo r

leak s withi n th e firs t thre e month s afte r

it s repair

. (f ) An y connecto r

tha t i s designated , a s describe di n § XX.X6(i)(l) , a s a n unsafe-to-monito r

connecto r

i s exemp t fro mth 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 t th e connecto r

i s unsaf e t o monito r becaus e personne l woul db e expose dt o a n immediat e dange r a s aresul t

o f complyin g wit hparagraph s (a ) throug h (e ) o f thi s section ; an d (2 ) Th e owne r

o r operato r ha s a writte n pla n tha t

require s monitorin g of th e connecto r

a s frequen t

a s practicabl e durin g saf

e t o monito r

periods

. (g ) An y connecto r

tha t i s designated , a s describe di n § XX.X6(i)(3) , a s a n unsafe-to-repai r

connecto r

i s exemp t fromth 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 t repai r personne l woul db 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 do f

th e nex t schedule d proces s uni t

shutdown

. (h)(1 ) An y connecto r

tha t i s designated , a s describe di n § XX.X6(i)(4 ) a s inaccessible , o r

i s glas s o r

glass

lined , i s exemp t

fro mth e monitorin g requirement s o f

paragrap h(a ) o f

thi s sectio n an dfro mth e recordkeepin g an d reportin g requirement s o f § XX.X 6 an d § XX.X7

. A n inaccessibl e connecto r i s on e tha t i s (i ) Buried

. (ii ) Insulate di n amanne r tha t prevent s acces s t o th e connecto r b y a monito r probe , (iii ) Obstructe db y equipmen t o r pipin g tha t

prevent s acces s t o th e connecto r

b y amonito r

probe , o r (iv ) Unabl e t o b e reache dfro ma25

- foot portabl e scaffol do n th e ground , an d i s greate r tha n 2 meter s abov e asuppor t surface

. (2 ) I f an y inaccessibl e o r

glas s o r glass-line dconnecto r

i s observe db y visual , audible , olfactory , o r othe r mean s t o b e leaking , th e lea k shal l b e repaire da s soo n a s practicable , bu t n o late r tha n 1 5 calenda r

day s afte r

th e lea k i s detected , excep t

a s provide di n § XX.X2-1 0 an dparagrap h(g ) of thi s section

. (3 ) A firs t attemp t a t repai r shal l b e mad e n o late r

tha n 5 calenda r

day s afte r th e lea k i s detected

. (i ) Fo r us e i n determinin g th e monitorin g frequency , a s specifie di 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 firs t monitorin g period , us e th e followin g equation : %C, = C L =C L /(C t +C c )X10 0 Where : % C L =percen t

leakin g connector s C L =numbe r

o f connector s measure dat

50 0 ppmo r greater , b y th e metho dspecifie d i n § XX.X5(b

) C,=tota l number

o f monitore dconnector s i n th e proces s uni t C c =Optiona l credi t fo r remove dconnector s

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

l added ) number

o f connector s i

n VHA P servic e remove dfro

mth e proces s uni t after th e applicability dat e se t fort hin § XX.XO(b ) fo r existin g proces s units , an dafte r th e dat e o

f startu p fo r ne w proces s units

. I

f credit s ar e no t

taken , the n C c =0

. (2 ) Fo r subsequen t

monitorin g periods , us e th e followin g equation : * C L =[(C U -C AN )/(C,+CC)]X10 0 Where : % C L =percen t

leakin g connector s C L =numbe r

o f connectors , includin g nonrepairables , measure dat 50 0 pp mor greater , b y th e metho dspecifie di n § XX.X5(b ) CAN=numbe

r o f allowabl e nonrepairabl e connectors , a s determine db y monitorin g require din paragraph s (b)(3 ) an d(c) o f thi s section , no t

to excee d2 percen t

o f th e tota l connecto r

population , C , C t =tota l number

o f monitore dconnectors , includin g nonrepairables , in th e proces s unit

. C c =Optiona l credi t

fo r remove dconnector s

= 0.6 7 x ne t number (i.e.

. total removed—total added ) o

f connector s i

n VHA P servic e remove dfro

mth e proces s uni t after th e applicability dat e se t fort h i n § XX.XO(b

) fo r existin g proces s units , an dafte r th e dat e o

f startu p fo

r ne w proces s units

. I

f credit s ar e no t

taken , thenC c =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 hth e requirement s i n § XX.X2-7(d)(l)(ii) , a n owne r o r operato r ma y elec t

t o compl y wit hon e o f

th e alternativ e qualit y improvemen t

program s specifie di n paragraph s (d ) an d(e ) o f thi s 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

§ XX.X2-7(d)(l)(ii ) mus t b e mad e durin g th e firs t yea r o f Phas e III fo r

existin g proces s unit s an d fo r ne w proces s units

. (b ) A n owne r

o r operato r o f aproces s uni t subjec t t o th e requirement s of paragraph s (d ) o r

(e ) of thi s sectio n shal l compl y wit hthos e requirement s unti l th e proces s uni t

ha s fewe r

tha n 2 percen t leakin g valves , calculate da s a rollin g averag e of

2 consecutiv e quarter s a s specifie di n § XX.X2-7(e)

. (c ) Afte r th e proces s uni t

ha s fewe r tha n 2 percen t

leakin g valves , th e owne r o r operato r ma y elec t

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

fro mth e requirement s fo r

performanc e trial s a s specifie di n paragrap h(e)(6 ) o f thi s section , o r

furthe r progres s a s specifie dP.1 3

932 6 Federa l Registe r/ Vol . 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s

i n paragrap h(d)(4 ) o f

thi s section , a s lon g a s th e proces s uni t ha s fewe r

tha n 2 percen t leakin g valves

. If

th e owne r

o r operato r elect s t o compl y wit hbot h paragrap h(e ) o f

thi s sectio n an d § XX.X2-7 , h e ma y als o tak e advantag e o f th e lowe r

monitorin g frequencies associate dwit hlowe r

lea k rate s i n § XX.X2-7

. If

th e owne r

o r operato r elect s no t

t o continu e QIP , th e QI P i s n o longe r a n optio n i f

th e proces s uni t

agai n exceed s 2 percen t

leakin g valves , an di n suc hcase , monthl y monitorin g wil l b e required

. (d ) Th e followin g requirement s shal l b e me t if a n owne r

o r operato r

elect s t o us e aQI P t o demonstrat e furthe r progress : (1 ) Th e owne r

o r operato r shal l continu e t o compl y wit hth e requirement s i n § XX.X2- 7 excep t eac h valv e shal l b e monitore dquarterly

. (2 ) Th e owne r

o r operato r shal l collec t th e followin g data , an dmaintai n record s a s require di n § XX.X6(m) , fo r eac h valv e i n eac hproces s uni t subjec t t o th e QIP : (i ) Th e maximu minstrumen t readin g observe di n eac hmonitorin g observatio n befor e repair , th e respons e facto r fo r th e strea mif

appropriate , th e instrumen t

mode l number , an ddat e o f th e observation

. (ii ) Whethe r

th e valv e i s i n ga s o r

ligh t liqui dservice

. (iii ) If alea k i s detected , th e repai r method s use dan dth e instrumen t reading s afte r

repair

. (3 ) Th e owne r

o r operato r shal l continu e t o collec t

dat ao n th e valve s a s lon g a s th e proces s uni t remain s i n th e QIP

. (4 ) Th e owne r

o r operato r mus t demonstrat e progres s i n reducin g th e
. percen t leakin g valve s eac hquarte r th e proces s uni t

i s subjec t

t o th e requirement s of

paragrap h(d ) o f

thi s section , excep t

a s provide di n paragrap h (d)(4)(ii ) o f

thi s section

. (i ) Demonstratio n o f

progres s shal l mea n tha t

fo r eac hquarte r

ther e i s a t leas t a1 0 percen t

reductio n i n th e percen t leakin g valve s fromth e percen t leakin g valve s determine dfo r th e precedin g monitorin g period

. Th e percen t leakin g valve s shal l b e calculate da s arollin g averag e o f 2 consecutiv e quarter s o f monitorin g data

. Th e percen t

reductio n shal l b e calculate dusin g th e rollin g averag e percen t leakin g valves , accordin g t o th e following : %LV„=(%LV

AV0 1 - %LV

AVG2 )/?SLV A vo i X100 where : %LV„=Percent

leakin g valv e reductio n %LV AV0, = (%V u +%Vu«)/ 2 an d %1M AVG , =(%V U+ ,+»V u+I )/2 where : %V U, %V U -M , %V

u+ aar e percen t

leakin g valve s calculate dfo

r subsequen t

monitorin g periods , i , i+1 , i+ 2 (ii ) A n owne r

o r operato r wh o fail s fo r 2 consecutiv e rollin g average s t o demonstrat e a t

leas t a1 0 percen t reductio n pe r

quarte r i n percen t

leakin g valve s o r tha t th e overal l averag e percen t reductio n base do n 2 o r mor e rollin g average s i s les s tha n 1 0 percen t pe r quarte r shal l eithe r

compl y wit hth e requirement s i n § XX.X2-7(d)(l ) usin g monthl y monitorin g o r

shal l compl y usin g aQI P fo r

technolog y revie w a s specifie di n paragrap h(e ) o f thi s section

. If th e owne r

o r operato r elect s t o compl y wit hth e requirement s o f paragrap h(e ) o f thi s section , th e schedul e fo r performanc e trial s an dvalv e replacement s remain s a s specifie di n paragrap h(e ) o f

thi s section

. (e ) Th e followin g requirement s shal l b e me t if a n owne r

o r operato r elect s t o us e aQI P o f

technolog y revie w an d improvement : (1 ) Th e owne r

o r operato r shal l compl y wit hth e requirement s i n § XX.X2- 7 excep t

th e requirement

fo r monthl y monitorin g i n paragrap h § XX.X2-7(d)(l)(i ) doe s no t apply

. (2 ) Th e owne r

o r operato r shal l collec t th e dat aspecifie dbelow , an dmaintai n records a s require di n § XX.X6(m) , fo r eac hvalv e i n eac hproces s uni t subjec t t o th e QIP

. Th e dat ama y b e collecte d an dth e record s ma y b e maintaine do n a proces s uni t

o r grou p o f proces s unit s basis

. (i ) Th e dat ashal 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 mo r

actuatin g mechanism , flange dbody) ; material s o f construction ; packin g material ; an dyea r installed

. (B ) Servic e characteristic s o f th e strea msuc ha 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 dservice

. (D ) Th e maximu minstrumen t reading s observe di n eac hmonitorin g observatio n befor e repair , respons e facto r fo r th e strea mi f

adjusted , instrumen t

mode l number , an ddat e o f th e observation

. (E) If alea k i s detected , th e repai r method s use dan dth e instrumen t reading s afte r

repair

. (F ) If th e dat awil l b e analyze da s par t o f alarge r analysi s progra minvolvin g dat afromothe r

plant s o r

othe r type s o f proces s units , adescriptio n o f an y maintenanc e o r

qualit y assuranc e program s use di n th e proces s uni t tha t ar e intende dt o improv e emissio n performance

. (3 ) Th e owne r o r operato r shal l continu e t o collec t

dat ao n th e valve s a s lon g a s th e proces s uni t remain s i n th e QIP

. (4 ) Th e owne r

o r operato r shal l inspec t al l valve s remove dfro mth e proces s uni t

du e t o leaks

. Th e inspectio n shal l determin e whic hpart s o f th e valv e hav e faile dan dshal l includ e recommendations , a s appropriate , fo r desig n change s o r

change s i n specification s t o reduce lea k potential

. (5)(i ) Th e owne r

o r operato r shal l analyz e th e dat acollecte dt o compl y wit hth e requirement s 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 dvalv e design s o r technologie s tha t

hav e poore r

tha n averag e emissio n performanc e an d thos e tha t

hav e bette r

tha n averag e emissio n performance

. Th e analysi s shal l determin e i f

specifi c troubl e area s ca n b e identifie do n th e basi s o f service , operatin g condition s o r maintenanc e practices , equipmen t

design , o r

othe r proces s specifi c factors

. (ii ) Th e analysi s shal l als o b e use dt o identif y an y superio r

performin g valv e technologie s tha t

ar e applicabl e t o th e service(s) , operatin g conditions , o r valv e design s associate dwit hpoore r tha n averag e emissio n performance

. A superio r performin g valv e technolog y i s on e fo r whic hagrou p o f

suc hvalve s ha s alea k frequency o f

les s tha n 2 percen t fo r specifi c application s i n suc ha proces s unit

. A candidat e superio r performin g valv e technolog y i s on e demonstrate do r

reporte di n th e availabl e literatur e o r

throug hagrou p stud y a s havin g lo w emissio n performanc e an da s bein g capabl e o f achievin g les s tha n 2 percen t leakin g valve s i n th e proces s unit

. (iii ) Th e analysi s shal l includ e consideratio n of

: (A ) Th e dat aobtaine dfro mth e inspection s o f

valve s remove dfromth e proces s uni t

du e t o leaks ; (B ) Informatio n fromth e availabl e literatur e an dfro mth e experienc e o f othe r plan t site s tha t

wil l identif

y valv e design s o r

technologie s an doperatin g condition s associate dwit hlo 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 doperatin g condition s a s wel l a s informatio n o n maintenanc e procedure s t o ensur e continue dlo w emissio n performance

. (iv ) Th e dat aanalysi s ma y b e conducte dthroug ha n inter

- o r intracompan y progra m(o r throug hsom e combinatio n o f

th e tw o approaches ) an d ma y b e fo r

asingl e proces s wait, a company , o r

agrou p o f

proces s units

.P.1 4



### (v) Th e first

analysi s o

f th e dat ashal l b e complete dn o late r

tha n 1 8 month s after th e star t o f Phase HI

. Th e firs t analysi s shal l b e performe dusin g a minimumo

f 2 quarter s o

f data

. An analysi s o f th e dat ashal l b e don e eac h year th e proces s uni t

i s i n th e QIP

. (6 ) A tria l evaluatio n programshal l b e conducte da t

eac hplan t

sit e fo r whic h th e dat aanalysi s doe s no t identif y superio r performin g valv e design s or technologie s tha t

ca n b e applie dt o th e operatin g condition s an dservice s identifie da s havin g poorer tha n averag e performance , excep t

a s provide di n paragrap h(e)(6)(v) o

f thi s section

. Th e tria l programshal l b e use dt o evaluat e th e feasibility o

f usin g i n th e proces s uni t th e valv e design s or

technologie s tha t hav e bee n identifie db y other s a s havin g lo w emissio n performance

. (i) Th e tria l programshal l includ e on
lin e trial s o

f valve s o r operatin g an d maintenanc e practice s tiiat hav e bee n identifie di n th e availabl e literatur e or i n analysi s b y other s a s havin g th e ability t o perfor mwithleak

rate s belo w 2 percen t i n simila r services, a s havin g lo w probability o

f failure , or

a s havin g n o externa l actuatin g mechanis mi n contac t wit hth e proces s fluid. I

f an y o f th e candidat e superio r

performin g valv e technologie s i s no t

include di n th e performanc e trials , th e reason s fo r rejectin g specifi c technologie s fro m consideratio n shal l b e documente da s require di n § XX.X6(m)(6)(ii)

