p. 1



# OAR Box 1384 Prepped by Charmelle Mathews



### Document

Number:
J/ 

# J$6) ll-E-19

0
Docket Number: 

# A-94-5 2

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

Sheet 230 of 264P. 2

11-23-199 8 8 = 57P M FRO M 11/23/9 8 11:0 4 ©1919941023 4 P . 2 PE S RT P N C ©002/00 3

ContactRepor

t From : Madeleine Strum , U.S . Environmenta

l Protectio n Agenc y Melani e Procto

r / Rober tJemison , Pacifi c Environmenta l Services , Inc . Date : Contact : Company : Octobe r 6,199 8 Mr . Larr y Burrough

s Hydr o Systems , Inc. Telephon e Number : (805)584-999 0 Fa x Number : (805 ) 584-812 5 EP A AI R DOCKE T
Contac tSummary : Ms . Strum , Ms . Proctor

, an d Mr . Jemiso n aske d Mr . Burrough

s question s concernin g the Hydr o Systems , Inc . facilit

y locate d in Sim i Valley , CA . I

n respons e t o thes e question s Mr . Burrough s indicated th

e following : Th e facilit y manufacture

s tub s an d whirlpoo

l baths . Th

e facilit y employ s approximatel

y 6 5 peopl e an d i s no towned b

y anothe r compan y o r corporatio

n (the facilit

y i s family owned) . Th e facilit y operate s fo r tw o shift

s durin g a norma l workday . Th e firstshif ti s th e norma l production shift . Th e secon d shif

ti s use d t o prepar e mold s an d equipmen

tfo r th e firs tshif ttha twil l occu r o n th e followin g day . Regula r Productio

n Th e facilit y use s spray-u

p t o appl y approximatel

y 250,00 0 lb s pe

r yea r o f polyeste r resi n i n th e fabricatio

n o f it s products . Th

e resi n i s filled wit

h a lightweigh

tfiller blen

d (>50 % b

y weight ) an d contain s a vapor suppressant . Th e resi n i s appUe d in a spra

y boot h tha ti s vente d t o a carbo

n adsorptio n system . Mr

. Burrough

s agree d to suppl y A e actua

l resi n usag e fo r th e 199 7 calende r yea r an d th e MSD S for th

e polyeste r resi

n use d t o fabricat e th e facility' s products . Th e facilit y use s spray-u

p t o appl y approximatel

y 20,00 0 lb s pe

r yea r o f polyeste r ge l coa

t i n th e fabricatio n o f

it s products . Th

e amoun to f gel coa tuse d b y the iacilit

y i s decreasin g a s th e facilit y i s replacin g it

s us e o f ge l coat s wit h acryli c sheet. Th

e gel coa ti s applie d i n a spra

y boot h tha i i s vente d t

o a carbo n adsorptio

n system . Th

e colo r o f th e ge l coa tapplie d b y th e facilit

y i s dependen to n the produc

tspecification . Mr

. Burrough

s agree d t o suppl y the actua

l ge l coatusag e fo r th e 199 7 calende r yea r an d th e MSD S for th e tw o mos tcommo n pigmente

d ge l coat s use d b y th

e facility . Mold Manufacturin

g Th e facilit y use s han d lay-u p (bucke tan d brush ) t o appl y a n unfilled , isophthalic resi n i n th e fabricatio n o f mold s use d b y th e facility . Th

e facilit y als o applie

s a toolin g ge l coa

ti n th e fabricatio

n ofth e molds . Mr

. Burrough

s agree d t o suppl y th e actua l toolin g resi

n an d ge l coa tusag e for th

e 199 7 calender yea

r an d th e MSD S fo

r th g resiij^n d ge l coa tuse d t o fabricat e th e facility' s molds . INFORMATIO

N I S ACCURATE ' 

