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Asarco LLC 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. Inspection.

    violationRecord 5058988
    Hayden Concentrator · 0200826

    30 CFR 56.4201(a)(2) · $697.00 proposed penalty

  2. Handling of materials

    accidentRecord 220260970019
    RAY MINE · 0200150

    No dys awy frm wrk,no rstr act

    Accident narrative

    Employee was crawling out of CR02 chute after using a jack hammer to break rock plugging chute. Employee was pushing the jackhammer in front of EE. it caught a rock causing the bit end to pop up towards the employee, striking EE in the teeth. resulting in a broken tooth.

  3. Regular Safety and Health Inspection

    inspectionRecord F027839
    Hayden Concentrator · 0200826

    87.0 on-site hours reported

  4. Slip or fall of person

    accidentRecord 220260920027
    RAY MINE · 0200150

    Days restricted activity only

    Accident narrative

    Operator was changing out a bit; they stepped off of the deck and when their left foot made contact with the lower deck of the drill, they felt their left ankle roll to the outside and felt sharp pain in the left knee.

  5. Verbal Hazard Complaint Inspections

    inspectionRecord F013EE3
    SILVER BELL MINING LLC · 0200134

    6.0 on-site hours reported

  6. 103 (g) Written Notification Hazard Complaint Inspectio

    inspectionRecord F013EE2
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    9.0 on-site hours reported

  7. Disorders (repeated trauma)

    accidentRecord 220260890042
    RAY MINE · 0200150

    Occupatnal illness not deg 1-6

    Accident narrative

    Employee was diagnosed with a standard threshold shift by Dr on 03/19/2026, this hearing loss is consistent with noise induced loss in the left ear

  8. Impoundment Spot Inspection

    inspectionRecord F004808
    Hayden Concentrator · 0200826

    3.3 on-site hours reported

  9. Impoundment Spot Inspection

    inspectionRecord F004807
    RAY MINE · 0200150

    6.5 on-site hours reported

  10. Impoundment Spot Inspection

    inspectionRecord F004806
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    2.0 on-site hours reported

  11. Verbal Hazard Complaint Inspections

    inspectionRecord F0370CD
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    5.8 on-site hours reported

  12. Dump site restraints.

    violationRecord 5058738
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    30 CFR 56.9301 · Significant and substantial (S&S) · $1,679.00 proposed penalty

  13. Verbal Hazard Complaint Inspections

    inspectionRecord F004805
    RAY MINE · 0200150

    3.3 on-site hours reported

  14. Slip or fall of person

    accidentRecord 220260620009
    SILVER BELL MINING LLC · 0200134

    Days away from work only

    Accident narrative

    EE was stepping off the Haul Truck ladder onto uneven ground, when EE felt and heard a loud pop, and states EE felt instant pain.

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

    violationRecord 5036985
    SILVER BELL MINING LLC · 0200134

    30 CFR 50.30(a) · $151.00 proposed penalty

  16. Identification of power switches.

    violationRecord 5030901
    SILVER BELL MINING LLC · 0200134

    30 CFR 56.12018 · $151.00 proposed penalty

  17. Regular Safety and Health Inspection

    inspectionRecord F00E3E0
    SILVER BELL MINING LLC · 0200134

    22.0 on-site hours reported

  18. Verbal Hazard Complaint Inspections

    inspectionRecord F004804
    SILVER BELL MINING LLC · 0200134

    12.8 on-site hours reported

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

    violationRecord 5052178
    SILVER BELL MINING LLC · 0200134

    30 CFR 48.27(a)(1) · $2,371.00 proposed penalty

  20. First-aid materials.

    violationRecord 5052177
    SILVER BELL MINING LLC · 0200134

    30 CFR 56.15001

  21. First-aid materials.

    violationRecord 5052176
    SILVER BELL MINING LLC · 0200134

    30 CFR 56.15001 · Significant and substantial (S&S) · $4,871.00 proposed penalty

  22. Identification of power switches.

    violationRecord 5034170
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    30 CFR 56.12018 · $465.00 proposed penalty

  23. Moving machine parts.

    violationRecord 5034169
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    30 CFR 56.14107(a) · Significant and substantial (S&S) · $8,315.00 proposed penalty

  24. Storage of hazardous materials.

    violationRecord 5034168
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    30 CFR 56.16003 · $209.00 proposed penalty

  25. Protection of power conductors from mobile equipment.

    violationRecord 5034167
    MISSION/SAN XAVIER/EISENHOWER · 0200135

    30 CFR 56.12005 · $209.00 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.