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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. Spot Inspection

    inspectionRecord F007856
    Forks of the River Quarry · 4001610

    6.0 on-site hours reported

  2. Impoundment Spot Inspection

    inspectionRecord F039E21
    SISQUOC AGGREGATES · 0401959

    1.5 on-site hours reported

  3. Regular Safety and Health Inspection

    inspectionRecord F03AC78
    Fort Myers Quarry · 0801203

    26.5 on-site hours reported

  4. Regular Safety and Health Inspection

    inspectionRecord F031A16
    Woodleaf Quarry · 3100069

    15.5 on-site hours reported

  5. Spot Inspection

    inspectionRecord F015CC3
    Murfreesboro Quarry & Mill · 4000053

    11.0 on-site hours reported

  6. Inspection and cover plates.

    violationRecord 5069854
    St. Marys Sand · 0901199

    30 CFR 56.12032 · $177.00 proposed penalty

  7. Securing gas cylinders.

    violationRecord 5069853
    St. Marys Sand · 0901199

    30 CFR 56.16005 · $151.00 proposed penalty

  8. Protective equipment and clothing for hazards and irritants.

    violationRecord 9780653
    Bluff City Mine · 1100122

    30 CFR 57.15006 · Significant and substantial (S&S) · $2,312.00 proposed penalty

  9. Training of miners assigned to a task in which they have had no previous experience; minimum courses of instruction.

    violationRecord 9780652
    Bluff City Mine · 1100122

    30 CFR 48.27(c) · Significant and substantial (S&S) · $7,676.00 proposed penalty

  10. Work on power circuits.

    violationRecord 9780651
    Bluff City Mine · 1100122

    30 CFR 57.12017 · Significant and substantial (S&S) · $8,529.00 proposed penalty

  11. Parking procedures for unattended equipment.

    violationRecord 5061143
    Woodleaf Quarry · 3100069

    30 CFR 56.14207 · $151.00 proposed penalty

  12. Handling of materials

    accidentRecord 220260910013
    Barnhart Quarry · 2302469

    No dys awy frm wrk,no rstr act

    Accident narrative

    The cone crusher stopped working, the employee traveled out of the plant shack to turn off the belts in the plant. Upon returning back to the plant shack they experienced pain in their right knee. On 3.23.26 the employee received an injection in their knee making the injury reportable.

  13. Spot Inspection

    inspectionRecord F02D6D1
    BALLGROUND MINE SITE · 0900955

    11.0 on-site hours reported

  14. Regular Safety and Health Inspection

    inspectionRecord F03A892
    St. Marys Sand · 0901199

    20.0 on-site hours reported

  15. Spot Inspection

    inspectionRecord F007347
    Bluff City Mine · 1100122

    0.0 on-site hours reported

  16. Regular Safety and Health Inspection

    inspectionRecord F03EE21
    REIDSVILLE QUARRY · 3100068

    3.3 on-site hours reported

  17. Regular Safety and Health Inspection

    inspectionRecord F02DDA0
    Smithson Valley Quarry · 4104108

    4.5 on-site hours reported

  18. Regular Safety and Health Inspection

    inspectionRecord F02676E
    BURNING SPRINGS MINE · 4608862

    24.0 on-site hours reported

  19. Protection of persons at switchgear.

    violationRecord 9780655
    Bluff City Mine · 1100122

    30 CFR 57.12020 · $209.00 proposed penalty

  20. Regular Safety and Health Inspection

    inspectionRecord F020369
    DOUGLAS PLANT · 0200022

    3.5 on-site hours reported

  21. Handling of materials

    accidentRecord 220260820021
    NATIVIDAD PLANT · 0400156

    Dys awy frm wrk & restrctd act

    Accident narrative

    During the process of replacing clips (brackets) in the Filter Press, EE was accessing the area behind the door to install on clips, when they suddenly twisted their right ankle.

  22. Handtools (nonpowered)

    accidentRecord 220260780023
    New Braunfels Plant · 4100078

    Days restricted activity only

    Accident narrative

    Miner sustained a shoulder injury while using a sledgehammer to hit a pipe to clear a plugged line.

  23. Handling of materials

    accidentRecord 220260820005
    Montevallo Quarry & Mill · 0100040

    Days away from work only

    Accident narrative

    EE had clocked out and was in the contractor parking lot at EE's car. EE removed EE's boots and banged them together to shake off excess mud, dirt, and lime, which got into EE's left eye.

  24. Regular Safety and Health Inspection

    inspectionRecord F01EB42
    Plant # 1 · 2301929

    5.3 on-site hours reported

  25. Verbal Hazard Complaint Inspections

    inspectionRecord F026AC9
    Crab Orchard Mine and Mill · 4000087

    8.3 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.