Document mwdJKrQd9zq8kgQ6X247QbG0

conoco Interoffice Communication to : A. H. Sather From l J. V. Uptain Date 1 November 11,1980 Subject * VCM DOSIMETRY - OCTOBER, 1980 Following are the results of VCM dosimetry for October. 85 samples were taken, six (6) of which were overexposures. Range, ppm 0.0-0.5 0.5-1.0 1.0-5.0 5.0+ Number 75 4 4 2 85 Percent 88.24 4.71 4.71 2.34 100.00 Details of the overexposures appear in Table I (attached). 4 ,i erald Uptain c: CLM, CRM, PEM, JRM, SJV, JLC, RAF, RDJ, TBD J. J. Hall - Houston 0. J. Steffey - Ponca City Attachment VAB.0001073472 TABLE I VCM OVEREXPOSURES DURING OCTOBER, 1980 Job Classification 8-Hour TWA Overexposure, ppm Cause Yard Operator 1.3* Hooking/unhooking VCM railcars. Maintenance Mechanic 2.0 Specific cause unknown. Vinyl Operator 1.4 Specific cause unknown. Maintenance Mechanic 1.6 Insulating lines beneath old reactors. Maintenance Mechanic 5,6 * Replacing seal in recovery compressor t Maintenance Mechanic 32.2* Changing seal on vacuum pump in old reactor area. * Respirator worn during overexposure. * VAB.000107347*3 VCM DOSIMETRY TREND, BELOW 1 PPM -ABERDEEN- k o CTi CM CO VO CO CO UJ CO UJ CO tft 2 O co > O VO oO Z5 ^ uQr Cft I H Z0^Z ou *ua) oa: UJ >U eft CClj <Ixl u. ^u CO * iai & .*-.v VAB.0001073474 VCM DOSIMETRY TREND, BELOW.0.5 PPM 4 -ABERDEEN- VAB.0001073475