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# OAR Box 1500 Prepped by Ollie Stewart



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Number: 

# 65 ) ll-C-9 1 Docket Number: 

# A-94-5 2

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Sheet 65 of 343P. 2

$ A \ UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y - (jr°[\ | ^S!f2. ? RESEARC H TRIANGL E PARK , N C 2771 1 

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### J§9 8 OFFIC E O F AI R QUALITY PUNNIN G AN O STANDARD S Mr . John Schweitze

r Composit e Fabricator s Associatio n 165 5 Nort h For t Mye r Drive , Suit

e 51 0 Arlington , Virgini a2220 9 Dea r John : Than k you fo r your Ma y 9,199 8 facsimil

e regardin g cos t

methodologie s fo

r MAC T and your suggeste d definitio n t o distinguis h th e corrosio n resistant proces s groupin g fro

mthe noncorrosio n proces s grouping . A s I indicate d during ou r phon e conversatio n on Ma y 15 , 1998 , w e nee d additiona

l informatio n o n th e indirec t cos t element s yo u hav e suggested . However , w e fee l i t i s mor e efficien t firs t t o get aclarification o n eac h ofth e cos t element s befor

e w e reques t thi s addition ^ information . A s you know , w e ar e in th e proces s of

settin g u p ateleconferenc e wit h yo u t o discus s this . Th e rem<ainde r o f thi s lette r provide s comment s t

o you r suggeste d definitio n fo

r corrosio n resistan t

(CR) resins . For th e CR proces s groupin g definition , you suggeste d adefinitio n of aC R resin . Thi s definitio n i s agoo d alternativ e fo r listin g specific resi n type s an d woul d therefor e b e usefu l a s a par t ofth e C R proces s groupin g definition . Anothe r par t ofth e CR proces s grouping i s needed , however , in orde

r t o distinguis h between the C R and no n C

R applications . Thi s i s t

o avoi d th e us e o f ahighe r HA P resi n tha t meet s you

r definition bein g use d fo

r ano n C R application . W

e wil l continu e t

o conside r th e definitio n o f

aC R applicatio n t o b e one tha t meet s th e corrosivit

y criteri acontaine d i n th e Federa l Hazardou s Wast

e Regulatio n definitio n o f

hazardou s waste . W

e e-maile d thi s definitio n t o you , Bo b Lacovara, ' an

d Stev e McNall

y o n March 25,1998 . W

e coul d consider specifi c application s tha

t do no t mee t thi s definitio n a s yo u discusse d in ou r phone conversatio n such a s fue

l t<an k storag e an

d wast e wate r treatment applications . However , in orde r t o ad d suc h application s w e nee d t

o bette r understand th e corrosiv e mechanism s tha t ar e not encompasse d b

y abov e corrosivit

y definition . Yo

u ma y wan t t o furthe r investigat e thes e and other corrosio n application s currentl y being utilize d by th e member s ofth e Composit e Fabricator s Associatio n t o determin e ho w thes e ma y b e characterized .

Interne t Addres s (URL ) • http://www.epa.go v Recycled/Recyclabl e • Printe d wit h Vegetabl e Oi l Base d Ink s o n Recycle d Pape r (Minimu m 25 % Postconsumer )P. 3

W e appreciat e the efforts you hav e mad

e in puttin g togethe

r you r cos t and C R definitio n suggestion s and loo

k forwar d t o you r furthe r efforts i n th e area s presented i n thi s letter . I f

yo u hav e an y questions , pleas e call m

e a t (919 ) 54 1 -2 3 8 3 .

Sincerely , Madelein e Stru

m Environmenta

l Enginee r Coating s an d Consume

r Product s Grou

p



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