5 results for “Reaction Department”
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Company document · Motley 1000 · May 31, 1944
Leroy U. Gardner to U. E. Bowes on Animal Tests of Hydrous Calcium Silicate (1944)
…asked for a full study (Bowes, November 21, 1944). In Johns-Manville's index Johns-Manville's legal department indexed the Motley 1,000 in 1984. Its index describes this document as follows: Dr. L.U…
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Company document · Motley 1000 · March 12, 1943
Leroy U. Gardner to U. E. Bowes on Asbestos in the Synthetic Insulation (1943)
…Saranac's first reaction was to call it a likely hazard. The animal studies Gardner proposed here led to the findings of 1948. In Johns-Manville's index Johns-Manville's legal department indexed the Motley…
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Company document · JM Knowledge Chronology · December 14, 1939
Leroy Gardner, Interim Report on Experimental Asbestosis at the Saranac Laboratory (1939)
…The experiments had set out to reproduce advanced asbestosis in animals, but guinea pigs breathing very finely ground Canadian chrysotile for 30 months showed little reaction, while a second group breathing longer fibres began to develop…
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Company document · Sumner Simpson Papers · April 18, 1938
Leroy U. Gardner, Second Progress Report on Experimental Asbestosis (1938)
…rabbits, white rats and a cat showed no fibrosis and only "the very earliest stages of asbestosis"; much less reaction than an earlier experiment with coarser dust at a tenth or less of the concentration. Dr…
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Company document · JM Knowledge Chronology · February 28, 1944
Leroy Gardner to Ivan Sabourin on Asbestosis and Tuberculosis (1944)
…over 80%." He calls these "excessive amounts of severe asbestosis." He also writes that the dust reaction in Quebec "is very much less than it is in the fabricating plants in the United States." The letter…