1 result for “General Electric”
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Company document · JM Knowledge Chronology · December 30, 1958
H. M. Jackson to All Industrial Relations Managers on Threshold Limit Values for Mixed Dusts (1958)
A one-page memo of December 30, 1958, from Johns-Manville's general headquarters to all industrial relations managers, by H. M. Jackson, manager of J-M's industrial health program, on applying the threshold limit…