Enterprise Mining Company, L. L. C. · Accident type, without injuries
Roof fall approximately 25' long x 25' wide x 7' thick in #3 entry at spad no. 761. Fall was dangered off and additional roof support has been installed in area.
Mine #4 Coal
Enterprise Mining Company, L. L. C.
· Underground
Controlled by
Alpha Natural Resources Holdings, Inc
Whitesburg,
Letcher County,
KY
·
Abandoned
MSHA Mine ID: 1518421
Mine #4 has $3K in proposed MSHA penalties and $884 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2005
- Latest incident
- Oct 2005
Compliance record
MSHA citations since 2004
32
citations
19
significant & substantial
$2,637
proposed penalties
$1,753
paid to date
66% of proposed penalties paid to date, a $884 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
32
inspections on record
713
inspection hours
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: 713 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Mine #4 has $3K in proposed MSHA penalties and $884 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.$3K
proposed penalties
$3K
current assessed
$2K
paid to date
$884
outstanding
32 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2006-01-19.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
MSHA sampling at Mine #4 shows respirable coal dust averaging 0.43 mg/m3 (98% compliant) across 120 samples.
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.0.43
dust avg (mg/m3)
1.88
dust max (mg/m3)
98%
within 1.5 mg/m3
120
samples
Most recent sample: 2006-01-20.
Silica (quartz)
4.1
silica avg (%)
7.8
silica max (%)
8
samples
Most recent sample: 2006-01-11.
Noise
6%
over PEL
16
samples
Most recent sample: 2006-01-05.
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
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 |
|---|---|---|---|---|
| 2006 Q2 | 0 | 0 | 0 | |
| 2006 Q1 | 20,368 | 3 | 2 | 147.3 |
| 2005 Q4 | 24,160 | 2 | 2 | 82.8 |
| 2005 Q3 | 25,608 | 4 | 3 | 156.2 |
| 2005 Q2 | 26,581 | 9 | 4 | 338.6 |
| 2005 Q1 | 26,166 | 1 | 1 | 38.2 |
| 2004 Q4 | 25,194 | 5 | 1 | 198.5 |
| 2004 Q3 | 24,331 | 6 | 5 | 246.6 |
Show 5 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2004 Q2 | 3,411 | 1 | 1 | 293.2 |
| 2002 Q2 | 0 | 0 | 0 | |
| 2002 Q1 | 0 | 0 | 0 | |
| 2001 Q4 | 0 | 0 | 0 | |
| 2001 Q3 | 0 | 0 | 0 |
No fatalities recorded at this mine.
Reportable incidents
2 on file2005 · 2 incidents
April 7, 2005
KY · Coal
roof bolter, rock bolter, pinner, mobile roof support operator (mrs)
MACHINERY
Enterprise Mining Company, L. L. C. · Struck by falling object
Employee was drilling 10' test holes and extension fell out striking his left hand index finger causing a laceration.
For insurers, brokers, and safety consultants
The full compliance file on Mine #4
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.