Mining Incidents

Sterling North Mine: 75 MSHA citations Coal

Sterling Mining Corp · Underground
Controlled by W Thomas Mackall
Salineville, Jefferson County, OH  ·  Abandoned and Sealed
MSHA Mine ID: 3304230

Sterling North Mine has $6K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
29
Years on record
1992–2002
Latest incident
Feb 2002
Compliance record
MSHA citations since 2000
75
citations
34
significant & substantial
$6,430
proposed penalties
$6,430
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
31
inspections on record
1,125
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.
75 citations across 1,125 inspection hours.
Source: MSHA inspections data, updated weekly.

Sterling North Mine has $6K in proposed MSHA penalties and $0 outstanding across 0 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.
$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
75 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2002-05-28.
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.
45.3%
significant & substantial
0.0%
high negligence or reckless
45.3%
reasonably likely or greater
5.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 12.0% low, 88.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.

MSHA sampling at Sterling North Mine shows 81% of 151 respirable coal dust samples met the 1.5 mg/m3 standard.

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: 2002-03-25, 24 years ago
81%
within 1.5 mg/m3
151
samples
2.77
dust max (mg/m3)
82 samples taken by MSHA inspectors, 69 by the operator.
Most-sampled occupations
  • AUGER OPERATOR83
  • MOBILE BRIDGE OPERATOR27
  • ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)13

Silica (quartz)

Last sampled: 2002-03-27, 24 years ago
2.7
silica avg (%)
16
samples
5.6
silica max (%)
Most-sampled occupations
  • AUGER OPERATOR10

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: 2001-08-20, 25 years ago
42%
over PEL
12
samples
Most-sampled occupations
  • AUGER OPERATOR5
  • MOBILE BRIDGE OPERATOR3
  • ROOF BOLTER (TWIN HEAD) (INTAKE SIDE)2
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
Health sampling trend
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 by year
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.
Year within 1.5 mg/m3 samples
2002 68% 22
2001 87% 63
2000 79% 66
Silica (quartz) by year
Year silica avg (%) samples
2002 2.7 3
2001 2.8 5
2000 2.6 8
Noise by year
Year over PEL samples
2001 50% 8
2000 25% 4
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.

Sterling North Mine recorded 12.64 reportable injury cases per 100 full-time workers in 2001.

Injury rate, 2001
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.
12.64
total case rate
6.32
days-away rate
0.000
fatality rate
Above average. The US coal mining average was 6.94 and the all-US-mining average was 5.26 cases per 100 workers.
In Ohio, coal mining averaged 6.47 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year total case rate days-away fatal
2001 * 12.64 6.32 0.000
2000 * 4.96 4.96 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
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.
Ownership history
  1. Sterling Mining Corp 1991 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Coal production is reported quarterly and lags the current period; the most recent quarters may be incomplete.
Year Employees Coal produced (tons)
2002 15 81,014
2001 13 193,511
2000 18 157,707
Source: MSHA quarterly employment and production, updated weekly.

Sterling North Mine sits in Jefferson County, Ohio, where the Census mining category is 1.2% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Jefferson County, Ohio · Population 64,855
1.2%
Mining share of county employment
$56,983
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2002 Q3 5,660 0 0 0.0
2002 Q2 8,784 6 3 683.1
2002 Q1 7,828 3 2 383.2
2001 Q4 10,988 12 3 1092.1
2001 Q3 7,379 8 7 1084.2
2001 Q2 5,868 10 3 1704.2
2001 Q1 7,398 8 5 1081.4
2000 Q4 9,241 6 3 649.3
Show 3 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2000 Q3 5,761 5 0 867.9
2000 Q2 12,563 10 5 796.0
2000 Q1 12,788 7 3 547.4
No fatalities recorded at this mine.

Reportable incidents

29 on file

2002 · 1 incident

February 20, 2002 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL IN ABANDONED 3 LEFT PANEL AT FACE INTERSECTION OF #6 ENTRY B-23. APPROX 19' WIDE AND 30' LONG, 8' HIGH. EXTENDS FROM IN BY B-22 #6 ENTRY TO FACE (THRU INTERSECTION) TO OLD FACE OF #6 ENTRY AT END OF PANEL. AREA POSITIONED ANDDANGERED OFF. DID NOT AFFECT VENTILATION.

