Mining Incidents

No 10 Slope Coal

Chestnut Coal · Underground
Controlled by Shingara Robert R
Trevorton, Northumberland County, PA  ·  Abandoned and Sealed
MSHA Mine ID: 3607059

No 10 Slope has $50K in proposed MSHA penalties and $21K outstanding across 24 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 2001
155
citations
49
significant & substantial
$50,111
proposed penalties
$2,043
paid to date
4% of proposed penalties paid to date, a $48,068 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
113
inspections on record
2,324
inspection hours
6.7
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.
155 citations across 2,324 inspection hours.
Source: MSHA inspections data, updated weekly.

No 10 Slope has $50K in proposed MSHA penalties and $21K outstanding across 24 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.
$50K
proposed penalties
$23K
current assessed
$2K
paid to date
$21K
outstanding
148 assessments are final orders; 24 contested dockets.
As of the most recent assessment on 2007-04-04.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.

MSHA sampling at No 10 Slope shows respirable coal dust averaging 0.15 mg/m3 (99% compliant) across 288 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)
1.86
dust max (mg/m3)
99%
within 1.5 mg/m3
288
samples
Most recent sample: 2006-11-08.
Silica (quartz)
2.2
silica avg (%)
3.9
silica max (%)
4
samples
Most recent sample: 2005-10-11.
Noise
0%
over PEL
30
samples
Most recent sample: 2006-05-16.
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 Q4 4,680 1 0 213.7
2006 Q3 252 4 0 15873.0
2006 Q2 4,620 6 0 1298.7
2006 Q1 4,620 47 14 10173.2
2005 Q4 6,370 4 0 627.9
2005 Q3 5,460 3 1 549.5
2005 Q2 5,005 3 2 599.4
2005 Q1 3,430 42 21 12244.9
Show 19 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2004 Q4 7,680 2 0 260.4
2004 Q3 6,370 5 1 784.9
2004 Q2 6,240 1 0 160.3
2004 Q1 5,460 1 1 183.2
2003 Q4 3,870 1 1 258.4
2003 Q3 3,185 1 1 314.0
2003 Q2 3,024 1 0 330.7
2003 Q1 3,240 6 0 1851.9
2002 Q4 2,016 2 0 992.1
2002 Q3 1,344 5 1 3720.2
2002 Q2 972 14 6 14403.3
2002 Q1 1,320 0 0 0.0
2001 Q4 3,360 0 0 0.0
2001 Q3 2,730 2 0 732.6
2001 Q2 3,120 0 0 0.0
2001 Q1 3,120 2 0 641.0
2000 Q4 2,290 0 0 0.0
2000 Q2 1,050 0 0 0.0
2000 Q1 1,950 0 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.

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The full compliance file on No 10 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.