TWO MINERS WERE ASSIGNED WORK IN THE MONKEY HEADING OF THE 2ND LEVEL EAST GANGWAY WORKING. THEY APPARENTLY WERE PREPARING A HITCH FOR ROOF SUPPORT IN THE CYCLE OF MINING, AND AS THEY FRED THE HITCH, A POCKET OF METHANE GAS WAS IGNITED CAUSIING AN EXPLOSION TO OCCUR. THE RESUTLING EXPLOSION CAUSED FATAL INJURIES TO ONE AND SERIOUS INJURIES TO OTHER.
Tracy Vein Slope Coal
MSHA sampling at Tracy Vein Slope shows respirable coal dust averaging 0.32 mg/m3 (100% compliant) across 12 samples, plus the mine's fatality, citation, and penalty record.
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- Fatalities
- 2
- Total incidents
- 7
- Years on record
- 1990–1999
- Latest incident
- Sep 1999
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.MSHA sampling at Tracy Vein Slope shows respirable coal dust averaging 0.32 mg/m3 (100% compliant) across 12 samples.
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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 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.ⓘ
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.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2004 Q4 | 0 | 0 | 0 | |
| 2000 Q2 | 908 | 0 | 0 | 0.0 |
| 2000 Q1 | 1,711 | 0 | 0 | 0.0 |
Fatalities at this mine
2 recorded#14 HEADING HOLED THROUGH #15 ALLOWING UNUSUAL PRESSURE TO BE APPLIED TO HIGH SIDE RIB TIMBER.THE TIMBER AND ROOF SUBSEQUENTLY FELL ON THE MINER AS HE WAS IN THE PROCESS OF INSTALLING TEMPORAR Y ADDITIONAL ROOF AND RIB SUPPORTS.
Reportable incidents
5 on file (excluding fatalities above)1999 · 1 incident
APPROX 30' OF RIB COAL LET LOOSE ON THE SLOPE PILLAR INBY SIDE BETWEEN SLOPE & COAL #1 CHUTE BLOCKING GONGWAY.
1998 · 1 incident
UNKNOWN AT PRESENT TIME 1 FATAL, ONE BROKEN WRIST, BROKEN ELBOW, BROKEN FACIAL BONES, CUTS ECT
1996 · 1 incident
WORKING ON 75 DEGREE PITCH. WET CONDITIONS, FATIGUE. EMPLOYEE FELL APPROX. 100 FEET DOWN THE PITCH, SUBSTAINING BROKEN JAW, A LACERATION ON THE SCALP, COLLAPSED LUNG.
1991 · 1 incident
HOIST IGNITED OIL BLOWN FROM ENGINE.
1990 · 1 incident
PREMATURE DETONATION OF LONGHOLE.ABRASIONS ON MINERS RIGHT SHOULDER AND FOREARM.
The full compliance file on Tracy Vein 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.