Rio Tinto Mine Metal/Non-Metal
Kiewit
· Surface
Controlled by
Kiewit Infrastructure Group Inc
Boron,
Kern County,
CA
·
Abandoned
MSHA Mine ID: 0405925
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2018
3
citations
0
significant & substantial
$357
proposed penalties
$357
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 |
|---|---|---|---|---|
| 2019 Q2 | 260 | 0 | 0 | 0.0 |
| 2019 Q1 | 1,216 | 0 | 0 | 0.0 |
| 2018 Q4 | 2,448 | 0 | 0 | 0.0 |
| 2018 Q3 | 2,825 | 2 | 0 | 708.0 |
| 2018 Q2 | 808 | 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.