Mining Incidents

Castle Valley Mining LLC: 1 recorded fatality operator

MSHA operator ID: 0112765

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Fatalities
1
Total incidents
67
Mines on record
3
Years on record
2011–2020
Compliance record
MSHA citations since 2011
1,139
citations
163
significant & substantial
$780,509
proposed penalties
$624,063
paid to date
80% of proposed penalties paid to date, a $156,446 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
160
inspections on record
18,044
inspection hours
6.3
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.
1,139 citations across 18,044 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.
$781K
proposed penalties
$634K
current assessed
$624K
paid to date
$10K
outstanding
1,127 assessments are final orders; 26 contested dockets.
Of $449K in penalties contested before the Commission, $301K was upheld in final decisions.
As of the most recent assessment on 2020-08-04.
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.
14.5%
significant & substantial
8.0%
high negligence or reckless
14.6%
reasonably likely or greater
10.6%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 5.1% low, 86.9% moderate, 7.8% high, 0.2% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Injury rate, 2020
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.
3.12
total case rate
3.12
days-away rate
0.000
fatality rate
About average. The US coal mining average was 3.19 and the all-US-mining average was 2.08 cases per 100 workers.
Year total case rate days-away fatal
2020 3.12 3.12 0.000
2019 2.92 1.46 0.000
2018 6.24 4.16 0.000
2017 5.07 5.07 0.000
2016 6.13 3.83 0.000
2015 6.23 1.38 0.000
2014 2.12 0.00 0.000
2013 10.20 6.80 0.850
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: 2020-09-09, 5 years ago
96%
within 1.5 mg/m3
3,073
samples
5.98
dust max (mg/m3)
29
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.
911 samples taken by MSHA inspectors, 2,162 by the operator.
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR1,274
  • ROOF BOLTER (TWIN HEAD) (RETURN SIDE)458
  • CONTINUOUS MINER HELPER206

Silica (quartz)

Last sampled: 2020-08-17, 6 years ago
5.4
silica avg (%)
190
samples
33.6
silica max (%)
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR97
  • ROOF BOLTER (TWIN HEAD) (RETURN SIDE)28
  • BELT MAN/CONVEYOR MAN16

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: 2020-07-27, 6 years ago
2%
over PEL
370
samples
Most-sampled occupations
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)39
  • UTILITY MAN37
  • CONTINUOUS MINER OPERATOR32
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.
33 citations taken to the federal commission · 3% of citations on record
  • Settled 32 · 97%
  • Stood as issued 1 · 3%
86%
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 21 decided S&S contests · industry: 79%
33%
Penalty reduction in decided contests
$448K proposed, $301K 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 2019-09-18. 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
WEST 2014-0744 Settlement Manning 2015 $148K → $100K
WEST 2014-0868 Settlement Manning 2015 $122K → $95K
WEST 2014-0801 Settlement Manning 2014 $52K → $30K
WEST 2015-0364 Settlement Gill 2015 $30K → $22K
WEST 2014-0348 Settlement Manning 2015 $30K → $5K
WEST 2014-0715 Settlement Manning 2014 $17K → $10K
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.

Top causes

Incident timeline

2020
3
2019
5
2018
10
2017
8
2016
8
2015
10
2014
3
2013
12 (1f)
2012
2
2011
6

Mines on record

Fatalities under this operator

1 recorded
March 22, 2013 UT · Coal continuous miner operator, coal mole operator Fatality · FALL OF ROOF OR BACK
Castle Valley Mining LLC · Struck by falling object

The Continuous Miner had started into a left hand turn on the second lift off the pillar. A roof fall approx. 22'x25' ranging in thickness from 12" to 22" occurred, striking the employee, causing fatal crushing injuries.

For insurers, brokers, and safety consultants

Where Castle Valley Mining 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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