Mathewson Pit Metal/Non-Metal
The Philip H Mathewson Co Inc
· Surface
Controlled by
Philip H Mathewson
PETERBOROUGH,
Hillsborough County,
NH
·
Active
MSHA Mine ID: 2700310
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- Fatalities
- 0
- Total incidents
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2001
21
citations
3
significant & substantial
$2,728
proposed penalties
$2,275
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 | 590 | 0 | 0 | 0.0 |
| 2025 Q3 | 625 | 4 | 0 | 6400.0 |
| 2025 Q2 | 618 | 0 | 0 | 0.0 |
| 2025 Q1 | 318 | 0 | 0 | 0.0 |
| 2024 Q4 | 502 | 0 | 0 | 0.0 |
| 2024 Q3 | 532 | 0 | 0 | 0.0 |
| 2024 Q2 | 510 | 0 | 0 | 0.0 |
| 2024 Q1 | 424 | 9 | 1 | 21226.4 |
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.