Document KRyQpeLX6xEZg3amep41wkbG0

manufacturers survey form and the Panel1 9 activities. 0_r . Newburg-Rinn was pleased that the Panel was formed, and had several good suggestions relating to the survey. EPA requested that the respondents to the TDA Manufacturers Survey Questionnaire try to address: - detailed industrial hygiene practices; - engineering controls of TDAs as well as controls to minimize exposure to other chemicals which would also control TDA3; - information on procedures and exposure during the transfer and loading of TDAs, as well as clean-out of TDA equipment; and, - disposal efficiency. Vinyl Chloride Environmental Health Associates will conduct Phase I_ of an update epidemiology study of vinyl chloride exposed workers. Phase I is a preparatory phase inwhich the original study cohort of 10,173 individuals will be prepared for follow-up. Zinc Dialkyl Dithiophosphates (ZDDP) e The ZDDP Toxicology Research Task Group (TRTG) developed a protocol to investigate the possible role of stress in the production of testicular effects in ZDDP-exposed rabbits. The TRTG and ZDDP Program Panel will meet in April to select a contract laboratory for this phase' of the research. Other Activities Dr. Shah briefed the Occupational Safety and Health Committee Reproductive Hazards Work Group on CMA's activities on ethylene dibromide and ethylene dichloride. Dr. Shah participated in the work group's discussion on establishing a central repository at CMA on reproductive and teratogenic information on industrial chemicals. e On March 18, 1982, Dr. Shah made a presentation to the Chemical Regulations Advisory Committee regarding CMA's Chemical Specific Research and Advocacy Programs. CMA BD-4/6/82 CMA 012646