5 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 · April 9, 1948
Johns-Manville Correspondence on Describing Marinite to the American Medical Association (1948)
…no soluble or insoluble toxic materials" and that J-M had never before met a case of allergic reaction to it. In Johns-Manville's chronology Johns-Manville's own chronology of what the company knew…
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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 · October 12, 1944
Vandiver Brown Memorandum on Dust Problems Discussed with Leroy Gardner (1944)
…absurd". Gardner objected to the word "poison" being applied to asbestos dust, because the injury produced by asbestos is caused by a mechanical irritation rather than by chemical reaction. Also on 10/12/44, V. Brown…
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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…