Mining Incidents

Portable Plant #3 Metal/Non-Metal

Cornejo & Sons LLC · Surface
Controlled by Summit Materials LLC
Neodesha, Wilson County, KS  ·  Active
MSHA Mine ID: 1401464

Portable Plant #3 has $85K in proposed MSHA penalties and $14 outstanding across 6 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
22
Years on record
1986–2018
Latest incident
Jun 2018
Compliance record
MSHA citations since 2000
137
citations
32
significant & substantial
$85,249
proposed penalties
$60,300
paid to date
71% of proposed penalties paid to date, a $24,949 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
65
inspections on record
760
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: 760 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 #3 has $85K in proposed MSHA penalties and $14 outstanding across 6 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.
$85K
proposed penalties
$60K
current assessed
$60K
paid to date
$14
outstanding
134 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2025-05-06.
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 1,386 0 0 0.0
2025 Q3 6,131 0 0 0.0
2025 Q2 5,612 2 0 356.4
2025 Q1 5,056 3 0 593.4
2024 Q4 4,531 0 0 0.0
2024 Q3 3,192 0 0 0.0
2024 Q2 4,975 4 1 804.0
2024 Q1 3,385 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 3,210 0 0 0.0
2023 Q3 4,235 0 0 0.0
2023 Q2 4,252 0 0 0.0
2023 Q1 2,081 0 0 0.0
2022 Q4 2,535 2 0 789.0
2022 Q3 5,978 0 0 0.0
2022 Q2 4,521 1 0 221.2
2022 Q1 4,239 0 0 0.0
2021 Q4 7,690 6 0 780.2
2021 Q3 6,958 6 2 862.3
2021 Q2 7,274 0 0 0.0
2021 Q1 3,356 5 3 1489.9
2020 Q4 3,405 0 0 0.0
2020 Q3 4,281 0 0 0.0
2020 Q2 3,169 0 0 0.0
2020 Q1 2,776 0 0 0.0
2019 Q4 4,687 2 1 426.7
2019 Q3 5,054 0 0 0.0
2019 Q2 5,589 0 0 0.0
2019 Q1 1,589 2 1 1258.7
2018 Q4 0 0 0
2018 Q3 3,472 0 0 0.0
2018 Q2 7,277 0 0 0.0
2018 Q1 5,531 0 0 0.0
2017 Q4 11,498 3 1 260.9
2017 Q3 8,380 0 0 0.0
2017 Q2 15,164 6 1 395.7
2017 Q1 10,277 4 2 389.2
2016 Q4 9,116 0 0 0.0
2016 Q3 9,170 7 2 763.4
2016 Q2 7,759 0 0 0.0
2016 Q1 12,928 0 0 0.0
2015 Q4 8,718 0 0 0.0
2015 Q3 5,075 4 0 788.2
2015 Q2 5,749 0 0 0.0
2015 Q1 7,016 0 0 0.0
2014 Q4 8,306 4 1 481.6
2014 Q3 7,321 13 4 1775.7
2014 Q2 10,482 0 0 0.0
2014 Q1 8,408 3 0 356.8
2013 Q4 7,009 0 0 0.0
2013 Q3 7,448 1 0 134.3
2013 Q2 8,278 0 0 0.0
2013 Q1 7,690 0 0 0.0
2012 Q4 9,980 0 0 0.0
2012 Q3 11,436 2 1 174.9
2012 Q2 12,126 0 0 0.0
2012 Q1 11,083 0 0 0.0
2011 Q4 11,891 4 0 336.4
2011 Q3 12,160 1 0 82.2
2011 Q2 13,234 3 0 226.7
2011 Q1 10,436 0 0 0.0
2010 Q4 12,374 4 3 323.3
2010 Q3 13,479 0 0 0.0
2010 Q2 12,083 3 2 248.3
2010 Q1 9,120 0 0 0.0
2009 Q4 9,936 2 1 201.3
2009 Q3 13,290 0 0 0.0
2009 Q2 12,992 4 1 307.9
2009 Q1 11,826 0 0 0.0
2008 Q4 14,973 4 0 267.1
2008 Q3 13,373 2 0 149.6
2008 Q2 13,344 0 0 0.0
2008 Q1 12,334 2 0 162.2
2007 Q4 13,028 0 0 0.0
2007 Q3 14,981 0 0 0.0
2007 Q2 13,845 0 0 0.0
2007 Q1 11,633 6 0 515.8
2006 Q4 13,233 0 0 0.0
2006 Q3 14,829 0 0 0.0
2006 Q2 15,378 0 0 0.0
2006 Q1 14,211 2 0 140.7
2005 Q4 17,198 0 0 0.0
2005 Q3 17,401 0 0 0.0
2005 Q2 15,726 0 0 0.0
2005 Q1 14,463 3 3 207.4
2004 Q4 15,550 0 0 0.0
2004 Q3 15,605 0 0 0.0
2004 Q2 16,374 5 0 305.4
2004 Q1 14,359 0 0 0.0
2003 Q4 16,498 0 0 0.0
2003 Q3 12,971 0 0 0.0
2003 Q2 11,233 0 0 0.0
2003 Q1 10,480 0 0 0.0
2002 Q4 13,570 0 0 0.0
2002 Q3 14,103 0 0 0.0
2002 Q2 12,669 1 1 78.9
2002 Q1 12,030 0 0 0.0
2001 Q4 12,389 0 0 0.0
2001 Q3 14,120 0 0 0.0
2001 Q2 14,019 0 0 0.0
2001 Q1 12,299 0 0 0.0
2000 Q4 13,014 0 0 0.0
2000 Q3 15,745 9 1 571.6
2000 Q2 14,257 0 0 0.0
2000 Q1 13,273 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

