No 12 Slope Coal
Chestnut Coal Co
· Underground
Controlled by
Shingara Robert R
Treverton,
Northumberland County,
PA
·
Abandoned and Sealed
MSHA Mine ID: 3609493
No 12 Slope has $30K in proposed MSHA penalties and $30K outstanding across 2 contested dockets, plus health sampling and the full incident record.
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Email me when a new MSHA incident is filed at No 12 Slope.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2007
25
citations
12
significant & substantial
$29,998
proposed penalties
$0
paid to date
0% of proposed penalties paid to date, a $29,998 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2007
17
inspections on record
286
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: 286 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
No 12 Slope has $30K in proposed MSHA penalties and $30K outstanding across 2 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.$30K
proposed penalties
$30K
current assessed
$0
paid to date
$30K
outstanding
23 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2008-07-15.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
MSHA sampling at No 12 Slope shows respirable coal dust averaging 0.15 mg/m3 (100% compliant) across 9 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.0.15
dust avg (mg/m3)
0.33
dust max (mg/m3)
100%
within 1.5 mg/m3
9
samples
Most recent sample: 2008-07-15.
Noise
0%
over PEL
4
samples
Most recent sample: 2008-04-07.
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 |
|---|---|---|---|---|
| 2008 Q3 | 0 | 3 | 0 | |
| 2008 Q2 | 0 | 1 | 1 | |
| 2008 Q1 | 0 | 0 | 0 |
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.
For insurers, brokers, and safety consultants
The full compliance file on No 12 Slope
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.