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Greenbrier Minerals, LLC: 3 recorded fatalities operator

Controlled by Coronado Coal LLC
MSHA operator ID: 0129274

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Email me when a new MSHA incident is filed at any Greenbrier Minerals, LLC mine.

Fatalities
3
Total incidents
443
Mines on record
16
Years on record
2013–2026
Compliance record
MSHA citations since 2013
9,189
citations
1,760
significant & substantial
$5,488,028
proposed penalties
$4,055,969
paid to date
74% of proposed penalties paid to date, a $1,432,059 gap.
Source: MSHA violations data, updated weekly.
Labor enforcement (WHD)
US Labor Department wage findings since 2019
5
labor cases
$85,978
back wages owed
540
employees affected
Violation types
Wage & hour (FLSA) (5)
Source: US DOL Wage and Hour Division enforcement records, matched by employer name and state.
Inspection activity
MSHA inspections since 2013
1,522
inspections on record
109,935
inspection hours
8.4
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.
9,189 citations across 109,935 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.
$5.5M
proposed penalties
$4.2M
current assessed
$4.1M
paid to date
$186K
outstanding
8,595 assessments are final orders; 417 contested dockets.
Of $3.4M in penalties contested before the Commission, $2.1M was upheld in final decisions.
As of the most recent assessment on 2026-06-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘ Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
19.6%
significant & substantial
1.8%
high negligence or reckless
19.7%
reasonably likely or greater
27.2%
permanently disabling or fatal if injury occurs
Negligence coding: 0.3% none, 41.7% low, 56.2% moderate, 1.8% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Injury rate, 2025
ⓘ This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
1.78
total case rate
0.51
days-away rate
0.127
fatality rate
Below average. The US coal mining average was 3.19 and the all-US-mining average was 1.97 cases per 100 workers.
Year total case rate days-away fatal
2026 0.57 0.57 0.000
2025 1.78 0.51 0.127
2024 1.92 0.24 0.000
2023 1.70 0.13 0.000
2022 2.14 0.29 0.000
2021 2.17 0.58 0.000
2020 2.45 0.88 0.000
2019 2.77 1.28 0.000
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Health sampling
ⓘ 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
ⓘ 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.

Last sampled: 2026-05-28
99%
within 1.5 mg/m3
37,162
samples
11.81
dust max (mg/m3)
131
over MSHA ECV
ⓘ The excessive concentration value (ECV) is MSHA's own per-sample enforcement threshold, which builds in measurement uncertainty; a sample over its ECV can trigger a citation. The count covers only samples MSHA assigned an ECV.
5,729 samples taken by MSHA inspectors, 31,433 by the operator.
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR10,821
  • ROOF BOLTER (TWIN HEAD) (RETURN SIDE)8,663
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)7,112

Silica (quartz)

Last sampled: 2026-04-30
6.6
silica avg (%)
2,077
samples
55.1
silica max (%)
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR690
  • ROOF BOLTER (TWIN HEAD) (RETURN SIDE)500
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)362
See US coal mines ranked by silica in their dust samples.

Noise
ⓘ The share counts noise samples whose measured dose exceeded the 90 dBA permissible exposure limit. It describes the sampled workplace, not what reached the miner's ear: hearing conservation programs and the hearing protection worn during the shift are recorded separately and are not reflected here.

Last sampled: 2026-03-10
5%
over PEL
1,671
samples
Most-sampled occupations
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)317
  • CONTINUOUS MINER OPERATOR231
  • ROOF BOLTER (TWIN HEAD) (RETURN SIDE)190
See US mines ranked by noise samples over the legal limit.
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
When citations were contested
ⓘ Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
2,529 citations taken to the federal commission · 28% of citations on record
  • Settled 2,207 · 87%
  • Stood as issued 25 · 1%
  • Vacated or withdrawn 1 · 0%
  • Still open 296 · 12%
87%
S&S designation survived the contest
ⓘ Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 1,085 decided S&S contests · industry: 79%
37%
Penalty reduction in decided contests
$3.3M proposed, $2.1M after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2026-07-23. Vacated and withdrawn citations are removed from the file this view attributes through, so that outcome is slightly undercounted here.
Contested penalties
ⓘ A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this operator contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
WEVA 2025-0021 Settlement Paez 2024 $223K → $134K
WEVA 2017-0633 Settlement McCarthy 2018 $75K → $30K
WEVA 2017-0423 Settlement McCarthy 2017 $69K → $35K
WEVA 2015-0990 Settlement Feldman 2016 $61K → $31K
WEVA 2018-0705 Settlement Bulluck 2019 $60K → $20K
WEVA 2019-0529 Settlement Lewis 2020 $54K → $24K
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.

Top causes

Incident timeline

2026
1
2025
19 (1f)
2024
22
2023
37
2022
25
2021
22
2020
21
2019
41
2018
41
2017
51 (1f)
2016
45 (1f)
2015
74
2014
35
2013
9

Mines on record

Fatalities under this operator

3 recorded
December 18, 2025 WV · Coal master mechanic, foreman, supervisor Fatality · POWERED HAULAGE
Greenbrier Minerals, LLC · Struck by powered moving object

The employee stepped out of manhole and onto the slope and was struck by a slope tractor traveling down the slope.

February 3, 2017 WV · Coal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver Fatality · POWERED HAULAGE
Greenbrier Minerals, LLC · Fall from machine

Truck bed turned over while dumping after load failed to clear from bed. This caused the truck to tip up on passenger side tires-truck did not turn over or sustain any damage. Material was wet and damp and temp. was cold. Driver chose not to use bed treatment station provided by company. Trailer appeared to be loaded toward the front. Driver chose to jump from truck.

January 4, 2016 WV · Coal laborer, bull gang, parts runner, roustabout, roof trimmer/scaler Fatality · POWERED HAULAGE
Greenbrier Minerals, LLC · Caught in, under or between running or meshing objects

There were no witnesses to the event. Employee was found with right arm caught by the hold up roller of the remote discharge of the #1 conveyor. When found by crew members, employee was not responsive. Employee was transported to the surface when employee was pronounced deceased.

For insurers, brokers, and safety consultants

Where Greenbrier Minerals, LLC stands on silica, penalties, and injury rate

MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.

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