Document kmVX9R1gNMjq3yJdpyppea42b

E. I. ou Pont be Nemours & Company PIGMENTS OCPAffTMKNT Inorganic Fibers Division K... 3n:r;-rirn:er.;3 A. riaoKa-Ieja., PLAINTIFF'S Experimental 5cation May 13, 1975 J. A. ZAPP, JR. CENTRAL RESEARCH & DEVELOPMENT DEPT. HASKELL LABORATORY CARLS0N-F0RJ3 LIMITED - PAPER ON INGESTION OP ASBESTOS Carlson-Ford Limited of Che U.K. are interested in FybexO for beverage filters and apparently feel that the hazards from ingesting, as distinct from inhaling asbestos and other short fibers, may have been over estimated. In previous correspondence, Mr. R. Shackleton, Managing Director, referred to an article published by the Medical Research Council of tha United Kingdom allegedly shoring no signs of cancsr in feeding studies with asbestos. I'm going to discuss tha FybexS business and* possibilities of licensing it with Mr. Shscklston in New York on Juns 13. In response to my request, Mr. Shackleton sent me s copy of paper referred to. Among the authors Is our old friend and devil's advocate. Dr. Paul Gross. May I have your commence on it before the June 13 meeting? I'd also spprst lacs the following information on asbestos to aid in answsring questions chat may arisa in tha discussion. 1) Is it true that there la no statistical differencs In incidence of lung cancer between nonsmoking asbestos workers and the rest of tha population? 2) Can yon give as a rough ratio of tha Incidence of lung cancsr of tha smoking asbestos worker compared to tbs --nlrlng notworkar? 3) Can you give me a rough ratio of the incidence of gaecrointasclnal cancsr of tha ssbsscos worker compared to the rase of the population? Ia there any sign of secondary cauaal affect hare, aa in tha case of smoking with lung >414 BCTTta thingi roe eCTTta uvino . , thnouon chcmutw DUP 0903542 DU 024918 asisMaM; J. A. Zapp, 13, 1975 i) la the incidence of aesocheliania acill almost peculiar co asbestos workers, and ia there any sign these cancers nay have metastasized from primary 3ites elsewhere or is it known they are caused by fibers which have migrated in the tissue co these sices? R. M. LOCKRING RML:ghh Enel. RECEIVED MAY 1 \ iy/3 HASKELL LABORATORY DUP 0903543 DU 024919