Mining Incidents

Commercial Minerals Inc operator

Controlled by W Thomas Mackall et al
MSHA operator ID: P12567
Fatalities
0
Total incidents
9
Mines on record
2
Years on record
1983–1997
Compliance record
MSHA citations since 2026
2
citations
0
significant & substantial
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
2
inspections on record
41
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 41 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Top causes

Incident timeline

1997
1
1993
1
1991
3
1990
1
1989
1
1983
2

Mines on record

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The full compliance file on Commercial Minerals Inc

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.