P. 3

1 3

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# W^" Tuesda y Jul y 10 , 199 0



# Par t I I 

# Environmenta l Protectio n Agency
4 0 CF R Part 6 1 Nationa l Emissio n Standard s fo r Hazardou s Ai r Pollutants ; Revision s t o Viny l Chloride ; Equipmen t Leaks o f Volatil e Hazardou s Ai r Pollutants ; Fina l Rul e



# VP. 2

'*/ 

### Federa l Registe r / Vol

. 55

. No

. 13 2 /

Tuesday , July 10 , 1990 / Rule s an dRegulation s
ENVIRONMENTA L PROTECTIO N AGENC V 4 0 CF R Par t S

H IFRL-3752-3 ] Nationa l Emissio n Standard s fo r Hazardou s Ai rPollutants ; Revision s f o Viny l Chloride ; Equipmen t Leak s o f Volatil e Hazardou s Ai rPollutant s AGENCY: Environmenta l Protectio n Agenc y (EPA)

. ACTION : Fina l rule

. SUMMARY

: O nSeptembe r

21.198 9 (5 4 FR 38938) , EP A propose dmino r revision s t o nationa l emissio nstandard s fo r viny l chlorid e (VC ) an dequipmen t leak s o f volatil e hazardou s ai r

pollutants

. Th e revision s t o th e nationa l emissio n standard s fo r

hazardou s ai r

pollutant s (NESHAP ) wer e propose da s aresul t o f petition s fo r

reconsideratio nan drevie w file db y th e Societ y o f

th e Plastic s Industry , Inc

. (SPI) , Do w Chemica l Company , Georgi aGul f Corporation , an dVist aChemica l Company

. Thi s actio npromulgate s fina l revision s t o th e NESHAP

. Th e intende deffec t o f thi s actio ni s t o gran t

th e petitioners ' reques t fo r clarificatio no f

ambiguitie s i n severa l definition s an di nth e applicabilit y o f certai nregulator y requirement s i nth e standards

. Thi s notic e i s no t

intende dt o addres s th e Jul y 28,1987 , decisio nb y th e D.C

. Circui t Cour t o nth e V C standards

. Natural Resources Defense Council, Inc. v . EPA, 82 4 F.2 d114 6 (1987)

. An y respons e t o tha t

decisio nwil l b e mad e i nafutur e notic e i nth e Federa l Register

. DATES : Effective Date: Jul y 10,1990

. Judicial Review. Unde r

sectio n 307(b)(1 ) o f

th e Clea nAi r

Act , judicia l revie w o f

NESHA Pi s availabl e onl y b y filin g apetitio nfo r

revie w i nth e U.S

. Cour t o f Appeal s fo r

th e Distric t

o f Columbi aCircui t

o no r befor e Septembe r

10,1990

. Unde r

sectio n 307(b)(2 ) o f

th e Clea nAi r

Act , th e requirement s tha t

ar e th e subjec t

o f today' s notic e ma y no t

b e challenge d late r i ncivi l o r

crimina l proceeding s brough t b y EP A t o enforc e thes e requirements

. ADDRESSES : Docket. A docket , numbe r A-81-21 , containin g informatio n considere db y EP A i nth e developmen t o f th e promulgate dstandard s an dth e petition s fo r

reconsideration , t o whic h thi s notic e i s responding , i s availabl e fo r publi c inspectio nbetwee n 8:3 0 a.m . an d 3:3 0 p.m. , Monda y throug hFriday , a t EPA' s Ai r

Docke t Sectio n(LE-131) , Roo mM1500 , Firs t

Floor , 40 1 M Stree t SW. , Washington , D C 20460

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

. FO RFURTHE

RINFORMATIO

NCONTACT : Fo r furthe r informatio nan d interpretation s o f

applicability , complianc e requirements , an dreportin g aspect s o f

th e revise dstandards , contac t th e appropriat e Regional , State , o r loca l offic e contac t

a s liste di n4 0 CF R60.4

. Fo r furthe r informatio no n th e backgroun dfo r

th e fina l revise d standards , contac t

Ms

. Shirle y Tabler , Standard s Developmen t Branch , Emissio nStandard s Divisio n (MD-13) , U.S

. Environmenta l Protectio n Agency , Researc hTriangl e Park , Nort hCarolin a 27711 , telephone , (919 ) 541-5256

. SUPPLEMENTAR

Y INFORMATION: I

. Backgroun d I nDecember , 1975 , EP A designate d V C a s ahazardou s ai r

pollutan t

unde r sectio n11 2 o f

th e Clea nAi r

Ac t (4 2 U.S.C

. 7412 ) an dpromulgate dfina l rule s fo r V C o nOctobe r

21,197 6 (4 0 CF R 61.60-61.71)

. Th e standard s limi t emission s o f

V C fro mplant s producin g ethylen e dichlorid e (EDC ) vi a oxychlorination , VC , an dpolyviny l chlorid e (PVC ) o r

othe r polymer s containin g VC

. Thes e plant s ar e subjec t t o acombinatio n o f

emissio n limits , equipment , an dwor k

practic e requirement s a t

numerou s point s i nth e manufacturin g processes . O nSeptembe r

30,198 6 (5 1 FR34904)

. EP A promulgate dsevera l administrativ e an dclarifyin g revision s t o th e nationa l emissio nstandar dfo r

