Document OE2DJXQnpV9207rEXKV04dgkL

Vista Chemical Company 15990 N. Barker's Landing Rd. Post Office Box 19029 Houston,Texas 77224 Phone (713) 531-3200 July 15, 1985 Mr. James E. O'Reilly Exxon Production Research Company 3319 Mercer Street Houston, TX 77027 VIS1A Dear James: This letter is to confirm our conversations regarding Vista Chemical Company's participation in the Offshore Operators Committee project entitled, "Toxicity of Mineral Oils in Water Base Muds". A two gallon sample will he sent directly to Maurice Jones at his Houston laboratory. It is understood that he will then formulate the mud mixtures and send them to ERC0 for testing as outlined in the 00C protocol. We look forward to receiving the study report and hope the agency is receptive. Sinrprp 1 v . Environmental Quality Manager ajo/007 cc Dan Plummer Dick Andersen J. A. Hall VVV 000016818