Portable #1 Metal/Non-Metal
Thompson Materials
· Surface
Controlled by
Moriah TFS Holdings LLC
Stanton,
Martin County,
TX
·
Intermittent
MSHA Mine ID: 4105022
Portable #1 has $10K in proposed MSHA penalties and $1K outstanding across 1 contested dockets, plus health sampling and the full incident record.
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- 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
$8,601
paid to date
89% of proposed penalties paid to date, a $1,047 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2013
26
inspections on record
269
inspection hours
n/a
citations per 100 inspection hours
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Rate withheld: 269 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable #1 has $10K in proposed MSHA penalties and $1K outstanding across 1 contested dockets.
Penalty disposition
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.$10K
proposed penalties
$10K
current assessed
$9K
paid to date
$1K
outstanding
50 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2026-03-18.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
Quarterly safety rates
ⓘ
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.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 |
Show 27 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2021 Q1 | 1,440 | 0 | 0 | 0.0 |
| 2020 Q4 | 363 | 0 | 0 | 0.0 |
| 2020 Q3 | 580 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,700 | 0 | 0 | 0.0 |
| 2020 Q1 | 1,260 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,740 | 3 | 0 | 1724.1 |
| 2019 Q3 | 1,840 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,740 | 0 | 0 | 0.0 |
| 2019 Q1 | 1,700 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,700 | 3 | 0 | 1764.7 |
| 2018 Q3 | 1,860 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,300 | 0 | 0 | 0.0 |
| 2018 Q1 | 2,260 | 7 | 0 | 3097.3 |
| 2017 Q4 | 1,920 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,568 | 0 | 0 | 0.0 |
| 2017 Q2 | 1,840 | 0 | 0 | 0.0 |
| 2017 Q1 | 1,310 | 5 | 2 | 3816.8 |
| 2016 Q4 | 320 | 0 | 0 | 0.0 |
| 2016 Q3 | 320 | 0 | 0 | 0.0 |
| 2016 Q2 | 320 | 7 | 3 | 21875.0 |
| 2016 Q1 | 300 | 0 | 0 | 0.0 |
| 2014 Q4 | 96 | 3 | 2 | 31250.0 |
| 2014 Q3 | 4,128 | 3 | 0 | 726.7 |
| 2014 Q2 | 3,312 | 1 | 0 | 301.9 |
| 2014 Q1 | 4,312 | 6 | 5 | 1391.5 |
| 2013 Q4 | 4,211 | 0 | 0 | 0.0 |
| 2013 Q3 | 4,143 | 4 | 0 | 965.5 |
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.
For insurers, brokers, and safety consultants
The full compliance file on Portable #1
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.