No 4 Mine safety activity
MSHA violations, accident reports and inspections.
Safety activity
Maintenance of incombustible content of rock dust.
30 CFR 75.403 · $288.00 proposed penalty
Weekly examination.
30 CFR 75.364(g) · $245.00 proposed penalty
Machinery and equipment; operation and maintenance.
30 CFR 75.1725(a) · Significant and substantial (S&S) · $5,574.00 proposed penalty
Protection from falls of roof, face and ribs.
30 CFR 75.202(a) · Significant and substantial (S&S) · $2,503.00 proposed penalty
Weekly examination.
30 CFR 75.364(b)(1) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Mechanical equipment guards.
30 CFR 77.400(d) · $366.00 proposed penalty
Other safeguards.
30 CFR 75.1403 · $267.00 proposed penalty
Protection from falls of roof, face and ribs.
30 CFR 75.202(a) · $504.00 proposed penalty
Protection from falls of roof, face and ribs.
30 CFR 75.202(a) · Significant and substantial (S&S) · $2,503.00 proposed penalty
Protection from falls of roof, face and ribs.
30 CFR 75.202(a) · Significant and substantial (S&S) · $2,503.00 proposed penalty
Accumulation of combustible materials.
30 CFR 75.400 · $465.00 proposed penalty
Preshift examination at fixed intervals.
30 CFR 75.360(g) · $151.00 proposed penalty
Spot Inspections
103(i) · 9.5 on-site hours reported
Machinery and equipment; operation and maintenance.
30 CFR 75.1725(a) · $288.00 proposed penalty
Machinery and equipment; operation and maintenance.
30 CFR 75.1725(a) · $288.00 proposed penalty
Preshift examination at fixed intervals.
30 CFR 75.360(g) · $151.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(b) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Mechanical equipment guards.
30 CFR 77.400(d) · $366.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(a) · Significant and substantial (S&S) · $13,436.00 proposed penalty
Loading and haulage equipment; operation.
30 CFR 77.1607(cc) · Significant and substantial (S&S) · $1,818.00 proposed penalty
Accumulations of combustible materials.
30 CFR 77.1104 · Significant and substantial (S&S) · $1,219.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(b) · Significant and substantial (S&S) · $4,047.00 proposed penalty
Protection from falls of roof, face and ribs.
30 CFR 75.202(a) · Significant and substantial (S&S) · $2,503.00 proposed penalty
Ventilation controls.
30 CFR 75.333(h) · $267.00 proposed penalty
Ventilation controls.
30 CFR 75.333(c)(2) · $245.00 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.