Document OJ4yYg1jZqjEZ3qD6ZGZyggZp

ABD00313556 (conoco) Interoffice Communication To A. H. Sather From J. V. Uptain Date February 18,1980 Subject VCM DOSIMETRY - JANUARY, 1980 A Following are the results of VCM dosimetry during January, 1980. 85 samples were taken, two of which indicated overexposure. Range, PPM No. Samples % 0.0 - 0.5 0.5 - 1.0 1.0 - 5.0 5.0+ 81 95.30 2 2.35 2 2.35 0 0.00 85 100.00 One overexposure of 2.6 ppm was experienced by a Chief Operator in the Vinyl Area. No specific cause of the variance was determined. He was not wearing a respirator. The second overexposure, amounting to 1.5 ppm, occurred to another Chief Operator who was working in the VCM recovery system. He was wearing a respir- Attachments c: Plant Manager, Department Heads, J. J. Hall - Houston., 0. D. Steffey - Ponca