Document 99rYXrr0vpBR6xnLr2VB16Okq

ui-ju; > m UTMUVfOBCJ E. I. du Pont de Nemours & Company IWCOOATI0 Haskell Laboratory for Toxicology and Industrial Medicine P.O. Box 50, Elkton Road ' Newark, Delaware 19711 CENTRAL RESEARCH AND DEVELOPMENT DEPARTMENT November 9, 1984 Joseph 2. Zdrok American Optical Company 14 Mechanic Street Southbridge, MA 01550 Dear Joseph: Du Pont has recently completed a study on the effectiveness of respirators against asbestos when they are properly used in the workplace. A copy of the report is attached for your information. Please contact me if you have any questions. Sincerely, SWD/tac Attachment A/, sCkfar-. Stephen Vi. Dixon Section Supervisor Industrial Hygiene * t\ i V DUP 0907354 SC-DP-07880