Portable #1 Metal/Non-Metal
Thompson Materials
· Surface
Controlled by
Moriah TFS Holdings LLC
Stanton,
Martin County,
TX
·
Intermittent
MSHA Mine ID: 4105022
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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 2013
50
citations
13
significant & substantial
$9,648
proposed penalties
$8,148
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 | 950 | 0 | 0 | 0.0 |
| 2025 Q3 | 780 | 3 | 1 | 3846.2 |
| 2025 Q2 | 957 | 0 | 0 | 0.0 |
| 2025 Q1 | 960 | 0 | 0 | 0.0 |
| 2024 Q4 | 960 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,020 | 1 | 0 | 980.4 |
| 2024 Q2 | 119 | 0 | 0 | 0.0 |
| 2021 Q2 | 1,440 | 1 | 0 | 694.4 |
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.