Document k60zopJVYpyJ5J5bv4RzdwQ6y

EXHIBIT# txffrni-acA nATEQfi* r'lWZ Chambers Works Mechancial Department MASTKOUNHI t FQRM&:u. It ~MDP 60 October 29, 1982 CERTIFIED SHORTHAND RE-*" ' Sheet 1 of 18 PROCEDURE ASBESTOS CONTROL 1. PURPOSE To prescribe methods for controlling, measuring and eliminating exposure to asbestos dust. 2. SCOPE Applies when working with airborne-dust that originates from asbestos and asbestos-impregnated materials. 3. SOURCE OF EXPOSURE A. These procedures are to be followed when removing any insu lation containing asbestos. All "white goods" must be considered to contain asbestos fibers until analysis and/or record research proves that it does not. Record research could be project files, work orders, etc. provided they detail the specific insulation to be removed from the piping and/or equipment. Chambers Works has not specified or purchased insulation containing asbestos since 1972. How ever, in order to provide an additional margin of safety; the date of installation alone shall not be considered sufficient evidence that the material is non-asbestos. If time is not available or it is not practical to obtain an analysis or otherwise verify the insulation is asbestos-free, treat all white goods as asbestos. B. Other materials used on the plant also contain asbestos and are potential sources of asbestos exposure of varying degree. Heat suits and gloves, laboratory hot pads, transite board and pipe, braided and molded packing, asbestos board, listing tape, asbestos cloth, compressed asbestos gaskets, braided asbestos tubing covering, Haveg pipe and fittings, brake linings, etc. are typical examples. In general, how ever, this type of asbestos is not friable but rather contained by a binder and therefore no special precautions need to be taken unless dust will be or has been created during the handling, cutting, grinding or using of this material. 4. EXPOSURE LIMITS . A. A long term exposure is defined as the 8-hour time weighted average (T.W.A.)* of 2 fibers, longer than 5 microns, per cubic centimeter of air and; IIAverage concentration occurring over a period of 8 hours. DEFENDANTS EXHIBIT y/3 DUP 0906894 121439 SC-DP-07460