VC

. Subsequently , o nNovembe r

26,1986 , SP I file dwit h EP A apetitio nfo r

sta y an d administrativ e reconsideratio no f seve n provision s i n th e fina l revision s t o th e V C standard

. Th e SPI , Do w Chemica l Company , Georgi aGul f Corporation , an dVist aChemica l Compan y concurrentl y file dapetitio n fo r revie w o f severa l provision s o f

th e revise d standar dwit hth e U.S

. Cour t o f Appeal s fo r th e D.C

. Circuit

. Th e petitioner s asserte dtha t

withou t adequat e notice , EPA' s 198 6 revision s change dke y provision s o f

th e V C standar di na manne r that : (1 ) violate dcas e law ; (2 ) impose dne w penalties ; (3 ) create d multipl e penaltie s fo r

th e sam e event ; an d(4 ) expande dth e type s o f equipmen t subjec t t o th e standard

. I nsummary , th e petitioner s requeste d revie w o f

th e definition s o f

"exhaus t gas, " "relie f

valv e discharge, " "leak, " "3-hou r period, " an d"ethylen e dichlorid e purification" ; th e scop e o f th e relie f valv e discharg e provisions ; an d th e lea k detectio nan deliminatio n provision s (are amonitoring)

. Th e SP I als o requeste dtha t

EP A issu e asta y o f th e 198 6 revision s t o th e V C standar d pendin g revie w o f thos e revise d provisions

. Th e revision s propose do n Septembe r 21,1989 , wer e i nregar dt o clarification s t o th e definitions

. N o changes , however , wer e mad e wit hregar dt o fixe dare a monitorin g requirement s o r th e relie f valv e discharg e standard

. I n th e 198 9 proposa l preamble , EP A als o denie dth e petitioner' s reques t

fo r asta y o f

th e 198 6 revise dprovisions

. A detaile d discussio no f

th e issue s presente di nth e petition s fo r

revie w an dEPA' s respons e t o th e issue s i s containe di nth e preambl e fo r

th e propose drevision s (5 4 F R38938-38942)

. II

. Publi c Participatio n Th e propose drevision s t o th e NESHA Pwer e publishe di n th e Federa l Registe r o nSeptembe r

21,198 9 (5 4 F

R 38938)

. A publi c hearin g wa s schedule d o nOctobe r

18,1989

. However , ther e wer e n o request s fo r

ahearing

. Th e publi c commen t

perio dlaste dfro m Septembe r

21,198 9 t o Novembe r

20 , 1989

. Tw o commen t

letter s wer e receive dfro mth e industry , bot ho f whic hha dfile dpetition s fo r revie w o f th e 198 6 revisions

. Bot hcommenter s expresse dthei r

suppor t of th e propose d revise dprovision s o f

Septembe r

21 , 1989 , an dstate dtha t

th e revise d provision s respon dt o th e concern s file d i n thei r petition s fo r

review

. Th e commenter s di dno t

reques t an y additiona l change s t o th e NESHAP

. III

. Th e Promulgate dRevision s Th e clarifyin g revision s bein g promulgate dtoda y ar e identica l t o thos e propose do n Septembe r 21,1989

. Th e followin g i s asummar y o f th e promulgate drevisions

. A

. Th e definitio n o f

"exhaus t

gas " ha s bee nmodifie db y addin g tw o sentence s whic hclarif

y tha t alea k i s no t a n exhaus t gas , an dtha t

equipmen t containin g exhaus t

ga s mus t

compl y wit hth e lea k

detectio n an dpreventio n provision s ( § 61.65(b)(8)) , whethe r o r no t tha t equipmen t

contain s 1 0 percen t

b y volum e VC

. Thi s additio n assure s tha t leak s fro mexhaus t

ga s stream s ar e subjec t t o th e lea k

detectio n an d eliminatio n requirements , bu t tha t suc h leak s wil l no t

als o b e classifie da s "exhaus t gas. " B

. Mino r revision s wer e mad e t o th e definitio no f

"relie f valv e discharge " an dt o th e relie f

valv e discharg e (RVD ) provision s ( § 61.65(a) ) t o clarif y tha t a n RV D route dt o aproperl y designe dan d operate dcontro l devic e woul db e exempte dfro mth e provision s o f th e RV D standard

. Thi s chang e prevent s misinterpretatio no f

th e regulator yP. 4



### .-s^ " .Federa l Registe r / Vol

. 55 , No

. 13 2 /

Tuesday , Jul y 10 , 199 0 / Rule s an dRegulation s 2834 7 requirement s an dimpositio no f adoubl e penalty

. I naddition , ne w provision s ( § 61.65(d) ) hav e bee nadde dfo r a nRV D tha t i s ducte dt o acontro l devic e tha t i s continuall y operatin g whil e emission s fro mth e releas e ar e presen t a t th e device

. A nRV D tha t

i s ducte dt o a contro l device , othe r

tha n aflare , woul d b e subjec t

t o th e 1 0 pp mlimi t

an dth e continuou s emissio nmonitorin g syste m requiremen t

containe di n§ 61.6 8 an dt o th e reportin g requirement s o f § 61.70

. I n th e cas e o f

flares , emissio n monitorin g i s no t possible

. Therefore , fo r RVD' s route dt o aflare , th e desig n requirement s fo r

flare s (4 0 CF R60.18 ) woul dapply

. Th e EP A recognize s tha t measuremen t

o f relie f valv e discharg e volumetri c flo w rate s an dga s strea m compositio ni s no t

possibl e usin g th e method s se t

fort hi n§ 60.1 8 (f)(3 ) an d (f)(4)

