Mining Incidents

1 Coal

Sister Bear Mining Inc · Underground
Controlled by Stanley W Osborne
Robinson Creek, Pike County, KY  ·  Abandoned and Sealed
MSHA Mine ID: 1517919

1 has $48K in proposed MSHA penalties and $48K outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2000
19
citations
12
significant & substantial
$47,804
proposed penalties
$0
paid to date
0% of proposed penalties paid to date, a $47,804 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
11
inspections on record
112
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: 112 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

1 has $48K in proposed MSHA penalties and $48K 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.
$48K
proposed penalties
$48K
current assessed
$0
paid to date
$48K
outstanding
18 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2000-03-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

MSHA sampling at 1 shows respirable coal dust averaging 1.11 mg/m3 (92% compliant) across 12 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.
1.11
dust avg (mg/m3)
1.67
dust max (mg/m3)
92%
within 1.5 mg/m3
12
samples
Most recent sample: 2000-03-24.
Silica (quartz)
2.0
silica avg (%)
2.0
silica max (%)
1
samples
Most recent sample: 2000-03-06.
Noise
0%
over PEL
4
samples
Most recent sample: 2000-03-01.
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

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The full compliance file on 1

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.