Imerys Refractory Minerals USA Inc. operator
Controlled by
Imerys S A
MSHA operator ID: 0171753
- Fatalities
- 0
- Total incidents
- 3
- Mines on record
- 2
- Years on record
- 2023–2025
Compliance record
MSHA citations since 2021
86
citations
12
significant & substantial
$28,858
proposed penalties
$28,858
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2020
58
inspections on record
1,141
inspection hours
7.5
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.86 citations across 1,141 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.$29K
proposed penalties
$29K
current assessed
$29K
paid to date
$0
outstanding
85 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-02-19.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Top causes
- HANDLING OF MATERIALS 1 non-fatal
- HANDTOOLS (NONPOWERED) 1 non-fatal
- MACHINERY 1 non-fatal
Incident timeline
2025
1
2024
1
2023
1
Mines on record
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The full compliance file on Imerys Refractory 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.