Document MG4mbdOVwXD1KmaV8vzgmw7nL

iff'' De 11 Johnston Cleveland. Ohio April 1, 1963 Dr. Kenneth Burdick Department of Dermatology Cleveland Clinic 1010 East 93rd Street Cleveland, Ohio . .. Dear Doctor Burdick: I have been informed by our Cleveland office that the MidlandBoss Corporation 13 sending you a patient who has a dermatitis. As 1 understand it, this -employe Is exposed to cutting oils as well as to Pydraul F-9 and perhaps other chemicals. I do not IcnO'f'what the exposure to Pydraul F-9 would be unless it would be that occasion by filling a hydraulic system or changing dies. Pydraul F-9 Is not a primary skin irritant nor a sensitizer, Uo have patch tested it at full strength according to the Schwartz technique on ICO volunteers. There"were- no positive reactions. - Toxicity data are listed on page IS of the enclosed bulletin* If you have any further questions, please write me directly. . Very truly yours. R. Emmet Kelly, M. D. Medical Director PdSKisf .' Enclosure BC; Mr. MeIgun Midland-Boss Corporation Madison and West 106th Streets Cleveland, Ohio Mr o Arthur Chandler Midland-Ross Corporation ' -Madison and West lOoth Streets Cleveland, Ohio . .... . DSW 586362 STLCOPCB4091696