## MUAC U ii-ea-qg .• P. 3 11-23-199 8 8:57P

M FRO M p. 3 "> ' 11/23/9 8 11:0 4 ©1919941023 4 PE S RT P N C _]003/00 3 \ 1 ContactRepor t Mr . Larr y Burrough

s Octobe r 6,199 8 Pag e Tw o Carbo n Adsorptio n Svstem Al l o f th e resin an

d ge l coa ti s applie d i n thre e separat e spra y booth s tha

tven tdirectl y t o thre e separat e carbo n adsorptio

n device s (activate

d carbo n panels) . Th

e gel coa tboot h i s completel y enclose d bu

tth e othe r tw o ar e ope n o n thre e sides . Th

e facilit y monitor s th e exhaustfro

m the outle t o f eac h carbo n adsorptio

n syste m fo r reactiv e organi c compound

s (ROC ) using a HN

U mode l P I 10 1 phot o ionizatio n detecto r (PID) . Thi s monitorin g i s don e onc e pe r shif tan d i s fo r th e purpos e o f ensurin g tha

tthe activate

d carbo n panel s ar e no tsaturated. Th

e activate d carbo n panel s ar

e considere d saturate

d i f th e RO C level read b

y th e PI D i s greate

r tha n 3. 0 ppmv. Whe n th e carbo n adsorptio

n systems wer

e firstinstalled , the facilit

y woul d hav e l o chang e th e carbo n filter s approximatel

y ever y tw o wfceks

. Thi s rate o f carbo n filter replacemen

ti s no longe r necessar y du e t o th e following fectors: th

e reductio n o f th e ge l tim e ofth e resin fro

m 8-1 0 minute s t o 4- 6 minutes , th e gradua l replacemen

to f gel coat * applicatio

n wit h th e us e o f

acryli c sheet , th e chang e from a n aluminu

m trihydrat

e base d filler t o a lightweightfiller blend , th e increas e i n filler loadin g from 36 % t

o th e curren tleve l o f >50% , an d improve d airflo w management

. I n othe r words , the facilit y ha s reduce d th e RO C loadin g t o eac h ofth e carbo

n adsorptio

n system s an

d a s a resul

tno longe r ha s t

o change th e carbo

n filter s a tsuc h a frequen

trate. Th e facilit y ha s no tdon e EP A referenc e metho d testin g a tth e inletan d outie to f

th e carbo n adsorptio n device s t

o determin

e th e overal l leve l o f contro l efficiency . Th

e facilit y als o ha s no t conducte d a n emission s testusin

g EP A Referenc

e Metho d 2 5 A on th

e exhaus toutlet s ofth e carbo

n adsorption systems . However , in additio n t o th e monitorin

g o f th e exhaustoutlets discusse d previously , th

e facilit y als o use s the PI

D t o monito r th e ROC concentratio

n i n the sho p includin g the area s wher e the choppe

r gun s ar e used . I f the ROC concentratio

n detecte d i s greate r tha n 2 0 ppmv , th e facility take s actio n t o determin

e wh y th e RO C concentratio

n has reache

d thi s level . For example , thi s actio n woul d include checking th e exhaus tsyste m fan s t o ensur e tha tal l fan s ar

e operational .



# ^J&dj INFORMATIO

N I S ACCURATEwO^AJjCO U Qjjrfe ^ 1 \- ? ^ - S £



## '7^P. 4 

# y 

# . - 11-23-199 8 8:5GP

M FRO

M P. 1



## ^CZ-^p 

# Hydro System s FA

X messag e 5 0 Morelan d Road , Sim i Vallev

. C A 9306 5 (805) 584-999 0 FA

X (805 ) 584-812 5

Date : Tuesday , Novembe r24 , 199 8 To : Rober

t M

. Jemiso n @ Pacifi c Environmenta l Serv

. (919 ) 941-023 4 From : Larr

y Burrough s Re : Contac

t Repor t Numbe rof page s includin g thi s one : 3

Th e tw o pag e Contac

t Repor t follows

. I hav e signe d bot h pages . I wil l sen d yo u th e informatio n o n actua l amount s of material s use d an d th e MSDS s yo u requeste d i n th e mail

. Pleas e don' t hesitat e t o cal l m e i f yo u hav e an y questions

. Regards ,



# 3