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M-Class Mining LLC safety activity

MSHA violations, accident reports and inspections across the current mine portfolio.

2025-01-01 – 2026-10-31Database snapshot · 2026-10-31

Safety activity

  1. Methane monitors.

    violationRecord 9789493
    MC#1 Mine · 1103189

    30 CFR 75.342(a)(4) · $151.00 proposed penalty

  2. Handling of materials

    accidentRecord 220253170659
    MC#1 Mine · 1103189

    Days away from work only

    Accident narrative

    I.E. stated they were pulling on a 6-foot bolt that was being installed into the roof when they felt a pop in right arm. Employee went to E.R. with a full release. Employee went to ortho. doctor and was taken off work (light duty) on 11/5/2025.

  3. Spot Inspections

    inspectionRecord F005C38
    MC#1 Mine · 1103189

    103(i) · 7.0 on-site hours reported

  4. Methane monitors.

    violationRecord 9786582
    MC#1 Mine · 1103189

    30 CFR 75.342(a)(4) · $151.00 proposed penalty

  5. Handling of materials

    accidentRecord 220253170106
    MC#1 Mine · 1103189

    No dys awy frm wrk,no rstr act

    Accident narrative

    I.E. stated EE was picking up a bottom roller when another employee dropped another roller down smashing EE's hand between the two. Employee received 18 stitches on EE's right hand.

  6. Accumulation of combustible materials.

    violationRecord 9789280
    MC#1 Mine · 1103189

    30 CFR 75.400 · Significant and substantial (S&S) · $1,550.00 proposed penalty

  7. Protection from falls of roof, face and ribs.

    violationRecord 9789279
    MC#1 Mine · 1103189

    30 CFR 75.202(a) · $209.00 proposed penalty

  8. Transport of diesel fuel.

    violationRecord 5012026
    MC#1 Mine · 1103189

    30 CFR 75.1906(b) · $193.00 proposed penalty

  9. Regular Safety and Health Inspection

    inspectionRecord F005C37
    MC#1 Mine · 1103189

    560.0 on-site hours reported

  10. Spot Inspections

    inspectionRecord F005A59
    MC#1 Mine · 1103189

    103(i) · 4.5 on-site hours reported

  11. Nonpermissible diesel-powered equipment; design and performance requirements.

    violationRecord 9786979
    MC#1 Mine · 1103189

    30 CFR 75.1909(a)(3)(iv) · $193.00 proposed penalty

  12. Nonpermissible diesel-powered equipment; design and performance requirements.

    violationRecord 9786978
    MC#1 Mine · 1103189

    30 CFR 75.1909(a)(2) · $193.00 proposed penalty

  13. Handling of materials

    accidentRecord 220252720019
    MC#1 Mine · 1103189

    No dys awy frm wrk,no rstr act

    Accident narrative

    EE stated they were removing a 12' cable bolt from tray when the end hung on a glue box coming back striking employee in mouth breaking a tooth.

  14. Fall of roof or back

    accidentRecord 220252720010
    MC#1 Mine · 1103189

    Days away from work only

    Accident narrative

    I.E. stated a rock fell from in between 2 shiels hitting employee on EE's right middle finger. Employee transported self to ER and received 4 stitches and X-Ray showed a fracture.

  15. Fall of roof or back

    accidentRecord 220252720009
    MC#1 Mine · 1103189

    Accident only

    Accident narrative

    A non-injury accident in the form of an unintentional roof fall located in entry 9 XC 94-95 of the North Mains 2.

  16. Non-Injury Accident Investigation

    inspectionRecord F002240
    MC#1 Mine · 1103189

    9.0 on-site hours reported

  17. Violation — cited standard not reported

    violationRecord 5012025
    MC#1 Mine · 1103189

  18. Protection from falls of roof, face and ribs.

    violationRecord 9789492
    MC#1 Mine · 1103189

    30 CFR 75.202(a) · Significant and substantial (S&S) · $1,037.00 proposed penalty

  19. Spot Inspections

    inspectionRecord F005A58
    MC#1 Mine · 1103189

    103(i) · 7.0 on-site hours reported

  20. Mine ventilation plan; submission and approval.

    violationRecord 9789491
    MC#1 Mine · 1103189

    30 CFR 75.370(a)(1) · $267.00 proposed penalty

  21. Methane monitors.

    violationRecord 9789490
    MC#1 Mine · 1103189

    30 CFR 75.342(a)(4) · $313.00 proposed penalty

  22. Criteria—Belt conveyors.

    violationRecord 9789489
    MC#1 Mine · 1103189

    30 CFR 75.1403-5(g) · $193.00 proposed penalty

  23. Belt air course ventilation.

    violationRecord 9789488
    MC#1 Mine · 1103189

    30 CFR 75.350(a)(2) · $151.00 proposed penalty

  24. Accumulation of combustible materials.

    violationRecord 9786796
    MC#1 Mine · 1103189

    30 CFR 75.400 · Significant and substantial (S&S) · $1,550.00 proposed penalty

  25. Mine ventilation plan; submission and approval.

    violationRecord 5012024
    MC#1 Mine · 1103189

    30 CFR 75.370(a)(1) · $267.00 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.

Status is from the current MSHA Mines snapshot, not the selected reporting period. Closed records can retain their last reported controller/operator.

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.