Document Ev6z677NN66N5p322GZVRza5V

* Interoffice Communication From Date Subject A. F. Gallagher Donnie Haynie May 13, 1974 VCM SURVEY; VCM EXPOUSRE AT THE RESIN HOOK-UP STATION The MED analyzer was used to monitor the resin hook-tip station at the resin silos. The results of testing follow. T 1. Over a 2 hour and 40 minute period, the average VCM exposure was 33 ppm. 2. The maximum VCM concentration was 50 ppm. *I ip 3. The sample point was set at face level. m b 4. This'sample point was in the open atmosphere around the hook up station. Recommendations 1. From the data collected, a fresh air mask should be worn at the above mentioned hook-up station. * 2. A fresh air mask should be worn when hooking-up resin transfer lines. AL. Donnie Haynie Process Engineer cc: EMS, GWP, RWS, RJF J A 4 I i j 4 i mmmm * .................................................................................................................. VAB.000I039910 : tarn