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Graham Robert R: 1 recorded fatality controller

MSHA controller ID: M09402

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Fatalities: 1
Total incidents: 1
Mines on record: 1
Years on record: 1987

Top causes

FALLING/SLIDING/ROLLING MATERIALS 1 fatality

Incident timeline

1987

1 (1f)

Operators under this controller

Grubstake Inc 1

Mines on record

Grubstake Incorporated AZ

Fatalities under this controller

1 recorded

December 4, 1987 AZ · Metal/Non-Metal ledgeman/hand, quarry man Fatality · FALLING/SLIDING/ROLLING MATERIALS

Grubstake Inc · Caught in, under or between collapsing material or buildings

EMPLOYEE WAS ON3TOP OF #3 STOPE-MUCK PILE, MOVING WATER HOSE, USED TO FREE UP STOPE, WHEN THE MUCK PILE GAVE WAY BENEATH HIM, DRAWING HIM INTO MUCK CHUTE.

For insurers, brokers, and safety consultants

Where Graham Robert R 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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