. Estimate s o f

thes e parameter s will , therefore , nee dt o b e base do n empirica l o r

othe r bases , subjec t

t o EP A approval

. Flar e operation s woul db e monitore di naccordanc e wit hth e requirement s o f

§ § 60.18(d ) an d 60.18(f)(2)

. Fo r

th e purpos e o f

§ 60.18(d)

. th e volum e an dcomponen t concentratio no f

eac hRV D woul db e estimate dan dcalculation s woul db e mad e t o verif

y ongoin g complianc e wit h th e desig nan doperatin g requirement s o f § 60.1 8 (c)(3 ) throug h(c)(6)

. I f mor e tha non e relie f

valv e i s discharge d simultaneousl y t o asingl e flare , thes e calculation s woul daccoun t fo r th e cumulativ e effec t

o nal l suc hRVD's

. If th e result s o f

th e monitorin g containe d i n§ 60.18(f)(2 ) o r

an y othe r

informatio n sho w tha t

th e pilo t flam e i s no t

presen t 10 0 percen t

o f th e tim e durin g whic ha n RV D i s route dt o aflare , th e RV D i s subjec t t o th e provision s o f

§ 61.65(a)

. A repor t describin g th e flar e desig nmus t b e provide dt o th e Administrato r no t late r tha n9 0 day s afte r

th e adoptio no f thi s provisio no r

withi n3 0 day s o f

th e installatio no f

aflar e syste mfo r

contro l o f RVD's , whicheve r

i s later

. C

. Th e standard s fo r

pump s i nV C servic e ( § 61.242-2(d) ) wer e revise dt o clarif y th e requirement s fo r

pum p sea l drips

. Sectio n61.242-2(d)(4 ) addresse s drip s fro mpum p seal s tha t contai nVC , an d§ 61.242-2(d)(6 ) addresse s drip s fro mpum p seal s tha t

d o no t contai nVC

. Th e fina l revise dprovision s o f § 61.242-2(d ) ar e designe dt o accomplis h tw o purposes . On e i s t o ensur e tha t V C leak s fro mpum p seal s ar e detecte dan d eliminated

. Thi s i s accomplishe db y paragraph s (d)(4 ) (i) , (ii) , an d(iii)

. Th e othe r purpos e i s t o identif

y an dpreven t pum p sea l failure s b y causin g abnorma l drippin g (eve nwhe nV C i s no t containe di nth e drippin g liquid ) t o b e detecte dan drepair s t o b e made

. Thi s i s accomplishe db y paragraph s (d)(6 ) (i) , (iii) , an d(iv)

. Thes e paragraph s requir e th e facilit y owne r

o r operato r t o establis hcriteri aassociate dwit hnorma l operation

. Th e inten t

o f th e fina l provision s i s identica l t o th e existin g provision

. Th e differenc e i s tha t

th e promulgate d provision s o f

§ 61.242-2(d)(6)(i ) allo w a n owne r o r operato r t o tak e int o accoun t th e smal l numbe r

o f liqui ddrip s tha t ma y occu r

whe nne w seal s ar e i nplac e o r ar e otherwis e associate dwit hnorma l operation

. D

. Th e definitio n o f

"3-hou r period " ha s bee n revise dt o ensur e tha t asingl e even t o f 1-hou r o r les s a t 1 0 pp mo r greate r coul dresul t

i nn o mor e tha na singl e violatio n o f

th e exhaus t

ga s standard

. A phras e ha s bee nadde dt o th e definitio no f

"3-hou r period " i n § 61.51(z ) t o accomplis hthis

. Th e EP A di dno t inten dt o penaliz e aplan t thre e time s wheneve r

a1 0 pp meven t

occur s withi n1 hour

. Rather , EP A wante dt o ensur e tha t

acombinatio no f

tw o o r mor e 1 0 pp mevent s whic hwoul dresul t i na3-hou r

exceedanc e d o no t

g o unpenalize djus t

becaus e the y occurre d ove r tw o separat e 3-hou r

"blocks. " Th e promulgate drevise ddefinitio no f "3

- hou r period " satisfie s EPA' s inten t withou t unintentionall y subjectin g a plan t owne r o r operato r t o multipl e violations

. E

. Th e definitio no f

"ED C purification " ha s bee nrevise dt o clarif y tha t emission s fro mcrude , intermediate , an d fina l storag e tank s followin g ED C formatio n ar e no t

subjec t t o th e exhaus t ga s standard

. (Th e 198 6 revision s exempte donl y fina l storag e tanks. ) I n addition , § 61.65(b)(6) , Openin g o f equipment , ha s als o bee nrevise dt o clarif y tha t th e requirement s i nthi s sectio n d o no t

appl y t o crude , intermediate , o r

fina l ED C storag e tanks

. A s state di n th e proposa l preamble , th e regulatio no f

thes e storag e tank s i s unnecessar y becaus e emission s ar e extremel y low

. F

. I nadditio nt o th e change s mad e i n respons e t o th e petition s fo r reconsideration , amino r clarificatio n ha s bee nmad e i ng 61.68 , Emissio n monitoring

