Document vBqak6bRe7L9gz9DjbXnD3brq

Location On person of PVC extrusion machine operator. Vinyl Chloride Monomer UhlOH CARBIDE CORPORATION Film*-Packaging Division Centerville, Iowa October 31, 1974 Vinyl Chloride ppm* #5 --- N.D.** On person of PVC extrusion machine operator. #6 -- N.D. Remarks Personal sample, 10/31, A.M., 3 hours. FVC being extruded at Extrusion Mahhines No. 2, 5 and 6. Same visible vapors being evolved. Personal sample, 10/31, P.M., 3 hours. Same conditions as above. The current OSHA standard for vinyl chloride monomer in workroom air is 50 parts per million, (by volume) This is a ceiling value, not to be exceeded, but is scheduled to be replaced An January 1, 1975, by an 8-hour time-weighted average concentration of 1 ppm. The "N. D." means none detected, and far the volume sampled, this equal* less than 0.1 ppm. ucc 067798