Document VJNgqGVzgrRMBwedejozZLaaK

INTERNAL CORRESPONDENCE FILE C HEMICALS AND PLASTICS P. O. BOX 8361. SOUTH CHARLESTON. WEST VIRGINIA 25303 .soo :aton PV *o Mr. W. T. Shelton Building 704 Shop Mr. G. F. Hurley Mr. G. C. Merz Mr. M. E. Perry Mr. H. L. Robinson Date May 10, 1979 Or.y.r^.ng D(.p,Techn ical Center IH/EP Subject Asbestos - Stripping Old Insulation PROJECT Survey for asbestos exposure of insulators stripping insulation from a four-inch steam line located in the service pit of Building 720, south side. DATE OF SURVEY May 4, 1979 SUMMARY AND CONCLUSIONS Good judgement and proper housekeeping techniques by insulators kept the exposure to asbestos fibers at a minimum. The job was wet down with a water hose and dismantled with the minimum amount of cutting. Mr. R. Raines and Mr. E. Davis were involved with the work. Mr. Raines did the actual stripping and wore a 3M disposable dust mask and gloves. The stripped material was bagged and labelled for landfill. The exposure was well below the TWA of 2 fibers/cc and a ceil ing value of 10 fibers/cc. RESULTS Location Bldg. 720, South Pit Personnel R. Raines Sampling Time-Min, 50/.8 LPM Exposure Fibers/cc >5 pm. 0.51 UCC 024423 2 5/10/79 REFERENCES Volume 38C-29X4-Rla Asbestos Dust Determination By Membrane Filter Technique Using Phase Contrast Microscopy REPORT PREPARED BY G. W. Bott Technical Center Industrial Hygiene Department APPROVED BY GWB/sc UCC 024424