Document 6bo4eQx953w6go9rJ745jrQko

Chambers Work* Mechanical Dep&rtmen Janu*ry 29, 1979 D? 60 Sheet 3 of 7 PROCEDURE CONTROL OF ASBESTOS DUST 6. CONTROL OF AS3SSTOS DUST - Continued F. Asbestos waste shall be collected in damp or wetted condition and placed in a sealed impermeable bag. The bag shall be identified with caution tag MU-1378 and transported to the Chambers Works landfill accompanied by a Waste Chemical Transportation Order (MU-1766-R-1). The bag should be strong enough so that it will not rupture during landfill operations. G. The work area shall be roped off (barricaded) and caution signs conforming to Engineering Standard S-4-T, 7.6 shall be posted at all approaches. Roped off limits shall be placed at a sufficient distance to prevent bystander expo* sure (8 hr. T.W.A. of more than 0.1 fiber/cc longer than 5 microns) and will permit a person to read the signs apd take necessary precautions before entering the area. In addition, the work area shall be designated as s "Limited Access Area" (see Section 10-D) during the course of the work and cleanup procedure. K. Chemical contaminated asbestos or asbestos-bearing materials require special considerations and should be handled by adequately trained personnel. It is the building custodian's (operations) responsibility to determine who may perform the work. 7. RESPIRATORY EQUIPMENT A. Respiratory protection shall be provided to all personnel in areas where the permissible exposure limits may be exceeded per Section 4-A. B. Mechanical filter-type respirators are required when the T.W.A. or ceiling concentrations are not expected to exceed 10 times the lintits stated in Section 4-A. C. Atmosphere-supplying positive pressure regulators sre required when the 8 hour T.W.A. or IS minute T.W.A. concen trations are expected to exceed 10 times the limited stated in Section 4-A. D. Medical Class I employees are approved medically to wear respirators. Any other medical class, other than Class I, must have written clearance from Medical concerning their physical suitability to wear respirators. Each employe* who may use a respirator shall be instructed in its use and in testing it for proper fit. He shell test it for proper fit prior to each use (see MOP-57). UP 09047H 121262