Portable #1 Metal/Non-Metal
Kern Brothers Trucking Inc
· Surface
Controlled by
Jerry T Kern
Arvin,
Kern County,
CA
·
Intermittent
MSHA Mine ID: 0405604
Watch this mine
Email me when a new MSHA incident is filed at Portable #1.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2005
25
citations
7
significant & substantial
$9,248
proposed penalties
$8,174
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 | 49 | 0 | 0 | 0.0 |
| 2025 Q3 | 67 | 0 | 0 | 0.0 |
| 2025 Q2 | 56 | 0 | 0 | 0.0 |
| 2025 Q1 | 84 | 0 | 0 | 0.0 |
| 2024 Q4 | 46 | 0 | 0 | 0.0 |
| 2024 Q3 | 31 | 2 | 0 | 64516.1 |
| 2024 Q2 | 45 | 0 | 0 | 0.0 |
| 2024 Q1 | 47 | 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.