Document M79JNK3Ex7b40nmD8rzZ1Q2L

FILE NAME: DuPont Remington (DRM) DATE: 1971 Jan 19 DOC#: DRM004 DOCUMENT DESCRIPTION: Letter to Dr. J.A. Zapp, Jr. from M.W. Kordas, Jrv RE Toxicity of Primer RD-J9 REV. 6-58 REMINGTON ARMS COMPANY, INC. - INTER-DEPARTMENTAL CORRESPONDENCE ' Remington, ; <SJ> i .. ,CC: D. S. Foote Xj . J . SCOfcfc Bridgeport, Connecticut January 19, 1971 -It Dr. J. A. Zapp, Jr., Director Haskell Laboratory Employee Relations Department E. I. duPont de Nemours & Company Newark, Delaware Dear Dr. Zapp: In reference to the request made by L. J. Scott concerning : the toxicity of the primer in our rimfire ammunition, we have ; made the following analysis. Wgt. Percent Item 4 Tetracene (No lead) 33 Glass (No lead) 38 Polynol '(.042 gr. lead) 25 Lead Nitrate ((.039 gr. lead) There is approximately .08 grains of lead in one rimfire primer and the total weight of each primer is .25 grains. We have no analysis of the combustion products. We estimate the number of rounds that would be consumed in one activity period to be 250. The projectile is a friable composition of: Wgt, Percent Item 36 Asbestos 53 Wood fiber 7 Wax &, Butyl Rubber e V E D 1 Paraffin 3 Water cr r" JAN 21 1971 HASKLLL LABORATORY i DUP 0972734 j . : DRM0000163 ----We will be glad to furnish samples if required. If there are any further questions please contact me. Yours truly, MWK:cml M. W. Kordas, Jr., Supervisor Applied Research DUP 0972735 DRM0000164