. (ii) Th e numbe r

o f valve s i n th e tria l evaluatio n programshal l b e th e lesse r o f 1 percen t or 2 0 valves fo

r program s involvin g singl e proces s unit s an dth e lesse r o f 1 percen t or 5 0 valves fo

r program s involvin g group s o f proces s units

. (iii ) Th e tria l evaluatio n programshal l specif y an dinclud 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 , th e stage s fo

r evaluatin g th e identifie dcandidat e valv e design s o r technologies , includin g th e estimate d time perio dnecessar y t o tes t th e applicability ; (B ) Th e frequenc y o

f monitorin g o r inspectio n o

f th e equipment ; (C) Th e rang e o

f operatin g condition s over whic hth e componen t

wil l b e evaluated

. (D ) Conclusion s regardin g th e emissio n performanc e an dth e appropriat e operatin g condition s an d service s fo

r th e tria l valves

. (iv ) Th e performanc e trial s shal l initiall y b e conducte dfor, a t leas t a6

- mont hperio dbeginnin g no t

late r tha n 1 8 month s after

th e star t o f Phase HI

. No t late r tha n 2 4 month s after

th e star t o f Phas e IH , th e owne r

o r operato r shal l hav e identifie dvalv e design s o r technologie s that , combine dwith appropriat e process , operating , an d maintenanc e practices , operat e withlo w emissio n performanc e fo

r specifi c applications i n th e proces s unit

. Th e owne r o r operato r shal l continu e t o conduc t performanc e trial s a s lon g a s n o superio r performin g desig n o r technolog y ha s bee n identified , excep t a s provide di n paragrap h(e)(6)(vi ) o f thi s section

. Th e compilatio n o f candidat e an ddemonstrate dsuperio r emissio n performanc e valv e design s o r technologie s shal l b e amende di n th e future , a s appropriate , a s additiona l informatio n an dexperienc e I s obtained

. (v) An y plan t

sit e withfewer

tha n 4(H ) valve s an downe db y acorporatio n with fewer tha n 10 0 tota l employee s shal l b e exemp t fromtria l evaluation s o

f valves

. Plan t site s exemp t

fro mth e tria l evaluation s o

f valve s shal l begi n th e valv e replacemen t

programa t

th e star t o f th e fourt hyear o f Phase IH

. (vi ) A n owne r

o r operato r wh o ha s conducte dperformanc e trial s o n al l candidat e superio r

emissio n performanc e technologie s suitabl e fo r th e require dapplication s i n th e proces s uni t may sto p conductin g perfonnanc e trial s provide dtha t

asuperio r performin g desig n o r

technolog y ha s bee n demonstrate do r

ther e ar e n o technicall y feasibl e candidat e superio r technologie s remaining

. Th e owne r o r operato r shal l prepar e a n engineerin g evaluatio n documentin g th e physical , chemical , o r

engineerin g basi s fo

r th e judgemen t

tha t th e superio r

emissio n performanc e technolog y i s technicall y infeasibl e o r

demonstratin g tha t

i t woul d no t reduc e emissions

. (7) Eac howne r

o r operato r wh o elect s t o us e aQIP fo

r technolog y revie w an d improvemen t

shal l prepar e an d implemen t

avalv e quality assuranc e programtha t

detail s purchasin g specification s an dmaintenanc e procedure s fo

r al l valve s i n th e proces s unit

. Th e quality assuranc e program may establis han y numbe r o f categories , o r classes , o

f valve s a s neede dt o distinguis hamon g operatin g condition s an dservice s associate dwithpoore r tha n averag e emissio n performanc e a s wel l a s thos e associate dwithbette r tha n averag e emissio n performance

. Th e quality assuranc e programshal l b e develope dconsiderin g th e finding s o f th e dat aanalysi s require dunde r paragrap h(e)(5 ) of

thi s section , i

f applicable , th e finding s o

f th e tria l evaluatio n require di n paragrap h(e)(6 ) o f thi s section , an dth e operatin g condition s i n th e proces s unit

. Th e quality assuranc e programshal l b e reviewe dand , a s appropriate , update d

. eac hyear

a s lon g a s th e proces s uni t ha s 2 percen t or mor e leakin g valves

. (i) Th e quality assuranc e program shall : (A) Establis hminimumdesig n standard s fo

r eac hcategory o

f valves

. Th e desig n standard s shal l specif y know n critica l parameter s suc ha s tolerance , manufacturer , material s o f construction , previou s usage , o r othe r applicabl e identifie dcritica l parameters ; (B ) Require tha t

al l equipmen t

order s specif y th e desig n standar d(or minimum tolerances ) fo

r th e valve ; (C) Includ e awritte n procedur e fo r benc htestin g o

f valve s tha t

specifie s performanc e criteri afo

r acceptanc e of valve s an dspecifie s criteri afo r th e precisio n an daccurac y o

f th e tes t apparatus

. Al l valve s repaire doff-line after preparatio n o

f th e quality assuranc e pla n shal l b e benc hteste dfo r leaks

. Thi s testin g may b e conducte db 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 adesignate d representative

. Th e owne r o r operato r shal l instal l onl y thos e valve s tha t hav e bee n documente dthroug hbenc htestin g t o b e nonleaking

. (D) Require tha t

al l valve s repaire d on-lin e b e teste dusin g th e metho d specifie di n § XX.X5(b) fo r leak s fo r 2 successiv e months , after

repair

. (E ) Provid e fo

r a n audi t procedur e fo

r quality contro l o

f purchase dequipmen t t o ensur e conformanc e wit hpurchas e specifications

. Th e audi t

programmay b e conducte db y th e owne r o r operato r o f th e proces s uni t

o r b y adesignate d representative

. (F ) Detai l off-line valv e maintenanc e an drepair

procedures

. Thes e procedure s shal l includ e provision s t o ensur e tha t

rebuil t o r refurbishe dvalve s wil l mee t th e desig n specification s fo r th e valv e typ e an dwil l operat e suc h tha t emission s ar e minimized

. (ii ) Th e quality assuranc e program shal l b e establishe dn o late r tha n th e star t o f th e thir dyear

o f Phase II I fo r plan t site s with40

0 o r more valves o r owne db y acorporatio n with10 0 o r more employees ; an dn o late r tha n th e star t o f th e fourt hyear o f Phase II I fo r plan t site s withles s tha n 40

0 valves an d owne db y acorporatio n withles s tha n 10 0 employees

. (8) Beginning at

th e star t o f th e thir d yea r o f Phase II I fo r plan t site s with400 o r mor e valve s o r

owne db y a corporatio n with10

0 o r more employee s an da t th e star t o f th e fourt hyear o f Phas e II I fo r plan t site s withles s tha n 400 valve s an downe db y acorporatio n withles s tha n 10

0 employees , eac h valv e tha t i s replace dfo

r an y reaso n shal l b e replace dwithane w o r modifie dvalv e tha t

complie s withth e quality assuranc e standard s for th e valv e category an dtha t

i s identifie da sP.1 5



## 932 8 Federa

l Registe r/Vol
. 58 , No

. 4

4 / Wednesday , Marc

h6, 199 1 /

ProposedRule s superio r emissio n performanc e technology

. Superio r

emissio n performanc e technolog y mean s valve s o r valv e technologie s identifie dwith emissio n performanc e that , combine d withappropriat e process , operating , an d maintenanc e practices , will resul t i n les s tha n 2 percen t

leakin g valve s fo

r specifi c application s i n alarg e population , excep t

a s provide di n paragrap h(e)(8)(ii ) o

f thi s section

. (i) Th e valve s shal l b e maintaine da s specifie di n th e quality assuranc e program
. (ii ) I f asuperio r

emissio n performanc e technolog y canno t

b e identified , the n valv e replacemen t

shal l b e withon e o

f (i f several ) th e lowes t

emissio n performanc e technologie s tha t ha s bee n identifie dfo

r th e specifi c application

. Sectio n XX.X3- 2 Quality Improvemen t Progra mfo r Pump s (a) In Phase HI, if

, o n a6-mont

hrollin g average , th e greate r

of eithe r 1 0 percen t o f th e pump s i n aproces s uni t (or plan t site ) o r 3 pump s i n aproces s uni t (or plan t site ) leak , th e owne r

o r operato r shal l comply withth e requirement s o f thi s sectio n a s specifie dbelow : (1 ) Pump s tha t

ar e i n food/medica l servic e or i n polymerizin g monomer servic e shal l comply withal l requirement s excep t

fo r thos e specifie d i n paragrap h(d)(8 ) o

f thi s section

. (2 ) Pump s tha t

ar e no t i n food/medica l

. o r polymerizin g monomer

servic e shal l comply withal l requirement s o f thi s section

. (b ) Th e owne r

o r operato r shal l compl y withth e requirement s o f thi s sectio n unti l th e numbe r

o f leakin g pump s i s les s tha n th e greate r o f eithe r 1 0 percen t o f th e pump s or

3 pumps , a s calculate da s a6-month-rollin g average , i n th e proces s uni t

(or plan t site)

. Onc e th e performanc e leve l i s achieved , th e owne r o r operato r shal l compl y withth e requirement s i n § XX.X2-2

. (c ) I f i n asubsequen t

monitorin g perio dth e proces s uni t

(or plan t site ) ha s greate r

tha n 1 0 percen t

o f th e pump s leakin g or 3 pump s leakin g (calculate d a s a6-month-rollin g average) , th e owne r o r operato r shal l resum e th e quality improvemen t

programstartin g a t performanc e trials

. (d) Th e quality improvement program shal l includ e th e following : (1 ) Th e owne r

o r operato r shal l comply withth e requirement s i n § XX.X2-2

. (2 ) Th e owne r

o r operato r shal l collec t th e followin g data , an dmaintai n record s a s require di n § XX.X6(m) , fo r eac h pum p i n eac hproces s uni t

(or plan t site ) subjec t t o th e QIP

. Th e dat ama

y b e collecte dan dth e record s may b e , maintaine do n aproces s uni t o r plan t sit e basis

. (i) Pum p typ e (e.g. , piston , horizonta l o r vertica l centrifugal , gear , bellows) ; pum p manufacturer ; sea l typ e an d manufacturer ; pum

p desig n (e.g. , externa l shaft , flange dbody) ; material s o f construction ; i

f applicable , barrie r flui do r packin g material ; an dyear installed

. (ii ) Servic e characteristic s o f th e strea msuc ha s discharg e pressure , temperature , flo w rate , corrosivity , an d annua l operatin g hours

. (iii ) Th e maximu mInstrumen t reading s observe di n eac hmonitorin g observatio n before repair , respons e facto r fo r th e strea mi

f appropriate , instrumen t

mode l number , an ddat e of th e observation

. (iv) I f aleak i s detecte dth e repai r method s use dan dth e instrumen t reading s after

repair. (v) I f th e dat awil l b e analyze da s par t o f alarge r analysi s programinvolvin g dat afromothe r

plant s o r othe r type s o f proces s units , adescriptio n o f an y maintenanc e o r

qualit y assuranc e program s use di n th e proces s uni t tha t ar e intende dt o improv e emissio n performance

. (3 ) Th e owne r

or operato r shal l continu e t o collec t

dat ao n th e pump s a s lon g a s th e proces s uni t

(or plan t site ) remain s i n th e quality improvemen t program
. (4 ) Th e owne r

o r operato r shal l inspec t al l pump s or

pum p seal s whic h exhibite dfrequent

sea l failure s an d wer e remove dfromth e proces s uni t du e t o leaks

. Th e inspectio n shal l determin e th e probabl e caus e o

f th e pum p sea l failure or o f th e pum p leak an dshal l includ e recommendations , a s appropriate , fo

r desig n change s or change s i n specification s t o reduc e leak potential

. (5)(i) Th e owne r

or operato r shal l analyz e th e dat acollecte dt o comply withth e requirement s o

f paragrap h (d)(2 ) o f thi s sectio n t o determin e th e • services, operatin g or

maintenanc e practices , an dpum

p or pum p sea l design s or technologie s tha t

hav e poore r tha n averag e emissio n performanc e an d thos e tha t hav e bette r

tha n averag e emissio n performance

. Th e analysi s shal l determin e i

f specifi c troubl e area s ca n b e identifie do n th e basi s o f service , operatin g condition s or

maintenanc e practices , equipmen t

design , o r

othe r proces s specifi c factors

. (ii ) Th e analysi s shal l als o b e use dt o determin e i

f ther e ar e superio r performin g pum

p or pum p sea l technologie s tha t

ar e applicabl e t o th e servicefs) , operatin g conditions , or pum p o r pum p sea l design s associate dwit h poorer tha n averag e emissio n performance

. A superio r performin g pum p o r pum p sea l technolog y i s on e withaleak

frequency o

f les s tha n 1 0 • percen t fo r specifi c application s i n th e proces s uni t

o r plan t site

. A candidat e - superio r performin g pum

p o r pum p sea l technolog y i s on e demonstrate do r reporte di n th e availabl e literatur e o * throug hagroup stud y a s havin g le w emissio n performanc e an da s bein g capabl e o f achievin g les s tha n 1 0 percen t leakin g pump s i n th e proces s uni t (or plan t site)

. (iii ) Th e analysi s shal l includ e consideratio n of

: (A) Th e dat aobtaine dfro mth e inspection s o

f pump s an dpum

p seal s remove dfro

mth e proces s uni t

du e t o leaks ; (B ) Informatio n fro

mth e availabl e literatur e an dfro

mth e experienc e o

f othe r plan t site s tha t wil l identif

y pum p design s or technologie s an doperatin g condition s associate dwit hlo 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 pum p sea l technolog y operatin g condition s a s wel l a s informatio n o n maintenanc e procedure s t o ensur e continue dlo w emissio n performance

. (iv ) Th e dat aanalysi s ma y b e conducte dthroug ha n interio r intracompan y program(or throug hsom e combinatio n o

f th e tw o approaches ) an d may b e fo r asingl e proces s unit , aplan t site , acompany , o r

agroup o f proces s units

. (v) Th e firs t

analysi s o

f th e dat ashal l b e complete dn o late r

tha n 1 8 month s after th e star t o f th e quality improvemen t

program
. Th e firs t

analysi s shal l b e performe dusin g aminimumof 6 month s o f data

. An analysi s o

f th e dat a shal l b e don e eac hyear

th e proces s uni t i s i n th e quality improvemen t program
. (6 ) A tria l evaluatio n programshal l b e conducte da t

eac hplan t

sit e fo r whic h th e dat aanalysi s doe s no t identif y us e

. o f superio r performin g pum

p sea l technolog y or

pump s tha t

can b e applie d t o th e area s identifie da s havin g poore r tha n averag e performance , excep t a s provide di n paragrap h(d)(6)(v ) o f thi s section

. Th e tria l programshal l b e use d t o evaluat e th e feasibility o f usin g i n th e proces s uni t

(or plan t site ) th e pum

p design s or sea l technologies , an d operatin g an dmaintenanc e practice s tha t hav e bee n identifie db y other s a s havin g lo w emissio n performance

. (i ) Th e tria l programshal l includ e on
lin e trial s o

f pum p sea l technologie s o r pum p design s an doperatin g an d maintenanc e practice s tha t hav e bee n identifie di n th e availabl e literatur e or i n analysi s b y other s a s havin g th e ability t o perfor mwithleak

rate s belo w 1 0P.1 6



### Federa l Registe r/

Vol . 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 932 9

percen t i n similar

services, a s havin g lo w probability o

f failure , o r

a s havin g n o externa l actuating mechanis mi n contac t withth e 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 di n th e performanc e trials , th e reason s fo

r rejectin g specifi c technologie s fro

mconsideratio n shal l b e documente da s require di n § XX.X6(m)(6)(ii)