. Sinc e i t

i s obviou s tha t paragrap h(a ) o f

§ 61.6 8 call s fo r

th e monitorin g o f

th e emission s fro m prescribe dsource s fo r

viny l chlorid e an dno t ambien t ai r samplin g a s require dunde r

§ 61.65(b)(8 ) fo r

lea k detection/elimination , § 61.68(b ) ha s bee nclarifie dt o requir e tha t representativ e (no t

air ) sample s fro m on e o r mor e applicabl e emissio n point s b e obtaine dan danalyzed

. Thi s promulgate drevisio n mor e accuratel y reflect s th e origina l intent

. IV

. Administrativ e Requirement s A. Docket Th e docke t

i s a n organize dan d complet e fil e o f

al l th e informatio n submitte dt o o r

otherwis e considere db y EP A i n th e developmen t o f thi s rulemaking

. Th e docketin g syste mi s intende dt o allo w member s o f th e publi c an dindustrie s involve dt o readil y identif y an dlocat e document s s o tha t the y ca n effectivel y participat e i n th e rulemakin g process . Alon g wit hth e statemen t

o f basi s an dpurpos e o f

th e propose dan dpromulgate drevisions , an dEP A response s t o significan t comments , th e content s o f th e docket , excep t fo r interagenc y revie w materials , wil l serv e a s th e recor di n cas e o f judicia l revie w (sec

. 307(d)(7)(A))

. B. Paperwork

Reduction

Act Ther e ar e n o additiona l informatio n collectio n requirement s associate dwit h thi s rulemaking

. C. Executive Order

12291 Unde r Executiv e Orde r

12291 , EP A mus t judg e whethe r

aregulator y actio n i s "major " and , therefore , subjec t t o th e requiremen t

o f aregulator y impac t analysis

. Thi s fina l rulemakin g i s no t majo r becaus e i t

make s mino r

clarifyin g revision s t o a nexistin g regulatio n and , therefore , result s i n non e o f th e significan t

advers e economi c effect s describe di n th e Order

. Thi s rulemakin g wa s submitte dt o th e Offic e o f Managemen t

an dBudge t (OMB ) fo r

revie w a s require db y Executiv e Orde r

12291

. An y writte n comment s fro mOM B t o EP A an dan y EP A respons e t o thos e comment s ar e include di n Docke t

No

. A-81-21

. Th e docke t i s availabl e fo r

publi c inspectio n a t EPA' s Ai r

Docke t Sectio n tha t

i s liste dunde r

th e ADDRESSE

S sectio no f thi s notice

. D. Regulatory Flexibility Act Th e Regulator y Flexibilit y Ac t ( 5 U.S.C

. 60 1 et

seq.) require s th e identificatio n o f

potentiall y advers e impact s o f

Federa l regulation s upo n smal l busines s entities

. Th e Ac t specificall y require s th e completio n o f a Regulator y Flexibilit y Analysi s i n thos e instance s wher e smal l busines s impact s ar e possible

. Becaus e thes e mino r revision s impos e n o advers e economi c impacts , aRegulator y Flexibilit y Analysi s ha s no t

bee nconducted

. Pursuan t t o th e provision s o f

5 U.S.C

. 605(b) , I hereb y certif

y tha t th e final rul e wil l no t hav e asignifican t

economi cP.5



### FssSera l Esgist e /

Vc " Tuaoday , Jul y 10 , 199 0 / Rule s an dRegulations

. impac t o n asubstantia l numbs ? c f end ! entities

. Lis t o f Subject s i m m CF S Par t 0 1 Ai r pollutio ncontrol , Asbestos , Benzene , Beryllium , Cok e ove n emissions , Hazardou s substances , Incorporation s b y reference , Inorganic ; arsenic

. Intergovernmenta l rskl'or.o , Mercury , Radionuclides , Reportin g cid recordkeepin g requirements , Viny l chloride , Volatil e hazardou s ei r pollutants

. Dated : Jul y 3,19S0

. Willia mK

. Reilly , Administrator. Fo r th e reason s se t

fort hi n th e preamble , 4 0 CFR par t

6 1 i s emende dE J follows :

•PAR T®1—[AMENDED ] 1

. Th e authorit y citatio nfo r par t 6 1 continue s t o rea da s follows : Authority : Sees

. 101,112,114,116 , 291 , CleanAir Ac t a s emende d(4

2 U.S.C

. 7431

. 7412 , 7414 , 7416 , 7601)

. 2

. Sectio n61.6 1 i s amende db y revisin g paragraph s (o) , (w) , (x) , (y) , an d (z ) t o rea da s follows : § 61.6 1 DaflniSt®ros

. O O t, i, o (0 ) Ethylene dichloride purification include s an y par t

o f th e proces s o f ethylen e dichlorid e purificatio n followin g ethylen e dichlorid e formnticri , bu t exclude s crude , intermediate , end fina l ethylen e dichlorid e storag e teniss

. o tt

tt

a

o (w ) Leak mean s an y o f

severe ! evert s tha t indicat e interruptio no f confinamEr. t o f viny l chlorid e withi nproces s equipment