2001 · 3 incidents

November 26, 2001 OH · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
Sterling Mining Corp · Over-exertion (Not Elsewhere Classified)

THE MINER WAS HELPING TO DO A BELT MOVE AND WAS THROWING BELT STRUCTURE NEAR THE BELT TO INSTALL. AFTER RELEASING A PIECE WHILE THROWING THE MINER FELT A PAIN IN HIS BACK. NO HORSE PLAY OR SAFETY VIOLATION WAS THE CAUSE. COMPLIANCE WITH RULES AND REGS NOT A FACTOR. PROTECTIVE ITEMS OR TRAINING NOT A FACTOR.

August 30, 2001 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL OF BREAK 5, #5 ENTRY AT INTERSECTION. APPROXIMATELY 20 X 20 FT IN AREA, 10' HIGH EXTENDING INTO #3 ENTRY OF ROOM-1 RIGHT. FOUND BY FOREMAN & MSHA INSPECTOR ON NORMAL INSPECTION.

February 23, 2001 OH · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Sterling Mining Corp · Struck by powered moving object

ALL 4 MOBILE BRIDGES WERE BACKING OUT OF A CUT, WHEN THE FRONT 2 BRIDGES (#4 & #3) STOPPED AND STARTED MOVING FORWARD, WHILE #2 & #1 BRIDGES WERE STILL BACKING. SUDDEN STOP CAUSED THE #2 & #3 BRIDGE TO SLIDE TOWARD THE OPERATOR CATCHING HIS KNEE PAD UNDER THE MACHINE PINNING HIM AGAINST THE RIB. OPERATOR HIT PANIC BAR, BUT IT FAILED TO DISENGAGE. IMMEDIATE REPAIR TO PANIC AFTER AID

2000 · 3 incidents

November 5, 2000 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL OCCURRED SOMETIME BETWEEN 12:00 AM ON 11-4 AND 9:00 PM 11-5. FOUND BY MINE FOREMAN DOING PRESHIFT FOR 11:00 PM MIDNIGHT SHIFT (SUN-MON) APPROX 6' HIGH 100' LONG IN BY INTERSECTION OF B-13 TO JUST INTO INTERSECTION 13-15 OF 5 RIGHTOFF OF 1 LEFT. FALL WAS POSTED AND DANGERED OFF.

May 19, 2000 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

FLOOR HEAVE OF #1 THRU #7 ENTRIES OF 3-LEFT ROOM OFF OF 1-LEFT SOUTHEAST SUBMAINS. FROM BREAK 1 TO BREAK 12, MOST CROSS CUTS REMAINED OPEN.

March 20, 2000 OH · Coal continuous miner operator, coal mole operator HANDTOOLS (NONPOWERED)
Sterling Mining Corp · Struck by... (Not Elsewhere Classified)

EE WAS ASSISTING IN HELPING TO TRY TO TIGHTEN UP THE CONVEYOR TAIL PIECE WHEN THE WRENCH HE WAS USING TO HELP TENSION THE TAILPIECE BROKE, CAUSING A PORTION OF THE WRENCH TO FLY LOOSE AND STRI KING HIM ON THE RIGHT SIDE OF HIS FACE. CAUSE OF INJURY WAS AWARENESS COMPLIANCE WITH RULES AND REGS WAS NOT A FACTOR, PROTECTIVE ITEMS OR TRAINING NOT A FACTOR.

1999 · 4 incidents

August 18, 1999 OH · Coal scoop car operator HANDLING OF MATERIALS
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

EE WAS ASSISTING IN REPLACING A GUARD ON A MOBILE BRIDGE CARRIER FOR THE CONVEYOR CHAIN. IN ATTEMPTING TO LINE UP THE BOLT HOLES OF THE GUARD A PIECE OF CRIB BLOCK WAS PLACED UNDER THE GUARD A ND DOWN PRESSURE APPLIED TO HELP LINE UP THE BOTTOM HOLES IN THE GUARD AND THE MACHINE-THE CRIB BLOCK KICKED OUT PINNING HIS HAND BETWEEN THE GUARD AND THE CRIB BLOCK.

August 17, 1999 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

A ROOF FALL OCCURRED AT #3 ENTRY OF SOUTH SUBMAIN BETWEEN CROSS-CUTS 43 AND 44 IN WORKED OUT PORTION OF SUBMAIN USED FOR VENTILATION OF WORKED PANELS 7-R+-1R+. #1,2,4 AND 5 ENTRIES NOT AFFECTE D OR VENTILATION.

July 6, 1999 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL IN 6 - RT PANEL AT CROSSCUT 17 #1 & #2 ENTRIES X 5'HIGH INACTIVE PANEL ALL EQUIPMENT HAD BEEN REMOVED.

