UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MISSOURI CAST .OJ VISION R T OAV IS, ET Al . , r> RECEi VEDSEP 3 01985 PLAINTiffs, CAUSE NO. 80-722CC4) i_ V. .r u.

TECHNICAL CHANGE ORDER f) CertairiTeedEI CerlainTeed Corporation Pipe and Plastics Group applicable to: A/C Standard Product Specificat ion Spec. #13 BVff 6f issue: May 1 , 1982 T.C.O.

PLAINTIFF'S EXHIBIT CHV-491 CHEVRON U.S.A.

CertainTeedH To Mail Code Mr.

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.

Special Article Medicolegal Aspects of Asbestos for Pathologists c * i r nnn i c The t-o orincieal Itgtl femeOie* avails a to victim* ot atStcoi-ra'alaO Citeaia art m; etaimt fcr eanatitt undar w:-.at*' :ansantat.on !

OAF CORPORATION Interoffice _ Correspondenc To: Mr.

STERLING CHINA CO.

(b) Tests, studies, surveys and/or research of any type concerning the hazards and/or potential exposure associated with any specific type and/or brand of asbestos-containing material/product, including but not limited to, materials/products that were manufactured, sold, distributed, installed, applied and/or otherwise used by defendant and/or any predecessor/related entity, other than those already identified in response to Standing Order No. 1 Interrogatories; (c) Tests, studies, surveys and/or research of any type concerning the relationship between exposure to asbestos and any disease, including pleural disease, asbestosis, lung cancer, mesothelioma and/or cancer of any kind; (d) Dust counts, industrial hygiene surveys, tests relating to TLVs, and/or like studies, tests and or surveys concerning the propensity of any material/product to release asbestos fibers (including but not limited to, materials/products that were manufactured, sold, distributed, installed, applied and/or otherwise used by defendant and/or any predecessor/related entity) and/or the quantity of fibers released; (e) Dust counts, industrial hygiene surveys, tests relating to TLVs, and/or like studies, tests and or surveys concerning the presence of asbestos fibers at any facility, location and/or area (including but not limited to, those owned, operated and/or controlled by defendant and/or any predecessor/related entity) and/or the quantity of fibers present; (f) Tests, studies, surveys and/or research of any type designed to reduce or eliminate inhalation of asbestos and/or asbestos fibers by persons working with and/or around asbestos and/or asbestoscontaining materials/products; and/or (g) Research of any type concerning asbestos.

Colt Industries Garlock Inc Mechanical Packing Division 1666 Division Street Palmyra.

FILE COPY Hit TECHNICAL REPORT for Garlock, Inc.

J-M Manufacturing Co., Inc.

J-M Manufacturing Co., Inc Internal Correspondence To ALL PLANT MANAGERS Date: From : g. e.

m OPERATIONS MANAGEMENT AGREEMENT Da--: December 30. 1983. ?

1 J-M Manufacturing Company, Inc.