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# OAR Box 1252 Prepped by Candice Davis



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Number: 

# 42 ) ll-B- 2
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# A-90-22

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Sheet 42 of 184P. 2

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HEWIRAKliiyi n 

# A=S© < DD-i- 2

Date : Januar y

8 , 199 2 To : Davi dMarkwordt , EPA/C P From : Davi dOcamb , Radia npi Subject : Compariso no f Benzen e ThrougRpu t

Benzen e Transfe r Operation s fe r an d

1. 0 INTRODUCTION

Th e purpos e o f thi s memorandu m i s t o presen t th e result s o f a compariso no f th e benzen e productio ncapacit y an dth e quantit y

o f benzen e loade ddata . Thes e dat a wer e develope da s par t o f th e HQM Transfe r effor t an dth e Benzen e Transfe r analysi s unde r th e Benzen e Litigatio nprogram . Th e primar y purpos e o f thi s memorandu m i s t o presen t th e dat a difference s fo r HON Transfe r versu s Benzen e Transfer .
Discusse dbelow

i nSectio n2. 0 1 s th e developmen t o f th e HON Transfe r dat a fo r benzen e productio nan d throughput . Sectio n3. 0 present s th e developmen t o f th e productio nan dthroughpu t dat a generate ddurin g th e Benzen e Transfe r analysi s an dSectio n4. 0 present s th e compariso no f th e dat a fro m eac hanalysis .

2. 0 HO W TRANSFE RTHROUGHPU T DEVELOPMEN T

A s par t o f th

©overal l an dcapacit y

utilization ) projec t t©a a fo r approxlaaf c analysi s u§o § thi s daft a an d o f mterto l l@ad©

d HO

M effort, productio ndat a (naceplat e capacit y hav ©bee ncollecte db^

th ©K0J 3 Industria l Profil e ©l y 45 0 produc t processes . Th © KOJ 3 Transfe r Sectio n11 4 Informatio nt o estimat e th e volume fror a a produc t process .
Th e HCJ 3 Industria l produc e benzene . Thes e reformatio no f naphtha , pyrolysi s gas . Referenc e I usin g on e o r ©identifie dthre e prodye t processe s whic h produc t processe s includ e catalyti c atio no f toluene , an

d hydrogenatio no f provide s niweplat e capacities fo r al l facilitie s

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mor e o f th e abov e processes . Usin g thes e capacities , th e tota l U.S . productio no f benzen e b y thes e thre e produc t processe s wa s estimate dt o be 1,278,000,00 0 gallon s fo r 1989 .

I norde r t o determin e th e quantit y o f benzen e loade da t a facility , dat a collecte dunde r a Sectio n11 4 effor t wer e use dt o develo pscalin g factor s t o relat e throughpu t t o productio ncapacity . Two scenario s wer e develope dfro

m th e Sectio n11 4 dat a t o represen t th e typ e o f transfe r vehicl e loade dan

dth e quantit y

o f productio ntransferred . Scenari o 1 represent s loadin g o f tan ktruck s an drailcar s wit ha scalin g facto r o f 7 percen t fo r estimatin g th e benzen e throughput . Scenari o 2 represent s a facilit y loadin g tan ktrucks , rai l cars , an dmarin e vessels . Th e scalin g facto r fo r estimatin g benzen e throughpu t fo r Scenari o 2 wa s 2 7 percent .

Onc e th e capacit y

dat a an dscalin g factor s wer e developed , th e volume o f benzen e loade dwa s estimate db y assignin g a scalin g facto r considerin g whethe r benzen e 1 s loade db y marin e vessel . Base dupo nth e analysi s o f availabl e marin e vesse l data , benzen e wa s determine dno t t o b e transferre d b y marin e vessel . A s a result , Scenari o 1 wa s applie dt o th e benzen e producer s an

dth e benzen e throughpu t predicte drepresent s 7 percen t o f th e produc t proces s capacity . Usin g th e Scenari o 1 scalin g factor , th e tota l volume o f benzen e loade dfo r 198 9 a s estimate db y HON Transfe r wa s 89,482,00 0 gallon s pe r year .

3. 0 IENZEN E TRANSFE RTHROUGHPU T DEVELOPMEN T
Qwfc g th e Benzen e Litigatio nprograra , benzen e productio ndat a wer e assedbHo ^ a s par t o f th e Benzen e Transfe r project . Thre e raajor area s wer e studie da s par t o f thi s effor t Including bul kterminals , cok e ovens , an d benzen e producers . Th e developmen t o f th e benzen e throughpu t fo r benzen e producer s 1 s documente dbelow .

