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1
Re-issue P01-05 reporting "sampling start time" on redesigned dust data card.
“…United States. Mine Safety and Health Administration…”
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2
Re-issue of P04-15 transmission of respirable dust samples by mine operators and correction of dust data card information.
“…United States. Mine Safety and Health Administration…”
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3
Re-issue of P07-20 change to respirable dust data card-addition of pre-weight date.
“…United States. Mine Safety and Health Administration…”
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4
Change to respirable coal mine dust enforcement program
“…United States. Mine Safety and Health Administration…”
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Government Document Online Book