Coalburg Extension: 66 MSHA citations
Coal
Mammoth,
Kanawha County,
WV
·
Abandoned
MSHA Mine ID: 4609235
Coalburg Extension has $21K in proposed MSHA penalties and $4K outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 1
- Years on record
- 2008
- Latest incident
- May 2008
Compliance record
MSHA citations since 2007
29
significant & substantial
$20,650
proposed penalties
80% of proposed penalties paid to date, a $4,216 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
n/a
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.
Rate withheld: 463 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Coalburg Extension has $21K in proposed MSHA penalties and $4K outstanding across 0 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
64 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2008-12-29.
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.
45.3%
significant & substantial
15.6%
high negligence or reckless
45.3%
reasonably likely or greater
26.6%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 4.7% low, 79.7% moderate, 15.6% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
MSHA sampling at Coalburg Extension shows 92% of 37 respirable coal dust samples met the 1.5 mg/m3 standard.
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: 2009-01-29, 17 years ago
17 samples taken by MSHA inspectors, 20 by the operator.
Most-sampled occupations
- CONTINUOUS MINER OPERATOR23
- SHUTTLE CAR OPERATOR (STANDARD SIDE)5
- ROOF BOLTER (SINGLE HEAD)4
Silica (quartz)
Last sampled: 2008-11-10, 17 years ago
Most-sampled occupations
- CONTINUOUS MINER OPERATOR2
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: 2008-12-06, 17 years ago
Most-sampled occupations
- SHUTTLE CAR OPERATOR (STANDARD SIDE)3
- CONTINUOUS MINER OPERATOR2
- ROOF BOLTER (SINGLE HEAD)2
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
Health sampling trend
ⓘ
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 by year
ⓘ
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.
| Year |
within 1.5 mg/m3 |
samples |
| 2009 |
100% |
5 |
| 2008 |
91% |
32 |
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
Ownership history
-
Mammoth Coal Company
2007 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
ⓘ
Coal production is reported quarterly and lags the current period; the most recent quarters may be incomplete.
| Year |
Employees |
Coal produced (tons) |
| 2009 |
4 |
|
| 2008 |
34 |
107,343 |
Source: MSHA quarterly employment and production, updated weekly.
Coalburg Extension sits in Kanawha County, West Virginia, where the Census mining category is 1.9% of county employment.
Local economic context
ⓘ
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Kanawha County, West Virginia · Population 178,198
1.9%
Mining share of county employment
$58,887
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ
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.
Citations per million employee-hours, as reported to MSHA
| Quarter |
Hours worked |
Citations |
S&S |
Per 1M hrs |
| 2009 Q4 |
2,070 |
0 |
0 |
0.0 |
| 2009 Q3 |
2,070 |
0 |
0 |
0.0 |
| 2009 Q2 |
2,160 |
0 |
0 |
0.0 |
| 2009 Q1 |
2,070 |
0 |
0 |
0.0 |
| 2008 Q4 |
8,305 |
22 |
7 |
2649.0 |
| 2008 Q3 |
23,157 |
10 |
5 |
431.8 |
| 2008 Q2 |
17,453 |
18 |
4 |
1031.3 |
No fatalities recorded at this mine.
Reportable incidents
1 on file
2008 · 1 incident
Mammoth Coal Company · Accident type, without injuries
An unplanned roof fall occurred in the coalburg extension mine in the #3 entry. #3 brk at spad #242. No injuries were reported. The fall measured 50' long x 19' wide x 6' high. The area was developed on 5/2/08.