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# OAR Box 1384 Prepped by Charmelle Mathews



### Document

Number: 

# 179 ) ll-E-13 9 Docket Number: 

# A-94-5 2

Printed 7/2/2008 8:42:09 AM

Sheet 179 of 264~ OU'

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From : Date : Contact : PU S mv NC ' '4.HJJ/UU J P. 2



## A 9 4 5 ? U:E7? 7 Contac tRepor t Melani e Proctor , Pacifi c Environmenta l Services , Inc . (PES ) Marc h 27,199 8 Mr . Kennet

h Zienrick

i Company : Structura l Nort h America Telephon e Number : (440 ) 286-411 6 Fa x Number : (440 ) 286-650 4
Contac tSummary : Ms . Procto r explaine d tha tPE S i s workin g with th e U.S . EP A o n th e developmen to f a nationa l emissio n standar

d fo r th e reinforce

d plasu^conmosite s mdustry . Sh e added tha tStzuctura l North Americ a wa s contacte d t o verif y informatio

n provided i n th e 199 3 EP A screenin g surve y fo r thei r centrifuga l castin g process . Ms . Procto r pointe d ou tthatth e EPA i s i n th e proces s o f establishin g emissio n standards fo r al l majo r source s o f

HA P tha treflectmaximu m achievabl e contro l technolog y (MACT) . Sh e explaine d tha tth e EP A i s currentl

y reviewin g an y pollutio n preventio n o r reductio n measure s tha tar e bein g use d i n centrifuga l castin g operations , i n orde r t o deterniin e th e MAC T floor fo r mi s process . Ms , Procto r aske d Mr . Ziemick i i f Structura

l Nort h Americ a i s usin g an y pollutio n preventio n measure s fo r thei r centrifuga l castin g process . Sh e explaine d tha tsuc h pollutio n preventio n measure s ma y includ e managemen to r eliminatio n o f

ai r flow through tiie centrifugal castin g machines , no theatin g Ih e air an d th e resi n durin

g applicatio n an

d curing , and th e reductio n o f hazardou s ai r pollutants (HAP ) i n th e resm . Mr . Ziemick i indicate d tha tStructura

l Nort h Americ a doe s no tmov e an y ai r throug h th e centrirugalcastm g machine s durin g m ^ H e als o mdicated thatu ^ centrifuga l machine s (drums ) ar

e electricall y heated to280 0 FtoheI p cur e th e par tMr

. Ziemick i explaine d tha

t th e centrifuga

l castin g machine s ar

c open^Tbot

h cndj&nd tha

tth e opening s ar

e 1 2 o r 1 6 inche s i n "diameter dependin g o n th e par tThe part s produced ar

e base s fo r wate r softenin g tanks . Mr . Ziemick i indicate d tha

tthes e base s ar

e no tproduced fo r corrosion-resistantapplications . (Contac treportcoritihue d o n secon d page ) INFORMATIO N I S ACCURAT E 

## /* 7#e S&AJ7~P*JIY I 

# I0BR?i
. 8.1998o:.3:2lPl^ 191 SIRlJCTLIRP L Nf l P. 3 PE S RT P N C NO
. 72 3 P
. 2/203/00 3



### Coul d yo n pleas e verit

y thatyo n stil l us e I S ton s of polyeste r resi n pe r yea r i n centrifugal castin g operation s wit h a HAP contento f

37. 5 percent ? I n addition , coul d yo u verity tha tyo n stil l ad d 1, 5 tons of styrene monomer to thatresi n a tyea r facility ? Whe n Ms . Procto

r aske d i f Structura l Nort h America' s resi

n mixin g vessel s ar

e ope n o r covered , Mr

. Ziemick i replie d tha tmosto f thei r mixin g vessel s ar

e ope n durin g mixing . Mr

. Ziemick i adde d tha ta cove r i s place d o n th e mixin g vessel s afte

r th e mixin g proces s i s completed . 

# see &€-*<y INFORMATIO

N I S ACCURAT

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2 

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