Mining Incidents

Keystone Aggregates Inc. operator

MSHA operator ID: L17322
Fatalities
0
Total incidents
2
Mines on record
1
Years on record
2003–2007
Compliance record
MSHA citations since 2000
75
citations
21
significant & substantial
$13,596
proposed penalties
$13,596
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
49
inspections on record
634
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: 634 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$14K
proposed penalties
$14K
current assessed
$14K
paid to date
$0
outstanding
75 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-01-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2007
1
2003
1

Mines on record

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The full compliance file on Keystone Aggregates 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.