P. 1



# OAR Box 1107 Prepped by Ollie Stewart



### Document

Number: 

# 24 ) VI-B- 3

Docket Number: 

# A-81-2 1

Printed 4/11/20083:03:45PM

Sheet 24 of 90P. 2



# BFGoodric h

Th e BFGoodric h Compan y Geo n Viny l Divisio n 610 0 Oa k Tre e Boulevard Cleveland , Ohi o 4413 1 216-447-6000 

### APR1 

### ?. « EP A AI RDOCKET , 

# /?-•?/-<* /



# 1/1-8-1

Marc h 6 . 198 7 Certified Mai l No . P 33 8 74 1 02 0

Ms . Kare

n K . Fidler Radia n Corporatio

n Progres s Center 320 0 E . Chape l Hil l Roa d NelsonHighwa

y P.O . Bo x1300 0 ResearchTriangl e Park . N C Dear Karen : 2770 9

Enclose d i s ou r written respons e t o you r lette r date d Februar

y 24 . 1987 . Th

e enclosur e contain s th e writtenconfirmatio n o f ou r March5 . 198 7 telephon e conversations . Th e respons e i s organize

d t o respon

d t o th e question s containe d i n Attachmen t 1 of you r letter . I f yo u hav e an y furthe r question s concernin g ou r response , pleas e cal l m

e at (216 ) 447-7979 .

Sincerely . THE BFGOODRICH COMPAN Y GeonViny l Divisio

n

Jame s W . Lewis . P.E . Manager . Safety . Healt h an d Environmen t JWL/k p 0385 j Enclosur e
cc : W . C . Holbroo

kP. 3

ATTACHMEN

T 1 REQUESTED INFORMATIO N

Vinv l Chlorid

e Emissio

nEstimate s Fo r estimate s base

d o n physica l measurements : 1 . Wha t compound(s ) wa s measure d (i.e . viny l chloride , tota l hydrocarbons , etc.) ? Answe r - viny l chloride . 2 . Wha t metho

d o f samplin

g an d analysi s wa s use

d (i.e . portabl e hydrocarbo n analyzer , ba

g sampl e wit hG

C analysis , etc.) ? Answer - Metho

d 10 7 fo

r wastewate r containe d i n th e NESHA P VC M standar

d wa s use

d to determine th

e VC M concentratio

n i nth e wate r laye

r abov e th e store d liqui d i

n th e tw o ope n to p tanks . 3 . Wher e wer e measurement s take n (i.e. . vapor space , store d liquid) ? Answer - Th

e wate r layer abov

e th e store d liquid i

n th e tw o ope nto p tank s wa s sampled , take nt o th e laborator

y an d analyzed . 4 . Ho w wer e V C emission s calculate d fro m measurements ? Answe r - Th

e average molecula r weigh t of th e vapor s ove r th e wate r laye

r an d th e tru e vapor pressur e wa s calculate

d usin g th e concentratio

nof V C in wate r an

d th e idea l ga s laws . Thes e value s wer e the n incorporate

d wit hth

e other operationa l dat a t o calculat e emission s utilizin g th e equation s fo

r storage tan

k emission s i

n AP-42 . Fo r estimate s no

t base d o n physica l measurement s (i f any) : 1 . Wha t assumption s wer e made i n estimatin

g viny l chlorid e emissions ? Answer - Fo

r th e fou r fixe d roo f tanks , w

e assume

d th e wate r laye

r over th

e store d liquid wa s saturate d wit hVC .P. 4

- 2

Fo r the tw

o floatin g roo f tank s an d the Catoxi d feed tank , w e assume d the compositio n o f th e individua l liqui d stream s wa s the sam e a s the liqui d fro m the precedin g piece s o f proces s equipment . A naverag e molecula r weigh t wa s the ncalculate d fo r th e combine d liqui d store d i nth e tanks . Replacemen t o f Si xTank s Fo r eac ho f the existin g tank s tha t woul d nee d t o be replaced : 1 . Wha t i s the tank pressur e an d vacuu

m rating ? Ove r wha t rang e o f pressure s ar e the tank s currentl y operated ?



### .. '



### _' r 

### • Answe r - Th e si xtank s ar e rate d a t 2. 5 inc hW.G . an d no vacuum . The y

ar e presentl y

operate d a t ambien t conditions , essentiall y zer o pressure . 2 . I s the tank equippe d wit ha conservatio nvent ? I f so . wha t ar e the pressur e settings ?
Answe r - Th e tank s ar e no t equippe d wit hconservatio n vents . Provid e a ver y

brie f descriptio no f th e vapo r recover y syste m tha t woul d be installe d includin g th e followin g information : 1 . Woul d th e tank s be vente d t o a singl e manifol d heade r goin g t o th e incinerator ? O r woul d eac htank be vente d separatel y t o th e incinerator ?
Answe r - Th e tank s woul d ven t t o th e incinerato r vi a a singl e manifol d header . 2 . At wha t pressur e setting s woul d th e vapo r recover y syste m be activated ?
Answe r - Appropriatel y locate d tw

o stag e blower(s ) wil l be use d t o mov e th e vapor s fro m th e tank s t o the incinerator . Th e firs t stag e i s activate d a t 2 inche s W.G . an

d the second stag e a t 4 inche s W.G . 3 . Wha t woul d be the pressur e an d vacuu

m ratin g o f th e ne w tanks ? Answe r - Th e new

tank s ar e designe d fo r 6. 5 inche s W.G . pressur e an

d 1 ounc e pe r squar e inc hvacuum . 0385j/k p 3/9/8 7