9 results for “Reaction Department”
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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 · May 10, 1937
A. J. Lanza to McConnell, Brown and Gardner on X-Rays of J-M's Lompoc Diatomaceous Earth Workers (1937)
…M employees were examined and a few were noted to have "an unusual type of shadow". Opinion expressed that a typical reaction of long-term employees suggests this dust (diatomaceous earth) might be potentially harmful. Dr…
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Company document · Sumner Simpson Papers · December 12, 1936
C. J. Stover to Sumner Simpson Thanking Him for His December 10 Letter (1936)
…Manheim "to bring myself up to date with ideas as to what a textile plant really ought to look like," asked for Simpson's reaction to his recent mailing about the Air Hygiene Foundation of America…
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Company document · Sumner Simpson Papers · December 18, 1936
George S. Fabel of Southern Asbestos to Sumner Simpson Sending Dr. Shull's Asbestosis Article (1936)
…E. Schluter's request "that you can get Dr. Gardner's reaction for the benefit of our industry." Shull, he wrote, "is usually found supporting the employees," and "Many of the employees referred to in the…
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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 · 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…
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Company document · JM Knowledge Chronology · February 14, 1935
Vandiver Brown's Memorandum on the Illinois Dust Situation: Legislative and Legal Aspects (1935)
…etc. This meant that the definition included pneumoconiosis, since the current thinking is that this injury is caused by a chemical or toxic reaction rather than a physical one. As a consequence of this ruling, insurance…