LEER MINE safety activity
MSHA violations, accident reports and inspections.
Safety activity
Spot Inspections
103(i) · 7.5 on-site hours reported
Violation — cited standard not reported
$714.00 proposed penalty
Spot Inspections
103(i) · 7.5 on-site hours reported
Mine ventilation plan; submission and approval.
30 CFR 75.370(a)(1) · $313.00 proposed penalty
Spot Inspections
103(i) · 7.5 on-site hours reported
Accumulation of combustible materials.
30 CFR 75.400 · $165.00 proposed penalty
Machinery and equipment; operation and maintenance.
30 CFR 75.1725(a) · $151.00 proposed penalty
Spot Inspections
103(i) · 7.5 on-site hours reported
Mine map.
30 CFR 75.1200(c) · $193.00 proposed penalty
Violation — cited standard not reported
$407.00 proposed penalty
Ventilation Technical Investigation
42.0 on-site hours reported
Dry chemical devices; capacity; minimum requirements.
30 CFR 75.1107-9(a)(2) · $151.00 proposed penalty
Accumulation of combustible materials.
30 CFR 75.400 · $165.00 proposed penalty
Spot Inspections
103(i) · 3.3 on-site hours reported
Electrical Technical Investigation
38.0 on-site hours reported
Methane monitors.
30 CFR 75.342(a)(4) · $151.00 proposed penalty
Mine ventilation plan; submission and approval.
30 CFR 75.370(a)(1) · $151.00 proposed penalty
Refuge alternatives.
30 CFR 75.1506(g) · $642.00 proposed penalty
Escapeway maps.
30 CFR 75.1505(b) · $642.00 proposed penalty
Power wires and cables; insulation and protection.
30 CFR 75.517 · Significant and substantial (S&S) · $1,550.00 proposed penalty
Spot Inspections
103(i) · 7.5 on-site hours reported
Regular Safety and Health Inspection
366.3 on-site hours reported
Preshift examination at fixed intervals.
30 CFR 75.360(b)(3) · $642.00 proposed penalty
Sources and definitions
MSHA Violations (issue date), Accidents (accident date) and Inspections (begin date).
Violation titles use current CFR headings to identify the cited rule; they are not the inspector’s account of what happened.
Counts describe published rows, including contractor records; accident records are not distinct incidents or numbers of people injured.
Zero means no matching records in the imported sources, not proof of no events. Historical coverage differs by source; absence before a source begins reporting is not a zero incident rate. Invalid or absent dates and records after the snapshot are excluded.
S&S means SIG_SUB=Y. Fatality records use DEGREE_INJURY_CD=01. Proposed penalties are not final assessed or paid amounts; missing dollar values are omitted.
Inspection hours are SUM_TOTAL_ON_SITE_HOURS attributed to the inspection start date, without supervisor/trainee hours. Missing hours are omitted; a started inspection may still be open.
Portfolio totals use current mine membership, including events before the current owner or operator's tenure.