Mining Incidents

OnCore Processing LLC operator

MSHA operator ID: 0172813
Fatalities
0
Total incidents
15
Mines on record
8
Years on record
2022–2026
Compliance record
MSHA citations since 2021
167
citations
22
significant & substantial
$68,885
proposed penalties
$66,727
paid to date
97% of proposed penalties paid to date, a $2,158 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2021
98
inspections on record
1,302
inspection hours
12.8
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.
167 citations across 1,302 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.
$69K
proposed penalties
$69K
current assessed
$67K
paid to date
$2K
outstanding
156 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-05-20.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

Top causes

Incident timeline

2026
1
2025
4
2024
3
2023
3
2022
4

Mines on record

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The full compliance file on OnCore Processing LLC

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.