. (ii) Th e numbe r

o f pum p sea l technologie s or

pump s i n th e tria l evaluatio n programshal l b e th e lesse r o f 1 percen t or 2 pump s fo

r program s involvin g singl e proces s unit s an dth e lesse r o f 1 percen t or 5 pump s fo

r program s involvin g aplan t sit e o r group s o f proces s units

. Th e minimum numbe r o f pump s o r pum p sea l technologie s i n atria l programshal l b e 1

. (iii ) Th e tria l evaluatio n programshal l specif y an dinclud e documentatio n of : (A ) Th e candidat e superio r

performin g pum p sea l design s or

technologie s t o b e evaluated , th e stage s fo

r evaluatin g th e identifie dcandidat e pum

p design s o r pum p sea l technologies , includin g th e time perio dnecessar y t o tes t th e applicability ; (B ) Th e frequenc y o

f monitorin g o r inspectio n o

f th e equipment ; (C) Th e rang e o

f operatin g condition s ove r whic hth e componen t

wil l b e evaluated

. (D) Conclusion s regardin g th e emissio n performanc e an dth e appropriat e operatin g condition s an d 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 t

leas t fo r a6

- mont hperio dbeginnin g no t

late r tha n 1 8 month s after

th e star t o f th e quality improvemen t

program
. N o late r

tha n 2 4 month s after

th e star t o f th e quality improvemen t

program , th e owne r

o r operato r shal l hav e identifie dpum p sea l technologie s o r

pum p design s that , combine dwithappropriat e process , operating , an dmaintenanc e practices , operat e withlo w emissio n performanc e fo r specifi c applications i n th e proces s unit

. Th e owne r

or operato r shal l continu e t o conduc t

performanc e trial s a s lon g a s h o superio r

performin g desig n o r technolog y ha s bee n identified , excep t a s provide di n paragrap h (d)(6)(vi ) o

f thi s section

. Th e initia l lis t o f superio r emissio n performanc e pum p design s or pum p sea l technologie s shal l b e amende di n th e future , a s appropriate , a s additiona l informatio n an dexperienc e i s obtained

. (v) Any plan t

sit e withfewer

tha n 40 0 valve s an downe db y acorporatio n with fewer tha n 10 0 employee s shal l b e exemp t fro mtria l evaluation s o

f pum p seal s or

pum p designs

. Plan t

site s exemp t fromth e tria l evaluation s o f pump s shal l begi n th e pum p sea l o r pum p replacemen t

programa t

th e star t o f th e fourt hyear o f th e quality improvemen t

program
. (vi ) An owne r

o r operato r wh o ha s conducte dperformanc e trial s o n al l alternativ e superio r

emissio n performanc e technologie s suitabl e fo r th e require dapplication s i n th e proces s uni t may sto p conductin g performanc e trial s provide dtha t asuperio r performin g desig n or

technolog y ha s bee n demonstrate do 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 documentin g th e physical , chemical , o r

engineerin g basi s fo

r th e judgemen t

tha t th e superio r

emissio n performanc e technolog y i s technicall y - infeasibl e or

demonstratin g tha t

i t woul d no t reduc e emissions

. (7 ) Eac howne r

or operato r shal l prepar e an dimplemen t

apum p quality assuranc e programtha t

detail s purchasin g specification s an d maintenanc e procedure s fo r al l pump s an dpum p seal s i n th e proces s unit

. Th e quality assuranc e programmay establis han y numbe r

o f categories , o r classes , o f pump s a s neede dt o distinguis hamon g operatin g condition s an dservice s associate dwithpoorer tha n averag e emissio n performanc e a s wel l a s thos e associate dwithbette r tha n averag e emissio n performance

. Th e quality assuranc e programshal l b e develope dconsiderin g th e finding s o f th e dat aanalysi s requiredunde r paragrap h(d)(5 ) o

f thi s section , i

f applicable , th e finding s o

f th e tria l evaluatio n require di n paragrap h(d)(6 ) o f thi s section , an dth e operatin g condition s i n th e proces s unit

. Th e quality assuranc e programshal l b e update deac hyea r

a s lon g a s th e proces s uni t

ha s th e greate r

o f eithe r 1 0 percen t or more leakin g pump s or

ha s 3 leakin g pumps
. (i) Th e quality assuranc e program shall : (A ) Establis hminimumdesig n standard s fo

r eac hcategory o

f pump s o r pum p sea l technology

. Th e desig n standard s shal l specif

y know n critica l parameter s suc ha s tolerance , manufacturer , material s o f construction , previou s usage , o r

othe r applicabl e identifie dcritica l parameters ; (B ) Require tha t

al l equipmen t

order s specif y th e desig n standar d(or minimum tolerances ) fo

r th e pum p o r th e pum p seal ; (C) Provid e fo

r a n audi t procedur e fo

r quality contro l o

f purchase dequipmen t t o ensur e conformanc e wit hpurchas e specifications

. Th e audi t

programmay b e conducte db y th e owne r o r operato r o f th e plan t sit e o r proces s uni t

or b y a designate drepresentative

. (D) Detai l off-line pum

p maintenanc e an drepai r

procedures

. Thes e procedure s shal l includ e provision s t o ensur e tha t

rebuil t o r refurbishe dpump s an dpum p seal s wil l mee t

th e desig n specification s fo

r th e pum p category an d wil l operat e suc htha t

emission s ar e minimized

. (ii ) Th e quality assuranc e program shal l b e establishe dn o late r tha n th e star t o f th e thirdyear

o f th e quality improvemen t

programfo

r plan t site s with40 0 or more valves or

10 0 o r mor e employees ; an dn o late r

tha n th e star t

o f th e fourt hyea r of th e quality improvemen t

programfo

r plan t site s withles s tha n 400 valve s an dles s tha n 10 0 employees

. (8) Beginnin g a t

th e star t o f th e thir d yea r o f th e quality improvemen t programfo

r plan t site s wit h40 0 or more valve s o r 10 0 or more employee s an da t th e star t o f th e fourt hyea r o f th e quality improvemen t

programfo

r plan t site s withles s tha n 400 valve s an dles s tha n 10 0 employees , th e owne r

or operato r shal l replace, a s describe di n paragraph s (i) an d(ii ) o

f thi s paragraph , th e pump s o r

pum p seal s tha t

ar e no t superio r emissio n performanc e technolog y withpump s o r pum p seal s tha t hav e bee n identifie da s superio r emissio n performanc e technolog y an d tha t comply wit

hth e quality assuranc e standard s fo

r th e pum p category

. Superio r emissio n performanc e technolog y i s tha t

category or

desig n o f pump s or pum p seal s withemissio n performanc e which , whe n combine d withappropriat e process , operating , an d maintenanc e practices , wil l resul t i n les s tha n 1 0 percen t

leakin g pump s In

r specifi c application s i n th e proces s uni t o r plan t site

. Superio r

emissio n performanc e technolog y include s materia l o r

desig n change s to th e existin g pump , pum

p seal , sea l support 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 da t

th e rat e o

f 2 0 percen t pe r year base do n th e tota l numbe r o f pump s i n light

liqui dservice

. Th e calculate dvalu e shal l b e rounde dt o th e neares t nonzer o intege r

value

. Th e minimumnumbe r

o f pump s o r pum p seal s shal l b e one
. Pum

p replacemen t shal l continu e unti l al l pump s subjec t t o th e requirement s o

f S XX.X2- 2 ar e pump s determine dt o b e superio r performanc e technology

. (ii ) Th e owne r

or operato r may delay replacement

o f pum p seal s o r pump s withsuperio r

technolog y unti l th e nex tP.1 7

933 0 Federa l Registe r/ Vol . 56 , No

. 4 4 /

Wednesday ; Marc h6 , 199 1 / Propose dRule s wn^•HMam^
—» •1 1 ••••II—ran*—a*E——n****r a planne dproces s uni t

shutdown , provide dth e numbe r

o f pum p seal s an d pump s replace di s equivalen t t o th e 2 0 percen t o r greate r annua l replacemen t rate. , (iii ) Th e pump s shal l b e maintaine da s specifie du i th e 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

th e Clea n Ai r

Ac t shal l b e governe db y th e followin g procedures : (b ) Wher e th e standar di s a n equipment , design , o r

operationa l requirement : (1 ) Eac howne r

o r operato r applyin g fo r permissio n shal l b e responsible fo r collectin g an dverifyin g emissio n performanc e tes t

dat afo r a n alternativ e mean s o f emissio n limitation

. (2 ) Th e Administrato r

wil l compar e tes t dat afo r th e mean s o f

emissio n limitatio n t o tes t

dat afo r th e equipment , design , an doperationa l requirements

. - (3 ) Th e 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 dmaintenanc e t o achiev e th e sam e emissio n reductio n a s th e equipmen t design , an doperationa l requirements

. (c ) Wher e th e standar di s awor k practice : (1 ) Eac howne r

o r operato r applyin g fo r permissio n shal l b e responsibl e fo r collectin g an dverifyin g tes t dat afo r a n alternativ e mean s o f

emissio n limitation

. (2 ) Fo r eac hsourc e fo r

whic h permissio n i s requested , th e emissio n reductio n achieve db y th e require dwor k practice s shal l b e demonstrate dfo r a minimu mperio do f

1 2 months

. (3 ) Fo r eac hsourc e fo r

whic h permissio n i s requested , th e emissio n reductio n achieve db y th e alternativ e mean s o f emissio n limitatio n shal l b e demonstrated

. (4 ) Eac howne r

o r operato r applyin g fo r permissio n shal l commit , i n writing , fo r eac hsourc e t o wor k

practice s tha t provid e fo r

emissio n reduction s equa l t o o r greate r tha n th e emissio n reduction s achieve db y th e require dwor k practices

.

. (5 ) Th e Administrato r

wil l compar e th e demonstrate demissio n reductio n fo r th e alternativ e mean s o f emissio n limitatio n t o th e demonstrate demissio n reductio n fo r

th e require dwor k practice s an dwil l conside r th e commitmen t

i n paragrap h(c)(4 ) o f

thi s sectio n (6 ) Th e 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 dmaintenanc e t o achiev e th e sam e o r greate r emissio n reductio n a s th e require dwor k

practice s o f

thi s subpart

. (d ) A n owne r

o r operato r ma y offe r

a uniqu e approac ht o demonstrat e th e alternativ e mean s o f

emissio n limitation

. (e)(1 ) Manufacturer s o f equipmen t use dt o contro l equipmen t leak s o f a VHA P ma y appl y t o th e Administrato r fo r permissio n fo r

a n alternativ e mean s o f emissio n limitatio n tha t achieve s a reductio n i n emission s o f th e VHA P achieve db y th e equipment , design , an d operationa l requirement s o f thi s subpar t (2 ) Th e Administrato r

wil l gran t permissio n accordin g t o th e provision s o f paragraph s (b) , (c) , an d(d ) o f thi s section

. Sectio n XX.X4- 2 Alternativ e Mean s o f Emissio n Limitation : Batc hProcesse s (a ) A s a n alternativ e t o complyin g wit hth e requirement s o f § § XX.X2- 2 throug hXX.X2-10 , XX.X2-12 , XX.X2-13

. XX.X3-1 , an d§ XX.X3-2 , a n owne r o r operato r o f abatc hproces s tha t operate s i n VHA P servic e durin g th e calenda r yea r ma y compl y wit hon e o f th e standard s specifie di n paragraph s (b ) an d(c ) o f

thi s section , o r

th e owne r o r operato r ma y petitio n fo r

approva l o f a n alternativ e standar dunde r th e provision s o f

§ XX.X4-1

. Th e alternativ e standard s o f

thi s sectio n provid e th e option s o f

pressur e testin g o r

monitorin g th e equipmen t

fo r leaks

. (b ) Th e followin g requirement s shal l b e me t if a n owne r

o r operato r elect s t o us e pressur e testin g o f

batc hproduct

proces s equipmen t

t o demonstrat e complianc e wit hthi s subpart

. A n owne r o r operato r wh o complie s wit hth e provision s o f

thi s paragrap hi s exemp t fromth e monitorin g provision s o f § XX.X2-2 , § XX.X2-7 , § XX.X2-8 , XX.X2-10 , § XX.X2-12 , § XX.X2-13 , § XX.X3-1 , an d§ XX.X3- 2 o f thi s subpart

. (1 ) Eac htim e equipmen t i s reconfigure dfo r

productio n o f

aproduc t o r intermediate , th e batc hproduct

proces s equipmen t

trai n shal l b e pressure-teste dfo r

leak s befor e VHA P i s firs t fe dt o th e equipmen t

an dth e equipmen t

i s place di n VHA P service

. Whe n th e sea l i s broke n betwee n tw o item s o f equipmen t

o r whe n equipmen t i s change di n asectio n o f th e batc h product-proces s equipmen t train , pressur e testin g i s require donl y fo r th e ne w o r disturbe dequipment

. Eac hbatc h produc t proces s tha t

operate s i n VHA P servic e durin g acalenda r yea r shal l b e pressur e teste da t

leas t onc e durin g tha t calenda r year
. (2 ) Th e batc hproduc t

proces s equipmen t

shal l b e teste dwit haga s usin g th e procedure s specifie di n § XX.X5(f

) o r wit haliqui dusin g th e procedure s specifie di n § XX.X5(g)

. (3)(i ) Fo r pressur e test s usin g agas , a lea k i s detecte di

f th e rat e o f

chang e i n pressur e i s greate r

tha n 1 psi g in l hou r o r if ther e i s visible , audible , o r olfactor y evidenc e o f

flui dloss

. (ii ) Fo r pressur e test s usin g aliquid , a lea k i s detecte di f

ther e ar e indication s o f liquid s drippin g o r

if ther e i s othe r evidenc e o f

flui dloss

. (4)(i ) If alea k i s detected , i t

shal l b e repaire dan dth e batc hproduct-proces s equipmen t

shal l b e reteste dbefor e VHA P i s fe dt o th e equipment

. (ii ) If abatc hproduct-proces s fail s th e retes t o r th e secon do f

tw o consecutiv e pressur e tests , i t

shal l b e repaire da s soo n a s practicable , bu t no t late r tha n 3 0 calenda r day s afte r

th e equipmen t

i s place di n VHA P service , provide dth e condition s specifie di n paragrap h(d ) o f thi s sectio n ar e me t (c ) Th e followin g requirement s shal l b e me t if a n owne r

o r operato r elect s t o monito r th e equipmen t

t o detec t

leak s b y th e metho dspecifie di n § XX.X5(b ) t o demonstrat e complianc e wit hthi s subpart

. (1 ) Th e owne r

o r operato r shal l compl y wit hth e requirement s o f § § XX.X2- 2 t o XX.X2-9 , § § XX.X2-1 1 t o XX.X2-13 , XX.X3- 1 an d§ XX.X3-2

. (2 ) Th e equipmen t

shal l b e monitore d fo r leak s b y th e metho dspecifie di n § XX.X5(b ) whe n th e equipmen t i s i n VHA P service , i n us e wit ha n acceptabl e surrogat e volatil e organi c compoun dwhic hi s no t aVHA P o r

i s i n us e wit han y othe r

detectabl e ga s o r vapor
. (3 ) Th e equipmen t

shal l b e monitore d; fo r leak s a s specifie dbelow : (i ) Eac htim e th e equipmen t i s reconfigure dfo r

th e productio n o f

a product , th e reconfigure dequipmen t shal l b e monitore dfo r

leak s withi n 3 0 day s o f bein g returne dt o VHA P service

. Thi s initia l monitorin g o f reconfigure d equipmen t

shal l no t

b e include di n determinin g percen t

leakin g equipmen t (ii ) Connector s shal l b e monitore di n accordanc e wit hth e requirement s i n § XX.X2-13

. (iii ) Equipmen t

othe r tha n connector s shal l b e monitore da t

th e frequencies specifie di n th e tabl e belo w b y th e proportio n o f

th e yea r th e batc hproduct

proces s equipmen t

trai n i s operatin g wit hprocesse s tha t

us e VHA P an dth e : monitorin g frequency fo r continuou s processes
. . ,P.1 8



### Federa l Registe r/Vol
. 56 , No

. 4 4 / Wednesday , Marc h6 , 199 1 / Propose dRule s 933 1

Batc h process tim e i n use

Ot o <25 % , , 2 5 t o <50 %
6 0 t o <75 %
7 5 t o ioo%-....:.:.

