ALL STATUSES / OPERATOR PORTFOLIO

River Cement Company dba Buzzi Unicem USA

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

MSHA OPERATOR IDL06101

MINE PORTFOLIO

3 of 3 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
Selma Plant Quarry & Mill2300188 · Active6/8 quarters reportedJefferson, MOSurface · MSHA: Cement0505,21711120418.5
Orange Plant4101503 · AbandonedOrange, TXFacility · MSHA: Cement——00—
St Louis Terminal2301608 · AbandonedSt Louis City, MOFacility · MSHA: Cement——00—

LOCATION

Portfolio map

1 of 3 mines 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

111

17 significant & substantial (S&S)

  1. 2025 Q115
  2. 2025 Q220
  3. 2025 Q30
  4. 2025 Q422
  5. 2026 Q13
  6. 2026 Q235
  7. 2026 Q30
  8. 2026 Q4 *16

Accident records

20

0 records classified as fatality

  1. 2025 Q14
  2. 2025 Q23
  3. 2025 Q35
  4. 2025 Q41
  5. 2026 Q12
  6. 2026 Q24
  7. 2026 Q31
  8. 2026 Q4 *0

Proposed penalties · USD

65,068.00

94 of 111 violations with amounts

  1. 2025 Q123,018
  2. 2025 Q215,488
  3. 2025 Q3—
  4. 2025 Q411,691
  5. 2026 Q1511
  6. 2026 Q214,360
  7. 2026 Q3—
  8. 2026 Q4 *—

On-site inspection hours

418.50

20 inspections · 20 with hours

  1. 2025 Q16.00
  2. 2025 Q2113.75
  3. 2025 Q33.00
  4. 2025 Q4104.50
  5. 2026 Q16.50
  6. 2026 Q2149.25
  7. 2026 Q36.00
  8. 2026 Q4 *29.50
Quarterly safety data
QuarterViolationsS&SProposed USDAccident recordsFatality recordsInspectionsOn-site hours
2025-Q115123,018.004026.0
2025-Q220315,488.00302113.8
2025-Q300—5023.0
2025-Q422511,691.00102104.5
2026-Q130511.002046.5
2026-Q235514,360.00406149.3
2026-Q300—1016.0
2026-Q4 *163—00129.5

Most cited CFR sections

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

Safety activity

  1. violation9788351
    Selma Plant Quarry & Mill · 2300188

    56.12032 · $504.00 proposed

  2. violation9788350
    Selma Plant Quarry & Mill · 2300188

    56.14107(a) · $755.00 proposed

  3. violation9781971
    Selma Plant Quarry & Mill · 2300188

    56.20003(a) · $2,133.00 proposed

  4. accident220253300010
    Selma Plant Quarry & Mill · 2300188

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    On 5/13/25 EE lifted an oil bucket onto a truck with right arm and felt pain in shoulder. EE told their supervisor but didn't seek medical evaluation. When the pain persisted EE requested a doctor's appointment and was seen on 06/25/25 where they were treated for strain of rotator cuff & prescribed PT. EE had MRI on 8/1 and then surgical repair of right rotator cuff on 11/20/25.

  5. accident220252030004
    Selma Plant Quarry & Mill · 2300188

    DISORDERS (REPEATED TRAUMA) · OCCUPATNAL ILLNESS NOT DEG 1-6

    Accident narrative

    Employee reported to management on 4/1/25 of right and left hand/arm numbness. Nerve Conduction Study on 6/4/25 revealed right & left Carpal Tunnel Syndrome. EE had right hand surgery on 7/17/25 and will return to work after left hand surgery scheduled for 8/7/25 is completed.

  6. inspection7037976
    Selma Plant Quarry & Mill · 2300188

    Impoundment Spot Inspection · 2.0 on-site hours

  7. accident220250900009
    Selma Plant Quarry & Mill · 2300188

    SLIP OR FALL OF PERSON · DAYS RESTRICTED ACTIVITY ONLY

    Accident narrative

    EE was assisting other Mechanics lift one leg of the Finish Mill 1 duplex compressor north compressor with a crowbar so shims could be placed under the leg. While lifting the motor, the end of the crowbar broke and flung back against employee causing EE to fall and twist EE's right ankle in the process.

