TO: Safety Directors FROM: DATE: Interoffice Communication SUBJ: T.

TO: Bill Carradine FROM: DATE: Interoffice Communication SUBJ : T.

Visto Chemical Company 15990 North Banter's Landing Rood Post Office Box 19029 Houston, Texas 77224 Phone (713) 531-3200 January 14, 1988 Mr.

TO: Distribution TGS: dd-: XF: Interoffice Communication FROM: DATE: SUBJ: T.

Interoffice Communication .

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

Vista Chemical Company 900 Threadneedle Houston, Texas 77079 (71 3} 588-3000 P.O.

Vista Chemical Company 15990 North Barker's Landing Road Post Office Box 19029 Houston, Texas 77224 Phone (713) 531-3200 July 1, 1988 Mr.

TO: Mike Hayes Lc cv FROM: DATE: Interoffice Communication SIJBJ: T.

Vista Chemical Company' October 20, 1986 15990 N.

TO: Dave Harmon Interoffice Communication FROM: DATE: SUBJ: Tom Grumbles February 12, 1985 USDA APPROVAL OF DRY BLEND FOR COMPRESSION POLYMERS Having reviewed the procedure and requirements for product approval for use in incidental food contact application, I see no reason, nor significant risks involved, not to proceed with selling to Compression for their intended use.

TO: Bob Klein XF.' j\ V/ ^.'

Vista Chemical Compony 15990 N.

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July 3, 1989 TO: Margaret Rogers RE: "Event Reports" Basis for EPA Draft Acute Hazardous Events Database As we discussed on Friday, I have begun researching the database on polyvinyl chloride and report the following information related to this effort: 1.