. Equivalen t continuou s process monitorin g frequenc

y Monthly

. Quarterly.

. Quarterly.

. Bimonth ly

. Monthly...

. Quarterl y

Annually..

. Semian -

. . nually

. Thre e
•times

. Quarterly.

. Semian nuall y Annually

. Annually

. Semian nually

. Semian nually

. 

### (iv) Valve s may b e monitore donc e pe r year an dpump s an dagitator s may b e monitore donc e pe r

quarte r i f th e time eac hindividua l ite mo f equipmen t i s i n VHA P servic e i s les s tha n 2190 hour s i n acalenda r

year
. (v) Th e monitorin g frequencies specifie di n paragrap h(c)(3)(iii ) o f thi s sectio n ar e riot requirements fo r monitorin g at

specifi c interval s an dca n b e adjuste dt o accommodat e proces s operations

. A n owne r

or operato r may monito r anytim e durin g th e specifie d monitorin g perio d(e.g. , month , quarter , year) , provide dth e monitorin g i s conducte dat

areasonabl e interva l after completio n o

f th e las t monitorin g campaign

. For

example , i

f th e equipmen t i s no t operatin g durin g th e schedule d monitorin g period , th e monitorin g ca n b e don e durin g th e nex t

perio dwhe n th e proces s i s operating

. (4 ) I f aleak i s detected , i t

shal l b e repaire da s soo n a s practicabl e bu t no t late r tha n 1 5 calenda r

day s after

i t i s detected , excep t

a s provide di n paragrap h(d

) o f thi s section

. (d ) Delay o f repai r o f equipmen t

fo r whic hleak s hav e bee n detecte di s allowe di f th e replacemen t

equipmen t

i s no t availabl e providin g th e followin g condition s ar e met : (1 ) Equipment

supplie s hav e bee n deplete dan dsupplie s ha dbee n sufficiently stocke dbefore th e supplie s wer e depleted

. (2 ) Th e repai r

i s mad e n o late r

tha n 1 0 calenda r day s after

deliver y o f th e replacemen t

equipment

. 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 di n suc ha manne r tha t al l emission s fro

m equipmen t

leak s ar e vente dthroug ha closed-ven t

syste mt o acontro l devic e meetin g th e requirement s o f § XX.X2-1 1 ar e exemp t

fro mth e monitorin g requirement s o

f § § XX.X2-2 , XX.X2-7 , XX.X2-8 , XX.X2-12 , an dXX.X2-13

. Th e enclosur e shal l b e maintaine dunde r a negativ e pressur e a t

al l time s whil e th e proces s uni t

i s i n operatio n to ensur e tha t al l emission s ar e route dt o acontro l device

. Sectio n XX.X 5 Tes t Method s an d Procedure s (a) Eac howne r

o r operato r subject , t o th e provision s o

f thi s subpar t

shal l comply withth e tes t

method s an d procedure s requirement s provide din

. thi s section

. (b ) Monitoring , a s requiredi n § XX.X2 , § XX.X3 , an d§ XX.X4 , shal l comply withth e followin g requirements : (1 ) Monitorin g shal l comply with

. Referenc e Metho d21,4 0 CF Rpar t 60

. (2 ) Th e detectio n instrumen t shal l mee t th e performanc e criteri ao f Referenc e Metho d21,4 0 CF Rpar t 60

. (3 ) Th e instrumen t

shal l b e calibrate d before us e o n eac hda y of it s us e b y th e procedure s specifie di n Referenc e Metho d21

. (4) Calibratio n gase s shal l be : (i) Zer o ai r

(les s tha n 0. 2 pp mo

f hydrocarbo n i n air) ; an d (ii)(A) For Phas e I , amixtur e o

f methan e i n ai r

a t aconcentratio n o

f approximately , bu t

les s than , 10,00

0 ppm
. (B ) For Phase II , amixtur e o

f methan e an dai r a t aconcentratio n o

f approximately , bu t

les s than , 10,00

0 pp m fo r agitators , 5,00

0 pp mfo r pumps , an d 50 0 pp mfo r al l othe r equipment , excep t a s provide di n subparagrap h(b)(4)(iii ) o f thi s section

. (C) For Phase III , amixtur e o

f methan e an dai r

a t aconcentratio n o

f approximately , bu t

les s than , 10,00

0 pp m methan e fo

r agitators , 2,00

0 pp mfo r pump s i n food/medica l service , 5,00 0 pp mfo r pump s i n polymerizin g monomer service , 1,00

0 pp mfo r al l othe r pumps , an d50

0 pp mfo r al l othe r equipment , excep t

a s provide di n subparagrap h(b)(4)(iii ) o

f thi s section

. (iii ) Th e instrumen t

may b e calibrate d a t ahigher methan e concentratio n up t o 2,00 0 pp mtha n th e leak

definitio n concentratio n fo

r aspecifi c piec e o

f equipmen t

fo r monitorin g tha t

piec e o f equipment

. Th e instrumen t may no t b e calibrate da t

alowe r methan e concentratio n tha n th e lea k definitio n concentratio n fo

r aspecifi c piec e o

f equipmen t (5 ) Th e instrumen t

prob e shal l b e traverse daroun dal l potentia l leak interface s a s clos e t o th e interfac e a s possibl e a s describe di n Referenc e Metho d21 , 40 CF

Rpar t 60

. (6 ) Th e instrumen t

respons e factor s shal l b e considere di n th e followin g manner : (i) Th e respons e factor s use dshal l b e th e instrumen t

respons e facto r determine dfo

r th e individua l VHA

P a t 50 0 ppm
. Th e respons e factor s ma y b e obtaine dfro

mth e availabl e literature , ' th e instrumen t

manufacturer , or determine dfo r th e specifi c instrumen t an dVHAP

. (ii) Chemical compositio n o f individua l proces s stream s ma y b e determine db y sampling , engineerin g calculations , o r

proces s knowledge

. A separat e determinatio n fo r eac hstrea m i s no t necessar y i

f al l o r portion s o

f th e proces s uni t

can b e show n t o exhibi t simila r composition

. Th e basi s fo r al l proces s strea mcompositio n determination s shal l b e documente da s require di n § XX.X6(b)(ll)

. (iii ) I f th e respons e factor s a t

50 0 pp m fo r th e VHAP' s tha t

accoun t fo r 9 0 percen t o r more b y weight

o f th e proces s strea mar e al l les s tha n 3 , th o instrumen t reading s may b e use dwithou t adjustmen t

fo r respons e factors

. (iv) I f an y o f th e respons e factor s at 50 0 pp mfo r th e VHAP' s that

accoun t fo r 9 0 percen t

o r more b y weight

o f th e proces s strea mi s 3 o r

greater , the n a weighte daverag e respons e facto r fo r th e VHA P i n th e proces s strea mshal l b e calculate dusin g th e procedure s specifie di n paragrap h(b)(6)(v ) o f thi s section

. I f th e proces s strea mweighte d averag e respons e facto r

i s les s tha n 3 , th e instrumen t

reading s ma

y b e use d withou t adjustmen t

fo r respons e factors

. I f th e proces s strea mweighte daverag e response facto r

i s greate r tha n 3 , th e instrumen t

reading s shal l b e adjuste d fo r respons e factor s a s indicate dbelow : (A ) Adjus t th e instrumen t

reading s b y multiplyin g b y th e respons e factor , (B ) Selec t anothe r instrument , determin e or

obtai n instrumen t

respons e factor s fo r th e VHA P in question , an d evaluat e th e nee dfo

r adjustmen t

a s specifie di n paragraph s (b)(6)(lii ) an d (b)(6)(iv ) o

f thi s section , o r (C) Calibrat e th e instrumen t wit ha different referenc e compoun dor

mixtur e (i.e. , on e o f th e VHAP , aVO C othe r

tha n methane , or

th e proces s strea mmixture ) s o tha t th e instrumen t

ha s arespons e facto r fo r 9 0 percen t

o f th e VHA P or fo r th e proces s strea mles s tha n 3

. (v) Th e proces s strea maverag e respons e facto r

shal l b e calculate da s follows :

7. (%Q ) (RF C1 ) 1 = 1 RF...** * 

### n 2 (%C J 1= 1


### Where : RF.» , = Weighte

daverage respons e factor

. %C , = Mola r fraction , o r volum e percen t i f i n gaseou s form

, o f organi c compoun di i n th e proces s stream

.P.1 9



### 933 2 Federa

l Registe r/

Vol

. 56 , No

. 4

4 / Wednesday , Marc h6 , 199 1 / Propose dRule s

RFd= Respons e facto r

o f th e instrumen t

fo r organi c compoun di at

50 0 ppm
. (c ) Whe n equipmen t

i s teste dfo r complianc e a s require di n § XX.X2-3(i) , § XX.X2-4 , an d§ XX.X2-ll(f) , th e tes t shal l compl y wit hth e followin g requirements : (1 ) Th e requirement s o f paragraph s (b)(1 ) throug h(4 ) of

thi s sectio n shal l apply

. (2 ) Th e backgroun dleve l shal l b e determined , a s se t

fort hi n Referenc e Metho d21 , 4 0 CFRpar t 60

. (3 ) Th e instrumen t

prob e shal l b e traverse daroun dal l potentia l lea k interface s a s clos e t o th e interfac e a s possibl e a s describe di n Referenc e Metho d21 , 4 0 CFRpar t 60

. (4 ) Th e arithmeti c differenc e betwee n th e maximu mconcentratio n indicate d b y th e instrumen t

an dth e backgroun d leve l i s compare dwit h50 0 pp mfo r determinin g compliance

. (d)(1 ) Eac hpiec e of

equipmen t

withi n aproces s uni t

tha t ca n reasonabl y b e expecte dt o contai n equipmen t i n VHA P servic e i s presume dt o b e i n VHA P servic e unles s a n owne r o r operato r demonstrate s tha t

th e piec e o f equipmen t

i s no t i n VHA P service

. Fo r

a piec e o f equipmen t

t o b e considere dno t i n VHA P service , i t

mus t b e determine d tha t th e percen t

VHA P conten t

ca n b e reasonabl y expecte dno t t o excee d5 percen t b y weigh t

durin g th e calenda r year
. Fo r purpose s of

determinin g th e percen t VHA P conten t

o f th e proces s flui dtha t i s containe di n o r

contact s equipmen t

Metho d1 8 shal l b e used

. (2)(i ) A n owne r

o r operato r ma y us e goo dengineerin g judgmen t rathe r than , th e procedure s i n paragrap h(d)(1 ) o f thi s sectio n t o determin e tha t th e percen t VHA P conten t

doe s no t

excee d 5 percen t b y weight

. Whe n a n owne r o r operato r an dth e Administrato r d o no t agre e o n whethe r

apiec e of

equipment , i s no t i n VHA P service , however , th e procedure s i n paragrap h(d)(1 ) of thi s sectio n shal l b e use dt o resolv e th e disagreement

. (ii ) Conversely , th e owne r o r operato r ma y determin e tha t

th e VHA P conten t o f th e proces s fluiddoe s no t excee d5 percen t b y weigh t

by,-fo r example , accountin g fo r

9 8 percen t

o f th e conten t an dshowin g tha t

VHA P i s les s tha n 3 percent

. (3 ) I f a n owne r

o r operato r determine s tha t apiec e o f

equipmen t

i s i n VHA P service , th e determinatio n ca n b e revise dafte 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 t

achang e i n th e proces s o r

ra w material s n o longe r cause s th e equipmen t

t o b e i n VHA P service

. (4 ) Sample s use di n determinin g th e percen t VHA P conten t

shal l b e representativ e o f th e proces s fluidtha t i s containe di n o r

contact s th e equipment

. (e ) Referenc e rhethod s use di n determinin g complianc e wit hflare s ar e thos e require di n §

> 60.18

. (f ) Th e followin g procedure s shal l b e use dt o pressur e tes t

batc hproduct

proces s equipmen t

usin g aga s (e.g. , ai r o r nitrogen ) t o demonstrat e complianc e wit hth e requirement s of § XX.X4

- 2(b](3)(i)

. (1 ) Th e batc hproduct-proces s equipmen t

trai n shal l b e pressurize d wit haga s t o th e operatin g pressur e o f th e equipment

. Th e equipmen t shal l no t b e teste da t

apressur e greate r

tha n th e pressur e settin g o f

th e lowes t

relie f valv e setting

. (2 ) Onc e th e tes t

pressur e i s obtained , th e ga s sourc e shal l b e shu t off

. (3 ) Th e tes t

shal l continu e fo r

no t les s tha n 1 5 minute s unles s i t ca n b e determine di n ashorte r perio do f

tim e tha t th 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 t shal l b e measure dafte r

th e ga s sourc e i s shu t

of f an da t th e en do f

th e tes t period

. Th e rat e o f chang e i n pressur e i n th e batc h product-proces s equipmen t shal l b e calculate dusin g th e followin g equation :

P (P,-P J 4 —= t (tf-t j

where :

= chang e in pressure , psig/h r

P , = fina l pressure , psi g P , = initial pressure , psi g > t f —t i = elapse dtime , hour s (4 ) Th e pressur e shal l b e measure d usin g apressur e measuremen t devic e (gauge , manometer , o r

equivalent ) whic h ha s aprecisio n o f

±2. 5 m mH g i n th e rang e o f tes t pressur e an di s capabl e of measurin g pressure s u p t o th e relie f se t pressur e o f

th e pressur e relie f

device

. (g ) Th e followin g procedure s shal l b e ' use dt o pressure-tes t

batc hproduct

proces s equipmen t

usin g aliqui dt o demonstrat e complianc e wit hth e requirement s of

§ XX.X4-2(b)(3)(ii)

. ' (1 ) Th e batc hproduct-proces s equipmen t

train , o r sectio n o f

th e train , shal l b e fille dwit hth e tes t liqui d(e.g. , water , alcohol)

. Onc e th e equipmen t i s filled , th e liqui dsourc e shal l b e shu t off

. (2 ) Th e tes t

shal l b e conducte dfo r a perio do f a t leas t 6 0 minutes , unles s i t ca n b e determine di n ashorte r perio do f tim e tha t th e tes t i s afailure

