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• Decade: 1950s ×
• Written by: W. Clark Cooper ×
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1 result for “Reaction Department”

1. Government report · JM Knowledge Chronology · 1958

   W. Clark Cooper and Lewis J. Cralley, Pneumoconiosis in Diatomite Mining and Processing (1958)

   …hazard associated with marine or fresh water diatomite; (e) Fewer than 9% of all employees in the diatomite industry surveyed had X-ray evidence of pulmonary reaction to inhaled diatomaceous earth; (f) In working areas where…