MSHA sampling at Keystone Terminals shows 100% of 2 respirable coal dust samples met the 1.5 mg/m3 standard, plus the mine's fatality, citation, and penalty record.
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Fatalities
0
Total incidents
5
Years on record
1987–1991
Latest incident
Aug 1991
Inspection activity
MSHA inspections since 2000
10
inspections on record
75
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: 75 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
MSHA sampling at Keystone Terminals shows 100% of 2 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: 2005-01-24, 21 years ago
100%
within 1.5 mg/m3
2
samples
0.00
dust max (mg/m3)
2 samples taken by MSHA inspectors, 0 by the operator.
Most-sampled occupations
LABORER/BLACKSMITH1
MINE FOREMAN/MINE MANAGER1
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2005
1
2003
1
2002
2
2001
2
2000
2
Source: MSHA quarterly employment and production, updated weekly.
Keystone Terminals sits in Lawrence County, Ohio, where the Census mining category is 0.4% 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.
Lawrence County, Ohio · Population 57,385
0.4%
Mining share of county employment
$54,842
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
2005 Q1
504
0
0
0.0
2003 Q3
504
0
0
0.0
2003 Q2
512
0
0
0.0
2003 Q1
496
0
0
0.0
2002 Q4
596
0
0
0.0
2002 Q3
752
0
0
0.0
2002 Q2
752
0
0
0.0
2002 Q1
907
0
0
0.0
Show 8 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2001 Q4
1,024
0
0
0.0
2001 Q3
1,008
0
0
0.0
2001 Q2
1,032
0
0
0.0
2001 Q1
1,028
0
0
0.0
2000 Q4
1,024
0
0
0.0
2000 Q3
1,050
0
0
0.0
2000 Q2
1,100
0
0
0.0
2000 Q1
1,370
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
5 on file
1991 · 2 incidents
August 12, 1991OH · Coalprep plant foreman, supervisor, mill plant supervisor, kiln supervisorSLIP OR FALL OF PERSON
HEATER HOSE BURST IN CAB OF LOADER AND SEAT. BELT WOULD NOT RELEASE, NOT ALLOWING OPERATOR TO EXIT CAB, CAUSING 2ND AND 3RD DEGREE BURNS ON CALF OF RIGHT LEG.
1989 · 1 incident
August 30, 1989OH · Coalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorHANDLING OF MATERIALS