Document KJvrwomko4KEyK4p2KbbZDaZN

10 February 1974 Pittsburgh-Coming Three Gateway Center Pittsburgh, PA 15222 Dear Sirs: A3 medical advisors' to the trustees of the Western States Asbestos Health Plan, we supervise a program of medical surveillance for members of the International Association of Heat and Frost Insulators and Asbestos Workers, jointly sponsored by the union and contractors. At the present time we are updating our review of the various products used by the trade from a health and safety standpoint. We xrould appreciate your sending us material safety data sheets and any other technical or medical information on your various products that are used by insulators. Thank you. Sincerely BT.K/cdh Barbara T.. Kawahara Industrial Hygienist