. Leek s includ e event s regulate dunde r

subpar t V o f thi s per t suc has : (1 ) A ninstrumen t

readin g o f

10.C3 0 pp mo r greate r measure daccordin g t o Metho d2 1 (se e appendi x A c f £ 0 CF R par t 60) ; (2 ) A senso r

detectio no f

failur e o f

a sea l system , failur e o f

abarrie r flui d system , o r

both ; (3 ) Detectabl e emission s e s indicate d b y a n instrumen t

readin g o f

greate r ther

. 50 0 pp mabov e backgroun dfo r equipmen t

designate dfo r

n o dstectsb'. 3 emission s measure daccordin g t o Tes t Metho d2 1 (se e appendi x A c f b C CFH par t 60) ; an d (4 ) I n th e cas e o f

pum p seel s ?3[-id?.?c d unde r § 61.242-2 , indication s c f liqr.i d drippin g constitutin g e lea k unda r § 61.242-2

. Leak s als o includ e svsnt s regulate d unde r %61.35(b)(8)(i ) fo r

detectio nc f ambien t concentration s i nexces s o f besivTwur.s i concentrations

. A relie f VE.1V.) ;bb;:;bcr£ 3 io zzia leak

. {}•) HrhotmSl

£GS msan s an y offga s (th e constituent s c f

whic hma y consis t

o f an y fluids , cithe r

a s c. liqui dand/o r

gas ) discharge ddirectl y o r

ultimatel y t o th e nimo?pher e tha t

wa s initiall y containe d i n s r r.~ o ix

. direc t

contac t wit hth e aquipi'.en l fi ? whic hga s limit s ar e ;p ; -esc'-iii: b b ; 3 g 31.62(e ) an d(b) ; Sl.emc b U.2C felbi) , (b) , (c) , an d(d) ; 31.3 5 fe)

- bjiin , {bj[Xt, (b)(3) , (b)(5) , :b)(8)[ i ! , ;b)['7j , en d(b)(9)(ii) ; an d 31.S5[dj

. .

A Issk a o define di n paragrap h ^iv j c f Lai s sectio n i s no t

a n exhaus t

gas . Equipmen t

whic hcontain s exhaus t ga s i c SU'OJE:;" ; to 0 31.35(b)(8) , whethe r o r no t tha t cccipjr.en t

contain s 1 0 percen t

b y volum e . ir.y ! chloride

. (y ) Ri:J.vJf

valvs discharge mean s an y non'.ee b dlcchcrg s throug harelie f valve

. {z) :!-h.:urperiod

izieam an y thre e consecutiv e I-hou r

period s (eac h coiu r "i.—;ir. 3 o n th e hour) , provide dtha t tb e :.:_: : ::b~ r

c f S-hcv. r period s durin g whicb

. "LVJ

viny S cilcrid e concentratio n axecj b.E1 3 pp3 i ice s no t excee dth e nunibs ? c f

b-haui ' period s durin g whic h th e v'.rf. nb'.oild aconcentratio n exceed s I C ppm . S

. Sectio n 31.2 5 i s emende db y r3viuli: g ^aragrsph a(a ) an d(b)(6 ) antroductci y text , en daddin g paragrap h Jd ) t s raa dc s follows : 2 Qt.S G i;^:cc!© KoCcftder ^ tarethylon © CsKsrKo , \ynyt

efstertiJ a an d polyviny l

oooo o {&} Relief

valve discharge. Excep t fo r a nemergenc y reJie f

discharge , an d excep t r s provide di n § 61.65(d) , ther e i s t o b e n c discharg e t o th e atmospher e fron:

. er> y raiie f veiv e o n an y equipmen t i nviny l chtorid s service

. A n emergenc y relie f discharg e mean s adischarg e whic hcoul dno t

hav e bee n avoide db y takin g cnecsure s t o preven t th e discharge

. Withi n 1 0 day s o f an y relie f va l v s discharge , excep t fo r thos e subjec t t o 8 21.£S(dj , th e owne r o r operato r o f th e scare s fro mwhic hth e relie f valv e discharg e occur s shal l submi t t o th e Administrato r

arepor t i n writin g contr.fcin g irifcnr.stio n o n th e source , natur e an dcauc s c f

th e discharge , th e dat e en dtin s c f

th e discharge , th e approxhr.et c tota l viny l chlorid e los s durin g th e discharge , th e metho duse d fo r determinin g th e viny l chlorid e los s (th e calculatio n c f

th e viny l chlorid e ioss) , th acctlc n ths t

wa s take n t o preven t th e dirr.herge , an dmeasure s edoitc b t c prevcr. ) futur e discharges

. (b ) ' • » '£ ) Opening of

equipment. Viny l chicrid c SX:3E:C:I D fro mopenin g o f equ'crr.en t

'excludin g crude , intermediate , an dfina l ED C storag e tanks , bu t includin g prepolymerizatio n reactor s use di n th e manufactur e o f bul k resin s an dloadin g o r

unloadin g line s tha t ar e no t opene dt o th e atmospher e afte r eac hloadin g o r

unloadin g operation ) ar e t o b e minimize dfollows :

* * * O tt (d ) A RV D tha t

i s ducte dt o acontro l devic e tha t

i s continuall y operatin g whil e emission s fro mth e releas e ar e presen t a t th e devic e i asubjec t

t o th e followin g requirements : (1 ) A discharg e fro macontro l devic e othe r tha naflar e shal l no t

excee d1 0 pp m(averag e ove r

a3-hou r period ) a s determine db y th e continuou s emissio n monito r syste mrequire dunde r § 31.68

