An unplanned non-injury roof fall occurred above anchorage on the MMU 001 section in the number 4 entry in-by spad #319. The fall approximately measured 8'high by 20'wide and 30'long.
Triad Poca 4 Seam Deep Mine Coal
Triad Poca 4 Seam Deep Mine has $109K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 3
- Years on record
- 2022
- Latest incident
- May 2022
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Triad Poca 4 Seam Deep Mine has $109K in proposed MSHA penalties and $0 outstanding across 3 contested dockets.
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Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.MSHA sampling at Triad Poca 4 Seam Deep Mine shows respirable coal dust averaging 0.52 mg/m3 (100% compliant) across 329 samples.
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A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.ⓘ
Respirable coal dust and silica figures cover coal facilities. Dust compliance is measured against the current 1.5 mg/m3 standard; samples predating the 2014 standard are included, so compliance rates are a coarse historical signal.ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2022 Q4 | 3,268 | 0 | 0 | 0.0 |
| 2022 Q3 | 36,656 | 21 | 6 | 572.9 |
| 2022 Q2 | 34,166 | 24 | 5 | 702.5 |
| 2022 Q1 | 30,938 | 22 | 5 | 711.1 |
| 2021 Q4 | 23,440 | 19 | 5 | 810.6 |
| 2021 Q3 | 22,049 | 25 | 1 | 1133.8 |
| 2021 Q2 | 19,345 | 11 | 3 | 568.6 |
| 2021 Q1 | 16,957 | 26 | 2 | 1533.3 |
Reportable incidents
3 on file2022 · 3 incidents
Employee was installing roof bolts in the number two entry when a rock fell from the mine roof striking the employee on the head.
Employee was making a belt splice and was striking the end of the splice with a hammer when a piece of metal broke loose and struck EE in the arm.
The full compliance file on Triad Poca 4 Seam Deep Mine
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.