MSHA record for Klaka Strip (mine ID 3607602). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.
Health sampling
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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.
Noise
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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: 2000-03-23, 26 years ago
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly.
Local economic context
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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.
Westmoreland County, Pennsylvania · Population 353,345
0.5%
Mining share of county employment
$72,468
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
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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 |
| 2001 Q1 |
0 |
0 |
0 |
|
| 2000 Q4 |
0 |
0 |
0 |
|
| 2000 Q3 |
67 |
0 |
0 |
0.0 |