ALL STATUSES / OPERATOR PORTFOLIO

UNACEM North America

Membership and operating status are from the latest MSHA Mines snapshot. Open a mine for its ownership history.

MSHA OPERATOR ID0186495

MINE PORTFOLIO

1 of 1 mines and facilities

2025-01-01 – 2026-10-18. All statuses records; production reporting is not required.

MineLocation / typeCoal · short tonsHours workedViolationsAccident recordsOn-site inspection hours
Tehachapi Cement, LLC.0400196 · Active6/8 quarters reportedKern, CAFacility · MSHA: Cement0354,215647206.8

LOCATION

Mine location

1 of 1 mine with usable MSHA coordinates. Select a marker to open a mine.

Mine coordinates

2025-01-01 – 2026-10-18Applies to production, safety and portfolio metrics. Silica samples have separate filters.

Violations

64

9 significant & substantial (S&S)

  1. 2025 Q13
  2. 2025 Q20
  3. 2025 Q315
  4. 2025 Q422
  5. 2026 Q10
  6. 2026 Q223
  7. 2026 Q31
  8. 2026 Q4 *0

Accident records

7

0 records classified as fatality

  1. 2025 Q10
  2. 2025 Q21
  3. 2025 Q31
  4. 2025 Q41
  5. 2026 Q11
  6. 2026 Q20
  7. 2026 Q33
  8. 2026 Q4 *0

Proposed penalties · USD

17,531.00

63 of 64 violations with amounts

  1. 2025 Q11,185
  2. 2025 Q2—
  3. 2025 Q34,170
  4. 2025 Q48,310
  5. 2026 Q1—
  6. 2026 Q23,866
  7. 2026 Q3—
  8. 2026 Q4 *—

On-site inspection hours

206.75

7 inspections · 7 with hours

  1. 2025 Q114.50
  2. 2025 Q2—
  3. 2025 Q360.25
  4. 2025 Q465.00
  5. 2026 Q1—
  6. 2026 Q266.00
  7. 2026 Q31.00
  8. 2026 Q4 *—
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q1311,185.0000214.5
2025-Q200—100—
2025-Q31504,170.0010160.3
2025-Q42278,310.0010165.0
2026-Q100—100—
2026-Q22313,866.0000266.0
2026-Q310—3011.0
2026-Q4 *00—000—

Most cited CFR sections

All violations issued in the selected period. Counts combine subsections.

Safety activity

  1. violation5166828
    Tehachapi Cement, LLC. · 0400196

    56.12028 · $151.00 proposed

  2. violation5166827
    Tehachapi Cement, LLC. · 0400196

    46.9(b)(2) · $151.00 proposed

  3. violation5166665
    Tehachapi Cement, LLC. · 0400196

    56.14107(a) · $193.00 proposed

  4. violation5165624
    Tehachapi Cement, LLC. · 0400196

    56.14100(b) · $151.00 proposed

  5. inspectionF0177CF
    Tehachapi Cement, LLC. · 0400196

    Verbal Hazard Complaint Inspections · 3.0 on-site hours

  6. accident220260480003
    Tehachapi Cement, LLC. · 0400196

    HANDLING OF MATERIALS · NO DYS AWY FRM WRK,NO RSTR ACT

    Accident narrative

    Worker was exiting the cooler unit and as EE was climbing out of the unit, EE hit a metal anchor that was on the wall near the exit with EE's left leg. When EE hit the anchor with EE's leg EE received a laceration.

  7. violation5166536
    Tehachapi Cement, LLC. · 0400196

    56.17001 · $151.00 proposed

  8. violation5166535
    Tehachapi Cement, LLC. · 0400196

    56.12028 · $151.00 proposed

  9. violation5166534
    Tehachapi Cement, LLC. · 0400196

    56.12032 · $226.00 proposed

  10. violation5166533
    Tehachapi Cement, LLC. · 0400196

    56.20003(a) · S&S · $1,126.00 proposed

  11. violation5166532
    Tehachapi Cement, LLC. · 0400196

    56.12032 · S&S · $1,126.00 proposed

  12. violation5166210
    Tehachapi Cement, LLC. · 0400196

    56.4201(a)(2) · $151.00 proposed

  13. violation5166209
    Tehachapi Cement, LLC. · 0400196

    56.13011 · $226.00 proposed

  14. violation5166208
    Tehachapi Cement, LLC. · 0400196

    56.12032 · S&S · $1,126.00 proposed

  15. violation5166207
    Tehachapi Cement, LLC. · 0400196

    56.14112(b) · $151.00 proposed

  16. violation5165549
    Tehachapi Cement, LLC. · 0400196

    56.12032 · S&S · $755.00 proposed

  17. violation5165548
    Tehachapi Cement, LLC. · 0400196

    56.14107(a) · $697.00 proposed

  18. violation5165547
    Tehachapi Cement, LLC. · 0400196

    56.14100(c) · $151.00 proposed

  19. inspectionF01786E
    Tehachapi Cement, LLC. · 0400196

    Regular Safety and Health Inspection · 65.0 on-site hours

  20. violation5166531
    Tehachapi Cement, LLC. · 0400196

    56.14131(a) · S&S · $165.00 proposed

  21. violation5166530
    Tehachapi Cement, LLC. · 0400196

    56.9300(d)(3) · S&S · $366.00 proposed

  22. violation5166529
    Tehachapi Cement, LLC. · 0400196

    56.18002(a) · $165.00 proposed

  23. violation5166205
    Tehachapi Cement, LLC. · 0400196

    56.4201(a)(2) · $151.00 proposed

  24. violation5166204
    Tehachapi Cement, LLC. · 0400196

    56.18002(b) · $151.00 proposed

  25. violation5166203
    Tehachapi Cement, LLC. · 0400196

    56.4201(a)(2) · $226.00 proposed

Safety sources and definitions

MSHA Violations (issue date), Accidents (accident date), and Inspections (begin date). Snapshot 2026-10-18.

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.

CFR headings link to the current Title 30 index; they are not historical legal determinations.

SELECTED PORTFOLIO

1 linked controller.

Relationships reflect the selected mine status and current MSHA controller/operator fields.