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Technical Services Center R.A. Peterson Director D.E. Holt Engineering Manager J.B. Richardson Environmental Sciences Manager M.G. King Research Manager Ms. Peggy Munsell EL PASO PLANT RECEIVED M I 2 '955 P. MUNSELL January 6, 1995 Please find attached the fiber counts for eight industrial hygiene samples dated 12/8/94 and received by the laboratory on December 22, 1994. These samples were analyzed in accordance with NIOSH Method 7400. JCH Attach. cc: TEMartin . (w/attach.) JBRichardson " GRStanga " Jodie Haynes Laboratory Administrative Assistant ASARCO Incorporated 3422 South 700 West. Salt Lake City. Utah 84119-4191 (801) 262-2459 FAX (801) 261-2194 ASARCO ELP OQ152d2 J :: .'i : :.-1- ASARCO ELP 0015243 Sample Location ASARCO Inc. EL PASO Stationary Sampler Results (For Company Use Only) 1994 Date # of .(Time) Min. Analysis Cone'n Foot(fi/cc) notes 6-7 BLOWERS CALCULATED TWA EXPOSURE N-BASEMENT CALCULATED TWA EXPOSURE S-BASEMENT CALCULATED TWA EXPOSURE STORAGE (CHEMICAL) CALCULATED TWA EXPOSURE Power House 12/ 8 730 510 12/ 8 480 12/ 8 738 502 12/ 8 480 12/ 8 744 496 12/ 8 480 12/ 8 749 491 12/ 8 480 ASB ASB ASB ASB ASB ASB ASB ASB <0.0026 <0.0028 <0.0027 <0.0028 <0.0027 <0.0028 <0.0027 <0.0028 Element ASB(asbestos) as ASB 05HA Limits (in mg/m3 except as noted) Permissible Exposure Level Action Level Short Term Exposure Level 0.2 fibers/cc 0.1 fibers/cc 1.0 fibers/cc Ceiling ASARCO ELP OOI 5244- Date of Posting Department Power House ASARCO INC. EL PASO OSHA Asbestos Standard Personal Monitor Sampling Results (Posting Form) Area of Posting: POWER HOUSE Job Classification Shift Sample Date Exposure (fi/cc) Power House Operator D D 12/ 8/94 12/ 8/94 ASB .010 ASB .045 ASARCO ELP 001524-5 ASARCO Inc. EL PASO Personal Monitor Sampling Results (For Company Use Only) 1994 Sampling Name Job Title Date (S. S. Number) (Resp. Type) (Shift) (# Min) Analysis Cone'n Foot(fi/cc) notes Power House Power House Operator 12/ 8 1 D 450 CALCULATED TWA EXPOSURE 12/ 8 480 Power House Operator 12/ 8 1 D 450 CALCULATED TWA EXPOSURE 12/ 8 480 ASB ASB ASB ASB 0.011 0.01 0.047 0.044 Element ASB(asbestos) as ASB OSHA Limits (in mg/m3 except as noted) Permissible Exposure Level Action Level Short Term Exposure Level 0.2 fibers/cc 0.1 fibers/cc 1.0 fibers/cc Ceiling ASARCO ELP 0015246