PLANT # 3 Metal/Non-Metal
ONYX CRUSHING AZ LLC
· Surface
Controlled by
Terry Lynn Clark; Kevin George Schoonover
Salome,
La Paz County,
AZ
·
Intermittent
MSHA Mine ID: 0203523
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2025
2
citations
0
significant & substantial
$302
proposed penalties
$151
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 5,400 | 0 | 0 | 0.0 |
| 2025 Q3 | 2,162 | 0 | 0 | 0.0 |
| 2025 Q2 | 8,583 | 1 | 0 | 116.5 |
| 2025 Q1 | 2,201 | 0 | 0 | 0.0 |
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.