Mining Incidents

Joby Fields: 1 recorded fatality controller

MSHA controller ID: C08507

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Fatalities
1
Total incidents
477
Mines on record
16
Years on record
1983–1999
Inspection activity
MSHA inspections since 2001
2
inspections on record
5
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: 5 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Injury rate, 2011
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
No reportable injury cases in any year shown. Employee-hours were reported in each of those years, so these are true zeros rather than missing data. Citations, listed in the compliance record above, are inspector-found violations and are counted separately from worker injuries.
Below average. The US coal mining average was 3.83 and the all-US-mining average was 3.08 cases per 100 workers.
Year total case rate days-away fatal
2011 0.00 0.00 0.000
2010 0.00 0.00 0.000
2009 0.00 0.00 0.000
2008 0.00 0.00 0.000
2007 0.00 0.00 0.000
2006 0.00 0.00 0.000
2005 0.00 0.00 0.000
2004 0.00 0.00 0.000
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
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: 2011-05-24, 15 years ago
95%
within 1.5 mg/m3
3,985
samples
9.26
dust max (mg/m3)
1,889 samples taken by MSHA inspectors, 2,096 by the operator.
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR1,960
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)525
  • SCOOP CAR OPERATOR220

Silica (quartz)

Last sampled: 2011-05-31, 15 years ago
9.2
silica avg (%)
303
samples
34.7
silica max (%)
Most-sampled occupations
  • CONTINUOUS MINER OPERATOR180
  • LABORER1

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: 2010-08-16, 16 years ago
23%
over PEL
304
samples
Most-sampled occupations
  • SHUTTLE CAR OPERATOR (STANDARD SIDE)82
  • CONTINUOUS MINER OPERATOR73
  • SCOOP CAR OPERATOR37
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

Top causes

Incident timeline

1999
30
1998
26
1997
41
1996
39
1995
58
1994
72
1993
79
1992
54 (1f)
1991
18
1990
11
1989
9
1988
10
1987
18
1986
9
1985
1
1984
1
1983
1

Operators under this controller

Mines on record

Fatalities under this controller

1 recorded
October 14, 1992 KY · Coal bull gang foreman, labor foreman, leadman, section foreman, shift boss Fatality · POWERED HAULAGE
Rawl Sales & Processing Company · Struck by powered moving object

INDIVIDUAL WAS PERFORMING DUTIES AS SECTION FOREMAN.IT WAS DETERMINED THAT THE SECTION FOREMAN ASSUMED A POSITION WHICH WAS NOT VISIBLE TO THE SHUTTLE CAR OPERATOR.THE SECTION FOREMAN WAS STRU CK BY THE SHUTTLE CAR OPERATOR.THE SECTION FOREMAN WAS PRONOUNCED DEAD AT THE MINE SITE BY PIKE COUNTY (KY) COUNTY CORONER.

For insurers, brokers, and safety consultants

Where Joby Fields 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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