MINING ACTIVITIES WERE BEING CONDUCTED IN THE FACE OF THE NO. 1 ENTRY INBY AND ADJACENT TO THE OPEN CROSSCUT JUST DEVELOPED BETWEEN NO. 1 AND NO. 2 ENTRY THE LAST CUTIN THIS CROSSCUT WAS NOT B OLTED AND THE CROSSCUT OPENING IN THE NO. 1 ENTRY WAS NOT TIMBERED OFF. A ROOF FALL OCCURRED BEGINNING IN THE CORSSCUT AND EXTENDING OUT INTO THE NO. 1 ENTRY BETWEEN THE BOLTS WITH THE SECTIO
Richard T Hatfield et al: 1 recorded fatality controller
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Top causes
- FALL OF ROOF OR BACK 1 fatality · 15 non-fatal
- HANDLING OF MATERIALS 20 non-fatal
- POWERED HAULAGE 17 non-fatal
- MACHINERY 9 non-fatal
- SLIP OR FALL OF PERSON 9 non-fatal
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL 1 non-fatal
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Fatalities under this controller
1 recordedWhere Richard T Hatfield et al stands on silica, penalties, and injury rate
MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.
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