Mining Incidents

Michelle Hatfield: 75 MSHA citations controller

MSHA controller ID: C16053

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Fatalities
0
Total incidents
10
Mines on record
3
Years on record
2002–2005
Compliance record
MSHA citations since 2002
75
citations
28
significant & substantial
$9,599
proposed penalties
$4,246
paid to date
44% of proposed penalties paid to date, a $5,353 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2002
48
inspections on record
1,553
inspection hours
4.8
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.
75 citations across 1,553 inspection hours.
Source: MSHA inspections data, updated weekly.
Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$10K
proposed penalties
$10K
current assessed
$4K
paid to date
$5K
outstanding
72 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2006-01-25.
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.
38.4%
significant & substantial
11.1%
high negligence or reckless
37.5%
reasonably likely or greater
18.1%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 13.9% low, 75.0% moderate, 11.1% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
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: 2003-09-25, 22 years ago
100%
within 1.5 mg/m3
20
samples
1.45
dust max (mg/m3)
14 samples taken by MSHA inspectors, 6 by the operator.
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR8
  • ROOF BOLTER (SINGLE HEAD)6
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)3

Silica (quartz)

Last sampled: 2003-05-14, 23 years ago
6.1
silica avg (%)
1
samples
6.1
silica max (%)
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR1

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: 2003-07-22, 23 years ago
0%
over PEL
4
samples
Most-sampled occupations
  • ROOF BOLTER (SINGLE HEAD)2
  • CONTINUOUS MINER OPERATOR1
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)1
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

Top causes

Incident timeline

2005
6
2004
2
2003
1
2002
1

Operators under this controller

Mines on record

For insurers, brokers, and safety consultants

Where Michelle Hatfield stands on silica, penalties, and injury rate

MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.

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