Mining Incidents

Liberty Portable Plant Metal/Non-Metal

Linn, Osage County, MO  ·  Active
MSHA Mine ID: 2302295

Liberty Portable Plant has $4K in proposed MSHA penalties and $100 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
7
Years on record
2009–2025
Latest incident
Oct 2025
Compliance record
MSHA citations since 2007
30
citations
4
significant & substantial
$4,106
proposed penalties
$4,006
paid to date
98% of proposed penalties paid to date, a $100 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
54
inspections on record
588
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: 588 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Liberty Portable Plant has $4K in proposed MSHA penalties and $100 outstanding across 0 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.
$4K
proposed penalties
$4K
current assessed
$4K
paid to date
$100
outstanding
30 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-03-18.
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 1,814 0 0 0.0
2025 Q3 6,258 0 0 0.0
2025 Q2 6,735 0 0 0.0
2025 Q1 3,352 1 0 298.3
2024 Q4 4,474 0 0 0.0
2024 Q3 4,566 1 0 219.0
2024 Q2 5,811 0 0 0.0
2024 Q1 7,128 1 0 140.3
Show 78 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 5,758 0 0 0.0
2023 Q3 5,104 0 0 0.0
2023 Q2 6,099 0 0 0.0
2023 Q1 3,977 0 0 0.0
2022 Q4 4,848 0 0 0.0
2022 Q3 6,263 0 0 0.0
2022 Q2 7,183 0 0 0.0
2022 Q1 3,576 1 0 279.6
2021 Q4 5,769 0 0 0.0
2021 Q3 7,964 0 0 0.0
2021 Q2 4,154 0 0 0.0
2021 Q1 4,411 1 0 226.7
2020 Q4 3,972 0 0 0.0
2020 Q3 5,607 1 0 178.3
2020 Q2 4,036 0 0 0.0
2020 Q1 6,034 0 0 0.0
2019 Q4 5,891 0 0 0.0
2019 Q3 6,828 1 0 146.5
2019 Q2 7,495 0 0 0.0
2019 Q1 5,003 0 0 0.0
2018 Q4 4,617 0 0 0.0
2018 Q3 5,157 0 0 0.0
2018 Q2 6,132 0 0 0.0
2018 Q1 6,058 2 0 330.1
2017 Q4 4,830 0 0 0.0
2017 Q3 7,093 0 0 0.0
2017 Q2 6,271 0 0 0.0
2017 Q1 5,178 0 0 0.0
2016 Q4 4,908 0 0 0.0
2016 Q3 6,862 0 0 0.0
2016 Q2 7,106 2 0 281.5
2016 Q1 4,449 0 0 0.0
2015 Q4 6,913 1 0 144.7
2015 Q3 6,054 1 1 165.2
2015 Q2 8,758 0 0 0.0
2015 Q1 7,494 1 0 133.4
2014 Q4 5,424 0 0 0.0
2014 Q3 5,854 0 0 0.0
2014 Q2 6,750 0 0 0.0
2014 Q1 6,262 1 0 159.7
2013 Q4 6,290 0 0 0.0
2013 Q3 5,763 0 0 0.0
2013 Q2 6,807 1 0 146.9
2013 Q1 5,355 0 0 0.0
2012 Q4 7,067 0 0 0.0
2012 Q3 6,327 1 0 158.1
2012 Q2 7,175 0 0 0.0
2012 Q1 4,712 2 0 424.4
2011 Q4 3,298 0 0 0.0
2011 Q3 5,127 0 0 0.0
2011 Q2 5,814 0 0 0.0
2011 Q1 4,771 0 0 0.0
2010 Q4 5,135 1 0 194.7
2010 Q3 6,872 0 0 0.0
2010 Q2 6,311 1 0 158.5
2010 Q1 4,931 0 0 0.0
2009 Q4 5,081 1 0 196.8
2009 Q3 5,971 0 0 0.0
2009 Q2 5,690 2 0 351.5
2009 Q1 3,456 0 0 0.0
2008 Q4 4,724 1 1 211.7
2008 Q3 6,092 0 0 0.0
2008 Q2 5,097 0 0 0.0
2008 Q1 4,928 0 0 0.0
2007 Q4 6,517 0 0 0.0
2007 Q3 7,402 2 1 270.2
2007 Q2 4,931 0 0 0.0
2007 Q1 6,368 1 1 157.0
2006 Q4 5,260 0 0 0.0
2006 Q3 5,550 0 0 0.0
2006 Q2 6,360 0 0 0.0
2006 Q1 5,938 0 0 0.0
2005 Q4 5,982 0 0 0.0
2005 Q3 8,078 0 0 0.0
2005 Q2 7,044 0 0 0.0
2005 Q1 5,883 0 0 0.0
2004 Q4 4,530 0 0 0.0
2004 Q3 3,046 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2025 · 1 incident

October 10, 2025 MO · Metal/Non-Metal refuse truck driver, backfill truck driver, stock pile truck driver HANDTOOLS (NONPOWERED)
Capital Quarries Company · Over-exertion (Not Elsewhere Classified)

Employee straightened after stemming a hole and felt a sharp pain in EE's right pectoral muscle that didn't go away for the rest of the day. Commented on it to 2 other EE's. Dull ache with certain movements triggering more intense pain. Worsened over the weekend.

2020 · 2 incidents

June 29, 2020 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Capital Quarries Company · Caught in, under or between a moving and a stationary object

Employee was adjusting impact crusher and one employee was raising and lowering cylinder and other employee was turning nut. When the one employee turned the nut the other employee pushed lever to lower cylinder, the other employee stuck hand back in quickly to re adjust and smashed two finger tips

April 8, 2020 MO · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Capital Quarries Company · Fall to the walkway or working surface

Employee walked up a bank to spray paint boundary line and turned to walked back down and feet came out from underneath EE and jarred EE's neck.

2017 · 1 incident

October 5, 2017 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Capital Quarries Company · Fall onto or against objects

While climbing down off the machine the employee missed the last step of a two step ladder and turn and hit knee on the out rigger of the truck.

2016 · 1 incident

August 9, 2016 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Capital Quarries Company · Struck by flying object

The employee was dislodging a rock that was hung in a conveyor and a piece came back and struck above left eye above safety glasses.

2012 · 1 incident

October 10, 2012 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Capital Quarries Company · Caught in, under or between a moving and a stationary object

The EE was in the process of locking up site. He walked over to the pit area and had to close the sliding gate and lock it. While doing so the EE pinched his two fingers between two fixed pieces of metal causing a small cut on 2 fingers. The EE received stitches at the local hospital.

2009 · 1 incident

February 12, 2009 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
Capital Quarries Company · (Not Elsewhere Classified)

Employee stated that he skipped the 2007 hearing test so two years went by between tests. He stated that he had been wearing all hearing protection needed while running equipment. He believes his age has played a part in the hearing loss.

For insurers, brokers, and safety consultants

The full compliance file on Liberty Portable Plant

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.