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Buzzi Unicem USA 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. Inspection.

    violationRecord 9795750
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4201(a)(2) · $226.00 proposed penalty

  2. Housekeeping.

    violationRecord 9795749
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.20003(a) · Significant and substantial (S&S) · $4,047.00 proposed penalty

  3. High-pressure hose connections.

    violationRecord 9795748
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.13021 · $226.00 proposed penalty

  4. Inspection and cover plates.

    violationRecord 9795747
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.12032 · Significant and substantial (S&S) · $2,936.00 proposed penalty

  5. High-pressure hose connections.

    violationRecord 9795746
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.13021 · $226.00 proposed penalty

  6. First-aid materials.

    violationRecord 5005636
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.15001 · $226.00 proposed penalty

  7. Inspection.

    violationRecord 5005635
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4201(a)(2) · $226.00 proposed penalty

  8. Barricades and warning signs.

    violationRecord 5005634
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.20011 · $226.00 proposed penalty

  9. Insulation and fittings for power wires and cables.

    violationRecord 5005633
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.12008 · $226.00 proposed penalty

  10. Housekeeping.

    violationRecord 5004142
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.20003(a) · Significant and substantial (S&S) · $4,047.00 proposed penalty

  11. Taglines, hitches, and slings.

    violationRecord 5004141
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.16007(b) · $226.00 proposed penalty

  12. Inspection.

    violationRecord 5004140
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4201(a)(2) · $336.00 proposed penalty

  13. Requirement for container labels.

    violationRecord 5004139
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 47.41(a) · $226.00 proposed penalty

  14. Warning signs.

    violationRecord 5004138
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4101 · Significant and substantial (S&S) · $1,679.00 proposed penalty

  15. Requirement for container labels.

    violationRecord 5004137
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 47.41(a) · $226.00 proposed penalty

  16. Requirement for container labels.

    violationRecord 5004136
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 47.41(a)(1) · $226.00 proposed penalty

  17. New task training.

    violationRecord 5004135
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 46.7(a) · $151.00 proposed penalty

  18. Machinery, equipment, and tools.

    violationRecord 5002990
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.14205 · $336.00 proposed penalty

  19. Extinguisher recharging or replacement.

    violationRecord 5002989
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4203 · $336.00 proposed penalty

  20. Combustible waste.

    violationRecord 5002988
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4104(b) · $336.00 proposed penalty

  21. Protection of gas cylinder valves.

    violationRecord 5002987
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.16006 · $226.00 proposed penalty

  22. Construction and maintenance of guards.

    violationRecord 5002986
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.14112(a)(1) · $642.00 proposed penalty

  23. Spillage and leakage.

    violationRecord 5002985
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4102 · Significant and substantial (S&S) · $3,184.00 proposed penalty

  24. Spillage and leakage.

    violationRecord 5002984
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4102 · $2,133.00 proposed penalty

  25. Spillage and leakage.

    violationRecord 5002983
    MARYNEAL QUARRY AND MILL · 4100283

    30 CFR 56.4102 · $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.

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.