On Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
Darby Mine No 1 Coal
Darby Mine No 1 has $553K in proposed MSHA penalties and $505K outstanding across 7 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 5
- Total incidents
- 28
- Years on record
- 2001–2006
- Latest incident
- May 2006
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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.Darby Mine No 1 has $553K in proposed MSHA penalties and $505K outstanding across 7 contested dockets.
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Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.MSHA sampling at Darby Mine No 1 shows respirable coal dust averaging 0.73 mg/m3 (88% compliant) across 414 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 |
|---|---|---|---|---|
| 2007 Q2 | 0 | 34 | 24 | |
| 2007 Q1 | 0 | 9 | 0 | |
| 2006 Q4 | 1,060 | 0 | 0 | 0.0 |
| 2006 Q3 | 2,336 | 54 | 27 | 23116.4 |
| 2006 Q2 | 11,627 | 32 | 14 | 2752.2 |
| 2006 Q1 | 19,895 | 7 | 5 | 351.8 |
| 2005 Q4 | 19,208 | 12 | 5 | 624.7 |
| 2005 Q3 | 18,897 | 13 | 6 | 687.9 |
Show 22 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2005 Q2 | 18,622 | 33 | 9 | 1772.1 |
| 2005 Q1 | 19,648 | 13 | 2 | 661.6 |
| 2004 Q4 | 19,082 | 11 | 3 | 576.5 |
| 2004 Q3 | 17,740 | 18 | 5 | 1014.7 |
| 2004 Q2 | 18,648 | 18 | 2 | 965.3 |
| 2004 Q1 | 17,456 | 10 | 4 | 572.9 |
| 2003 Q4 | 18,082 | 6 | 3 | 331.8 |
| 2003 Q3 | 15,980 | 11 | 5 | 688.4 |
| 2003 Q2 | 14,322 | 10 | 0 | 698.2 |
| 2003 Q1 | 15,495 | 14 | 5 | 903.5 |
| 2002 Q4 | 17,533 | 5 | 3 | 285.2 |
| 2002 Q3 | 14,665 | 19 | 8 | 1295.6 |
| 2002 Q2 | 16,505 | 13 | 5 | 787.6 |
| 2002 Q1 | 16,184 | 14 | 7 | 865.1 |
| 2001 Q4 | 15,430 | 10 | 6 | 648.1 |
| 2001 Q3 | 12,806 | 2 | 1 | 156.2 |
| 2001 Q2 | 4,692 | 10 | 7 | 2131.3 |
| 2001 Q1 | 720 | 0 | 0 | 0.0 |
| 2000 Q4 | 0 | 0 | 0 | |
| 2000 Q3 | 0 | 0 | 0 | |
| 2000 Q2 | 0 | 0 | 0 | |
| 2000 Q1 | 0 | 0 | 0 |
Fatalities at this mine
5 recordedOn Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
On Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
On Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
On Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
Reportable incidents
23 on file (excluding fatalities above)2006 · 2 incidents
On Sat., 5/20/06, at approx., 1AM, an explosion occurred underground at the mine. The explosion occurred during the 3rd shift that is designated as the maintenance shift. The source & causes of explosion are unk at this time. Explosion claimed the lives of 5 of the 6 miners. All the victims have been recovered. The surviving miner was taken to hospital, treated and released.
A ROOF FALL OCCURRED ON #2 LEFT ENTRY IN #2 & #3 INTERSECTION #6 BRK. THERE WAS NO RESTRICTION TO VENTILATION. THE FALL WILL BE CRIBBED OFF AND WILL NOT BE CLEANED UP.
2005 · 3 incidents
A roof fall occurred on 1st left in no. 5 entry no. 8 break with no restriction to ventilation or travel. The fall will be cribbed off and not cleaned up.
EMPLOYEE WAS INSTALLING ROOF BOLTS.
Installing roof bolts, pushed wrong lever & mashed finger.
2004 · 7 incidents
EMPLOYEE WAS WALKING BESIDE BOLTER & CUT HIS ARM ON ROOF MATS.
WHILE DRILLING A ROOF BOLT HOLE IN THE ROOF THE DRILL STEEL BROKE APART AND STRUCK EMPLOYEE IN THE FACE.
A mine cable was being taken down and was dropped off its supports forcing victims hand down to mine floor.
ROOF STRAP TURNED DURING INSTALLATION STRIKING OPERATOR IN THE NOSE.
Rib roll from continuous miner.
LIFTING TOOLS AND PARTS, HE DEVELOPED A HERNIA.
TAPING OUT 5/8" HOLES IN WHEEL UNIT ON SHUTTLE CARS.
2003 · 4 incidents
EE WAS STRUCK IN RIGHT HAND WITH HAMMER WHILE MAKING A BELT SPLICE.
Roof bolting top
Cleaning out muck from behind seoctor blade of scoop.
RIB ROCK BROKE AND FELL STRIKING EE.
2002 · 4 incidents
BENT DOWN ON LEFT KNEE TO GREASE FEEDER AND WAS STRUCK BY A FALLING ROCK.
DRAW ROCK FALLING.
DRAW ROCK FELL STIRKING HIS LEFT LEG AND PELVIS
DRAW ROCK STRIKING FACE & HEAD AREA.
2001 · 3 incidents
EMPLOYEE WAS OPERATING THE MINER. A PIECE OF DRAW ROCK FELL IN THE CUT. THE PIECE OF DRAW ROCK BROKE A ROOF STRAP AND HIT EMPLOYEE CAUSINGINJURY TO EMPLOYEE'S PELVIS.
HAD HAND ON HEAD OF ROOF BOLTER AND PINCHED IT BETWEEN HEAD AND BOOM.
MOVING BOLT MACHINE.
The full compliance file on Darby Mine No 1
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.