. Suc hadischarg e i s subjec t t o th e requirement s o f

§ 61.70

. (2 ) Fo r adischarg e route dt o aflare , th e flar e shal l compl y wit hth e requirement s o f

§ 60.18

. (i ) Flar e operation s shal l b e monitore d i naccordanc e wit hth e requirement s o f § § 60.18(d ) an d60.18(f)(2)

. Fo r th e purpose s o f

§ 60.18(d) , th e volum e an d componen t

concentratio n o f

eac hrelie f valv e discharg e shal l b e estimate dan d calculatio nshal l b e mad e t o verif y ongoin g complianc e wit hth e desig nan d operatin g requirement s o f i i 80.1 8 (c)(3 ) throug h(c)(6)

. If

mor e tha non e relie f valv e i s discharge dsimultaneousl y t o a singl e flare , thes e calculation s shal l accoun t fo r th e cumulativ e effec t

o f al l suc hrelie f

valv e discharges

. Thes e calculation s shal l b e mad e an dreporte d quarterl y fo r

al l discharge s withi n th e quarter

. Failur e t o compl y wit han y o f th e requirement s o f

thi s paragrap hwil l b e aviolatio no f

§ 61.65(d)(2)

. Monitorin g fo r

th e presenc e of

aflar e pilo t flam e shal l b e conducte di n accordanc e wit h§ 60.18(f)(2)

. I f th e result s o f

thi s monitorin g o r

an y othe r informatio n show s tha t th e pilo t flam e i s no t presen t 10 0 percen t

o f th e tim e durin g whic harelie f

valv e discharg e i s route dt o th e flare , th e relie f valv e discharg e i s subjec t

t o th e provision s of § 61.65(a)

. (ii ) A repor t

describin g th e flar e desig n shal l b e provide dt o th e Administrato r

no t late r tha n B O day s afte r th e adoptio n o f

thi s provisio n o r withi n3 0 day s o f

th e installatio n o f

a flar e syste mfo r

contro l o f

relie f valv e discharg e whicheve r

i s later

. Th e flar e desig n repor t

shal l includ e calculation s base dupo nexpecte drelie f valv e discharg e componen t

concentration s an dne t heatin g value s (fo r

PV C thi s calculatio nshal l b e base do n value s expecte dif

areleas e occurre da t

th e instan t th e polymerizatio nstarts) ; an d estimate dmaximu mexi t velocitie s base dupo n th e desig nthroa t capacit y of th e ga s i n th e relie f

valve

.P. 6



### Federa l Registe r/

Vol

. 55 , No

. 13 2 /

Tuesday , Jul y 10 , 199 0 / Rule 9 an dRegulation s 2834 9
4

. Sectio n61.6 8 i s amende db y revisin g th e firs t

sentenc e inparagrap h (b ) to rea da s follows : § 61.6 8 Emissio n monitoring
. 

### **** * (b ) Th e viny l chlorid e monitorin g system(s ) use dt o mee t

th e requiremen t inparagrap h(a) o

f thi s sectio ni s to b e a devic e whic hobtain s representativ e sample s fro

mon e or more applicabl e emissio npoint s o nacontinuou s sequentia l basi s an danalyze s th e sample s wit

hga s chromatograph y or , i f th e owne r or operato r assume s tha t

al l hydrocarbon s measure dar e viny l chloride , wit

hinfrare d spectrophotometry , flame io ndetection , o r a nalternativ e method

. * * * **** * 5

. Sectio n61.242- 2 o

f subpart V i s amende db y revisin g paragraph s (d ) introductory text , (d)(5) , an d(d)(6) , an d b y addin g paragraph s (d)(4 ) (i) , (ii ) an d (iii ) t o rea da s follows : § 61.242- 2 Standards : Pumps
. 

### (d) Eac hpum p equippe dwit

hadual mechanica l sea l syste mtha t include s a barrie r fluidsyste mi s exemp t

fro mth e requirement s o

f paragraph s (a) an d(b ) o f thi s section , provide dth e following requirement s ar e met : **** * (4) * * * 

### (i) I f ther e ar e indication s o

f liqui d drippin g fro

mth e pum

p sea l a t th e time o f th e weekl y inspection , th e pum p shal l b e monitore da s specifie di n§ 61.245 t o determin e th e presenc e o

f VO C an d VHA Pinth e barrie r

fluid

. (ii ) I f th e monito r

readin g (takin g int o accoun t an y backgroun dreadings ) indicate s th e presenc e o

f VHAP , aleak i s detected

. For

th e purpos e o

f thi s paragraph , th e monito r

may b e calibrate dwit

hVHAP , o r

may emplo y a ga s chromatograph y colum nto limit th e respons e o

f th e monito r

t o VHAP , at

th e optio no f th e owne r

o r operator

. (iii ) I f a ninstrumen t

readin g o

f 10,000

- pp mo r greate r (tota l VOC ) i s measured , alea k i s detected

. (5 ) Eac hsenso r

a s describe di n paragrap h(d)(3 ) o

f thi s sectio ni s checke ddail y o r i s equippe dwit

ha n audibl e alarm

. (6)(i) Th e owne r

or operato r determines , base do ndesig n consideration s an doperatin g experience , criteri aapplicabl e t o th e presenc e an dfrequenc y of drip s an dt o th e senso r

