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Minerals Technologies Inc safety activity

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

2025-01-01 – 2026-10-28Database snapshot · 2026-10-28

Safety activity

  1. Berms or guardrails.

    violationRecord 5212382
    GASCOYNE MINE & MILL · 3200459

    30 CFR 56.9300(b)

  2. Verbal Hazard Complaint Inspections

    inspectionRecord F03F2B7
    GASCOYNE MINE & MILL · 3200459

    2.3 on-site hours reported

  3. Regular Safety and Health Inspection

    inspectionRecord F03F2B6
    GASCOYNE MINE & MILL · 3200459

    14.5 on-site hours reported

  4. Regular Safety and Health Inspection

    inspectionRecord F032944
    BELLE FOURCHE MILL · 3900049

    6.0 on-site hours reported

  5. Safety defects; examination, correction and records.

    violationRecord 5212383
    GASCOYNE MINE & MILL · 3200459

    30 CFR 56.14100(d)

  6. Safety defects; examination, correction and records.

    violationRecord 5212381
    GASCOYNE MINE & MILL · 3200459

    30 CFR 56.14100(a)

  7. Testing grounding systems.

    violationRecord 5212269
    BELLE FOURCHE MILL · 3900049

    30 CFR 56.12028

  8. Non-Fatal Accident Investigation

    inspectionRecord F039DBE
    ADAMS · 1900035

    9.8 on-site hours reported

  9. Immediate notification.

    violationRecord 5079576
    ADAMS · 1900035

    30 CFR 50.10(b) · Significant and substantial (S&S)

  10. Procedures during repairs or maintenance.

    violationRecord 5079575
    ADAMS · 1900035

    30 CFR 56.14105 · Significant and substantial (S&S)

  11. Powered haulage

    accidentRecord 220262440006
    ADAMS · 1900035

    Days away from work only

    Accident narrative

    Miner was performing setup activities to operate a vacuum truck when EE's right foot and lower leg became stuck in a 6" diameter suction hose. Right lower extremity became swelled and required transportation via ambulance to a local hospital for further treatment.

  12. Regular Safety and Health Inspection

    inspectionRecord F03B8D2
    BELLE FOURCHE MILL · 3900049

    10.0 on-site hours reported

  13. Inspection and cover plates.

    violationRecord 5211155
    BELLE FOURCHE MILL · 3900049

    30 CFR 56.12032 · $151.00 proposed penalty

  14. Inspection and cover plates.

    violationRecord 5211154
    BELLE FOURCHE MILL · 3900049

    30 CFR 56.12032 · $151.00 proposed penalty

  15. Regular Safety and Health Inspection

    inspectionRecord F03AB60
    SANDY RIDGE MILL · 0100093

    12.5 on-site hours reported

  16. Handrails and toeboards.

    violationRecord 5193258
    SANDY RIDGE MILL · 0100093

    30 CFR 56.11002 · $151.00 proposed penalty

  17. Regular Safety and Health Inspection

    inspectionRecord F000586
    Specialty Minerals Inc. · 2302564

    6.0 on-site hours reported

  18. Slip or fall of person

    accidentRecord 220262190028
    Canaan · 0600019

    Days away from work only

    Accident narrative

    A miner was walking to the locker room from RM area when they tripped on a layflat rug and fell down. EE was able call for assistance which arrived quickly. First aid started with a cool compress. The miner was taken to the local urgent care for evaluation which determined they sustained a right ankle sprain. A splint and crutches were provided, a follow up provided a walking boot.

  19. Slip or fall of person

    accidentRecord 220261950035
    Canaan · 0600019

    Days away from work only

    Accident narrative

    As employee was climbing into their truck at the mine, their hand slipped off the handhold and they fell to the ground. Employee sustained a strain to their right hip and back.

  20. Compliance Follow-up Inspection

    inspectionRecord F0175F9
    GASCOYNE MINE & MILL · 3200459

    2.0 on-site hours reported

  21. Testing grounding systems.

    violationRecord 5212127
    GASCOYNE MINE & MILL · 3200459

    30 CFR 56.12028 · $818.00 proposed penalty

  22. Regular Safety and Health Inspection

    inspectionRecord F031211
    GASCOYNE MINE & MILL · 3200459

    17.8 on-site hours reported

  23. Testing grounding systems.

    violationRecord 5166944
    Lucerne Valley Plant and Quarry · 0400219

    30 CFR 56.12028 · $151.00 proposed penalty

  24. Storage facilities.

    violationRecord 5212126
    GASCOYNE MINE & MILL · 3200459

    30 CFR 56.4430(a)(3) · Significant and substantial (S&S) · $1,550.00 proposed penalty

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

    violationRecord 5212125
    GASCOYNE MINE & MILL · 3200459

    30 CFR 48.27(a) · Significant and substantial (S&S) · $5,716.00 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.