. (3 ) Eac hsea l i n th e equipmen t bein g teste dshal l b e inspecte dfo r indication s o f liqui ddrippin g o r

othe r indication s o f fluidloss

. I f

ther e ar e an y indication s o f liquid s drippin g o r

of flui dloss , alea k

\p 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 t

subjec t t o th e provision s o f

thi s subpar t

ma y compl y wit hth e recordkeepin g requirement s fo r thes e proces s unit s i n on e recordkeepin g syste mif th e syste midentifie s eac h recor db y proces s uni t

an dth e progra m bein g implemente d(e.g. , quarterl y monitoring , qualit y improvement ) fo r eac htyp e o f

equipment

. Al l record s an d informatio n require db y thi s sectio n shal l b e maintaine di n amanne r tha t ca n b e readil y accesse da t th e plan t

site

. Thi s coul dinclud e physicall y locatin g th e record s a t

th e plan t

sit e o r accessin g th e record s fro macentra l locatio n b y compute r a t th e plan t

site

. (b ) Excep t

a s provide di 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 hproces s uni t

subjec t t o th e ' requirement s i n § XX.X2- 1 t o § XX.X2

- 1 3 shal l b e recorded : (l)(i ) A lis t

o f identificatio n number s fo r equipmen t

(excep t connector s exemp t frommonitorin g an d recordkeepin g identifie di n § XX.X2-1 3 an dinstrumentatio n systems ) subjec t t o th e requirement s o f

thi s subpar t

an da sit e layou t

showin g th e relativ e locatio n o f th e equipmen t

i n th e proces s uni t Connector s nee dno t

b e individuall y identifie di f

al l Connector s i n a' designate dare ao r

lengt ho f

pip e subjec t t o th e provision s of

thi s subpar t

ar e identifie da s agroup , an dth e numbe r o f connector s subjec t

i s indicated

. (ii ) A tabl e listin g th e monitorin g frequenc y an dothe r

provision s o f

thi s subpar t tha t ar e bein g implemente dfo r eac hite mo f

equipment

. (iii ) Physica l taggin g of

th e equipmen t t o indicat e tha t

i t i s i n VHA P servic e is

. no t required

. Equipmen t

subjec t t o th e provision s o f

thi s subpar t

ma y b e identifie do n aplan t

sit e plan , i n lo g entries , o r

b y othe r appropriat e methods

. (2)(i ) A lis t

o f identificatio n number s fo r compressor s tha t

th e owne r

o r operato r elect s t o designat e a s operatin g wit ha n instrumen t

readin g o f

les s tha n 50 0 pp mabov e background , unde r th e provision s of

XX.X2-3(i)

. (ii ) Th e designatio n of

thi s equipmen t a s subjec t

t o th e requirement s o f § XX.X2-3(i ) shal l b e signe db y th e owne r o r operator

.P.2 0



## Federa l Registe r / Vol

. 56, No

. 4

4 / Wednesday , Marc

h6, 199 1 /

ProposedRule s (3 ) A lis t o f equipmen t

identificatio n number s fo

r pressur e relie f

device s require dt o comply with§ XX.X2-4(a)

. (4)(i) Th e date s an dresults o f eac h complianc e tes t

require di n § XX.X2-3(i) an dXX.X2-4

. (ii ) Th e backgroun dleve l measure d durin g eac hcomplianc e test

. (iii ) Th e maximu minstrumen t readin g measure da t

eac hpiec e o

f equipmen t durin g eac hcomplianc e test

. (5 ) A lis t o f identificatio n number s fo r equipmen t

i n vacuu mservice

. (6 ) Instrumentatio n syste m identification

. Individual component s i n th e instrumentatio n syste mnee dno t b e identified

. (7 ) A lis t o f identificatio n number s fo r equipmen t

i n VHA P servic e les s tha n 30 0 hour s pe r

year withi n aproces s uni t subjec t t o th e provision s o

f thi s subpar t unde r § XX.XO

. (8)(i) Identification , eithe r b y list , locatio n (are aor

grouping) , o r

taggin g o f connector s disturbe dsinc e th e las t monitorin g perio drequire di n § XX.2r13(b) , a s describe di n § XX.X2-l3(c)

. (ii) Th e dat e an dresult s o f followup monitorin g a s require di n § XX.X2-13(c)

. I f identificatio n o

f disturbe dconnector s i s mad e b y location , the n al l connector s withi n th e designate dlocatio n shal l b e monitored

. (9) A lis t o f reconfigure dequipmen t

i n batc hproduc t

proces s unit s sinc e th e las t monitorin g perio drequire di n i XX.X4-2(c)(3)(iiHiv) , a s describe di n § XX.X4-2(c)(3)(i)

. (10 ) A lis t o f valve s remove dfroman d adde dt o th e proces s unit , a s considere d i n § XX.X2-7(e)(l) , an dalis t o f connector s removed froman dadde dt o th e proces s unit , a s considere di n § XX.X2-13(i)(l)

. Thi s i s no t require d unles s th e ne t

credit s fo r remove d valve s an dconnector s ar e expecte dt o b e used

. (11 ) Documentatio n o

f proces s strea m compositio n a s require di n § XX.X5(b)(6)(ii)

. (12 ) Identificatio n o

f screwe d connector s subjec t

to th e requirement s o f § XX.X2-l3(c)(2)

. Identificatio n ca n b e b y are ao r

groupin g a s long a s th e tota l numbe r withi n eac hgroup o r

are ai s recorded

. (13 ) Identificatio n o

f welde d connector s monitore do r

teste da s requiredi n § XX.X2-13(b)(4) , th e dat e o f th e weld , an dth e dat e o

f monitorin g o r testing

. (c ) Whe n eac hlea

k i s detecte da s specifie di n § XX.X2-2 , § XX.X2-3 , § XX.X2-7 , § XX.X2-8 , § XX.X2-11 , § XX.X2-12 , an d§ XX.X2-13 , th e followin g requirement s apply : (1 ) A weatherproo f

an dreadil y visibl e identification , marke dwit hth e equipmen t identificatio n number , shal l b e attache dt o th e leakin g equipmen t (2 ) Th e identificatio n o n avalv e o r connecto r may b e remove dafter

it ha s bee n monitore da s specifie di n § XX.X2

- 7(f)(3 ) § XX.X2-13(e) , an d§ XX.X3

- l(e)(7)(i)(D) , an dn o leak

ha s bee n detecte ddurin g th e followup monitoring

. (3 ) Th e identificatio n o n equipment , excep t o n avalv e or

connector , ma

y b e remove dafter

i t ha s bee n repaired

. (d) Whe n eac hleak

i s detecte da s specifie di n § XX.X2-2 , § XX.X2-3 , § XX.X2-7 , § XX.X2-8 , § XX.X2-11 , § XX.X2-12 , an d§ XX.X2-13 , th e followin g informatio n shal l b e recorded an dkep t fo r 2 years : (1 ) Th e instrumen t

an doperato r identificatio n number s an dth e equipmen t

identificatio n number

. (2 ) Th e dat e th e leak

wa s detecte d an dth e date s o

f eac hattemp t

t o repai r th e leak

. (3 ) Repai r method s applie di n eac h attemp t t o repai r th e leak

. (4 ) Maximuminstrumen t

readin g measure db y th e metho dspecifie di n § XX.X5(b) after

i t i s successfull y repairedo r

determine dt o b e nonrepairable

. (5 ) "Repai r

delayed " an dth e reaso n fo r th e delay i

f aleak i s no t repaire d withi n 1 5 calenda r

day s after

discovery o f th e leak

. I

f delay o f repai r wa s caus e b y depletio n o

f stocke dparts , ther e mus t b e documentatio n tha t

th e spar e part s wer e sufficiently stocke dbefore depletio n an dth e reaso n fo r depletion

. (6 ) Th e signatur e o

f th e owne r

o r operato r (or designate ) whos e decisio n i t wa s tha t repair coul dno t b e effecte d withou t aproces s uni t

shutdown

. (7 ) Th e expecte ddat e o

f successfu l repai r o f th e leak i f aleak i s no t repairedwithi n 1 5 calenda r days

. (8 ) Date s o

f proces s uni t

shutdown s tha t occur whil e th e equipmen t

i s unrepaired

. (9) Th e dat e o

f successfu l repai r

o f th e leak

. (e) Th e followin g informatio n shal l b e recorde dfo

r eac hproces s uni t

subjec t t o th e requirement s o

f § XX.X2- 2 t o § XX.X2-13 : (1 ) A schedul e o

f monitorin g fo

r valve s an dfo

r connectors

. (2 ) Th e numbe r

o f leakin g pumps , th e tota l numbe r

o f pumps , an dth e percen t leakin g pump s durin g eac hmonitorin g period

. (3 ) Th e numbe r

o f leakin g valves , th e tota l numbe r

o f valves , al l ne t

credit s fo r remove dvalves (only i

f credit s ar e taken) , th e numbe r

o f nonrepairabl e valves , an dth e percen t

leakin g valves durin g eac hmonitorin g period

. (4 ) Th e numbe r

o f leakin g connectors , th e tota l numbe r

o f monitore d connectors , al l net

credit s fo r remove d connector s (only i f credit s ar e taken) , th e numbe r

o f nonrepairabl e connectors , an dth e percen t

leakin g connector s durin g eac hmonitorin g period

. Th e numbe r o f leakin g screwe dconnectors , th e tota l numbe r

o f monitore dscrewe d connectors , an dth e percen t leakin g screwe dconnector s durin g eac h monitorin g period

. (5 ) Th e date s an dduration s o f (i) startup s an dshutdown s o f a proces s unit , an d (ii ) an y unschedule dwor

k practic e o r operationa l procedur e tha t stop s productio n fro

maproces s uni t

o r par t or " aproces s uni t

tha t i s no t define da s a proces s uni t

shutdown

. I

f th e duratio n exceed s 2 4 hours , th e calculation s use d i n determinin g tha t

emission s fro

m clearin g proces s materia l fro mth e proces s uni t

o r par t o f th e proces s uni t woul dexcee demission s fro mdelay o f repair o f leakin g component s unti l th e nex t schedule dshutdow n shal l b o recorded

. Th e calculatio n shal l assum e tha t th e purge dmateria l i s collecte dan d destroye dor

recovere di n acontro l devic e complyin g with§ XX.X2-11

. (f ) Th e owne r

or operato r o f abatc h produc t proces s wh o elect s t o pressur e tes t th e batc hproduc t

proces s equipmen t

trai n t o demonstrat e complianc e wit

hthi s subpar t

i s exemp t fro mth e requirements o

f paragraph s (b) , (c) , (d) , (e) , (i) , an d(m

) o f thi s section

. Instead , th e owne r

o r operato r shal l maintai n record s o

f th e followin g information : (1 ) A lis t o f identificatio n number s fo r eac hbatc hproduc t

proces s equipmen t trai n use dt o produc e producto durin g th e calenda r

year an dth e are ao

f th e plan t sit e wher e th e equipmen t trai n i s located

. (2 ) Record s demonstratin g th e equipmen t

i s i n us e i n abatchproces s durin g th e calenda r

year
. Example s 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 t

or averag e time I

n us e fo r th e proces s unit

. (3 ) Physical taggin g o

f th e equipmen t t o identif y tha t it i s i n VHA

P servic e an d subjec t t o th e provision s o

f thi s subpar t i s no t required

. Equipment

i n abatc h produc t proces s subjec t

t o th e provision s o

f thi s subpar t

ma y b e identifie do n aplan t

sit e plan , i n lo g entries , o r b y othe r appropriat e methods

. (4 ) Th e date s o

f eac hpressur e tes t require di n § XX.X4-2(b) , th e tes t pressure , an dth e pressur e dro p observe ddurin g th e test

. (5 ) Record s o

f an y visible , audible , o r olfactor y evidenc e o

f fluidloss

. (g) Whe n abatc hproduc t

proces s equipmen t

trai n doe s no t

pas s 2P.2 1

933 4 Federa l Registe r/ Vol

. 56 , No

. 4 4 /

Wednesday , Marc h6 , 199 1 / Propose dRule s

consecutiv e pressur e tests , th e followin g informatio n shal l b e recorde di n alo g an dkep t fo r 2 years : (1 ) Tn e dat e o f

eac hpressur e tes t

an d th e dat e o f

eac hlea k

repai r attempt

. (2 ) Repai r

method s applie di n eac h attemp t t o repai r

th e leak

. (3 ) Th e reaso n fo r

th e dela y o f

repair

. (4 ) Th e expecte ddat e fo r deliver y o f th e replacemen t

equipmen t

an dth e actua l dat e o f

deliver y o f

th e replacemen t

equipmen t (5 ) Th e dat e o f

successfu l repair , (h ) Th e followin g informatio n pertainin g t o th e desig n requirement s fo r closed-ven t

system s an dcontro l device s describe di n § XX.X2-1 1 shal l b e recorded : (1 ) Detaile dschematics , desig n specifications , an dpipin g an d instrumentatio n diagrams

. (2 ) Th e date s an ddescription s o f an y change s i n th e desig n specifications

. (3 ) A descriptio n o f

th e paramete r

o r parameter s monitored , a s require di n § XX.X2-ll(e) , t o ensur e tha t contro l device s ar e operate dan dmaintaine di n conformanc e wit hthei r desig n an da n explanatio n o f

wh y tha t

paramete r

(o r parameters ) wa s selecte dfo r th e monitoring

. (4 ) Date s an dduration s whe n th e closed-ven t

'system s an dcontro l device s require di n § XX.X2-2 , § XX.X2-3 , § XX.X2-4 , § XX.X2-5 , an d§ XX.X2- 9 ar e no t operate da s designe da s indicate db y th e monitore dparameters , includin g period s whe n aflar e pilo t ligh t syste mdoe s no t

hav e aflame. (5 ) Date s an dduration s durin g whic h th e monitorin g syste mo r monitorin g devic e i s inoperative

. (6 ) Date s an dduration s o f startup s an dshutdown s o f

th e closed-ven t system s an dcontro l device s requiredi n § XX.X2-2 , § XX.X2-3 , § XX.X2-4 , § XX.X2-5 , an d§ XX.X2-9

. (i ) Th e followin g informatio n pertainin g t o al l valve s subjec t t o th e requirement s o f

§ XX.X2-7(h ) an d(i ) an dal l connector s subjec t t o th e requirement s o f

§ XX.X2-l3(f) , (g) , an d (h ) shal l b e recorded : (1 ) A lis t o f identificatio n number s fo r vaive s an dconnector s tha t ar e designate da s unsafe t o monitor , a n explanatio n fo r

eac hvalv e an d connecto r

statin g wh y th e valv e o r connecto r

i s unsafe t o monitor , an dth e pla n fo r monitorin g eac hvalv e an d connector

. (2 ) A lis t o f identificatio n number s fo r valve s tha t

ar e designate da s difficul t t o monitor , a n explanatio n fo r eac hvalv e statin g wh y th e valv e i s difficul t t o monitor , an dth e planne dschedul e fo r monitorin g eac hvalve

. (3 ) A lis t o f identificatio n number s fo r connector s tha t

ar e designate da s unsafe t o repai r an da n explanatio n fo r eac hconnecto r

statin g wh y th e connecto r

i s unsaf e t o repair

. (j ) Th e followin g informatio n shal l b e recorded : (1 ) Desig n criterio n require di n § XX.X2-2(e)(5 ) an d§ XX.X2-3(e)(2 ) an d a n explanatio n o f

th e desig n criterion ; an d (2 ) An y change s t o thi s criterio n an d th e reason s fo r

th e changes

. (k ) Information , data , an danalysi s use dt o determin e tha t

apiec e o f equipmen t

o r proces s uni t

i s i n heav y liqui dservic e o r

i s no t i n VHA P servic e shal l b e recorded

. Suc hadeterminatio n shal l includ e a n analysi s o r demonstratio n tha t

th e fee do r

ra w materials , products , by-products , co
products , o r

intermediate s d o no t includ e sufficien t

chemical s liste di n § XX.X8- 1 t o mee t

th e criteri ao f

"i n VHA P service"

