Document rp8aa5jjpNVeLvZXey4BrxjVr

J Technical Services Center R.A. Peterson Director D.E. Holt Engineering Manager J.B. Richardson Environmental Sciences Manager M.G. King Research Manager June 1, 1995 EP.12.6 Ms. Peggy Munsell EL PASO PLANT Please find attached the fiber counts for the industrial hygiene sample dated March 30, 1995. Please note, cassette #R-53 collected May 12, 1995 for Mike Romero Jr. was not analyzed due to filter damage. These samples were analyzed in accordance with NIOSH 7400 method, fourth revision, (8/94). JCH Attach. cc: TEMartin (w/attach.) SGCothrin " GRStanga " Jodie Haynes Laboratory Technician ASARCO Incorporated 3422 South 700 West. Salt Lake City, Utah 84119-4191 (801) 262-2459 FAX (801) 261-2194 fI-V1 4* ASARCO ELP 0015259 ASARCO Inc. EL PASO Personal Monitor Sampling Results (For Company Use Only) 1995 Sampling Name Job Title Date (S. S. Number) (Resp. Type) (Shift).(# Min) Analysis Cone'n Foot(fi/cc) notes Mechanical\Maint. Insulator 1 CALCULATED TWA EXPOSURE 3/30 D 320 3/30 480 ASB ASB 0.0092 0.0061 Element ASB(asbestos) as ASB OSHA Limits (in mg/m3 except as noted) Permissible Exposure Level Action Level Short Term Exposure Level 0.1 fibers/cc 0.1 fibers/cc 1.0 fibers/cc Ceiling ASARCO ELP 0015260 Oi < Z< ASARCO ELP 0015261 ASARCO TECHNICAL SERVICES CENTER Approved