Document bBp96qk88z69xz4OXnYEZv2VZ

Interoffice Communication To From A. H. Sather J. v. Uptain Date December 12,1980 Subject VCM DOSIMETRY - NOVEMBER, 198O conoco Following are the results of VCM dosimetry for November. 77 samples were taken, four (A) of which were exposures. Range, ppm Number Percen 0.0-0.5 0.5-1.0 1.0-5.0 5.0+ 70 90.9 3 3.9 1 1-3 3 3.9 77 100.0 Details of the overexposures appear in Table I (attached). Jerald V. Uptain c: CLM, CRM, PEM, JRMC, SJV, JLC, RAF, RDJ, TBD J. J. Hall - Houston 0. D. Steffey - Ponca City Attachments (3) VAB.0001041310 TABLE I VCM OVEREXPOSURES DURING NOVEMBER, I98O Job Classification 8-Hour TWA Overexposure, ppm Cause Vinyl Operator Vinyl Operator Vinyl Operator Maintenance Mechanic 11.6* 1.3 19.1 19.3 Changing filters in VCM filter pack. Specific cause not yet determined. Performing Firewatch work in the New Reactor Area. Insulating lines in reactor areas. Specific cause not yet determined. * Respiratory protection worn -ii' l*i s ,h : i+'l---'r -r \ m VAB.0001041311 .|P;| lm- ................................................. ' . I -