Portable Plant Metal/Non-Metal
ARC AGGREGATES LLC
· Surface
Controlled by
Jacob Boyington
Warren,
Knox County,
ME
·
Active
MSHA Mine ID: 1701093
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Email me when a new MSHA incident is filed at Portable Plant.
- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2023
10
citations
2
significant & substantial
$1,713
proposed penalties
$1,713
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 | 1,500 | 1 | 1 | 666.7 |
| 2025 Q3 | 1,460 | 0 | 0 | 0.0 |
| 2025 Q2 | 1,450 | 2 | 1 | 1379.3 |
| 2025 Q1 | 1,400 | 0 | 0 | 0.0 |
| 2024 Q4 | 1,800 | 3 | 0 | 1666.7 |
| 2024 Q3 | 1,910 | 0 | 0 | 0.0 |
| 2024 Q2 | 1,920 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,476 | 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.