Document xjXw95wRqbpgjY1yDX3wzKDam

ABERDEEN CHEMICAL PLANT INDUSTRIAL HYGIENE MONTHLY REPORT 1. Routine Chemical Dosimetry All Sample Results: Chemical VCM Lead Total Particulates Month: June Date of Report: July 19, 1984 C PEL No. Jk PEL OVEREXPOSURES No. % 93 96 10 100 5 100 4 0 0 4 0 0 Overexposures Job Class Exposure Source Chief Operator 3.7*ppm, VCM Employee overexposed while blocking in a VCM transfer pump which had a blown seal. Lead Operator 4.8*ppm, VCM Employee overexposed while pumping "pond" resin. Rx Operator Mechanic 3.9*ppm, VCM 82.2*ppm, VCM Employee overexposed while changing VCM filter pak filters. Employee overexposed while removing the main VCM valve going to the recovery system in the new unit. * Respiratory protection was worn. ** Respiratory protection was not worn. Respiratory Protection 3M airhat battery charging was made more reliable when compound operations provided each airhat wall case with an internal 110V electrical outlet and battery charger. Dosimetry Equipment The lab evaluation of the passive monitor marketed by GMD Systems, Inc. was completed during June. Future use of the device will be reconciled following issue of the report on the evaluation July. VAB.0001215684