Mining Incidents

Union Oil Company Of California: 97 reportable incidents operator

Controlled by Unocal Corp
MSHA operator ID: L04883

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Fatalities
0
Total incidents
97
Mines on record
1
Years on record
1983–1991

Top causes

Incident timeline

1991
3
1990
14
1989
14
1988
30
1987
15
1986
9
1985
2
1984
4
1983
6

Mines on record

For insurers, brokers, and safety consultants

Where Union Oil Company Of California 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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