IAJ HInorde r t o generat e transfe r emissions , a benzen e producer s facilit y

11s t wa s develope dfo r th e Unite dStates . Referenc e 2 an d Referenc e 3 wer e use dt o develo pa plan t 11s t wit h7 4 Individua l facilities . Du e t o constraint s o f th e Pape r Wor kReductio nAct , onl y nin e o f th e benzen e producin g corporatio nwer e contacte dt o estimat e th e nationwid e transfe r o f benzen e fo r 198 8 (the bas e yea r fo r Benzen e Transfer) . O f th e nin e corporation s contacte db y telephone , onl y

fiv e provide dbenzen e throughpu t an dproductio ndat a representin g 1 0 individua l facilities . Base dupo nth e dat a collecte ddurin g th e telephon e survey , th e entir e volume o f benzen e produce dannuall y

wa s assume dt o b e transferre doff-site .
Referenc e 3 provide d198 3 benzen e productio ndat a fo r th e majorit y o f th e remainin g 6 4 producers . Th e fe w producer s withou t capacit y dat a availabl e i nReferenc e 3 wer e assigne dth e averag e productio ncapacit y fro m thi s referenc e source .

A t thi s point , th e benzen e capacit y dat a Include d198 3 an d 198 8 values . A scalin g facto r o f 3.0 7 wa s generate dusing th e tota l U.S . capacitie s fo r 198 3 an d 198 8 documente di nReference s 2 an d4 . Th e scalin g facto r wa s applie dt o th e facilitie s wit h198 3 productio ndat a t o Inflat e t o th e 198 8 level . However , du e t o a typographica l erro r i nth e capacit y unit s in Referenc e 4 discovere dafte r completio no f th e Benzen e Transfe r effort , th e correc t scalin g facto r wa s actuall y 1 . Th e tota l benzen e produc t capacit y fo r benzen e producer s assumin g tha t 10 0 percen t o f productio nwa s transferre dwa s 914,000,00 0 gallon s durin g 1983 . Thi s valu e reflect s applyin g th e sea l in

nfacto r o f 1 t o th e 198 3 data .

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4. 0 COMPARISON

O F THROUGHPU T DATA

A s discusse dinth e abov e sections , th e tota l benzen e productio n estimate db

y HON Transfer wa s 1,278,000,00 0 gallon s an dth e tota l throughpu t wa s 89,482,00 0 gallons . Whereas , th e tota l benzen e productio nan d throughpu t fo r Benzen e Transfer wa s 954,000,00 0 gallons .
Th e actua l differenc e inth e benzen e throughpu t estimate s i s tha t th e HON Transfe r estimat e reflect s loadin g 7 percen t o f capacit y versu s 10 0 percen t loadin g fo r Benzen e Transfer . I f th e U.S . productio ncapacitie s ar e compared , th e HON

Transfer estimat e i s approximatel y 3 0 percen t large r than th e Benzen e Transfer estimate . I f th e tw o throughpu t quantitie s ar e compared , th e Benzen e Transfe r throughpu t i s anorder-of-magn1tud e greate r tha nth e HON

Transfer throughput . I f th e 7 percen t allocatio nfacto r i s applie dt o th e Benzen e Transfer capacity , th e throughpu t predicte di s 66,780,00 0 gallons . Th e predicte dBenzen e Transfe r throughpu t 1 s agai n approximatel y

3 0 percen t large r tha nth e HON Transfe r estimate .

I nconclusion , th e benzen e throughpu t estimate s generate dunde r HON Transfe r hav e a documente dbasi s fro m Sectio n11 4 data . Th e tw o loadin g scenario s unde r HON

Transfer hav e a documente dbasi s supportin g al l assumptions . Incontrast , a smal l numbe r o f producer s wer e contacte db y telephon e durin g th e Benzen e Transfer analysi s an dth e throughpu t dat a ar e questionable . Th e fallin g assumptio ninth e Benzen e Transfe r analysi s i s tha t 10 0 percen t o f productio n1 s transferre dwhic hi s severel y contradicte d b y th e HON Transfe r Sectio n11 4 survey .

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§. 0 REFERENCE S

1 . Standar dResearc hInstitute . Director y o f Chemica l Producers . 1989 .
2 . Standar dResearc hInstitute . Director y o f Chemica l Producers . 1988 .
3 . Memorandum . Markwordt , Davi dH. , EPA/OAQPS/CPB , t o Kellam , Robert, EPA/OAQPS/SASD . "Industr y Profile/Benzen e Loadin g Facilities. " Augus t 30 , 1989 .
4 . Standar dResearc hInstitute . Director y o f Chemica l Producers . 1983 .

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