CELANESE CHEMICAL COMPANY Chemcel Plant Bishop, Texas To: C.

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Mailed 9-16-77 MINUTES OF THE NINETY-NINTH MEETING OF THE TECHNICAL COMMITTEE AUGUST 10, 11, 12,1977 PLAINTIFF'S EXHIBIT W-293 PLACE The ninety-ninth meeting of the Technical Committee of the Gypsum Association was called to order at 9:00 a. m. in Bowman's Inn, Wemme, Oregon on August 10, 1977, by Chairman J.

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ANSI A21.6-1975 (AWWA Cl 06-75) ( ' Revision of A21.6-1970 (AWWA C106-70) AMERICAN NATIONAL STANDARD tot CAST-IRON PIPE CENTRIFUGALLY CAST IN METAL MOLDS, FOR WATER OR OTHER UQUIDS Administrative Secretariat AMERICAN WATER WORKS ASSOCIATION 0 Co- S ECRETARIATS AMERICAN GAS ASSOCIATION NEW ENGLAND WATER WORKS ASSOCIATION o Revised edition approved by American National Standards Institute, Inc., May 28, 1975.

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