p. 1 

# OAR Box 1384 Prepped by Charmelle Mathews



### Document

Number: 

# $23$) ll-E-19 9 Docket Number: 

# A-94-5 2

Printed 7/2/2008 8:42:11 AM

Sheet 239 of 264——P. 2

DEC-16-9 S 01:2 7 P M PftCIFI C TAN K LT D 1 6 , c , , A t tBl<e . , 1 61 9 24 6 606 2 P . 0 2 

# 3i-e

- W Date : Novembe r 20 , 199 8 Contact ! Mi . Norval d Faresrvei t Company : Pacifi c Tank , LT D Telephon e Number . (760 ) 246-613 6 Fa x Number : (760 ) 246-606 2 Contac t Summary : Mr . Norval d Faresrvei t

was contacted t

o updat e informatio n provide d i n di e 199 3 EP A Reinforce d Plastic/Composite s Screenin g Surve y submined b y Pacifi c Tank , LT D fo r their facilit y located i n Adelaiito , California . In respons e t o m y question s Mr . Norval d indicate d di e following : Th e facilit

y make s conosio n resistan t product s fo

r anumbe r o f application s includin g chemica l storage , wate

r treatment , an

d semiconducto

r manufacturing

- j Th e facilit y nse s severa

l processe s t

o mak e the corrosion resistan

t product s discusse d above . j Thes e processe s includ e manua l resin applicatio n (bucke

t & brush) , mechanica

l resi n applicatio n j (spra y lay-up , chop-hoop filament winding) , an

d helica l filament winding . Helica

l filamen t winding j involve s th e wettin g of

reinforcemen

t b y drawin g di e continuou s glas s reinforcemen t through aresin j bat h prior to the reinforcemen

t bein g woun d o n arotatin g mandrel . I

n chop-hoop filament

winding , dr y continuou s glas s reinforcemen t i s helicall y woun d on amandre

l (perpendicula

r t o th e axis ) i

n athi n "we t bed " of resin an d choppe d reinforcement . Th

e "we t bed " o f reinforcement

i s applie d t

o th e mandre l usin g aspra y gu n (choppe r gun ) tha t feed s 1 o

r 2 strand s o f

continuou s glas s reinforcemen

t thoroug h th e spra

y gun choppe

r mechanis mdurin g th e resi n application . I n certai n cases , bot h helical and chop-hoop filamen t windin g ar e used t o mak e th e sam e product . Durin g th e 1997 calende

r year , th e facilit

y use s 50.88 0 lb s of

isophthali c resin . The primar y isophthali c resin used by th e facilit y wa s Reichhold Dio

n 663 1 althoug h smal l quantitie s of Cargil 845 6 wer e als o used . Th e HA

P (styrene ) conten

t ofth e Reichhol d Dio n 663 1 resi n i s 48.0 % b y weight . (Thi s HA

P content wa s supplied b

y Reichhold rathe

r tha n Pacifi c Tank , LTD) . Th e onl y HA P present i n tb e isophthali c resin s i s styrene . N o additiona l HA P (suc h a s styrene ) i s added t o th e resin s durin g o

r prior t o fabrication . A vapo

r suppressan

t i s no i adde d t

o th e isophthali c resin s during o v prio r to fabrication . Th e facilit y als o use d 63,45 0 lb s o

f viny l este r resin durin g di e 199 7 calender yea r Th e primar y viny l ester

resin used b

y th e facilit

y wa s DO W Derakane 411-35 0 PA althoug h smal l quantitie s o f

Ashlan d Hetro n 922 wer

e als o used . Th

e HA P (styrene ) conten

t o f di e DO W Derakan

e 41 1 -35 0 P A resi n i s approximately 45.0 % b y weight . (Thi s HA

P content wa s supplie d by DO

W Chemica l rathe r tha n Pacific Tank, LTD) . Th

e onl y HA P presen t ii i di e viny l este

r resin s i s styrene . N o addiliona

l HA P i s added t

o dies e resin s durin

g o r prio r to fabrication . A vapo

r suppressan

i i s no t added t o th e viny l este

r resin s during optiao r

t o fabrication . INFORMATION I S ACCURATE ^P. 3 DEC-16-9 S 01:2 7 P M PACIFI C TAN K LT D 1 61 9 24 6 606 2 P . 0 3 sCuntuo t Rt i por t Mr . Nor . aid Farestvei t Pacifi c Tan

k LT D November

20 , 199 S Pag e Tw o Th e particula

r resin use d b y th e facilit y i s dependen

t on standar

d industr y specification s suc

h s.t AST M DJ299 . di e chemica

l cnvironmcnt(s ) di e product wil l b e expose d to , an

d th e specification s o f di e produc t

customer . Fo

r certai n chemica l storag e environment s th

e facilit y use s the sam

e res m t o mak e aparticula

r produd , allhuuu

b Ih v produc t mti y l; v umU v wtiun Uillwvu l IfciUw^t'v.'

- processes . For

example , astorag e tan

k ma y b e mad e usin g bot

h hand lay-u p an

d helical filament winding , but

th e resi n applied usin

g bot h processe s wil

l b e th e sam e resin . I n odie r cases , th e facilit

y wil l mak e th e interio r

corrosio n banie r

o f di e product

wit h apremium , highl y corrosion-resistant resin (e.g . avinyl este

r resin) , an d die n use adifferen

t resin fo r di e structura

l ponion s ofth e product (e.g . afire-retardant

resi n o r ahighe r HA P conten t isophthali c resin) .

INFORMATIO N IS

ACCURAT E £ _ 

# 6 2 -P. 4 f DEC-16-9 S 01:2 6 P M PACIFI C TAN K LT D 1 61 9 24 6 606 2 P . 0 1

Fa x transmissio n cove r shee t 

# PACIFIC TAN

K LT D J717 7 Muskra t Ave . Atlclanlo , C A 9230 1 Thi s transmissio n consist s o f * * pages , o f whic h thi s i s #1 . Tel : (760)246-613 6 Fax : (760)246-606 2

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