Document ByGd4Qbq88g6bRvD2KabR0ka4

*} PATTERSON REDUCTION PLANT ASBESTOS SAMPLING STUDY July 10, 1979 SAMPLE NUMBER & DESCRIPTION A6019-32 Wingfield, J.W. Pipefitter (removing vet asbestos from pipe and storage tank), 8:45A-9:00A A6019-34 Wingfield, J.W. Pipefitter (picking up asbestos from floor), 9:01A-9:26A A6019-36 Wingfield, J.W. Pipefitter (removing asbestos insulation from tank), 9:55A-10:25A A6019-33 Francis, B. Pipefitter Apprentice (removing vet asbestos from pipe and storage tank), 8:45A-9:00A A6019-35 'Francis, B. Pipefitter Apprentice (picking up asbestos from floor), 9:01A-9:26A A6019-37 Francis, B. Pipefitter Apprentice (removing asbestos insulation from tank), 9:55A-10:25A A6019-40 Franklin, T. Welder (cutting tank loose from supports) U:10A-11:35A ASBESTOS CONCENTRATION (fibers/cc) 26.41 4.79 0.79 20.74 2.82 0.80 9.40 ASBESTOS CONCENTRATION (fibers/cc)-TWA* > 1.12 > 0.84 0.48 *0SHA standard for Asbestos fibers is 2.0 fibers/cc, 8-hr. time-weighted average. Ceiling value not to exceed 10 fibers/cc over any 15 minute period. TX TINER RMC0004593 DRAFT SUGGESTED NOTIFICATION 1979-09-17 TO: Dear Mr.. : As you may remember, on July 10, 1979, you wore an Industrial Hygiene sampler, to determine your exposure to asbestos while removing insulation from a water storage tank in the rectifier station. Results indicate compliance with the OSHA 8-hour standard for asbestos; however, a single short-term sample (15-minute) was in excess of the permissible ceiling level. You were provided with the appropriate personal protective equip ment to reduce your exposure to vitbin permissible guidelines. A written asbestos removal and repair procedure has been established in order to minimize your exposure to asbestos. If you have any questions regarding this notification, please advise. Signature r TX TINER RMC0004594