Document 6ByKao334M4m8ErRkEg4R5g9E

T. G. Wylie Division Superintendent Coal and Coke Operations Asbestos Survey MAILED MAY 2 0197?m \pA 1tVWWttlNTAl * hwih SERVICES CUIRrOMl EASTERN STEEL DIVISION iNtt: May 20, 1977 ft** P. K. Morrison Superintendent Environmental and Health Services On April 21, 1977, an 4Sj*s.tos_yrvey was conducted on Number 19 Battery. The purpose of the survey was to evaluate employee exposures to asbestos .flber while using asbestos rope to pack slip joints. ,| . -- ---------------------i ii i ..... ...................... .................r ' Criteria OSHA limits an employee exposure to asbestos dust to two fibers longer than five micrometers per cubic centimeter of air based on an eight hour time weighted average exposure. Concisions - The results of the survey (Table 1) indicate time weighted averageexposures of 0.04.and 0.03 .fibers/ccjof. air-for.the two employee monitored. These exposures are well below the 2.0 fibers/cc permissible limit. It should be noted that the asbestos rope was wetted before packing the slipjolnts. This practice should be continued. This monitoring fulfills the initial monitoring requirements of the OSHA standards for usage of asbestos rope for packing of slip joints. The use of asaestos rope for the packing of slip joints may be expanded. TMC/er s Attachment cc: L. G. Gainer R. E. Lewis R. L. Walls / USEI000069 USEI000070 0m9 <A 9V)9 <O> om rt x t/o> m r,,9, o SO s C iairton Works 4-21-77 Time weighted average exposure - (TWA) is 0.04 fib e rs/cc o f a ir. cc s tn 5* mC9t/Ol -O<<h//>l soO mx ce/> tiO USEI000071 Table I con't Asbestos Survey C lalrton Works