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# OAR Box 1384 Prepped by Charmelle Mathews



### Documem Number: 

# 1 ) ll-E-15 0 Docket Number: 

# A-94-5 2

Printed 7/2/2008 8:42:10 AM Sheet 191 of 264P. 2 04/-J-J/S 8 THU1B:3 7 U4/ZJ./S B 17-2 0

From : Date : Contact : Company : FA

X BI Z 48 2 510 7 SUNK1S E FIBERGLAS S ^^919941023 4 PE S RT P M C

Contac tRepor t 1000 1 10002/00 3 

### A 9 4 5 ?

Rober t Jemison , Pacifi c Environmenta l Services , Inc . (PES ) Apri l 21,199 8 Mr . Byro n Rieck Sunris e Fiberglas s Corporatio n \ \ . - r) n ^ : \ \ 

### \ \ 

### C-> « ' ' L 

### \ \ Telephon e Number : (612)462-531 3 Fa x Number : (612 ) 462-510 7 ep*- * Px' R ^oc ^

Contac t Summary : Mr . Byro n Riec k

wa s contacte do n behal f

o f th e U.S . EP

A t o updat e informatio n provide d i n th e 199 3 EPA Reinforced Plasti c Composite s Screeoin g Surve y submitte db y Sunris e Fiberglas s Corporatio n for

thei r facilit y locate d i n Wyoming , Minnesota . In respons e t o na y question s Mr . Riec k indicate d th e following : Th e facilit y i s a"jo b shop " tha

t produce s awide variet

y of products . Th e facilit y use s hand lay-u

p t o appl y polyeste r andviny l ester

resin s i n ih e fabricatio n o f certai n products . Th e polyeste r an d viny l este r resin s appliedb y han

dlay-u p contai n approximately 40 % HA P b y weigh

t (o n average) . Th

e only HA P initiall y present

i n th e polyeste r

an dviny l ester resin s i s styrene . N o additiona l HA P i s addedt

o th e resin s durin g th e fabricatio n proces s wit h th e exceptio n o f

smal l amount s o f

HA P tha t ma y (or ma y not ) b e presen

t in initiators , promoter s and/or catalyst s adde d t o th e resins . Approximatel y 90 % ofth e resin s applie dusin g han dlay-u p contai n avapo r suppressant . Th e facilit y use s spra

y lay-u p t o appl y polyeste r andviny l ester

resin s i n th e fabricatio n of certai n products . Th e polyeste r an d viny l este r resin s appliedby spra

y lay-u p contain approximately 40 % HAP b y weigh

t (o n average) . The only HA P initiall y present

i n th e polyester

andviny l ester resin s i s styrene . N o additiona l HA P i s adde dt o th e resin s durin g th e fabricatio n proces s wit h th e exceptio n o f

smal l amount s o f

HA P ma t ma y (or ma y not ) b e presen

t i n initiators , promoter s and/o r catalyst s adde d t o th e resins. Approximatel y 85 % ofth e resin s applie dusin g spra y lay-up contai n avapo r suppressant . Th e facilit y use s spra

y lay-u p t o apply anumbe

r o f pigmente dpolyester

gel coat s whic h contai n approximatel y 38.6 % HA P b y weigh

t (o n average) . Th e ge l coat s contai n bot h styren e (approximatel y 34 % b y weight) an dmethyl methacrylate , (approximately 4.6 % b y weight) . N o addiliona l HA P i s added t o th e ge

l coat s durin g th e fabricatio n proces s wit h th e exceptio n o f

smal l amount s o f

HA P thai ma

y (or ma y not ) b e presen t i n initiators , promoter s and/o r catalyst s adde dto th e ge l coats . INFORMATIO N I S ACCURATE ^ ^ 

### TVrt ^ - ^ (^KM^ > 

# IP. 3 04/23/9 8 „ TH

U 16:3 7 FA

X 61 2 46 2 510 7 ^FJi*^ 5 * ® 003/!o T <& 3 /A 8 , u a TH U A

B : : *: J u 7 tA VlVl»V4'l023 4 PE S RTP N C

Sunris e Fiberglas s Corporatio n Apri l 21,199 8 Pag e Tw o Th e facilit y use s th e resi n transfe

r molding (RTM) proces s o n alimite dbasis . Th e viny l este r resin s applie d usin g th e RT

M proces s contain approximatel y 45 % HA P b y weigh

t (o n average) . Th e onl y HAP initiall y present i n th e viny l ester

resin s i s styrene . N o additional HA P i s adde d t o di e resin s durin g th e fabricatio n proces s witii th e exception of smal l amount s o f

HA P tha t may (o r ma y not ) b e presen t

i n initiators , promoter s and/or catalyst s adde dt o th e resins . Th e facilit y use s avacuum-assiste dmoldin g proces s i n th e fabricatio n o f certai n products . Th e vacuumassiste d moldin g proces s i s conductedb y pourin g aresin int

o amold , coverin g th e mol d wit h arigid cover , and the

n applyin g avacuu

mt o th e mold . Th e facilit

y doe s no t

rol l ou t th e resin prio r t o coverin g th e mold . Th e polyeste r an dviny l este

r resin s use dwit

h th e vacuu massiste d moldin g proces s contai n approximatel y 40 % HA P by weigh

t (o n average) . Th e onl y HA P initiall y present i n th e polyester

and viny l este

r resin s i s styrene . N o additiona l HAP i s adde dt o th e resin s durin g th e fabricatio n proces s wit h th e exceptio n o f

smal l amount s of

HAP that ma y (o r ma y not) b e present i n initiators , promoter s and/o r catalyst s addedto th e resins . Ther e ar e n o mixin g operation s conducte da t thi s facihty .

INFORMATIO N I S ACCURAT E 

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