July 2, 1999 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL IN 6 - RT PANEL AT CROSSCUT 14 #4 ENTRY = 5'HIGH - INACTIVE PANEL ALL EQUIPMENT HAD BEEN REMOVED.

1997 · 1 incident

January 16, 1997 OH · Coal section foreman, bullgang foreman, labor foreman, leadman, shift boss HANDLING OF MATERIALS
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

WHILE ASSEMBLING RIGID CONVEYOR BELT STRUCTURE EE WAS ATTEMPTING TO PUT A SIDE RAIL INTO THE STAND, THE STAND MOVED CAUSING THE RAIL TO PINCH HIS MIDDLE FINGE BETWEEN THE RAIL & THE STAND.

1996 · 2 incidents

May 28, 1996 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALLS OF O-LEFT PANEL AT INTERSECTIONS OF #1 B-34, #2 B-33 #3 B-32 , #4 BETWEEN B-31 AND B-32 AND #5 B-30 ON A DIAGONAL LINE ACROSS THE PANEL WERE CLAY VEINS WERE PRESENT AND SURFACE VALL EY WALLS ABOVE MET WHICH MAY HAVE CAUSED FAILURE AT BEAM BUILT WITH ROOF BOLTS DUE TO UNUSUAL WEIGHT AND STRESS ON THE ROOF. AREA WAS IN WORKED OUT PANEL NO EQUIPMENT OR MEN PRESENT.

April 17, 1996 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL IN #7 ENTRY OF 001 O-LEFT PANEL AT B-51 CAUSED BY FAILURE OF BEAM BUILT WITH 6' ROOF BOLTS WHICH HAD BEEN INSTALLED BECAUSE OF UNUSUAL WEIGHT AND STRESS ON THE ROOF AT THAT POINT. MA Y HAVE BEEN CAUSED BY WEAK AREA IN ROOF AND WEIGHT CARRIED OVER FROM ADJOINING ABANDONED MINE.

1995 · 4 incidents

November 13, 1995 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL IN #1 ENTRY OF 001 1 LEFT ROOM AT B-28 CAUSED BY FAILURE OF BEAM BUILT WITH ROOF BOLTS BECAUSE OF UNUSUAL WEIGHT AND STRESS ON THE ROOF AT THAT POINT. WEIGHT MAY HAVE BEEN CAUSED BY SETTLING OF ROOF AT B 31 WHERE CLAY VEIN CROSSED WHICH HAD BEEN CRIBBED EXTENSIVELY.

September 15, 1995 OH · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Sterling Mining Corp · Fall to lower level, (Not Elsewhere Classified)

EE, #1 BRIDGE OPER. WAS ATTEMPTING TO ADJUST LEADS FROM #1 BRIDGE TO #2 BRIDGE, WHICH HAD DROPPED LOOSE FROM ITS MOUNTING ARM WHILE BRIDGES WERE STATIONARY. #3 BRIDGE OPER. WAS NOT AWARE, AND PROCEEDED TO MOVE HIS BRIDGE FORWARD WHICH EXTENDED UNTIL THE #2 BRIDGE SLIDING DECK MET ITS STOPS WHICH COCKED THE #2 BRIDGE, KNOCKING EE ONTO THE CRAWLER TRACKS OF THE #1 BRIDGE, BRUISING HI

June 8, 1995 OH · Coal FALL OF ROOF OR BACK
Sterling Mining Corp · Accident type, without injuries

ROOF FALL ON 2-LEFT PANEL. BREAK 23 SURVEY STATION 1150 ENTRIES 5,4,3,,2,1. FALL DAMAGED SECITON POWER CENTER AND CONVEYOR BELT LINE. FALL OCCURRED ACROSS ENTRIES THRU INTERSECTIONS OF CROS SCUTS FOR BREAK 23 BECAUSE OF MULTIPE CLAY VEINS IN THE ROOF WEAKENED IT ALONG THE RIBS VERTICALLY. TEST HOLES DID NOT INDICAATE ANY ROOF WEAKNESS.

March 1, 1995 OH · Coal bull gang foreman, labor foreman, leadman, section foreman, shift boss HANDLING OF MATERIALS
Sterling Mining Corp · Over-exertion in lifting objects

FORMAN WAS SHOVELING ALONG BELT LINE, NOTICED SLIGHT TWINGE IN RIGHT SIDE WENT HOME AFTER HIS MIDNIGHT SHIFT WENT TO BED WOKE UP WITH SWELLING ON LOWER RIGHT ABMOMEN.

