Mining Incidents

Imerys Minerals USA, Inc. operator

Controlled by Platinum Equity LLC
MSHA operator ID: 0087764
Fatalities
0
Total incidents
6
Mines on record
2
Years on record
2009–2024
Compliance record
MSHA citations since 2008
143
citations
32
significant & substantial
$38,496
proposed penalties
$37,830
paid to date
98% of proposed penalties paid to date, a $666 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2008
86
inspections on record
1,258
inspection hours
11.4
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.
143 citations across 1,258 inspection hours.
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.
$38K
proposed penalties
$38K
current assessed
$38K
paid to date
$516
outstanding
143 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2024-11-06.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2024
1
2022
1
2017
1
2013
1
2012
1
2009
1

Mines on record

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The full compliance file on Imerys Minerals USA, 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.