Mining Incidents

Keystone Cement Company: 1 recorded fatality operator

Controlled by Giant Group Ltd
MSHA operator ID: L07883

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Fatalities
1
Total incidents
152
Mines on record
1
Years on record
1983–1994

Top causes

Incident timeline

1994
25
1993
49
1992
22
1991
19 (1f)
1990
6
1989
10
1988
5
1987
1
1986
3
1985
5
1984
4
1983
3

Mines on record

Fatalities under this operator

1 recorded
June 27, 1991 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Keystone Cement Company · Struck against a moving object

DRIVER WAS DUMPING LOAD OF SHOT ROCK ON STOCKPILE. EMPLOYEE FAILED TO OBSERVE UNDERCUT STOCKPILE. STOCKPILE MOVED AS EMPLOYEE WAS DUMPING. TRUCK FLIPPED OVER BACKWARDS LANDING ON ITS BED AT THE BASE OF THE STOCKPILE. DRIVER ALSO FAILED TO USE SEAT BELT AS INSTRUCTED. MAN DIED 7-8-91.

For insurers, brokers, and safety consultants

Where Keystone Cement Company 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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