Document B8vxK7DvBwoe1yxO3qkqvxN1X

(con o) Interoffice Communication To From C.L. Whetstone, M.D. Oran D. Stef fey Date January 27, 1981 Subject INDUSTRIAL HYGIENE ACTIVITIES - JANUARY 1981 In the process of surveying the Ponca City Refinery relative to the activities of a contract radiographer, the Oklahoma State Department of Health Radiological section reported elevated radiation instrument readings associated with blasting sand in the shop areas. We requested that radio chemical analyses be made on the sand to determine how much and what kind of activity might be present. Mr. Rick Johnson, Lake Charles LAB project, called requesting aid in future licensing for radioactive sources to be used in the new plant, which is now under construction. We will aid in the licensing and in phe health physics until a person is trained to function in this capacity. A meeting of The Toxicity Advisory Committee was attended January 7, 1981, The purpose was to consider any potential hazards which might be associated with TNF as used in the IBM-3800 Printers, which are to be used by the Ponca City Computer Department. Dr. James Wittmer was supplied information relative to the question of the counteracting ability of milk on zinc fumes in the welding, industry The following areas of the updating of Medical Procedures Guide were written for consideration: Medical Examinations - Periodic Exams - Hazardous Exposur es Medica-l Fitness Standards - Hazardous Exposure Exams Mr. Dick Winstanley, Overbrook, Illinois, was supplied toxicological information relative to the substance Chromium Trioxide, Precautions, proper handling and protective clothing recommendations were made. Oran D. Steffey Industrial Hygienist ck MCD 000000614