January 27, 1986 Interoffice Communication Mr.

Vista Chemical Company 15990 North Barker's Landing Road Post Office Box 19029 Houston, Texas 77224 Phone (713) 531-3200 February 2, 1988 ;\n. r;'\Zf :'F: i Mr.

TO: Distribution Interoffice Communication FROM: DATE: SUBJECT: T. 6.

TGS: J&c.

Vista Chemical Company April 21, 1987 15990 North Barker's Landing Road Post Office Box 19029 Houston, Texas 77224 Phone <713) 531-3200 a.

Vista Chemical Company 15990 North Barker's Landing Road Post Office Box 19029 Houston, Texos 77224 Phone <713) 531-3200 March 2, 1989 RETURN RECEIPT REQUESTED Ms.

TO: Fayetta Tasby Interoffice Communication FROM: DATE: SUBJ: T.

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TO: J.

TO: W.

Vista Chemical Company 15990 N.

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TO: from:: DATE: Interoffice SUBJ: Communication Charles Matson {; .. xzt T.

AMERICAN INDUSTRIAL HYGIENE ASSOCIATION 475Wolf Ledges Parkway*Akron,OH 4431T-10E 0to3, ] October 21, 1987 Allyson Kliefoth Industrial Hygienist State of New Jersey Department of Health John Fitch Plaza, CN360 Trenton, NJ 08625 ; f: V - t Dear Ms.

To: Tom Grumbles \-J t i, 9 Interoffice Communication From: Date: Subject: W.