Document DGpymmjDZna4jVVemjKvBBrmM

NATIONAL INSTITUTE FOR OCCUPATIONAL SAFETY f, IIL-M/Th Division of Field Studies 5 Clinical Investigations March 7, 1972 Plant "15 ww&jp' ABEX CORPORATION American Brakeblok Division Winchester, Virginia U.S.P.H.S. Survey February 7-11, 1972 Left-Right Paired Samples SAMPLE if LOCATION OR JOB * 1-Left . Wet Mixer 1-Right 2-Left Compound Operator 2-Right 3-Left Compound Operator 3-Right 4-Left Weigher 4-Right 5-Left Compound Operator S-Right 6-Left Strip Grinder 6-Right 7-Left Surface Grinder 7-Riglit 8-Left Strip Grinder 8-Right # COUNTS LONE ON SAMPLE MEAN j? MBSHS >5u/PIELD DIFFERENCE BETWEEN PAIRS IN MAN If FIBERS >5^/FIELD MEAN CONCENTRATION >\i FIBERSMl 4 4 .43 .50 .07 15 2 2 .28 .43 15 43 4 4 .81 .36 45 77 2 2 .95 .85 10 11 3 1.08 2 1.08 nn 2 2 1.65 1.20 .45 32 2 3 .75 .70 ;os /7 2 2 .70 .78 .08 ll .70 .87 .43 .64 1.54 .69 1.91 1.70 2.52 2.52 2.44 1.78 1.20 1.12 1.11 1.22 i