22 on file

2018 · 1 incident

June 22, 2018 KS · Metal/Non-Metal miner, prospector, nec STEPPING OR KNEELING ON OBJECT
Midwest Minerals LLC · Struck against stationary object

EE was dismounting the haul truck (Euclid R-35)using three points of contact. EE stepped down on a piece of rock and felt a pop in right foot. EE has a metatarsal fracture in right foot.

2009 · 1 incident

June 2, 2009 KS · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall to the walkway or working surface

EE was fueling the loader when she stepped down on the berm around the fuel tank, she lost her balance and fell backward, injuring her left wrist.

2005 · 1 incident

February 18, 2005 KS · Metal/Non-Metal superintendent POWERED HAULAGE
Midwest Minerals LLC · Caught in, under or between running or meshing objects

EE was using a 3 pound hammer to try & free a stuck troughing roller on a belt conveyor. The conveyor was running at the time. The conveyor belt grabbed the hammer and pulled his arm into the head pulley, causing his right arm to be severed.

2004 · 1 incident

September 1, 2004 KS · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object

Employee was helping install a handrail on a piece of crushing equipment and caught his hand between the handrail and the bracket, cutting the palm and little finger of his left hand.

2003 · 1 incident

January 13, 2003 KS · Metal/Non-Metal truck driver HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object

EE WAS CLEANING OUT THE PRIMARY IMPACT CRUSHER, WHICH HAD STALLED, USING A PRY BAR. A LARGE ROCK ROLLED UNEXPECTEDLY, SMASHING HIS FINGER AGAINST ANOTHER ROCK. THE FINGER WAS CUT AND REQUIRED STITCHES.

2002 · 1 incident

March 21, 2002 KS · 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 DOING MAINTENANCE AROUND CRUSHING PLANT, SOMETIME DURING THE DAY GOT SOMETHING IN HIS EYE.

2000 · 2 incidents

July 27, 2000 KS · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS FIXING A TWISTED V-BELT ON THE MAIN DRIVE OF THE PRIMARY CRUSHER. WHEN THE BELT FLIPPED OVER, HE CAUGHT HIS LITTLE FINGER BETWEEN THE BELT AND THE DRIVE SHEAVE. THE TIP OF HIS FI NGER WAS FRACTURED AND CUT. HIS FINGER WAS SUTURED AND SPLINTED.

July 25, 2000 KS · Metal/Non-Metal truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS ATTEMPTING TO PUT A KEEPER PIN IN TO HOLD UP THE BED OF A 25 TON HAUL TRUCK AND SMASHED HIS FINGER BETWEEN THE BED AND THE HANDLE OF THE KEEPER PIN. THE TIP OF HIS MIDDLE FINGER O N THE RIGHT HAND WAS FRACTURED AND CUT. HIS FINGER WAS SUTURED AND SPLINTED.

1997 · 2 incidents

October 16, 1997 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS HELPING CLEAR BOULDERS FROM PLUGGED IMPACT CRUSHER AND TWISTED HIS KNEE. HE WENT TO THE DR. ON 10-21-97 & WAS SENT BACK TO WORK-NO INJURY FOUND. WHEN IT DIDN'T GET ANY BETTER AN MRI WAS DONE ON 11-12-97. THE REPORT DATED 11/14/97 SHOWS TORN LIGAMENT IN HIS KNEE. EMPLOYEE HAS BEEN OFF WORK SINCE 11/13/97.

May 7, 1997 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

EE HAS BEEN DIAGNOSED WITH CARPAL TUNNEL IN BOTH ARMS. UNKNOWN WHAT CAUSED IT. OFF WORK STARTING 5/8/97.

1996 · 2 incidents

November 9, 1996 KS · Metal/Non-Metal rock driller MACHINERY
Midwest Minerals LLC · Caught in, under or between two or more moving objects

EE WAS MOVING A PNEUMATIC ROCK DRILLO BACK ONTO THE SHOT PATTERN. HE WAS ATTEMPTING TO TURN THE DRILL AROUND, BUT TURNED TOO SHARPLY, JACKKNIFING THE DRILL & COMPRESSOR, AND CAUGHT HIS LOWER L EFT LEG BETWEEN THE DRILL & COMPRESSOR, CAUSING A PUNCTURE WOUND.