that indicate s failure o

f th e sea l system , th e barrie r

fluidsystem , o r both

. (ii ) I f indication s o

f liquid s drippin g fro mth e pum

p sea l excee dth e criteri a establishe dinparagrap h(d)(6)(i ) o f thi s section , or

if , base do nth e criteri a establishe dinparagrap h(d)(6)(i ) o f thi s section , th e senso r

indicate s failure o

f th e sea l system , th e barrie r fluidsystem , or both , alea

k i s detected

. (iii ) Whe nalea

k i s detected , i

t shal l b e repaire da s soo na s practicable , bu t n o late r than1 5 calendar

day s after

i t i s detected , excep t

a s provide din§ 61.242

- 10

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

thanfive calenda r

day s after eac hlea k i s detected

. **** * [F RDoc

. 90-1601 5 File

d7-9-90 ; 8:4

5 am ) BILLIN G COD E 6560-SO- MP. 7



### 3693 2 

# 1 Correction s 

# A j i-P A Federa l Registe r Vol

. 55 , No

. 17

4 Friday , Septembe

r 7 , 199 0

Thi s sectio n o f th e FEDERA L REGISTE R contain s editoria l correction s o f previousl y publishe d Presidential , Rule , Propose d Rule , an d Notic e documents

. Thes e correction s ar e prepare d b yth e Offic e o f th e Federa l Register

. Agencyprepare d correction s ar e issue d a s signe d document s an d appea ri n th e appropriat e documen t categorie s elsewher e i n th e issue

.
ENVIRONMENTA L PROTECTIO N AGENC Y 4 0 CF R Par t 6 0 [AD-FR L 2960-5 ] RI N 2060-AA3 0 Standard s o fPerformanc e fo r Ne w Stationar y Sources ; Volatil e Organi c Compoun d (VOC ) Emission s Fro m th e Syntheti c Organi c Chemica l Manufacturin g Industry (SOCMI ) Ai r Oxidatio n Processe s 

### Correction I n rul e documen t

90-1426 3 beginnin g o n pag e 2691 2 i nth e issu e o f Friday , Jun e 29,1990 , mak e th e followin g corrections : 1

. O n pag e 26922 , i nth e firs t column , abov e th e signatur e line , th e date dlin e shoul drea d"Jun e 13,1990"

. §60.61 1 [Corrected ] 

### 2

. O nth e sam e page , i nth e thir d column , i n § 60.61 1 unde r th e definitio n fo r "Air Oxidation Reactojr", i nth e thir d line , "combine " shoul drea d "combined"

. §60.61 4 [Corrected ] 

### 3

. O npag e 26928 , i n§ 60.61 4 i nTabl e 2 , i n th e thir dcolumn , th e secon dentry shoul drea d"0.0619"

. §60.61 5 [Corrected ] 4

. In§ 60.615(b)(3) , o npag e 26929 , in th e first column , i nth e 4t

hcomplete paragraph , i nth e 12t

hlin e "records " wa s misspelled

. BILUN G COD E 1505-01- 0 ENVIRONMENTA L PROTECTIO N AGENC Y 4 0 CF R Part 6 0
\ * * [AD-FR L 2960-6 ] RI N 2060-AA3 5 Standard s o f Performanc e fo r Ne w Stationar y Sources ; Volatil e Organi c Compoun d (VOC ) Emission s Fro m th e Syntheti c Organi c Chemica l Manufacturin g Industry (SOCMI ) Distillatio n Operation s Correction 

### In rul e documen t

90-14265 beginnin g o npag e 2693 1 i nth e issu e o f Friday , Jun e 29,1990 , make th e followin g correction : §60.66 5 [Corrected ] I n§ 60.665(g)(4) , o npag e 26950 , inth e firs t column , inth e first

an dsecon dline s of th e sixthparagraph , th e word s "adsorber " an d"absorber " wer e transposed

. BILLIN G COD E 150541 4 ENVIRONMENTA L PROTECTIO N AGENC Y 4 0 CF R Part 42 1 [OW-FRL-3729-8

] RI N 2040-AB3 1 Nonferrou s Metal s Manufacturin g Poin t Sourc e Categor y Effluen t Limitation s Guidelines , Pretreatmen t Standard s an d NewSourc e Performanc e Standard s 

### Correction I nrul e documen t

90-1778 2 beginnin g o npag e 31692 , i nth e issu e o f Friday , Augus t 3,1990 , make th e followin g corrections : §421.15 2 [Corrected ] 

### 1

. I n§ 421.152(m) , o npag e 31698 , i n th e first column , i nth e secon dcolum no f th e table , th e fourt

hentry , "2.117 " shoul drea d"2.118"

. §421.26 3 [Corrected ] 

### 2

. O n pag e 31708 , i nth e firs t column

. i n§ 421.263(j) , th e firs t word , "Platinum " shoul drea d"Palladium"

. 3

. O npag e 31712 , i nth e first column , unde r 8 

### 421.26 6 [Corrected] , i n amendator y instructio n109 , i nth e nex t t o las t lin e remov e th e tex t

followin g "metals " an dinser t

"t o rea da s follows:"

.
BILLIN G COD E 1505-01- D

FEDERA L MARITIM E COMMISSIO N 4 6 CF R Par t 58 0 [Docke t No
. 88-19 ]
Rul e o n Effectiv e Dat e o f Tarif f Change s 

