Mining Incidents

Portable Plant #1 Metal/Non-Metal

Controlled by Daniel Marcus Frost
Mexia, Limestone County, TX  ·  Active
MSHA Mine ID: 4103721

Portable Plant #1 has $40K in proposed MSHA penalties and $4K outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Email me when a new MSHA incident is filed at Portable Plant #1.

Fatalities
0
Total incidents
2
Years on record
2008–2022
Latest incident
Aug 2022
Compliance record
MSHA citations since 2000
154
citations
38
significant & substantial
$40,211
proposed penalties
$35,136
paid to date
87% of proposed penalties paid to date, a $5,075 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
75
inspections on record
1,179
inspection hours
13.1
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.
154 citations across 1,179 inspection hours.
Source: MSHA inspections data, updated weekly.

Portable Plant #1 has $40K in proposed MSHA penalties and $4K outstanding across 5 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.
$40K
proposed penalties
$40K
current assessed
$35K
paid to date
$4K
outstanding
149 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2026-04-28.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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 33,020 3 0 90.9
2025 Q3 33,735 0 0 0.0
2025 Q2 34,450 1 0 29.0
2025 Q1 35,875 0 0 0.0
2024 Q4 35,880 1 0 27.9
2024 Q3 20,930 0 0 0.0
2024 Q2 23,075 0 0 0.0
2024 Q1 23,075 3 0 130.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 20,930 0 0 0.0
2023 Q3 16,380 3 1 183.2
2023 Q2 20,930 2 0 95.6
2023 Q1 23,075 0 0 0.0
2022 Q4 22,295 2 0 89.7
2022 Q3 20,215 0 0 0.0
2022 Q2 22,360 0 0 0.0
2022 Q1 23,218 0 0 0.0
2021 Q4 20,280 0 0 0.0
2021 Q3 20,930 0 0 0.0
2021 Q2 19,838 1 0 50.4
2021 Q1 19,565 1 0 51.1
2020 Q4 18,850 0 0 0.0
2020 Q3 20,215 3 1 148.4
2020 Q2 20,280 0 0 0.0
2020 Q1 21,005 0 0 0.0
2019 Q4 19,630 0 0 0.0
2019 Q3 20,995 0 0 0.0
2019 Q2 23,205 0 0 0.0
2019 Q1 21,775 0 0 0.0
2018 Q4 17,485 0 0 0.0
2018 Q3 20,215 1 0 49.5
2018 Q2 20,215 0 0 0.0
2018 Q1 19,500 0 0 0.0
2017 Q4 19,500 6 2 307.7
2017 Q3 20,215 0 0 0.0
2017 Q2 21,645 3 2 138.6
2017 Q1 23,075 2 1 86.7
2016 Q4 20,215 0 0 0.0
2016 Q3 21,645 2 0 92.4
2016 Q2 18,785 0 0 0.0
2016 Q1 21,645 0 0 0.0
2015 Q4 20,930 3 1 143.3
2015 Q3 25,870 3 0 116.0
2015 Q2 24,050 0 0 0.0
2015 Q1 23,725 1 0 42.1
2014 Q4 23,010 0 0 0.0
2014 Q3 20,020 0 0 0.0
2014 Q2 18,018 0 0 0.0
2014 Q1 18,070 1 0 55.3
2013 Q4 17,810 0 0 0.0
2013 Q3 21,593 0 0 0.0
2013 Q2 19,500 1 0 51.3
2013 Q1 20,150 0 0 0.0
2012 Q4 20,150 2 1 99.3
2012 Q3 17,355 2 0 115.2
2012 Q2 14,495 0 0 0.0
2012 Q1 12,480 1 0 80.1
2011 Q4 13,780 0 0 0.0
2011 Q3 11,830 2 0 169.1
2011 Q2 12,350 0 0 0.0
2011 Q1 19,500 1 0 51.3
2010 Q4 16,900 0 0 0.0
2010 Q3 23,010 3 0 130.4
2010 Q2 21,645 0 0 0.0
2010 Q1 20,930 2 0 95.6
2009 Q4 17,030 0 0 0.0
2009 Q3 16,965 0 0 0.0
2009 Q2 18,330 1 0 54.6
2009 Q1 22,880 0 0 0.0
2008 Q4 27,885 0 0 0.0
2008 Q3 41,730 0 0 0.0
2008 Q2 45,045 8 2 177.6
2008 Q1 35,750 0 0 0.0
2007 Q4 35,035 4 0 114.2
2007 Q3 33,800 0 0 0.0
2007 Q2 36,010 0 0 0.0
2007 Q1 33,930 5 0 147.4
2006 Q4 33,930 0 0 0.0
2006 Q3 35,360 0 0 0.0
2006 Q2 25,350 0 0 0.0
2006 Q1 22,100 1 0 45.2
2005 Q4 21,450 0 0 0.0
2005 Q3 21,400 0 0 0.0
2005 Q2 21,125 3 0 142.0
2005 Q1 21,125 0 0 0.0
2004 Q4 19,825 2 0 100.9
2004 Q3 18,499 0 0 0.0
2004 Q2 23,550 2 0 84.9
2004 Q1 16,725 0 0 0.0
2003 Q4 19,490 0 0 0.0
2003 Q3 16,549 0 0 0.0
2003 Q2 16,888 0 0 0.0
2003 Q1 12,463 0 0 0.0
2002 Q4 9,945 3 0 301.7
2002 Q3 13,623 0 0 0.0
2002 Q2 18,519 10 4 540.0
2002 Q1 12,613 0 0 0.0
2001 Q4 15,317 16 6 1044.6
2001 Q3 13,989 6 2 428.9
2001 Q2 11,614 0 0 0.0
2001 Q1 8,698 0 0 0.0
2000 Q4 8,455 12 5 1419.3
2000 Q3 10,380 0 0 0.0
2000 Q2 8,710 1 0 114.8
2000 Q1 8,822 17 9 1927.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2022 · 1 incident

August 2, 2022 TX · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Frost Crushed Stone Company Inc · Fall from machine

Employee was in a manlift approximately 2 feet off of the ground cutting off a piece of metal. Once the cut was completed the employee pushed the cut piece away from them and employee said something hung their glove and pulled them out of the manlift. Employee landed on their shoulder separating it

2008 · 1 incident

May 6, 2008 TX · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Frost Crushed Stone Company Inc · Caught in, under or between running or meshing objects

Climbed up on side of crusher while it was operating, caught arm in head pulley. It dismembered arm at elbow.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #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.