. Example s o f informatio n tha t

coul ddocumen t

thi s include , bu t

ar e no t limite dto , record s o f chemical s purchase dfo r th e process , analyse s o f

proces s strea mcomposition , engineerin g calculations , o r proces s knowledge

. (1 ) Th e dat e an dduratio n o f eac h proces s uni t

startu p an dshutdow n shal l b e recorded

. (m ) Eac howne r

o r operato r o f a n affecte dproces s uni t

subjec t t o th e requirement s o f

§ XX.X3- 1 an d § XX.X3- 2 shal l maintai n th e followin g record s fo r

th e perio do f

th e QI P fo r

th e affecte dproces s unit : (1 ) Fo r owner s o r

operator s wh o elec t t o us e areasonabl e furthe r progres s QEP, a s specifie di n § XX.X3-l(d) : (i ) Al l dat arequire di n § XX.X3

- 1(d)(2)

. (ii ) Th e percen t

'leakin g valve s observe deac hquarte r

an dth e rollin g averag e percen t

reductio n observe di n eac hquarter

. (iii ) Th e beginnin g an dendin g date s whil e meetin g th e requirement s o f § XX.X3-l(d)

. (2 ) Fo r owner s o r

operator s wh o elec t t o us e atechnolog y revie w an d improvemen t

QIP , a s specifie di n § XX.X3-l(e) : (i ) Al l dat arequire di n § XX.X3

- 1(e)(2)

. (ii ) Th e percen t

leakin g valve s observe deac hquarter

. (iii ) Documentatio n of

al l inspection s conducte dunde r

th e requirement s o f § XX.X3-l(e)(4 ) an dan y recommendation s fo r

desig n o r specificatio n change s t o reduc e lea k frequency. (iv ) Th e beginnin g an dendin g date s whil e meetin g th e requirement s o f § XX.X3-l(e)

. (3 ) Fo r owner s o r

operator s subjec t

t o th e requirement s o f

th e pum p QI P a s specifie di n § XX.X3-2 : (i ) Al l dat arequire di n § XX.X3

- 2(d)(2)

. (ii ) Th e rollin g averag e percen t leakin g pumps
. (iii ) Documentatio n o f

al l inspection s conducte dunde r

th e requirement s o f §XX.X3- 2 (d)(4 ) an dan y recommendation s fo r

desig n o r specificatio n change s t o reduc e lea k frequency

. (iv ) Th e beginnin g an dendin g date s whil e meetin g th e requirement s o f § XX. l X3-2(d)

. (4 ) I f alea k i s no t repaire dwithi n 1 5 calenda r day s afte r

discover y o f

th e leak , th e reaso n fo r

th e dela y an dth e expecte ddat e o f

successfu l repair. (5 ) Record s o f

al l analyse s require di n § XX.X3-l(e ) an d§ XX.X3-2(d)

. Th e record s wil l includ e th e following : (i ) A lis t identifyin g area s associate d wit hpoore r

tha n averag e performanc e an dth e associate dservic e characteristic s o f

th e stream , th e operatin g condition s an dmaintenanc e practices

. (ii ) Th e reason s fo r

rejectin g specifi c candidat e superio r

emissio n performin g valv e o r pum p technolog y fro m performanc e trials

. (iii ) Th e lis t

o f candidat e superio r emissio n performin g valv e o r pum p technologies , an ddocumentatio n o f th e performanc e tria l progra mitem s require dunde r

§ XX.X3-l(e ) (6 ) (iii ) an d § XX.X3-2(d ) (6 ) (iii)

. (iv ) Th e beginnin g dat e an dduratio n o f performanc e trial s o f

eac hcandidat e superio r emissio n performin g technology

. (6 ) Al l record s documentin g th e qualit y assuranc e progra mfo r valve s o r pump s a s specifie di n § XX.X3-l(e ) (7 ) an d§ XX.X3-2(d){7)

. (7).Record s indicatin g tha t al l valve s o r pump s replace do r

modifie ddurin g th e perio do f

th e QI P ar e i n complianc e wit hth e qualit y assuranc e requirement s i n § XX.X3-l(e)(7 ) an d§ XX.X3-2(d)(7)

. (8 ) Record s documentin g complianc e wit hth e 2 0 percen t

o r greate r annua l replacemen t

rat e fo r pump s a s specifie d i n § XX.X3-2(d)(8)

. (9 ) Informatio n an ddat at o sho w th e corporatio n ha s fewe r

tha n 10 0 employees , includin g employee s providin g professiona l an dtechnica l * contracte dservices

. (n ) Owner s an doperator s choosin g t o compl y wit hth e requirement s o f § XX.4

- 3 shal l maintai n th e followin g records : (1 ) Identificatio n o f

th e proces s unit(s ) an dth e VHAP s the y handle

. (2 ) A schemati c o f

th e proces s unit , enclosure , an dclose dven t system

.P.2 2



### Federa l Registe r/

Vol

. 56 , No

. 44 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 933 5
(3 ) A descriptio n o f

th e syste m use d t o creat e anegativ e pressur e i n th e enclosur e t o ensur e tha tal l emission s ar e routed t o th e contro l device
. (o ) Th e provision s of

§ 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 rcontro l numbe r



### - ) Sectio n XX.X 7 Reportin g Requirement s (a)(1 ) A n owne ro roperato ro f a proces s uni tsubjec tt o th e provision s o f thi s subpar tshal l submi tastatemen 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 to rane w proces s uni twhic h ha s a n initia l startu p dat e precedin g th e effectiv e date , th e statemen ti s t o b e submitte d withi n 9 0 calenda rday s o f th e applicabilit y date s specifie d i n § XX.X0(b) , unles s awaive ro f complianc e i s grante d unde r§ 61.11 , alon g wit h th e informatio n require d unde r§ 61.10
. I

f awaive ro f

complianc e i s granted , th e statemen ti s t o b e submitte d o n adat e schedule d b y th e Administrator
. (3 ) In 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 rapprova l o f constructio n o rreconstructio n a s describe d i n § 61.07
. (4 ) Th e statemen ti s t o contai n th e followin g informatio n fo reac 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 ro 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 rexample , "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 reac 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 reac h proces s uni tsubjec tt o th e requirement s i n § XX.X4-2(b) : (i ) Batc h produc tproces s equipmen t trai n identification , an d (ii ) Planne d schedul e fo rpressur 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 , arepor tshal l b e submitte d t o th e Administrato r semiannuall y startin g 6 month s afte rth e initia l reportrequire d 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 , frequenc y o f

monitoring , an d specifi c provision s o f

thi s subpar tbein g implemented
. (2 ) Fo reac h monitorin g perio d durin g th e semiannua l reportin g period , (i ) Th e numbe ro f

valve s fo rwhic h leak s wer e detecte d a s describe d i n § XX.X2-7(b) , th e percen tleakers , an d th e tota l numbe ro f

valve s monitored ; (ii ) Th e numbe ro f

valve s fo rwhic h leak s wer e no trepaire d a s require d i n § XX.X2-7(f) , identifyin g th e numbe ro f thos e tha tar e determine d nonrepairable
. (iii ) Th e numbe ro f

pump 3 fo rwhic 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 ro f

pump s monitored
. (iv ) Th e numbe ro f

pump s fo rwhic h leak s wer e no trepaire d a s require d i n § XX.X2-2(c)
. (v ) Th e numbe ro f

compressor s fo r whic h leak s wer e detecte d a s describe d i n § XX.X2-3(f)
. (vi ) Th e numbe ro f

compressor s fo r whic h leak s wer e no trepaire d a s require d i n § XX.X2-3(g)
. (vii ) Th e numbe ro f

connector s fo r whic h leak s wer e detecte d a s describe d i n § XX.X2-13(a) , th e percen to f connector s leaking , an d th e tota l numbe ro f

connector s monitored
. (viii ) Th e numbe ro f

screwe d connector s fo rwhic h leak s wer e detecte d a s describe d i n § XX.X2-l3(a) , th e percen to f

screwe d connector s leaking , an d th e tota l numbe ro f screwe d connector s monitored
. (ix ) Th e numbe ro f

connector s fo r whic h leak s wer e no trepaire d a s require d i n § XX.X2-13(d) , identifyin g th e numbe ro f

thos e tha tar e determine d nonrepairable
. (x ) Th e numbe ro f

screwe d connector s fo rwhic h leak s wer e no trepaire d a s required i n § XX.X2-13(d)
. (xi ) Th e numbe ro f

agitator s fo rwhic h leak s wer e detecte d a s describe d i n § XX.X2-12(b)
. (xii ) Th e numbe ro f

agitator s fo r whic h leak s wer e no trepaire d a s require d i n § XX.X2-12(c)
. (xiii ) Th e fact s tha texplai n an y dela y o f repair s and , wher e appropriate , wh y aproces s uni tshutdow n wa s technicall y infeasible
. ' (3 ) Date s an d duration s o f proces s unit , contro l device , o rmonitorin g devic e startup s o rshutdown s whic h occurre d withi n th e semiannua l reportin g 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 rsubsequen trevision s t o th e initia l report . Note : Complianc

e wit h th e requirement

s o f § 81.10(c ) i s notrequire

d fo rrevision s documente

d unde rthi s paragraph. (5 ) Th e result s o f

al l performanc e test s t o determin e complianc e wit h § XX.X2
- 3(i)
. § XX.X2^4(a) , an d § XXJC2-ll(f ) conducte d withi n th e semiannua l reportin g period
. (6 ) Th e initiatio n o f

amonthl y monitorin g progra m unde r§ XX.X2
- 7(d)(l)(i) , o raQIPunde reithe r5 XX.X3
- 1 o r§ XX.X3-2 , whicheve ri s applicable
. (7 ) Notificatio n of

th e Administrato r o f achang e i n connecto rmonitorin g alternative s a s describe d i n § XX.X2
- 13(c)(1). (c ) Fo rowner s o roperator s electin g t o mee tth e requirement s of § XX.X4-2(b) , arepor tshal l b e submitte d t o th e Administrato rsemiannuall y startin g 8 month s afte rth e initia l repor trequire d 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 ro f

pressur e test s conducted , (3 ) Th e numbe ro 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 result s o f

al l performanc e test s t o determin e complianc e wit h § XX.X2
- «(f)
. (d ) A n applicatio n fo rapprova l o f constructio n o rreconstruction , § 61.05(a ) an d § 61.07 , wil l no tb e require d i f (1 ) Th e ne w proces s uni tcomplie s wit h th e applicabl e standar d i n § XX.X 2 o r§ XXJC4-2 ; an d (2 ) I n th e nex tsemiannua l repor t require d b y paragrap h (b ) o f this section , th e informatio n i n paragrap h (a ) (4 ) o f thi s sectio n i s reported . (e ) A n owne ro roperato ro f aproces s uni trequire d t o compl y wit h § XX.X2
- 7(d ) (1 ) shal l notif

y th e Administrato r withi n 3 0 calenda rday s o f initiatin g th e monthl y monitorin g progra m unde r § XX.X2-7(d ) (I ) (i ) o raQI Punde r 8 XX.X3-1
. (f ) A n owne ro roperato ro f aproces s uni trequire d t o compl y wit h § XX.X2
- 2(d ) (2 ) shal l notif

y th e Administrato r withi n 3 0 calenda rday s o f initiatin g a QIPunde r§ XX.X3-2
. (g ) I f acceptabl e t o bot h th e Administrato ran d th e owne ro r operato ro f

th e proces s unit , th e report s ma y b e submitte d o n electroni c media
. (Approve d b y th e Offic e o f Managemen

tan d Budge tunde rcontro l numbe r.) Sectio n XX.X8- I Lis to f Volatil e Hazardou s Ai rPollutants .

Chemica l nam e Acetaldehyde.

. Acetamid e Acetonitril e Acetophenon e 2-Acetylamlncfluorine.
. CA S No w

7507 0 6035 5 7505 8 9886 2 5396 3P.2 3



### 933 6 - Federail Registe r / Vol

. 56 , No

. 4

4 / Wednesday , Marc h6,

. 199 1 / Propose dRule s mil——awnm—Mllia^Ma—
—i^^MaiMawa i —•i—iiMi^iB—Nair n ••!! ! aMMi^iMaiiBMiaBM—MaiaiiiiiiaiiaillMlli^^i^W'M*—Ml—a«a*»l*** —

Chemica l nam e
Acrolei n •„—.„. . Acrylsmide._...

_ Acryli c aci d

. "Acrylonitril e Ally ! chlorid e .... . 4-Aminobipheny l Aniline...

. o-Anlsidin e Benzene Benzidine..

. Benzotrichlorid

e Benzy l chloride. - Biphenyl

. Bis(ethylhexyl)phthalat

e (DEHP ) : . Bls(chloromethyl ) ethe r

__ Bromofor m .... . 1,3-Butadiene.... : - .. . Caprolacta m

_ „ _ Carbo n disulfid e . Cartx> n tetrachlorid e . . _ Carbony l sulfid e ..... . Catecho l

_ Chloroaceti c aci d 2-CMoroacetophenon e Chlorobenzen e . Chlorofor m Chloromethy l methy l ether

. Chloropren e

_ Cresols/Cresyli c aci d (isomer s an d mix

ture ) „ Cresols/Cresyli c aci d (Isomer s an d mix

ture).........

. Cresols/Cresyli c aci d (isomer s an d mix

Cresols/Cresyli c ad d (isomer s an d mix

ture)

_ . „ „ Cumen e .'

. _ 2,4-D , salts an d esters

_ DD E Diazomethan e Dibenzofuran s

_ . 1,2-Dibromo-3-chloropropane — Dibutylphthalat

e

_ 1,4-Dichlorobenzen e (p) 3,3-Dichlorobenziden e Dichloroethy l ethe r (bis(2 - chloroethyt)ether

) „ 1,3-Dichloropropen e „ Diethanolamin e N,N-Diethy 1 anilin e (N,N-Oimethylaniline).

. Diethy l sulfat

e

__ 3,3'-Dimethaxybenzidin

e

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

l chlorid e Dimethy l formamld e 1,1-Dimethy

t hydrazine..

. Dimethy l phthalate Dimethy l sulfat

e 4,6-Dinitro-o-cresol , an d salts 2,4-Dinitropheno l

_ 2,4-Dinitrotoluen e 1,4-Dioxan e (1.4-Dlethyleneoxide ) 1,2-Dlphenylhydrazin e

_ Epichlorohydri n (1-Chloro-2,3-epoxypropane)...

. 1,2-Epoxybutane.

. Ethy l acrylat

e Ethy l benzene.

. Ethy l carbamate (Urethane) Ethy l chlorid e (Chloroethane ) Ethylen e dibromid e (Dibromoethane ) Ethylen e dichlorid e (1,2-Dichloroethane).

. Ethylen e glyco l - Ethylen e oxide..

. Ethylen e thiourea.. - _ Ethyliden e dichlorid e (l,l-Dichloroethane)

. Formaldehyde.

. Glyco l ethers a Hexachiorobenzen e Hexachlorobutadien e Hexachloroethane.

. CAS No

.

. . 10702 8 7906 1 7910 7 10713 1 10705 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 105602 7515 0 5623 5 46358 1 12080 9 7911 8 53227 4 10890 7 6766 3 10730 2 12699 8
31977 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 11990 4 6011 7 119937 ' • 7944 7 6812 2 5714 7 13111 3 7778 1 53452 1 5128 5 12114 2 12391 1 12266 7
10689 8 10688 7 14088 5 10041 4

. 5179 6 7500 3 10893 4 107062 10721 1 7521 8

. 9645 7 7534 3 5000 0 0 11874 1 8768 3 6772 1 Chemica l nam e

Hexamethylerie-I , 6-diisocyanate

. : . Hexamethylphosphoramld e - Hexan e : - . Hydrazine. - : Hydroquinon e Isophoron e — Malel c anhydrid e : ..... . Methanol..

