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Bell Laboratories dale , ' w "on; j-p'{ Z- Attached is a numbered copy of the new Bell Laboratories Safety Practices binder and the first five practices pertaining to ASBESTOS, NOISE, RESPIRATORY PROTECTION, EYE PROTECTION, and HAZARDOUS WASTE DISPOSAL. New sections will be sent to each registered copy holder as they are developed. In order to insure prompt delivery of these sections, it is essential that changes of address be sent promptly to: Industrial Hygienist KH IF-104 If you have any suggestions do not hesitate to write the Industrial Hygiene and Safety Group, Room KH IF-104. LLA 001839 PLAINTIFF'S EXHIBIT ATT-381 ASBESTOS lotnxhxtioo Mammanee and repair work cn scree of the Befl Laborstoria Plant facilities has necessitated that an aralien asbates insulation an pipes, balers, beams, etc., be manipulated a removed. To assure cnmphancc with all applicable state and federal regulations: 1. All andactors cr Bdl ^abaratoies employees engaged in asbestos a removal must comply with the regulations outlined in the Occupational Safety and Health Administration (OSHA) Standard 29 CFR 1910.1001. 2. The Envixonmental Management Group cf the Enviranmental Health, Envireumental Management and Safety Center should be provided with the name cf the dspoal site. 06HA Standard The preent OSHA asbetoi standard is twoasbesta fibres per cubic centimeter of air as an 8-hcur Tune Weighted Avenge (TWA). *OSHA Program Directive #300-16,* requires that medical emanations be given employes who have asbestos apasures equal to or aacedng 0J fibres per oifaic centimeter of air as an 8-fanur TWA. Aihestce lanfatiao Before working with matedsi that is thought to amahs asbestos, the material rant be analyzed to determine if it is fact docs omtain asbestos. It is not poaifaie by visual inspection to mcartain whether or net insulatiai *" asbestos. If insulation martcrisis are to be analyzed, please comet the Environmental Health and Safety Department for mreroctioB cn the coned method cf sampling. The primary gal when hawking asbestos nennfl material is to nwimm employee exposure, hsefar b posable, Otmam shmld be removed or otherwise worked in e wet state suffiriem to prevent the amssian cf auberue fibres. Far eumpie, weaken should cotimally mist or spray the layers d insulatiai with water if they are being removed. Employees engaged in the removal or rirmrOtim cf asbestos freulalitn a cowlings must be provided with respiratory pratectiat and with protective dotting. Generally, workers wear dqnstle coveralls "g a hood. Rapnaton must be NIOSWMSHA approved and be marked accadogly. Gmticn signs msst be provided and cfisplayed at each location when airborne conoeatratina cf Users may be in cf opesure limits. Signs must be at sneb a t^Tlanry from the lnoinn so that employees may read the sign and take aectssuy protective steps. Work arms should be roped eff god sigpu potted to prevent ira1 71011 exposure to personnel not working in the area. AD work areas where h<ini is being manipulated be within plastic drapes. Hoars should also be covered. Upon completion cf the work tasks, aD endacre materials should be removed mut (Ssprxed cf in accordance with the applicable regulations. Any asbestos containing wares must mirum caution labels that me to the bag craitainrng the waste. After completion d aD job nydc*, weds areas should be vacuumed with an approved vacuum cleaner mntannmg a HE7A filter which wiD remove 99S7%cf partids with a rfiamser cf 03 micrometers a greats. An alternative to vacuuming is town mop tie affected area. rer I ft LLA 001840 2 - Dbposal Asbesta is net regulated by RCRA, Raaurce Casservaticn and Recovery Act, and may be disposed d in a sanitary landfill. The Environmmtal Management Group should be supplied with the name d landfills used far asbestos disposal. Call MH i4868 Carknins The Enviromnmtal Health, Environmental Management and Safety Center is available to review contractor work practices and BTL work practics to insure compliance with aH applicable regulation. Has department is also available to monitor BTL employees who have a potential asbestos exposure a answer any asbestos related question. Call MH xfiSSl far assistance. LLA 001841