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Taiheiyo Cement Corp 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. Access to stationary electrical equipment or switchgear.

    violationRecord 5245020
    Mojave Plant & Quarry · 0400036

    30 CFR 56.12019

  2. Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.

    violationRecord 5166759
    Mojave Plant & Quarry · 0400036

    30 CFR 50.30(a)

  3. General requirements.

    violationRecord 5166758
    Mojave Plant & Quarry · 0400036

    30 CFR 56.4200(a)(2)

  4. Combustible waste.

    violationRecord 5166757
    Mojave Plant & Quarry · 0400036

    30 CFR 56.4104(b)

  5. Splices and repairs of power cables.

    violationRecord 5245019
    Mojave Plant & Quarry · 0400036

    30 CFR 56.12013(b)

  6. Moving machine parts.

    violationRecord 5166756
    Mojave Plant & Quarry · 0400036

    30 CFR 56.14107(a)

  7. Regular Safety and Health Inspection

    inspectionRecord F030FB7
    Mojave Plant & Quarry · 0400036

    0.0 on-site hours reported

  8. Safe access.

    violationRecord 5166755
    Mojave Plant & Quarry · 0400036

    30 CFR 56.11001 · Significant and substantial (S&S)

  9. Moving machine parts.

    violationRecord 5166754
    Mojave Plant & Quarry · 0400036

    30 CFR 56.14107(a) · Significant and substantial (S&S)

  10. Inspection and cover plates.

    violationRecord 5166753
    Mojave Plant & Quarry · 0400036

    30 CFR 56.12032

  11. Examination of working places.

    violationRecord 5166752
    Mojave Plant & Quarry · 0400036

    30 CFR 56.18002(b) · Significant and substantial (S&S)

  12. Housekeeping.

    violationRecord 5166751
    Mojave Plant & Quarry · 0400036

    30 CFR 56.20003(a)

  13. Machinery

    accidentRecord 220262740037
    Redding Plant · 0400034

    Days away from work only

    Accident narrative

    Clearing a chunk of cement through a port and cement flushed out of the port and got into the left eye of the employee.

  14. Spot Inspection

    inspectionRecord F0388C0
    Lake View Quarry · 2602386

    7.0 on-site hours reported

  15. Slip or fall of person

    accidentRecord 220262730008
    Snoqualmie S&G dba CalPortland Company · 4503136

    Days away from work only

    Accident narrative

    Employee stepped out of EE's dump truck while at the Snoqualmie Agg site. As EE turned to walk away from the cab, EE felt a pop in EE's left knee. EE did not think it was serious and continued to work. The symptoms worsened over the weekend and then reported the injury Monday morning on 9/28/2026. At this moment, EE has been prescribed Lost Time from 9/28 - 10/6.

  16. Handling of materials

    accidentRecord 220262710023
    Redding Plant · 0400034

    Days away from work only

    Accident narrative

    EE was removing and replacing light ballasts in various locations throughout the facility and on 9/21 reported their left arm was injured due to the repetitive task they were performing. EE was diagnosed with tennis elbow.

  17. Compliance Follow-up Inspection

    inspectionRecord F046E3F
    RILLITO PLANT · 0201138

    1.8 on-site hours reported

  18. Special Emphasis Programs

    inspectionRecord F030F88
    White River Quarry · 4503374

    3.8 on-site hours reported

  19. Other

    accidentRecord 220262580010
    RILLITO PLANT · 0201138

    No dys awy frm wrk,no rstr act

    Accident narrative

    Supervisor was removing an employee from site for cause when an altercation occurred.

  20. Spot Inspection

    inspectionRecord F03A41F
    Dupont Pit · 4503334

    0.0 on-site hours reported

  21. General instructions for completing MSHA Form 7000-1.

    violationRecord 5107685
    Dupont Pit · 4503334

    30 CFR 50.20-1 · $151.00 proposed penalty

  22. Spot Inspection

    inspectionRecord F047362
    ORANGE GROVE · 0201203

    0.5 on-site hours reported

  23. Spot Inspection

    inspectionRecord F047360
    Twin Peaks Aggregate · 0202283

    0.5 on-site hours reported

  24. Preparation and submission of MSHA Form 7000-2—Quarterly Employment and Coal Production Report.

    violationRecord 5160027
    Diablo Plant # 136 · 0203350

    30 CFR 50.30(a)

  25. Construction and maintenance of guards.

    violationRecord 5166322
    Scheerer Quarry · 0405907

    30 CFR 56.14112(b) · $151.00 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.