. _.

_ Methy l bromid e (Bromomethane ) Methy l chlorid e (Chloromethane

) Methy l chlorofor m (1,1,1-Trichloroeth ane ) - _ Methy l ethy l keton e (2-Butanone) Methy l hydrazin e : : . Methy l iodid e (lodomethane) Methy l isobuty

t keton e (Hexons ) Methy l isocyanate

. ..... . Methy l methacrylate...

. .'.—... : Methy l ter

t buty l ethe r :. . 4,4-Methylen e bis(2-chloroaniline)..

_ Methylen e chlorid e (Dichloromethane ) Methylen e dlpheny l diisocyanat e (MDI )

... . 4,4'-Methylenedianilin e Naphthalen e Nitrobenzen e 4-Nitroblpheny l — 4-Nitropheno l 4-Nitropropan e •. N-Nitroso-N-methylurea.

. N-Nitrosodimethylamine...:

. N-Nitrosomorpholine... - Phenol. - .....:...'

. „ p-Phenylenedlamln e - Phosgen e .... . Phthali c anhydrid e „.... - Polychlorinated biphenyl s (Aroclors) 1,3-Propan e sulton e beta-Propiolacton e Propionaldehyd e Propoxu r (Baygon ) Propylen e dichlorid e (1,2-Dichloropro pane) Propylen e oxid e 1,2-Propylenimin e (2-Methy l aziridine ) Quinon e Styren e Styren e oxid e 2,3.7,8-Tetrachlorodibenzo-p-dioxi n 1,1,2,2-Tetrachloroethan e Tetrachloroethylen e (Perchloroethylene)

. Toluen e 2,4-Toluen e diamin e .... . 2,4-Toluen e diisocyanat e o-Toluidin e 1,2,4-Trichlorobenzeh e 1.1,2-Trichloroethan e .... : Trichloroethylen e 2,4,5-Trichloropheno l 2,4,6-Trichloropheno l Triethylamin e

_- „ Trlflurall n 2,2.4-Trimethytpentane......... — Viny l acetat e Viny l bromid e

_ Viny l chlorid e „ Vmyliden e chlorid e (1.1-Dichloroethylene ) „._ . - Xylenes (isomer

s an d mixture)

. xylenes (Isomer

s an d mixture)..

_ xylenes (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 8 6756 1 7483 9 7487 3
7155 6 7893 3 6034 4 7488 4 10810 1 62483 9 8062 6 1634044 10114 4 7509 2 10168 8 10177 9 9120 3 9895 3 9293 3 100027 7946 9 68493 5 6275 9 5989 2 10895 2 10650 3 7544 5 6544 9 133636 3 112071 4 5757 8 12338 6 11426 1 7887 5 7556 9 7555 8 10651 4 "10042 5 9609 3 174601 6 7934 5 12718 4 108883

. 9580 7 584849 : 9553 4 12082 1 7900 5 7901 6 95954

. 8306 2 12144 8 158209 8 54084 1 10805 4 59360 2 7501 4 7535 4 133020 7 9547 6 10838 3 10642 3

Sectio n XX.X8- 2 Lis to f Hazardou s Organi c Chemica l Productio n Processes . Th e provision s o f

thi s subpar tappl y t o productio n processe s tha tmak e th e . followin g chemicals: ' CA S No . Chemica l Nam e

GROU P I
121733. — 6764 1 ....... . 75058 - 9886 2 7906 1 107131_. : 111693.... . 10718 6 123308. — 6253 3 103333. - 7143 2 9848 6 9811 3 9287 5 11961 9 9252 4 54288 1 „.. . 1086 1 ..I. - I I 0634. — 9648 0 5623 5 53227 4
9551 2 10890 7 25497294. . 6766 3 8873 3
100005 . 80159. . 98828. . 110827.. . 108930. - '10894 1 .. . 110838.. . 9576 1
106467.. . 541731.. . .9550 1
1331471 . 107062.. . 11144 4 „ .

75718... . 111422 . 111466 . 112732 . 112367 . 111966. .

124174 .

.124177 .

11234 5

11215 2

111900. — 1 :ChlQro-3-nitrobenzen e Aceton e . Acetonitril e ' Acetophenon e Acrylamid e Acrylonitril e Adiponitril e Ally ! alcoho l Aminopheno l (p-isomer ) Anilin e Azobenzen e Benzen e Benzenedisulfoni c aci d Benzenesulfoni c aci d Benzidin e Benzophenon e (POM) ' Bipheny l Bis(Chloromethyf)Ethe r Bromobenzen e Butanedio l (1,4-isomer

) Butyrolaceton e Carbo n tetrachlorid e Chloroacetophon e (2 - isomer ) Chloroanilin e (o-isomer ) Chlorobenzen e Chlorodifluoromethan e Chlorofor m CWoronitrobenzen e (o isomer ) Chloronitrobenzen e (p isomer ) Cumen e hydroperoxid e Cumen e (isopropy l benzene) Cyclohexan e Cyclohexano l Cyclohexanon e Cyclohexen e Dichloroanilin e (al l isomers ) Dichlorobenzen e (1,4 - Isomer ) (PDB ) Dichlorobenzen e (m isomer ) Dichlorobenzen e (o isomer ) Dichlorobenzldin e (3,3 - isomer ) Dichloroethan e (1,2 - isomer ) (EDC ) Dichloroethy l ethe r (bis(2 - chloroethyl)ether

) Dichlorodifluoromethan s Diethanolamin e Diettiylen e glyco l Diethylen e Glyco l Dibuty 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 Acetate 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 monbethy l ethe r acetat e (glyco l ether

) Diethylen e glyco l monoethy l ethe r (glyco l ether

) ••••• •P.2 4



### Federa l Registe r/

Vol . 56 , No

. 44 /

Wednesday , Marc h6 , 199 1 / Propose dRule s 933 7

CAS No

. 11177 3

7778 1 10801 0
2515454 5 12391 1
64606 0 10181 5

.... . 10184 8 2526571 8 i. 12101 3
106898

. 14143 5
10041 4 9649 1 10693 4

10721 1 „ 11155 7 629914 1
11071 4
11207 2

_

_
11176 2

1115 9

11080 5

11049 6



### _ ^ 10986 4

12299 6 ^

2807309-

.
7521 8 „ 5000 0 : 11017 8 100970

. _ 12331 9 7531 0 12301 3 ;

11016 7 108316

. „ 12333 1 „ 6915157 - 12147 1 6368 3 7509 2
10177 9
9883 9 11091 8

_ 8874 4 10001 6 88953

. 11166 0 800281 7 11577 5 Chemica l Nam e Diethylen e glyco l monomethy l ethe r (glyco l ether

) Dimethy l sulfate Dimethytaminoethano l (2-isomer

) Dlnitrobenzenes ' Dioxan e (1,4 - Diethyteneoxide

) Dloxilan e Dipheny l Methan e Dlpheny l oxid e (POM ) Dipropylen e glyco l Dodecylbenzen e (it Isomer ) Epichlorohydrln( 1 Chloro2,3-epoxypropane) Ethanolamines (al l isomers) Ethy l benzen e Ethylen e carbonate Ethylen e dibromld e (Dibromoethane

) (EDB ) Ethylen e glyco l Ethylen e glyco l diacetate Ethylen e Glyco l Diethy l Ethe r Ethylen e glyco l dimethy l ethe r (glyco l ether

) 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 l ethe r (glyco l ether) Ethylen e glyco l monopropy

t ethe r (glyco l ether

) Ethylen e oxid e Formaldehyd e Fumari c aci d Hexamethytenetetramln e Hydroquinon e Isopropylamin e Linea r alkytbenzen e (linea r dodecylbenzene) Malel c aci d Malel c anhydrid e Malel c Hydrazld e Mali c aci d
Methionin e Methylen e Chlorid e (Dichloromethane

) Methylen e dlanilin e (4,4 - teomer) (MDA) Methylstyren e (a-lsomer ) Morpholin e Nltroanilin e (o-isomet

) Nitroanilin e (p-teomer

) Nitrobenzen e Octene- 1 Paraformaldehyd e Pentaerythrito l CA S No

. 12718 4
8554 5

._ 10650 3 11085 0 „ - 5757 8 7909 4

_ 5755 6

. 10798 2 7556 9 10846 3 10042 5 11015 6 11061 2 52683 0 63490 2 - . 9594 3
11260 7 10999 9 10888 3 - _. . 10282 1
7901 6 7569 4 7613 1 ; . 9595 4
10271 6 „ 11227 6 11249 2

.
11235 6 77996. — 75014....

. .. . 133020 7 9547 6 10642 3 Chemica l Nam e Perchloroethylen e (tetrachloroethytene

) Phenytenedlamin e (o Isomer ) Phenytenedlamin e (p isomer ) Piperazin e Proplolacton e ( b Isomer ) Propioni c aci d Propylen e glyco l Propylen e Glyco l Monomethy l Ethe r Propylen e oxid e Resordno l Styren e (Viny l Benzene) Succini c ad d Succlnonitril e Tartari c Aci d Tetrachloro benzen e (1,2,3,5-lsomer

) Tetrachlorobenzen e (1,2,4,5-lsomer) Tetraethylen e Glyco l Tetrahydrofura n Toluen e Trichlorobenzen e (1,2,4 - isomer ) Trlchloroethylen e Trfchlorofluoromethan e Trichlorotrlfluoroethan e Trlchloropheno l (2,4,5 - Isomer ) Triethanolamin e Triethylen e glyco l Triethylen e glyco l dimethy l ethe r (glyco l ether) Triethylen e Glyco l Monomethy l Ethe r Trimethylopropan e Viny l chlorid e (Chlor

o Ethylene) Xylene s (mixtures) Xylenes (o-isomer

) Xylene s (p-isomer

)
GROU P I I 7507 0 10789 1 6035 5 -. . 1D3844 64197 — 10824 7 75365... - 11141 1 „ 9004 0 106990..

. 12386 4 7136 3 10973 9 10788 0 —_

_ 12372 8 107926

. 106310..

. 10560 2 55813 4 7573 0 7587 6 79118

. 10842 9 10647 8

. - 10843 0 10648 9 12699 8

__. . 75729. — 417030 0

_ - . 372465 0 372098

. Acetaldehyd e Acetaldo l Acetamld e Acetanilld e Aceti c ad d Aceti c anhydrid e Acety l chlorid e Aminoethytethanolamln e Anisidin e (o-isomer

) Butadien e (1,3-isomer

) Buty l acetat e (n-isomer ) Buty l alcoho l (n-isomer

) Butytamin e (n-isomer

) Butylen e glyco l (1,3 - isomer ) Butyraldehyd e (n-lsomer ) Butyri c anhydrid e Caprolacta m Carbo n tetrabromld e Carbo n Tetrafluorid e Chlora l Chloroaceti c ad d Chloroanilin e (m-isomer ) Chloroanilin e (p-isomer ) Chloropheno l (m-isomer ) Chloropheno l (p-isomer ) Chloropren e (2-Chloro 1,3-Butadiene

) Chlorotrifluoromethan e Crotonaldehyd e . Crotonicaci d Cyanoacetl c aci d (C N compound ) CA S No .
111784 - 1552121. . 760236.. . 54059 0 — 542756.. . 6467 5 119937 . 68122 -
57147 -
120616 . 141788 . 141979 . 140885 . 10539 5 41892711 . 151564TM . 10715 3 10476 7 — 10311 7
7512 7 6418 6 .5681 5 26545737 - 25791962 - 5640 6 10722 2 — 11874 1 8768 3 6772 1 592450. - 124094 - 107313 - 98851 . 9909 2 7946 9 123637

_ 7921 0 108998 - 110894 - 110861 - 111206.. . 12709 3 - 3926623 . 110441 - 126330.. . 10021 0 - 79345. -
85438 — 110601 . 95807 - 684849. . 26471625 . 95534.. . 71556. . 79005. -

10805 4 10040 3
7535 4 Chemica l Nam e Cyclooctadlen e Cydooctadien e (1,5 - isomer ) Dichloro-1-buten e (3,4 - Isomer ) Dichloroethylon e (1,4 - Isomer ) Dichloropropen e (1,3 - isomer ) Diethy l sulfat

e Dimethy l Benzidin e (3,3 - isomer ) Dimethy l fomtamid e (NN isomer ) (DMF ) Dimethy l hydrazin e (1,1 - isomer ) Dimethy l terephthalate Ethy l acetat e Ethy l acetoacetat e Ethy l acrylate Ethy l Chloroacetate Ethy l sodiu m oxalacetate Ethylen e Imin e (Azfridine ) Ethylenediamln e Ethylhexano l (2-lsomer

) Ethylhexy

t Acrylat e (2 - isomer ) Fomtamid e Formi c aci d Glycero l Glycero l dichlorohydrfn Glycero l Wethe r Glycin e Glyoxa l Hexachiorobenzen e Hexachlorobutadlen e Hexachloroethan e Hexadlen e (1,4-isomer

) Hexamethylenediamln e Methy l formate Methy l Pheno l Caiblno

t m-Nitroanilin e Nitropropan e Paraldehyd e Peracetl c Aci d Plcolin e (b-lsomer

) Piperadin e Pyridin e Sebad c Aci d Sodiu m acetat e Sodiu m chloroacetate Sorbl c ad d Sulfolari e Terephthall c ad d Tetrachloroethan e (1.1A2-tsomer ) Tetrahydrophthali o anhydrid e Tetramethylenediamin a Toluen e 2, 4 diamin e Toluen e 2, 4 diisocyanat e Toluen e diisocyanate * (mixture ) Toluidin e (o-isomer

) Trlchloroethan e (1,1,1 - Isomer ) Trlchloroethan e (1,1,2 - Isomer ) (Viny l Trichloride

) Viny l acetat e Vktylcyclohexen e (4 - teorner) Vlnyiiden e chlorid e (1,1 - Dtchloroethyleno

) GROU P II I 10201 2 124049.......

