Document 6beno9yXzg25dOxd1OQjnnrG4

'Safety a Claims* service. Inc, 7S wur JACKSON 1LVO. CHICAGO A. ILLINOIS Tnwwqm NAHMiaON 7>OSOS September 4, 1952 Mr. Hebert Z. Cryor, Vice President Union Asbestos &. Subber Company 3?2 Soutii Michigan Avenue Chicago 4, Illinois NOTE: THIS n??V^FMT Dear Bob: Ni'J Confirming our today's conversation, I understand 70U are both acreeable* and anxious to send Dr. Vorwald serial x-ray pictures of individual asbestos textile wo risers v.ho are old timers as r"g^rd exoosure to asbestos and whose current x-ray is either negative or onl7 slightly positive. VTorb history of the individual should accenpany each set of picture The worb history should include the length of exposure, the typ of exposure, etc*, weight histories are sot necessary. If ecy of the employees were at any tine renoved froc exposure, please give the renovel dates as this ney be a help in the trebles of determining whether asbestosis proge3ses after the exposure to the asbestos ceases. I understand that you will asb Mr. Hayes and Dr. Cowen to review the worb histories and x-rays of both present and past employees at the Cicero Plant with the above in mind. Thanking you for your cooperation, 1 am Very truly yours. THIS DOCUMENT WAS NOT A RECORD 1 PPG INDUSTRIES, INC. DID NOT COME FRC IT'S FILES AND CANNOT BE AUTHENT1CATI BY PPG INDUSTRIES. INC. WSHtlJ cc/Dr. A. J. Vorwald Trudeau Toundation Saranac Labe, Hew Iorb BB 0024076 |