Document 7MdkQ2w8ZjzQQXRN0La2rQ95R

' IMTF,RNAL CORRESPONDENCE FROM R. I. Cheng IN REPLY REFER TO RTC 77:90 TO H. T. Miller, Ph.D. date August 22, 1977 SUBJECT REPORTING CARCINOGENS AND TERATOGENS (REF. TO J.O.J, MEMO AL 70-01) Usage of carcinogens and teratogens were known at the following facilities: I. GENERAL ATOMIC COMPANY Arsenic trioxide - small quantity as reagent Asbestos - small quantity as filter aid and insulation Benzene - small quantity as laboratory reagent and solvent Benzidine - extremely small quantity as laboratory reagent Antimony trioxide - used as fire retardant in epoxy mixing Beryllium - small quantity under controlled usage Cadmium oxide - laboratory use or welding fume Chloroform - laboratory use Chromates of lead & zinc - possible laboratory use Dimethyl sulfate - laboratory use Hydrazine - used in small amount Thallium - used in significant quantity I. GQRAM - WEST COAST DIVISION (A) Santa Fe Springs Refinery Asbestos - old insulation Benzene - as normally known Others: compounds such as chloroform, chromates, etc. could be used in refinery laboratory. Cadmium oxide could be in welding operation (B) Industrial Asphalt Company Asbestos - extensive use at one location (OBAM), small use at R & D laboratory Others: benzene, chloroform, etc. could be used as reagent in R & D laboratory (C) Marketing Benzene - as normally known CUSAROSS 00020 Page 2 RTC 77:90 REPORTING CARCINOGENS AND TERATOGENS H. T. MILLER, Ph.D. (D) Okinawa Refinery Asbestos - in insulation Benzene - as normally known Cadmium oxide - in welding operation III. GOCHEM - CHINA GULF PLASTICS CO. Vinyl chloride - extensive exposures Benzene - extensive exposures Mercury - extensive exposures Chromate of lead & zinc - extensive exposures Cadmium oxide - Cadmium compounds are used extensively, but not being in oxide form, as plastic stabilizer IV* ^EM (A) Solvent Refined Coal Pilot Plant Benzene - in liquid streams Particulate Polycyclic aromatic hydrocarbons - extensive presence Asbestos - minor use as filter aid Others: Chloroform could be used as laboratory reagent (B) Exploration & Production Benzene - in crude oil RTC/ldc cc: J. A. Peterson, M.D. R. T. Cheng CUSAROSS 00021