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attachment 4 CHEMICAL MANUFACTURERS ASSOCIATION February 29, 1980 To: Vinyl Chloride Project Panel Subject: Vinyl Chloride Epidemiological Studies The enclosed proposal prepared' by CMA is based, in part, on the letter-proposal dated January 15, 1980 submitted by Environmental Health Associates, Inc.

(conoco) Interoffice Communication To M.

TRW 1420.JWC.80-114 11 Auqust 1980 A JL f'/' V1- Mr.

Cake Charles VCM Plant CERTIFIED MAIL #3161(1)4 RETURN RECEIPT REQUESTED April 8, 1980 '`"N ' ^ i X *>m *" ' Conoco Chemicals Company A Division of Conoco Inc P.O.

Laks Charles VCM Plant CERTIFIED MAIL #316124 RETURN RECEIPT REQUEST ED April 3, 1980 concco) `\f <: V>KU Conoco Chemicals ^tmipany A Division of Conoco Inc..

Lake Charles VCM Plant CERTIFIED WAIL #8094944 RETURN RECEIPT REQUESTED May 4, 1983 Conoco Chemicals Company A Division of Conoco Inc.

Interoffice Communication to Distribution From Tom Grumbles Date March 28, 1984 subject DRAFT MSDS FOR ALFONICS Jdtt--J6t.r TGSr-RF x'F- /ftsns Enclosed are draft MSDSs for three new ALFONICS.

TO: Roscoe Cooley Cp a*D FROM: DATE: Interoffice Communication SUBJ: T.

TO: Tom Butler tsst XF:- FROM: DATE: Interoffice Communication gygj.

* Interoffice Communication TO: W.

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TO: Interoffice Communication FROM: DATE: SUBJ: Distribution T.

TO: Bob Onofrey FROM: DATE: Interoffice Communication SUBJ: T.

TO: Don Wharry, Dan Plummer *66: SWltS: RF XF: DS/Sfi b f//aJ -, Std FROM: DATE: Interoffice Communication SUBJ: Tom Grumbles August 5, 1985 TRACE COMPONENTS IN PRODUCTS VISTA As you are aware, the requests for specific data or statements regarding product constituents have increased.