  8. accident220251070004
    Selma Plant Quarry & Mill · 2300188

    HANDLING OF MATERIALS · DAYS AWAY FROM WORK ONLY

    Accident narrative

    EE was fueling EE's loader and when EE finished EE went to lower the rubber cover over the fuel cap. As EE reached for the cover EE jammed EE's left thumb on a bracket EE didn't see. MRI reveals left thumb tendon tear. Tendon transfer surgery performed on April 11, 2025.

  9. accident220250490034
    Selma Plant Quarry & Mill · 2300188

    MACHINERY · DAYS AWAY FROM WORK ONLY

    Accident narrative

    EMPLOYEE WAS STANDING IN FRONT OF JOB TRAILER AND ONE OF THE NIGHT SHIFT FOREMEN INADVERTENTLY SHINED A LASER PEN IN THE EMPLOYEE'S DIRECTION STRIKING EE'S RIGHT EYE. THE EMPLOYEE CONTINUED TO WORK FOR THE NEXT TWO NIGHTS AND ON THE SECOND NIGHT EE REPORTED EE WAS SEEING WHITE SPOTS AND EE'S VISION WAS FUZZY AND WANTED TO BE SEEN BY A DOCTOR. EE WAS SEEN BY AN OPTOMETRIST.

  10. inspection7040596
    Selma Plant Quarry & Mill · 2300188

    Verbal Hazard Complaint Inspections · 4.0 on-site hours

  11. accident220251880007
    Selma Plant Quarry & Mill · 2300188

    HANDLING OF MATERIALS · DYS AWY FRM WRK & RESTRCTD ACT

    Accident narrative

    On 1/21/25 EE was lying on EE's back with 2" of clearance while replacing screens on C114 Screen. EE completed job and while lying on EE's back EE had to push self uphill using EE's feet and elbows. EE reported to supervisor a shoulder strain. On 3/20/25 EE saw doctor for first time. EE was given an MRI that revealed right shoulder labrum tear. Surgery was performed on 6/26/25.

  12. violation9781088
    Selma Plant Quarry & Mill · 2300188

    56.14132(a) · $313.00 proposed

  13. violation9781925
    Selma Plant Quarry & Mill · 2300188

    56.14100(b) · $1,550.00 proposed

  14. violation9781924
    Selma Plant Quarry & Mill · 2300188

    56.12028 · $1,219.00 proposed

  15. violation9781923
    Selma Plant Quarry & Mill · 2300188

    56.16003 · $398.00 proposed

  16. violation9781922
    Selma Plant Quarry & Mill · 2300188

    56.12026 · $1,320.00 proposed

  17. violation9781921
    Selma Plant Quarry & Mill · 2300188

    56.14112(b) · $398.00 proposed

  18. violation9781087
    Selma Plant Quarry & Mill · 2300188

    56.12030 · $398.00 proposed

  19. violation9781920
    Selma Plant Quarry & Mill · 2300188

    56.14100(b) · $1,550.00 proposed

  20. violation9781086
    Selma Plant Quarry & Mill · 2300188

    56.12004 · $4,749.00 proposed

  21. violation9781919
    Selma Plant Quarry & Mill · 2300188

    56.14100(b) · S&S · $7,676.00 proposed

  22. violation9781918
    Selma Plant Quarry & Mill · 2300188

    56.12018 · $504.00 proposed

  23. violation9781085
    Selma Plant Quarry & Mill · 2300188

    56.12004 · $1,431.00 proposed

  24. violation9781084
    Selma Plant Quarry & Mill · 2300188

    56.11001 · $504.00 proposed

  25. violation9781917
    Selma Plant Quarry & Mill · 2300188

    56.11001 · $504.00 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.