Document DvgeL5bBkRYe6X1aZa81V3ZLa

FILE NAME Corning OC DATE 1970 Nov 10 DOC OC374 DOCUMENT DESCRIPTION Memo RE Clarence Borel - Asbestosis R. L. Logan - 26 CLARENCE BOREL ~ ASBESTOSIS Jon L. Konzen M.D. November 10 1970 I have reviewed the King Sharfstein & November , 1970 below are Rienstra letter of my comments From data presented in the letter it is individual has 1 asbestosis and 2 reasonable that this was arrived at by the attending mesothelioma physician This diagnosis environment history physical by considering the operative findings laboratory data and pathological examination data post There are two items which I take is that the called asbestos exception to in this letter One of fibrosis Asbestos bodies or ferruginous ferruginous bodies is the cause exposed to fibrous simply indicate that a man has been substances In this case it is able to assume that these fibers were probably reason- Desothelioma appears to be asbestos The incidence of general population To higher in asbestos workers than in the ship between my knowledge there is not a direct asbestosis and mesothelioma relation- are related to excessive asbestos inhalatailotnhough both conditions The threshold limit values which to reasonable working conditions are merely guidelines with regard asbestos in some individuals do not preclude the development of not been exceeded even though the levels apparently have Practical experience has demonstrated have worked in the trade for that insulation workers who high concentrations of asbestoasmyfiybeearrs were frequently exposed to In summary Moma which If you have this individual appears to have would be related to his work enviasrboensmteonstis and any questions or comments please let me know Desothe- JLK mgm -.-+..- EXHIBIT Konzen Konzen 36 945/12/90 945/12/90 945/12/90 oO _ = 02 209 0617