. _ . 132111 6 14204 1 —. — Acetoacetanllid e Adipi c aci d Aminobenzol c ad d Anilin e hydrochlorid eP.2 5



### 933 8 

### Federa

l Registe r/Vol
. 56 , No . 44 / Wednesday , March-6 , 199 1 • / Propose dRules

C A S No .
100663 . 11892 3 — 84651... : 100527—. . 55210—.: . 13481 6 7693 7 6585 0 11953 9 10047 0 9807 7 9688 4 14011 4 10051 6 12051 4 10044 7 ..L. 9687 3 10046 9 6005 7 85687... — 35913098 - 11891 2
2136814.. . 1321035.. . 9557 8 108418— . 9549 8 10643 4 10839 4 — 1319773.. . 9548 7 10644 5 10891 8 1087214 - 27576041 . 12083 2
101837 . 91667. . 84662 — 26761400. . 13111 3 — 12169 7
99343 - 51285 - 121142. - 9739 2 10208 9 12239 4 27193868 - 10369 5 57854 1 ..... . 9996 7
12191 5 25168063. . 108430 . 10061 8 10887 2 — 1331222.. . 10168 8
10838 3 9909 2 91236.. . 10017 4 27178832. . 10802 7 88755.. . 1321126. . 88722...... . Chemica l Nam e
Anisol e Anthranili c aci d Anthraquinon e (POM)

. Benzaldehyd e Benzamid e Benzi ! (POM ) Benzili c aci d (POM ) Benzoi c ad d Benzoi n (POM ) Benzonitril e Benzotrichlorid e Benzoy l chlorid e Benzy l Acetat e Benzy l alcoho l Benzy l benzoate (POM ) Benzy l .chlorid e Benzy l dichlorid e Benzytamin e * BIsphenol' A (POM ) Butylbenzy l Phthalate Chlorobenzaldehyd e Chlorobenzol c ad d (al l Isomers) Chlorobenzotrichlorid e (al l isomers

) Chlorobenzoy l chlorid e Chloropheno l (o-isomer ) Chlorotoluen e (m-isomer ) Chlorotoluen e (o-isomer ) Chlorotoluen e (p-isomer ) Creso l (m-isomer

) Cresol s Cresyli c ad d (mixed ) Cresol s (o-isomer

) Cresol s (p-isomer

) Cydohexylamin e Dially l Isophthalat

e Diaminobenzoi c aci d Dichloropheno i (2,4 - isomer ) Dicyclohexylamln e (Ciclohexylamine

) Dtethyanilin e (NN Isomer ) Diethy l Phthalate • Diisodecy l phthalate Dimethy l Phthalate Dimethylaniline-N, N (N, N Diethylaniline

) Dinitrobenzoi c aci d (3,5 - isomer ) •• Dinitropheno

) (2,4 - Isomer ) Dinitrotoluen e (2,4 - isomer ) (DNT) Di-o-tolyguanidin e Dlpheny l thiourea (POM ) Diphenytamln e (POM ) Dodecylpheno l Ethylanilin e (N-isomer

) Ethylanilin e (o-isomer

) Hydroxybenzoi c aci d (p -

. . isomer)

. Isophthali c ad d Isopropylpheno l - m-Chloropheno l

. Methytanilin e (n-isomer

) Methylcydohexan e Methylcydohexanon e Methylen e dipheny l diisocyanat

e (MDI ) M-Xyien e Nitroanilin e (m-lsomer

) Nitroanisol e (o-isomer

) Nitroanisol e (p-isomer

) Nitrobenzoi c ad d (o-,m- , &p-isomers) Nitropheno l (4-lsomer

) Nitropheno l (o-isomer

) (2-Nitrophenof

) Nitrotolueri e Nitrotoluen e (2-isomer

) C A S No .
99081.. . 9999 0 27193288 - 8786 5 94702.—. . 15643 4 — 10895 2 77098- . 9867 9
91407 — 108736 - 88993 — 85449 — 8541 6 91156 — 98511. — 106514 - 69727. — 532321. . 139026 - 588590 - 121573 - 63279 1 „ 117088 . 1333079 . 104154... . 98599.- . 634935 . 25013154. . 25321419. . 1300738... . Chemica l Nam e
Nitrotoluen e (3-isomer

) Nitrotoluen e (4-isomer

) Octylpheno l Pentachloropherio l

. Phenetidin e (o-isomer

) Phenetidin e (p-isomer

) Pheno l Phenolphthalei n Phenotsulfont

c acid s (al l Isomers) Pheny l anthranili c ad d Phloroglucino l Phthali c Ad d Phthati c anhydrid e Phthalimid e Phthalonitril e

_ p-tert-Buty l Toluen e Quinon e Salicyli c ad d Sodiu m benzoate Sodiu m phenate Stilben e Sulfanili c aci d - Tetrabrombphthali c anhydrid e Tetrachlorophthali c anhydride ' Toluenesulfonamide ' ToluenesUlfoni c add s (a l isomers ) TolUenesulfony l chlorid e Trichloroanilln e (2,4,6 - isomer ) Viny l toluen e Xylen e Sulfoni c Aci d Xylidin e GROU P I V

91178 — 131179

. 109897

. 115106

. 75183..

. 67685 — 124403

. 75003 — 10702 8

_Acrolei n 7910 7 Acryli c aci d 10705 1 Ally l chlorid e 10975 1 —AllylCyanid e 176295 4 — : Ammonium.Thiocyanat e 2749751 4 *

. Bromonaphthalen e

(POM )

. . 109740
—...'—. J Butyronitril e 7515 0 - Carbo n disulfid e 2558643 0 Chlororiaphthalen e (POM ) Decahydronaphthalat

e Dially l Phthalate Diethylamin e Dimethy l ether-N, N Dimethy l sulfid e * Dimethy l sulfoxid e Dimethylamin e ' Ethy l chlorid e (Chloroethane) Glutaraldehyd e Hexanetrio l (1,2,6 - Isomer ) Isophorcn e Isopropy l acetat e Methano l Methy l acetat e Methy l acetoacetat e Methy l bromide '
* (Bromomethane

) Methy l chlorid e (Chloromethane

) Methy l Hydrazin e Methy l isobuty l carbino l Methy l isobuty l keton e (Hexone) •*'

• 62483 9 - Methy l Isocyanate 7493 1 —Methy l Mercapta n 8062 6 ^ :. . Methyl.methacrylate . 7489 5 Methylamin e * 91203.

. „ Naphthalene* •• • 85472
—:

: Naphthalen e sulfoni c

• ad d(a-isomer)-(POM ) 111308 . 106694 . 78591... . 108214 . 6756 1 — 79209 — 105453 . 74839 — 74873 — 60344 — 108112 . 108101 . CASN a .. .

, 12018 3 w ', 9015 3 ^.—
. 13519 3

.. - 8657 7 -.,..:

. 59442 3

: 7544 5 —.. . 12338 6 7123 8 - : 54054 5 -

. 10710 8 —: — : 7887 5 I 124414

. ;_.. ' : 78002-..

. :
' 119642

. „ —.. .

' 12144 8 — 7550 3 .— - 93348 2 i 240837 9 J Chemica l Nam e Naphthalen e sulfoni c < - ad d (b-isomer

) (POM ) Naphtho l (a-isomer

) (POM ) Naphtho l (b-isomer

) (POM ) Nitronaphthalen e (1 - isomer ) Perdiloromethyl ' mercapta n Phosgen e . Propionaldehyd e Propy l alcoho l (n-isomer ) Propy l chlorid e • Propylamin e Propylen e dichlorid e (1,2-Dichloropropane) ' Sodiu m Methooxid e Tefraethy l lea d Tetrahydronapthalen e (Tetralin ) (POM ) Triethylamin e Trimethylamin e : Trimethytcyclohexano l Trimethylcydohexanoh e GROU P V
10S577 ; 75865. -

7525 2 14132 2 — 7892 2 7565 0 96737.— . 13952846 - 75649.— - 6325 2 .*

. 9004357... . 75456..— . 25167800 - 779094 5 — 42004 2 .:._. . 50677 4
10880 5 .J — 10877 0 123422. — 13709 7
74953 — 9623 1 — 461585 . 579668 . 7537 6 25167708. . 27554263. . 67482 8 26675174. . 12251 0 — 9592 1

_ . 7504 7 9004573 - 10556 6 — 77474... — 629118 . 74908 — 106638 . 115117 . 463514 .

141797 . : 79414 — Aceta l Aceton e cyanohydri n (C N compound) Alky l naphthalenes (n o CAS # assigned ) (POM ) Brqmoform Butyl acrylate (n-isomer ) > Buty l alcoho l (s-isomer

) Buty l alcoho l (t-isomer

) Butyl benzoi c aci d (p tert-isomer

) Butylamin e (s-lsomer

) Butylamin e (t-isomer

) Carbary l Cellulose acetat e Chlorodifluoro

e than e Chlorophenol s Chlorosulfoni c aci d Cyanamid e Cyanoge n chlorid e (C N

. compound) Cyanuri c aci d Cyanuri c chlorid e Diacetpn e alcoho l Diaminopheno l Hydrochlorid e Dibromoethan e Dichlorohydrin

. Dicyanadimid e Diethylanilin e (2,6 - isomer ) Difluoroethan e Diisobutylen e Diisoocty l phthalat

e Diketen e Dodecylanilin e Ethy l orthoformate..

. Ethy l oxalate Ethylamin e Ethylcellulose Ethylcyanoacetat

e Hexachlorocydopentadien e Hexamethylen e glyco l Hydroge n Cyanid e (C N Compound ) Isobuty l Acrylate Isobutylen e Keton e ' Unea r alky l sulfonat

e (n o CAS-P assigned)

. Mesity l oxid e Methacryli c aci dP.2 6



## Federa l Registe r/ Vol

. 56, No

. 4

4 /Wednesday , Mrirc

h6, 1991 /

ProposedRule s 9339

CAS No

. 56347 3 —.... . - 96333

. ——:..- „ 7893 3 163404 4 ——

— 77758. - ......... . 121013. - - : 75989. : „ 2515452 3 88120—

. 2532268 3 .—.—— . 2532269 4 2713867 4 900432 4 14333 9

_ 141537..

. 9806 6 7574 1 - - 11018 9 „ 7756947..

. „ _ 54084 1

_ 5713 6 130071 6 — 52675 0 .'

. 10567 9 9587 4 576261.. : : 95658. — 10868 9 , . Chemica l Nam e Methally t Chlorid e Methy l Acrylat

e Methy l ethy l keton e (2 - Butanone

) Methy l Ter

t Butyl Ethe r " Methylpentyno l n-Dodecytbenzen e Neopentanoi c ad d N-Vinyl-2-Pyrrolidin e ! Polyethylen e glyco l Polypropylen e glyco l Resorcyli c ad d Sodiu m carbbxymethy

t cellulose Sodiu m Cyanid e Sodiu m format

e tert-Butylbenzen e Tetramethy l lea d Tetramethylethylenediamin e Triisobutylen e Trimethytpentan e (2A4 - isomer ) Ure a Xyleno l Xyleno l (2,3-lsomer

) Xyleno l (2,4-isomer

) Xyleno l (2,5-isomer

) Xyleno l (2,6-isomer

) Xyleno l (3,4-isomer

) Xyleno l (3,5-isomer

)

[F RDoc

. 91-488 8 File d3-5-91 ; 8:4 5 am ] BIUJN Q COD E 6560-50- M

INTERSTAT E COMMERC E COMMISSIO N 4 9 CF R PAR T105 3 [E x Part e No

. MC-198] 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 dconten t

o f contract s o

f moto r contrac t carriers , an d(2

) definin g contrac t shippers

. Th e Commissio n las t considere dchange s i n th e contrac t regulation s i n 1980 whe n it delete dth e requiremen t

tha t carrier s file 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

t o f industry experiei.e e sinc e passag e o f th e Moto r Carrie r Ac t o f 1980

. DATES : Comment s ar e du e b y Apri l 5 , 1991

. ADDRESSeS : Th e original an d1 0 copie s o f comment s referrin g t o E

x Part e No

. MC-19 8 shoul db e sen t

to : Offic e o

f th e Secretary , Cas e Contro l Branch , Interstat e Commerc e Commission , Washington , DC 20423

. FO RFURTHE RINFORMATIO

N CONTACT

: Kennet hH

. Schwart z (202

) 275-795 6 o r Richar dB

. 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 t 4 9 CF Rpar t 1053

. Sectio n 1053. 1 prescribe s th e natur e an dconten t

o f contract s o

f moto r contrac t carriers ; § 1053. 2 relieve s carrier s o f certai n valuabl e commoditie s fro mth e requirement s o

f § 1053.1 ; an d § 1053. 3 define s th e shipper s withwho m 8 moto r contrac t carrie r ma y ente r int o contracts

. Th

p Commissio n i s particularl y intereste di 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 both carrie r an dshipper , cove r

aserie s o f shipment s durin g astate dperio do f time , an db e preserve dfo r at leas t 1 year after the y ceas e t o b e i n force

. Th e Commissio n las t

considere dchange s i n th e contrac t

regulation s i n 1980 whe n i t delete dthe ' requiremen t

tha t carrier s file copie s o f thei r contract s withth e Commission

. Th e Commissio n i s awar e tha t th e Moto r Carrie r Ac t o f 198 0 retaine dth e distinctio n betwee n moto r contrac t carrier s an dmoto r

commo n carriers

. It i s concerned , however , tha t it s regulation s supplementin g th e statutor y definitio n o

f amoto r contrac t carrie r ma y n o longer

b e appropriat e i n ligh

t o f change s tha t

hav e take n plac e i n th e moto r carrie r industry over

th e pas t decade

. Th e Commissio n thus i s solicitin g publi c comment s o n th e wisdo mo f maintainin g par t

105 3 i n it s
; 

### curren t form

. : ' Som e question s fo

r consideratio n ar e a s follows

. Shoul dth e regulation s b e repeale di n thei r

entirety and , i

f so , why ? What

woul db e th e effect

o f a repea l o n th e Commission' s ability t o fulfil l it s statutor y obligations ? Shoul d th e regulation s b e repeale din part ? For instance , shoul dth e Commissio n delet e th e requirement s tha t

contract s b e i n writin g an dtha t

the y b e retaine dfo

r a t leas t on e year after the y ceas e t o b e i n force

. O n th e othe r

hand , shoul dth e regulation s b e amplified ? For

. instance , curren t Commissio n regulation s d o no t requir e tha t

contrac t rate s b e state di n or b e ascertainabl e fro

mth e contract

. Shoul dth e Commissio n impos e suc ha requirement ? Similarly , shoul dth e Commissio n amen dth e regulation s to impos e arequiremen t

tha t th e contrac t 'stat e th e manne r

i n whic hth e statutor y contrac t carrie r criteri aar e to b e met vis-a-vis th e contractin g shipper ? Shoul d th e curren t

regulation s b e retaine d withou t modification ? It

migh t b e th e cas e tha t th e industry require s only Clarificatio n fro

mth e Commissio n an di s no t experiencin g an y difficultie s tha t requir e modificatio n o

f th e curren t regulations

. W e encourag e intereste dperson s t o submi t comments

. After

considerin g th e comments , w e wil l determin e whethe r t o procee dan dwhat , i

f any , specifi c rul e change s t o propose
. Additiona l informatio n i s containe dI n th e Commission' s decision

. T o obtai n a cop y o f th e ful l decision , writ e to , call , or pic k up in perso n from : Offic e o f th e Secretary , roo m2215 , Interstat e

- Commerc e Commission , Washington , DC 20423

. Telephone : (202 ) 275-7428

. (Assistanc e fo

r th e hearin g impaire di s availabl e throug hTD

D services , (202

) 275-1721. ) Environmental an dEnerg 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 dno t

significantl y affect eithe r th e quality o

f th e human environmen t

or th e conservatio n o

f energ y resources
. Initial 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 dno t

hav e asignificant economi c impac t

o n asubstantia l numbe r o f smal l entities

. It

i s possibl e tha t simplificatio n or

eliminatio n o

f th e rule s migh

t benefi t smal l carrier s an d shipper s b y reducin g thei r paperwork an denablin g themto streamlin e thei r operations

. W e specificall y reques t comment s o n thi s issu e t o assis t u s in makin g a n initial findin g i n th e even t w e formulate specifi c proposal s fo r publicatio n i n afutur

e notic e o f propose drulemaking

. Lis t o f subject s i n 49 CF

RPart 105 3 Moto r carriers

. Authority : 49 U.S.C

. 10101,10102,10321 , an d10923 , an d5 U.S.C

. 553

. Decided : Februar

y 20,1991

. By th e Commission , Chairman Philbin , Vic e Chairman Emmett , Commissioner s Simmons , Phillips , an dMcDonald

. Commissioner Simmon s commente dwit

haseparat e expression

. Sidne y L

. Strickland , Jr. , Secretary. [F RDoc

. 91-528 6 File d3-5-91 ; 8:4 5 am ] BILUN Q COD E 7035-01- M