No 4 Mine safety activity
MSHA violations, accident reports and inspections.
Safety activity
Mechanical equipment guards.
30 CFR 77.400(a) · Significant and substantial (S&S) · $1,818.00 proposed penalty
Mechanical equipment guards.
30 CFR 77.400(a) · Significant and substantial (S&S) · $1,818.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(b) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $818.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $818.00 proposed penalty
Identification of circuit breakers.
30 CFR 77.904 · Significant and substantial (S&S) · $1,219.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $245.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $245.00 proposed penalty
Loading and haulage equipment; operation.
30 CFR 77.1607(cc) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Identification of circuit breakers.
30 CFR 77.904 · Significant and substantial (S&S) · $1,818.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(b) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(e) · $245.00 proposed penalty
Mechanical equipment guards.
30 CFR 77.400(a) · $366.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $245.00 proposed penalty
Spot Inspections
103(i) · 6.5 on-site hours reported
Escapeways; bituminous and lignite mines.
30 CFR 75.380(d)(1) · $1,968.00 proposed penalty
Spot Inspections
103(i) · 7.5 on-site hours reported
Ventilation controls.
30 CFR 75.333(h) · $755.00 proposed penalty
Storage of materials.
30 CFR 77.208(d) · Significant and substantial (S&S) · $1,219.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $366.00 proposed penalty
Electric equipment; examination, testing, and maintenance.
30 CFR 77.502 · $818.00 proposed penalty
Travelways at surface installations.
30 CFR 77.205(a) · $245.00 proposed penalty
Surface installations; general.
30 CFR 77.200 · $245.00 proposed penalty
Mechanical equipment guards.
30 CFR 77.400(d) · $366.00 proposed penalty
Drill dust control at underground areas of underground mines.
30 CFR 72.630(b) · Significant and substantial (S&S) · $1,968.00 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.