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Martin Marietta Materials Inc 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. Regular Safety and Health Inspection

    inspectionRecord F016E20
    Yellow Medicine Quarry · 2100033

    11.8 on-site hours reported

  2. Compliance Follow-up Inspection

    inspectionRecord 7103370
    Tory East Quarry · 2302213

    1.3 on-site hours reported

  3. Verbal Hazard Complaint Inspections

    inspectionRecord F01271D
    Stamper Underground · 2302232

    9.0 on-site hours reported

  4. Regular Safety and Health Inspection

    inspectionRecord F016409
    Greensboro Portable Plant 2 · 3102335

    1.0 on-site hours reported

  5. Regular Safety and Health Inspection

    inspectionRecord F00DFCD
    Garfield Sand & Gravel · 4103909

    14.3 on-site hours reported

  6. Parking procedures for unattended equipment.

    violationRecord 9798787
    Garfield Sand & Gravel · 4103909

    30 CFR 56.14207 · $151.00 proposed penalty

  7. Inspection.

    violationRecord 9798786
    Garfield Sand & Gravel · 4103909

    30 CFR 56.4201(a)(3) · $151.00 proposed penalty

  8. Regular Safety and Health Inspection

    inspectionRecord 7041737
    LaCygne Quarry · 1401471

    4.0 on-site hours reported

  9. Handling of materials

    accidentRecord 220250920039
    Yellow Medicine Quarry · 2100033

    No dys awy frm wrk,no rstr act

    Accident narrative

    Employee's hand was pinched between a plate of steel and a block of wood resulting in a laceration approximately 2.5 cm that required stitches.

  10. Impoundment Spot Inspection

    inspectionRecord F0156AF
    SISQUOC AGGREGATES · 0401959

    1.5 on-site hours reported

  11. Spot Inspection

    inspectionRecord F00BDFB
    Bluff City Mine · 1100122

    4.0 on-site hours reported

  12. Regular Safety and Health Inspection

    inspectionRecord F00FFFF
    Warfordsburg Quarry · 3600168

    11.0 on-site hours reported

  13. Extinguisher recharging or replacement.

    violationRecord 9807679
    Warfordsburg Quarry · 3600168

    30 CFR 56.4203 · $151.00 proposed penalty

  14. Regular Safety and Health Inspection

    inspectionRecord 7041736
    Sunflower Quarry · 1401556

    15.0 on-site hours reported

  15. Spot Inspection

    inspectionRecord F0044B8
    Hartford Quarry · 1500095

    11.8 on-site hours reported

  16. Non-Injury Accident Investigation

    inspectionRecord F015401
    Castle Hayne Quarry · 3100063

    3.5 on-site hours reported

  17. Spot Inspection

    inspectionRecord F00C5F3
    FAIRFIELD GRAVEL · 3301396

    9.0 on-site hours reported

  18. Horns and backup alarms.

    violationRecord 9998420
    Sunflower Quarry · 1401556

    30 CFR 56.14132(b)(1)(i) · $151.00 proposed penalty

  19. Identification of power switches.

    violationRecord 5041170
    Sunflower Quarry · 1401556

    30 CFR 56.12018 · $151.00 proposed penalty

  20. Moving machine parts.

    violationRecord 5041169
    Sunflower Quarry · 1401556

    30 CFR 56.14107(a) · Significant and substantial (S&S) · $177.00 proposed penalty

  21. Records of training.

    violationRecord 9768021
    Jeff City Quarry · 2302221

    30 CFR 46.9(a) · $151.00 proposed penalty

  22. Horns and backup alarms.

    violationRecord 9756761
    CAYCE QUARRY · 3800016

    30 CFR 56.14132(a) · $209.00 proposed penalty

  23. Fire

    accidentRecord 220250920036
    Castle Hayne Quarry · 3100063

    Accident only

    Accident narrative

    A tree fell on mine property due to high wind, causing it to fall on a powerline, causing it to arc. This resulted in two brush fires to start burning on the mine property.

  24. Fire

    accidentRecord 220250910010
    North Columbia Quarry · 3800146

    Accident only

    Accident narrative

    Upon arrival at the mine site a brush fire was located on the back side of the property between the pit and rail line. This area is away from the plant and consequently did not expose miners to the hazard. 800 number called. Fire extinguished and monitored by local fire department.

  25. Spot Inspection

    inspectionRecord F019D0B
    SDI Aggregates LLC · 0801336

    11.5 on-site hours reported

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.