Mining Incidents

Polycor Inc controller

MSHA controller ID: M12431

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Email me when a new MSHA incident is filed at any mine Polycor Inc controls.

Fatalities
0
Total incidents
234
Mines on record
24
Years on record
2004–2026
Compliance record
MSHA citations since 2000
957
citations
265
significant & substantial
$761,470
proposed penalties
$521,849
paid to date
69% of proposed penalties paid to date, a $239,621 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
544
inspections on record
10,608
inspection hours
9.0
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.
957 citations across 10,608 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.
$761K
proposed penalties
$531K
current assessed
$522K
paid to date
$9K
outstanding
933 assessments are final orders; 22 contested dockets.
As of the most recent assessment on 2026-05-27.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
7
2025
20
2024
28
2023
17
2022
22
2021
24
2020
19
2019
23
2018
18
2017
14
2016
8
2015
4
2013
1
2011
1
2010
1
2009
4
2008
6
2006
8
2005
7
2004
1

Operators under this controller

Mines on record

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The full compliance file on Polycor 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.