9 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 · WARD Documents · April 9, 1946
Benjamin Szymanski v. Johns-Manville Corporation, Medical Records, X-Ray Readings and Saranac Letters (1946)
…advised that he be removed from dust exposure which was not done." Gardner found a mix of dust reaction and infection he did not "know how to catalog," and said a thorough clinical study would be…
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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)
…in 1943, before any animal tests, and that Saranac's first reaction was to call it a likely hazard. The animal studies Gardner proposed here led to the findings of 1948. The same letter, from another…
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Company document · Motley 1000 · February 27, 1937
Vandiver Brown to Sumner Simpson on Dr. Gardner's Asbestos Dust Experiments (1937–1940)
…reaction, while longer fibers caused significant changes in guinea pig lungs, and Gardner concluded that the irritation from asbestos was "not chemical but mechanical in nature." In Johns-Manville's index Johns-Manville's legal department…
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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 · Union Carbide documents · October 1932
National Safety Council, 1932 Transactions of the Twenty-First Annual Safety Congress, Excerpts with Papers on Mineral Dusts, Asbestos and Silicosis (1932)
…Effects of Inhaled Mineral Dusts' Gardner, continued, on silicosis, asbestos dust and lung reaction; end of the paper and start of Bloomfield, 'The Dust Content of the Atmosphere in Various Dusty Industries' Bloomfield, continued: dust classes…
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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…
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Company document · Sumner Simpson Papers · September 23, 1937
Vandiver Brown to Sumner Simpson Enclosing Dr. Gardner's Report on Five Months of Asbestos Experiments (1937)
…He said the absence of fibrosis was expected this early, since in his earlier experiment the reaction had appeared only after eighteen months, and that "It is too soon to speculate as to the significance of…