Document GmL9OEzV60DkO19ZYrpbnOnxm

W. J. Kelly, Division Superintendent Maintenance & Utilities Asbestos Survey - Bricklayers # 14 Battery ) United States Steel Corporation. katon met DIVISION M* April 1, 1980 hwe N. R. Stromness, Superintendent Environmental & Health Services On March 25, 1980, an asbestos survey was conducted on #14 Battery rebuild, the purpose of the survey was to evaluate employee exposure to asbestos fiber while using asbestos rope to pack around the air boxes being installed on the battery. Criteria: OSHA limits an employee exposure to asbestos dust to two fibers longer than five microns per cubic centimeter of air based on an eight hour Time Weighted Average exposure. Conclusions: The results of the survey (Table 1) indicate Jiae Weighted. Average exposures of .15 fibers/cc of air for both employees monitored. These exposures are within the permissible exposure limit of 2 fibers/cc as established by OSHA. Recommendations: The practice of wetting the asbestos rope before using should be continued. The rope should be wetted before cutting or be cut on a wet saw. PRB/cay Attachment cc: K. A. Elkan T. G. Wylie T. F. Weir USEI000088 ASBESTOS SURVEY Clalrton Works 3/25/80 ACTIVITY I able I DURATION/MINUTES Bricklayer - Berclk Wetted pre-cut pieces of asbestos rope and then packed the rope around the air boxes. Used a metal rod to pound the rope Into place. (This exposure Includes time spent at lunch) 112 80 141 TIME WEIGHTED AVERAGE EXPOSURE (TWA) Is .15 flbers/cc of air. Bricklayer - Mlllas Wetted pre-cut pieces of asbestos rope and then packed the rope around the air boxes. Used a metal rod to pound the rope Into place. (This exposure Includes time spent at lunch) no 80 144 TIME WEIGHTED AVERAGE EXPOSURE (TWA) Is .15 flbers/cc of air. ASBESTOS EXPOSURE FIBERS/cc .07 .61 .11 .14 .47 .13 USEI000089