### Correction I nrul e documen t

90-2008 4 beginnin g o npag e 34929 , inth e issu e o f Monday , Augus t 27,1990 , mak e th e followin g correction : O npag e 34931 , inth e thir dcolumn , in th e las t line , "Octobe r

20,1990. " shoul d rea d"Octobe r

26,1990. "

BILUN G COD E 150541- D
DEPARTMEN TO F HEALT H AN D HUMA N SERVICE S Healt h Car e Financin g Administratio n Statemen t o f Organization , Functions , an d Delegation s o f Authorit y Correction 

### I nnotic e documen t

90-18425 appearin g o npag e 32149 , inth e issu e o f Tuesday , Augus t

7,1990 , make th e followin g correction : O npag e 32149 , inth e thir dcolumn , unde r "B

. Offic e o

f th e Attorne y Adviso r (FA-2)" , i nth e 12t

han d13t hlines , "Sectio n1886(d)(l)(C)(iii)(II) " shoul d rea d"sectio n1886(d)(10)(C)(iii)(II)"

. BILUN G COD E 1505-01- D !



# 4

I

;P. 8

Federa l Regis!®! ? /

Vol

. 55 , No

. 17 4 /

Friday , Septembe r

7 , 199 0 /

Sunshin e Ac t

Meeting s 3693 1
MATTER S T O S E CONSIDERE D 1

. Approval o

f Minute s o

f Previou s Close d Meeting

. 2

. Central Liquidit

y .Facilit y line s cf Credi S fo r Fiscal Yea

r 1891

. Close dpursuan t

t o exemption s (4) an d(SXA}[ii)

. 3

. Administrativ e Actio nunde r Part 74 5 o f th e NCU A Rule s ac dliegdaticna

. Des- J pursuan t to exemption s [8]ac d{Q \ 4

. Admiaiatrstiv e AcJicnijcderScstr/j n £3 3 o f th e Federa l Credi t

LtaioaAct

. C!rsc d pursuan t t o exemption s (51 , J8) , (9i(Alfu) , an d (9)(B)

. 5

. ftdmimstrati-pe Actio nunde r Section s 11 6 an d20 8 cf

'th aFedera l Credi t

V nicr. Azl. Close dpursuan t

t o exemption s (8) en d (9)(A)(H)

. 6

. Administrativ e Actioc s en f Erfcc-i m 20 8 o f th e Federa l Credi t

Unio nAct

. Close d pursuan t to exemption s (8) an d(9)(A)(ii)

. FO R FUCTKS 3 lEPORESATCEK l -ssx^sisn Beck y Baker , Secretar y o f th e Board , Telephon e (202 ) 682-9600

. BeckyBaker , Secretary

of the Board. [F RDoc

. 90-2117 8 File d9-5-80 ; 1:56 pm j BILLIN G COD E 7SIS-C5- C ©V2ES2A 8 PKtWAT F INVESTMEN T e©S?©3ATC©K

t Meetin g o f

th e Boar do f

Director s Y!E3 S cux® BATE : 1 p.m . (close dportion) , 3:5 0 pun . (ope n portion) , Tuesday , Septembe r

18,19S0

. PH££ 3 bbfbce s zi± 3 '-Gsrporaiion , fonrtii floo r Boar dRoom , 161 5 M Street , NW,,

. Washington , DC

. STCi-us : Th e firs t

par t o f th e meetin g fro mI p.m . t o 3:3 C p.m . wil l b e close dt o th e public

. Th e ope n portio n -of f 1h e meafZ j .vrl l Ec;r:nr:iceat3i30pjm

. (ap-c-rb^rebj,]

. aaWEK S ¥ 0 E S (E0PCS5CERED : IQose d .t o th e publi c l;G9>m

. t o 3:3 0 p.m.) ; 1

. F.ccident' s Repcri 2

. Polic y Revisio no n "Countr y List " an d "HighIncome " Countr

y Designation s 3

. Financ e en dInsurance,projec t i n Ven3£uti d 4 In : u ur.o e Projec t

I n Argentin a 5

. lnsurcr.e e pjc;st i in Malaysi a 8

. Insuranc e Projec t

inPakista n 7

. Insuranc e Projec t

in Philippine s 8

. Insuranc e Projec t i nChil e 9

. Insuranc e Projec t

in Argentin a 10

. Claim s Repor

t 11

. Financ e an dInsuranc e Report s 12

. Approval o

f 7/10/9 0 Minute s (Close d Portion ) FURTHE R WAITER S T O E S CONSIDERED : (Ope n t o 4h e Publi c3:30 p.m. } 1

. Approval o

f 7jl0,'.$0Minute s {Open Portien j 2

. MooatianofSetaine dJfercang s 3

. Informatio n Seport o
• C SeconETmatlo n o f

craeKng s schedul e fo r remainde r

•ol 193 0 CONTACT.PERSS N .FO R JKFGRKATCCai : Informatio n wit hregar dt o th e meetin g ma y b e obtaine dfro mth e Secretar y c f th e Corporatio n o n (202 ) 457-7007

. Dated : September

4.1990

. Denni s K

. Dolan , ' OP1C Corporate Secretary. |F RDoc

. 90-2117 0 File d9-5-90 ; 1:2 4 piir ] BILLIN G COD E 32.10-01-0 9