Document x12xoqX6b82NqrBjJV6LEqBQ0

June 1, 1964 Mr. Chari* J. DeSimone Senior Industrial Hygienist Special Health Services Pratt * Whitney Aircraft East Hartford, Conn. 06100 Dear Chariest In reply to your letter of May 20, 1964 there are enclosed two copies of a publication by Dr. Treon at Kettering Laboratories Indicating the results of chronic vapor Inhalation studies with Aroclor 1242. In rang* finding toxicity studies the acute oral LDcq In rata was found to be approximately 0.6 g/kg ofbody weight. The minimum lethal dose when applied to the skin of rabbits was approximately 1 g/kg. it is not unusual to find the rabbit more sensitive to this type of compound than rats. Based on the animal toxicity data and experience during manufacture and handling, our label for this product reads as follows: Caution] Contains chlorinated hydrocarbons. Avoid contaot with eyes or prolonged contact with skin. If skin contact occurs, remove by washing with soap and water. Following eye contaot flush with water. If clothing becomes soaked with fluid, launder before wearing again.'' If I can be of any further assistance, please do not hesitate to let me know. Very truly yours. EFWimJb Elmer P. Wheeler, Manager Environmental Health Medical Department DSW 018282 STLCOPCB4004826