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Portable Plant #4 Metal/Non-Metal

Cornejo & Sons LLC · Surface
Controlled by Summit Materials LLC
Jasper, Barry County, MO  ·  Abandoned
MSHA Mine ID: 1400156

Portable Plant #4 has $25K in proposed MSHA penalties and $0 outstanding across 5 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
6
Years on record
2010–2021
Latest incident
Jun 2021
Compliance record
MSHA citations since 2003
110
citations
29
significant & substantial
$24,862
proposed penalties
$19,776
paid to date
80% of proposed penalties paid to date, a $5,086 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
40
inspections on record
597
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: 597 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 Plant #4 has $25K in proposed MSHA penalties and $0 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.
$25K
proposed penalties
$20K
current assessed
$20K
paid to date
$0
outstanding
107 assessments are final orders; 5 contested dockets.
As of the most recent assessment on 2020-11-03.
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
2024 Q4 1,032 0 0 0.0
2024 Q3 4,858 0 0 0.0
2024 Q2 3,321 0 0 0.0
2022 Q4 0 0 0
2022 Q2 4,835 0 0 0.0
2022 Q1 6,059 0 0 0.0
2021 Q4 6,899 0 0 0.0
2021 Q3 7,675 0 0 0.0
Show 81 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2021 Q2 7,659 0 0 0.0
2021 Q1 4,949 0 0 0.0
2020 Q4 2,839 8 3 2817.9
2020 Q3 3,136 0 0 0.0
2020 Q2 6,311 0 0 0.0
2020 Q1 2,016 3 2 1488.1
2019 Q4 1,422 0 0 0.0
2019 Q3 0 0 0
2019 Q2 366 0 0 0.0
2019 Q1 3,431 4 1 1165.8
2018 Q4 4,318 0 0 0.0
2018 Q3 4,951 2 0 404.0
2018 Q2 6,068 0 0 0.0
2018 Q1 7,317 1 0 136.7
2017 Q4 0 0 0
2017 Q3 0 0 0
2017 Q2 7,386 0 0 0.0
2017 Q1 6,417 2 0 311.7
2016 Q4 2,434 0 0 0.0
2016 Q3 10,155 4 0 393.9
2016 Q2 6,100 0 0 0.0
2016 Q1 0 0 0
2015 Q4 3,274 0 0 0.0
2015 Q3 11,776 2 1 169.8
2015 Q2 6,737 0 0 0.0
2015 Q1 8,486 8 3 942.7
2014 Q4 7,780 0 0 0.0
2014 Q3 0 0 0
2014 Q2 7,252 4 2 551.6
2014 Q1 4,275 0 0 0.0
2013 Q4 2,291 0 0 0.0
2013 Q3 8,735 1 0 114.5
2013 Q2 8,226 0 0 0.0
2013 Q1 8,282 9 2 1086.7
2012 Q4 8,944 0 0 0.0
2012 Q3 10,012 2 1 199.8
2012 Q2 6,605 0 0 0.0
2012 Q1 11,345 2 1 176.3
2011 Q4 7,767 0 0 0.0
2011 Q3 9,231 0 0 0.0
2011 Q2 10,244 5 2 488.1
2011 Q1 9,079 0 0 0.0
2010 Q4 10,467 2 2 191.1
2010 Q3 11,252 0 0 0.0
2010 Q2 11,174 1 0 89.5
2010 Q1 10,043 0 0 0.0
2009 Q4 10,128 1 0 98.7
2009 Q3 12,904 0 0 0.0
2009 Q2 12,053 3 0 248.9
2009 Q1 10,700 0 0 0.0
2008 Q4 12,650 4 1 316.2
2008 Q3 12,868 1 0 77.7
2008 Q2 13,425 0 0 0.0
2008 Q1 10,969 0 0 0.0
2007 Q4 10,617 7 1 659.3
2007 Q3 10,246 0 0 0.0
2007 Q2 9,098 0 0 0.0
2007 Q1 7,477 0 0 0.0
2006 Q4 9,628 15 2 1558.0
2006 Q3 9,864 0 0 0.0
2006 Q2 9,189 13 3 1414.7
2006 Q1 7,957 0 0 0.0
2005 Q4 8,960 0 0 0.0
2005 Q3 9,004 0 0 0.0
2005 Q2 10,604 0 0 0.0
2005 Q1 8,730 0 0 0.0
2004 Q4 8,582 0 0 0.0
2004 Q3 8,920 0 0 0.0
2004 Q2 8,393 0 0 0.0
2004 Q1 7,868 1 0 127.1
2003 Q4 9,577 0 0 0.0
2003 Q3 7,917 5 2 631.6
2003 Q2 6,242 0 0 0.0
2003 Q1 0 0 0
2002 Q4 0 0 0
2002 Q3 0 0 0
2002 Q2 586 0 0 0.0
2002 Q1 544 0 0 0.0
2001 Q2 0 0 0
2001 Q1 0 0 0
2000 Q4 597 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

6 on file

2021 · 1 incident

June 9, 2021 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Cornejo & Sons LLC · Struck by falling object

Employee was turning power back onto the plant following a screen change. When EE did so the starter on one of the switch boxes failed. The panel cover was knocked off which hit the employee in the forehead requiring stitches.

2020 · 2 incidents

September 10, 2020 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Cornejo & Sons LLC · Fall to the walkway or working surface

Employee was fueling equipment. EE was on the last truck at the time of injury. EE was pulling the fuel hose up to the gas tank. EE was walking backwards & sideways. EE tripped on a rock when EE turned to pull more hose from the fuel truck. As EE fell, EE heard a pop & then landed on the ground. EE suffered a broken leg which required surgery.

April 28, 2020 MO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Cornejo & Sons LLC · Caught in, under or between a moving and a stationary object

Employee was clearing the crusher from a boulder, a rock wedged EE's finger against the rotor smashing and cutting the finger.

2013 · 1 incident

March 18, 2013 MO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall onto or against objects

Employee was checking the oil on the track hoe that he was operating. His foot slipped and he fell against the track, fracturing two ribs.

2010 · 2 incidents

December 2, 2010 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

EE was attempting to remove a guard from a tail pulley underneath a bin. When the guard came off suddenly, it struck him in the mouth, causing a 2 cm laceration of his upper lip, requiring stitches.

February 1, 2010 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by... (Not Elsewhere Classified)

EE was trying to lift a 3" electric pump to check a problem. EE was swinging the swing gate as EE was cranking the cable lift. EE let go of the gate, causing the pump to drop. EE then tried to stop it by grabing the crank handle and the rotation of the handle caused a laceration to the palm of his right hand.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #4

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.

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