PLAINTIFF'S EXHIBIT A/C Pipe Producers Association Executive Committee / f. -- Welch, Vice President Internal Correspo'nVdePnce date November 2, 1982 subject status Report - PAC-01-82, Municipal Market Program Ref: (1) JFW correspondence, same title, July 28, 1982 (2) JFW correspondence, same title, June 16,1982 Action Required: Review for information The Municipal Market Program is well on its way to completion.

PLAINTIFF'S EXHIBIT CAP-1352 INTERNAL MtO'ClNC KENNETH THOMPSON.

A/C Pipe Producers Association Public Affairs Committee International Affairs Committee l^r.UJjLmU FROM ?

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

CELANESE CHEMICAL COMPANY, INC.

:fficc Memorandum ^nd Location) ^listed jn jnd uocation) !

To: Dr.

f t Interoffice AleiiiorniKiliini TO (Nim ftno LocftUon) As Listed* FROM (Nama and Location) M.R.

January 18, 1980 < .

P.

CertainTeedH October 10, 1983 TO: All A/C Pipe Plant Employees As you may be aware, the U.S.

Specification IRM-MS-1381-J Chevron THERMAL INSULATION FOR HOT LINES, VESSELS, AND EQUIPMENT FOR HOT LINES, VESSELS, AND EQUIPMENT thermal insulation March 1989 (MS1381J.WP, 4/18/89) Page 1 of 10 CHEV BB OlfUCH Chevron Specification IRM-MS-1381-J THERMAL INSULATION FOR HOT LINES, VESSELS, AND EQUIPMENT CONTENTS 1.0 SCOPE 2.0 MATERIALS 2.1 Acceptable Materials 2.2 Insulation 2.3 Stainless Steel 2.4 Weatherjacketing 2.5 Weather Jacket Attachment Fixtures 2.6 Storage of Materials 1 3 3 3 3 4 4 '4 3.0 GENERAL INSTALLATION REQUIREMENTS 3.1 Condition of Surfaces to Be Insulated 3.2 Insulating Cement and Bore Coatings 3.3 Valve Bodies, Flanges, and Manways 3.4 Double-Layer Insulation 3.5 Weatherjacketing ' 4.0 SPECIFIC REQUIREMENTS FOR PIPING 4.1 Applicable Drawings and Forms 4.2 Insulation Requirements 4.3 Weather Jacket Requirements 4.4 Insulation for Traced Lines 5.0 SPECIFIC REQUIREMENTS FOR VESSELS,COLUMNS,AND HEAT EXCHANGERS 5.1 Applicable Drawings and Forms 5.2 Insulation Requirements 5.3 Weather Jacket Requirements 6.0 SPECIFIC REQUIREMENTS FOR MISCELLANEOUSEQUIPMENT 6.1 Applicable Forms 6.2 Protection of Mechanical Equipment 6.3 Plastic Insulation 7.0 INSPECTION 8.0 FORMS AND DRAWINGS 4 4 5 5 5 5 6 7 7 8 9 9 9 9 10 12 12 12 12 12 12 March 1989 (MS1381J.WP, 4/18/89) Page 2 of 10 CHEV BB 010492 Chevron Specification IRM-MS-1381-3 THERMAL INSULATION FOR HOT LINES, VESSELS, AND EQUIPMENT 1.0 SCOPE This specification covers the requirements for insulating hot surfaces on vessels, heat exchangers, piping, and equipment using conventional types of insulation such as calcium silicate, mineral wool, fiberglass, or cellular glass.

ESIS An INA CCKDCKJton Contoi^y 27261 Las Ramblas, Suite 203 P.0.

J-M Manufacturing Company, Inc.

y.,* > An Address by zJf PLAINTIFF'S EXHIBIT JMMC-13 1 THORNE G.