August 19, 1996 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion (Not Elsewhere Classified)

HERNIA. UNKNOWN WHEN IT HAPPENED OR IF IT WAS JOB RELATED.

1995 · 2 incidents

August 25, 1995 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by falling object

EE WAS WORKING ON THE TAIL END OF A CONVEYOR BELT WHEN A PIECE OF EXPANDED METAL FELL AND CUT HIS WRIST. THE CUT REQUIRED SIX STICHES.

January 30, 1995 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver EXPLODING VESSELS UNDER PRESSURE
Midwest Minerals LLC · Struck against a moving object

EMPLOYEE WAS DRIVING A STOCKPILE DUMP TRUCK WHEN THE LEFT FRONT TIRE BLEW OUT. THIS CAUSED THE STEERING WHEEL TO TURN ABRUPTLY, JERKING HIS ARM AND TEARING MUSCLES IN HIS UPPER BACK.

1994 · 1 incident

November 21, 1994 KS · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Midwest Minerals LLC · Struck by flying object

EMPLOYEE WAS STANDING BEHIND IMPACTOR, WAITING FOR IT TO CLEAR. IMPACTOR THREW A FIST SIZE ROCK BACK, STRIKING EMPLOYEE IN THE FOREHEAD AND RESULTING IN A CUT WHICH REQUIRED STITCHES.

1992 · 2 incidents

July 13, 1992 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall from scaffolds, walkways, platforms

ALLEDGED INJURY EMPLOYEE JUMPED OFF THE PLATFORM OF A COMPRESSOR ABOUT 3-31/2FT STATED HE INJURED HISBACK THIS EMPLOYEE HAS A HISTORY OF WORKERS COMPENSATION CLAIMS WE THINK THIS IS A FRAUDULE NT CLAIM & WE ARE WORKING WITH OUR INSURANCE CARRIER TO PROVE SO

April 13, 1992 KS · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall to the walkway or working surface

EMPLOYEE WAS GOING DOWN THE SLOPE AT THE TRUCK DUMP. IN THE PROCESS HE STEPPED ON SOME LOOSE MATERIALS, LOST HIS BALANCE AND FELL AT THE BOTTOM OF THE SLOPE, INJURING HIS RIGHT SIDE AND RIGHT HAND.

1991 · 1 incident

November 26, 1991 KS · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall from machine

EMPLOYEE AND A LOADER OPERATOR WAS UNLOADING EUCLID TIRES OUT OF THE BED OF THE SERVICE TRUCK, EMPLOYEE WAS STANDING ONT HE BED OF THE TRUCK, HE FELL BACKWARDS AND STRUCK HIS HEAD ON THE GORUN D, CAUSING A LACERATION WHICH NEEDED 3-4 STITCHES.

1990 · 1 incident

September 18, 1990 KS · Metal/Non-Metal coal/ore shovel operator, shoveler, power shoveler HANDTOOLS (NONPOWERED)
Midwest Minerals LLC · Struck against stationary object

EMPLOYEE WAS USING A PRYBAR WHILE CHANGING HOIST CABLES ON #350 SHOVEL THE PRYBAR SLIPPED & HE STRUCK HIS MIDDLE FINGER ON HIS RT HAND ON THE CROUD CHAIN SOME STITCHES WERE TAKEN TO CLOSE THE WOUND

1987 · 1 incident

August 7, 1987 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Midwest Minerals LLC · Struck by falling object

MEN WERE LOADIN1 IRON ONTO A TRUCK WHILE A MAN WAS PLACING A PIECE OF IRON ANOTHER PIECE FELL ONTO HIS HAND HITTING TWO FINGERS ON RT HAND. SUSTAINED LOSS OF FINGERNAIL ON RT INDEX FINGER

1986 · 2 incidents

December 4, 1986 KS · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Midwest Minerals LLC · Fall from machine

MAN TWISTED BAC5 WHILE GETTING OUT OF TRUCK. SPRAINED HIS BACK.

April 7, 1986 KS · Metal/Non-Metal HANDLING OF MATERIALS
Midwest Minerals LLC · Over-exertion in lifting objects

MAN WAS REMOVI3G WASTE MATERIAL FROM A FLATBED TRAILOR, ALL MATERIAL WAS OF LIGHT WEIGHT. MAN WAS BENT OVER TOSSING MATERIAL TO THE GROUND, WHEN HE APOSE HIS BACK POPPED AND THERE WAS IMMEDIA TE PAIN. MAN LE0T WORK. AND CONSULTED A CHIROPRACTOR. HE WAS TOLD HE HAD A DISK THAT HAD BEEN PUSHED TO THE SIDE. HAS MADE SEVEREAL TRIPS TO DR. FULL RECOVERY EXPECTED.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #3

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.