1994 · 4 incidents

October 24, 1994 OH · Coal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

OPERATOR WAS ATTEMPTING TO PICK A LARGE CHUNK OF COAL OFF THE BRIDGE CONVEYOR WHEN IT SLIPPED AND FLIPPED UP SMASHIN GFOR A MOMENT HIS LEFT POINTER FINGER ON ROOF BOLT. X-RAYED AT HOSPITAL NO T BROKE BADLY BRUISED.

September 26, 1994 OH · Coal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

ROOF BOLTER OPERATOR WAS EXTENDING THE ATRS ARMS ONT EH BOLTER AND GOT HIS HAND BETWEEN THUMB AND FINGER, PINCHED BY SUPPORT PAD WHICH PIVOTS ON THE ATRS ARM MUSCLE AND LIGIMENTS BETWEEN THUMB AND FINGER BRUISED OF LEFT HAND.

July 7, 1994 OH · Coal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

HE WAS MOVING THE BOLTER FROM A CROSSCUT TO POSITION THE BOLTER IN #3 ENTRY TO BOLT. HE WAS ON THE OPPOSITE SIDE OF THE BOLTER. OTHER EMPLOYEE TURNED THE BOLTER SLIGHTLY TO CENTER IT IN THE EI NTRY. HIS ANKLE WAS CAUGHT UNDER THE PANIC BAR BEHIND THE BOLTER HEAD.

March 11, 1994 OH · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Sterling Mining Corp · Struck by... (Not Elsewhere Classified)

VICTIM WAS WORKING WITH THE FOREMAN ON A TAILPIECE USING A PRY BAR TO STRAIGHTEN SOME PROTECTIVE SKIRTING. THE PRYBAR DISLODGED FROM THE FOREMAN'S HAND STRIKING THE VICTIM ACROSS THE CHEST. VI CTIM WENT TO HOSPITAL AFTER SHIFT-DIAGNOSED WITHBRUISED CARTILAGE OF THE RIBS.

1992 · 7 incidents

December 11, 1992 OH · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Sterling Mining Corp · Struck by... (Not Elsewhere Classified)

WHILE CUTTING A PIECE OF CANVEYOR BELTING WITH A KNIFE, THE KNIFE SLIPPED AND CUT THE EMPLOYEE'S LEFT HAND. ACCIDENT OCCURRED WHILE WORKING THE SHOP.

October 23, 1992 OH · Coal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Sterling Mining Corp · Over-exertion in lifting objects

WHILE SERVICING THE MINER, EMPLOYEE STRAINED ADDOMINAL AREA RESULTING IN SWELLING TO GROIN AREA, BY LIFTING A HYDROLIC OIL CAN.

August 17, 1992 OH · Coal electrician, lineman SLIP OR FALL OF PERSON
Sterling Mining Corp · Fall onto or against objects

23977ED OFF HOPPER, FELL INTO TRUCK BED, GROUND CLAMP KNOCKED LOOSE AND STRUCK HIM ON RIGHT SIDE OF FACE CAUSIGN BRUISES AND LACERATION IN AND AROUND EAR.

July 27, 1992 OH · Coal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

54736YEE SMASHED FINGER IN HIGHLIFT DOOR WHILE TRYING TO SHUT DOOR

June 29, 1992 OH · Coal continuous miner operator, coal mole operator OCCUPATIONAL SKIN DISEASES
Sterling Mining Corp · Over-exertion (Not Elsewhere Classified)

CRAWLING DURING NORMAL WORK PERIODS AND CONDITOIONS-SWELLING OF BOTH KNEES.INFLAMMED RIGHT ELBOW DUE TO PULLING CABLE BOTH CODE 26 DOSORDERS.

April 8, 1992 OH · Coal scoop car operator POWERED HAULAGE
Sterling Mining Corp · Caught in, under or between a moving and a stationary object

HANGING BRATTICE CURTAIN IN KNEELING POSITION, MOBILE BRIDGE CONVEYOR CRAWLER RAN OVER RIGHT FOOT.METAL TOE SQUEEZED TOES CAUSING FRACTURE & LACERATION.

February 5, 1992 OH · Coal utility man, errand boy, service truck operator HANDLING OF MATERIALS
Sterling Mining Corp · Fall onto or against objects

EE WAS CHECKING WATER LEAK ON 4 INCH PIPE LINE WHEN COUPLER BLEW OFF CAUSING JET OF WATER TO STRIKE HIM AND KNOCK HIM OVER AGAINST A COMPANION CAUSE SURGE IN WATER PRESSURE.