Document YZQ9vNDoO7amdQBqQ7YOwpqO

Robert L. Lembks, M.D Oran D. Staffay April 23, 1977 INDUSTRIAL HYGIENE ACTIVITIES - APRIL, 1977 Aa a member of tha Raaaareh and Development Iaotopa Committee, reviews war* made for four proposals for usa of radloactlva materials. All four vara found to ba aafa and with no haalth problems and wars signed as approved. A rathar datallad review waa hald with Mr. B. J. Willlass, R & D Radiation Safaty Offloor, regarding contracted radiotracer Jobs proposed for Production In California. Many relative questions hare to do with tha Integrity of knowledge of the contracting company in the various areas of radiological haalth and safaty and tha assunad responslbllltlaa after any Initial Injection of active materials. Both tha Lake Charles Refinery and tha Chemical Plant were advised of radioactive materlale leak teat due dates. These tests are required on tha Cobalt-60 sources and radium sources used by tha refinery and the Plutonium-238 sources uaed by the Chemical Plant at Lake Charles* Tine was spent in talking to employees who work at the Transportation Rail Tank Car Repair Shop concerning the tonicity of a number of materlale and the proper handling. Industrial hygiene, end safety practices which should be followed* Tripe were made to the Billings and Denver refineries during the week of April 4, 1977, and to tha Lake Charles Refinery on April/!? and/67 1977, for the purpose of making Madleal/Xnduatrlal Hygltaa Inspections of these facilities. Aid has been given to Dr. Messed in reviewing the potential medical needs for Consolidation Coal Mining Research In the use of radioactive sources. A survey sheet will be issued to the various locations which will be uaed to supply information needed to make valid judgments for those erase of operation. Discussion has been held with Mr. W. Dean Leslie, R 6 D Department, relative to medical surveillance of aome of tha research personnel who era potentially exposed to vinyl chloride. A copy of the vinyl chloride standard wee sent to his office end specific areas were pointed out In the standard which have to do with triggering medical sorvelllanca and monitoring. Aid was given Mr. J. Upteln, Aberdeen Chemical Plant, in regard to an emergency situation where hydrogen sulfide wee present In e laboratory. MCD 000000707 Robert L. Leabkw, April 23, 1977 Page Two .D. The condition hed been created by e laboratory worker pouring aulfurlc aeld down a sink drain allowing reaction within the plumbing and evolution of H28 Into the laboratory and adjacent Attention has been brought to an^excessive number of medical cases dealing with hydrogen fluoride exposures for employees in the Ponca City Refinery. Mr. 0. R. Barrasl has been made aware of this condition and eld has been offered for whatever corrective measures might be needed to solve the problem. Oran D. Steffey Industrial Hygienist rla MCD 000000708