4 results for “Reaction 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 · 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 · 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…
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Government report · JM Knowledge Chronology · March 24, 1930
E. R. A. Merewether and C. W. Price, Report on Effects of Asbestos Dust on the Lungs (1930)
…s description says the report was dismissed by American industry because it rested on amosite rather than chrysotile exposure. The report says nothing about any American reaction, and it found no difference in effect among chrysotile…