Document zdYBbwV1bQd78w5mMbbRp7jZ7

FILE NAME Keene KNE DATE 0000 DOC KNE002 DOCUMENT DESCRIPTION Barry Castleman Notes for His Book ao Insert p 430 KEENE CORPORATION Ehret Magnesia Baldwin Baldwin 1 Insulation manufacturers Ehret Magnesia and merged to form Paldwin which in turn Baldwin was taken over by Keene Corporation in 1968 In 1930 Ehret ran monthly advertisements in Asbestos magazine on the inside back cover In the March issue there was also an article on pulmonary asbestosis The company hired a sales clerk in 1936 named Dwight Satterthwaite and within one month he learned that asbestos was a In Re All Asbestos dangerous Deposition of Cases C.P. 77-1 U.S. Dist D.L. Satterthwaite Court E Dist VA Aug. 29 1983 In 1952 Ehret Magnesia hired chemist John D. McAllister who had worked for Illinois to develop a calcium silicate insulation product Employees in the pilot plant set up in the 1950s were required to wear respirators and dust control equipment was used in the process When the process was expanded and a commercial scale plant built McAllister examined respirators on the market and bought enough to make them available plant Around this time the company's insurer conducted air sampling in the plant In the late 1950s McAllister recalls that there was considerable discussion over the deaths of three Ehret workers from lung cancer and nonmalignant lung conditions of J D. McAllister same case as Satterthwaise deposition Baldwin patents in the 1950s stressed that insulations whose use m@ health entailed hazard a minimum of These patents dusting would have Practically inded " also demonstrated that mineral wool could be used instead of asbestos Patent No. 2,633,433 granted in 1953 and No. 2,732,295 granted in 1956 KEENE CORPORATION --Ehret Magnesia ad in ASBESTOS March 1930 --Baldwin patent noting low dusting capability with almost no industrial health hazard -- McAllister McAlister McAl ister McAllisMcAlistterer McAllister was chemist heed heed from from On in dangerousdust dangerousdust dangerousdust dangerousdust dangerousdust dangerousdust finishing " " 2 * finishing finishing finishing operation operation collection operation pren ( of 195 of a mfgr mfgr and and respirator pust operation operation operation operation distane living living living distane 3 living living living distane distane distane distane victimes 145 victimes victimevisctimes victimes 1956 victvictiimes mes we we we Expect u accuapaccupa accupa aaccupaccupa accupa u accupa ional ional