Portable Plant #2 has $14K in proposed MSHA penalties and $0 outstanding across 3 contested dockets, plus health sampling and the full incident record.
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Fatalities
2
Total incidents
12
Years on record
1995–2025
Latest incident
Jan 2025
Compliance record
MSHA citations since 2000
86
citations
16
significant & substantial
$13,836
proposed penalties
$12,323
paid to date
89% of proposed penalties paid to date, a $1,514 gap.
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: 479 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 #2 has $14K in proposed MSHA penalties and $0 outstanding across 3 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.
$14K
proposed penalties
$12K
current assessed
$12K
paid to date
$0
outstanding
86 assessments are final orders; 3 contested dockets.
Of $232K in penalties contested before the Commission, $71K was upheld in final decisions.
As of the most recent assessment on 2025-03-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘShares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
Source: MSHA violations gravity and negligence coding, updated weekly.
Contested penalties
ⓘA reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Health sampling
ⓘA sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.
Metal and nonmetal contaminants (personal samples)
ⓘMany samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2025-09-17
0%
of limit-tested samples over the exposure limit
19
samples
8
limit-tested
Most sampled contaminants
Nuisance dust, respirable, <1% Qtz7
Respirable dust, <.1mg6
Quartz, respirable, >1% Qtz3
Unlisted Particulate, respirable, <1% Qtz3
Show the individual readings (19)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2025-09-17
Respirable dust, <.1mg
0
Crusher Oper/Worker
2025-09-17
Respirable dust, <.1mg
0
Truck Driver
2025-09-17
Quartz, respirable, >1% Qtz
0.5
Utility Man
2025-09-17
Respirable dust, <.1mg
0
Front-end Loader Operator
2023-11-15
Respirable dust, <.1mg
0
Truck Driver
2023-11-15
Quartz, respirable, >1% Qtz
0.41
1.47
0.28
Supervisor, Co. Official
2023-11-15
Quartz, respirable, >1% Qtz
0.3
Backhoe Operator
2019-04-04
Unlisted Particulate, respirable, <1% Qtz
0.34
Front-end Loader Operator
2019-04-04
Unlisted Particulate, respirable, <1% Qtz
0.24
Supervisor, Co. Official
2019-04-04
Unlisted Particulate, respirable, <1% Qtz
0.17
Truck Driver
2015-09-23
Nuisance dust, respirable, <1% Qtz
0.72
10
0.07
Truck Driver
2015-09-23
Nuisance dust, respirable, <1% Qtz
0.5
10
0.05
Front-end Loader Operator
2015-09-23
Nuisance dust, respirable, <1% Qtz
0.3
10
0.03
Truck Driver
2008-10-29
Nuisance dust, respirable, <1% Qtz
0.6
10
0.06
Crusher Oper/Worker
2008-10-29
Nuisance dust, respirable, <1% Qtz
0.12
10
0.01
Front-end Loader Operator
2008-10-29
Respirable dust, <.1mg
0
Front-end Loader Operator
2005-03-02
Nuisance dust, respirable, <1% Qtz
0.43
10
0.04
Crusher Oper/Worker
2005-03-02
Nuisance dust, respirable, <1% Qtz
0.31
10
0.03
Front-end Loader Operator
2005-03-02
Respirable dust, <.1mg
0
Front-end Loader Operator
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Portable Plant #2 recorded 0.00 reportable injury cases per 100 full-time workers in 2003.
Injury rate, 2003
ⓘThis rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
Below average. The US metal and nonmetal mining average was 3.76 and the all-US-mining average was 4.43 cases per 100 workers.
In Kansas, metal and nonmetal mining averaged 3.26 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year
total case rate
days-away
fatal
2003 *
0.00
0.00
0.000
2002 *
10.61
0.00
0.000
2001 *
0.00
0.00
0.000
2000 *
8.83
8.83
0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
9
2025
9
2024
6
2023
5
2022
6
2021
5
2020
4
2019
5
2018
3
2017
5
2016
7
2015
5
2014
0
2013
3
2011
0
2010
0
2009
8
2008
7
2007
7
2006
7
2005
9
2004
8
2003
10
2002
16
2001
17
2000
20
Source: MSHA quarterly employment and production, updated weekly.
Portable Plant #2 sits in Crawford County, Kansas, where the Census mining category is 0.4% of county employment.
Local economic context
ⓘCounty figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Crawford County, Kansas · Population 38,963
0.4%
Mining share of county employment
$50,311
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
Midwest Minerals LLC · Caught in, under or between a moving and a stationary object
EMPLOYEE WAS HAULING 1 1/4" X 0 CRUSHED STONE FROM THE CRUSHING PLANT TO THE STOCKPILE. WHILE ASCENDING THE RAMP TO THE TOP OF THE STOCKPILE, THE TRUCK OVERTURNED ON ITS SIDE, PINNING THE EMPL OYEE UNDER THE TRUCK, CAUSING FATAL INJURIES.
PLANT SUPERVISOR & EE ADJUSTED TRACKS ON DOZER. OTHER EE LEFT, & PLANT SUPERVISOR APPARENTLY STARTED TO OPERATE DOZER, IN REVERSE. HE EITHER JUMPED OR FELL OFF DOZER. DOZER STRUCK SUPERVISOR'S PICKUP, PUSHED IT OUT OF THE WAY, AND APPARENTLY RAN OVER THE SUPERVISOR, CAUSING ABDOMINAL INJURIES, FRACTURED FEMUR & PELVIS.
Reportable incidents
10 on file (excluding fatalities above)
2025 · 1 incident
January 8, 2025KS · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
Cornejo & Sons LLC · Caught in, under or between a moving and a stationary object
Employee was assisting delivery drive in offloading conveyor to jack stand. Conveyor shifted unexpectedly and crushed employees left hand.
2002 · 2 incidents
August 7, 2002KS · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EE WAS REPLACING HAMMERS & GRATE BARS INSIDE A SECONDARY CRUSHER, APPARENTLY GOT A PIECE OF METAL IN HIS EYE.
2000 · 2 incidents
June 26, 2000KS · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
EMPLOYEE IS A MECHANIC & WAS WORKING ON HIS TRUCK. HE WAS STANDINGON THE TRUCK FRAME RAIL AND HIS FOOT SLIPPED OFF, CAUSING HIM TO FALL AND STRADDLE THE RAIL. HE AS DIAGNOSED WITH BILATERAL IGNUINAL STRAIN AND PERINEAL CONTUSION.
April 7, 2000KS · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSTEPPING OR KNEELING ON OBJECT
EMPLOYEE IS A MECHAIC AND HAD BEEN CRAWLING UNDER EQUIPMENT TO REPAIR. HE COMPLAINED OF KNEE PAIN AND WAS TREATED FOR BURSITIS WHEN KNEE DID NTO GET ANY BETTER, HEFINALLY WAS SEEN BY AN ORTH OPEDIC SURG. DIAGNOSIS TORN MEDIAL MENISCUS. WILL BE SURGICALLY REPAIRED ON 6-29-00. OFF WORK STARTING 6-29-00.
1999 · 1 incident
October 4, 1999KS · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverHANDLING OF MATERIALS
EE WAS HELPING CHANGE SCREENS ON A VIBRATING SCREEN, REMOVING THE WEDGES FROM THE KEEPER PINS. WHEN ONE OF THE WEDGES BROKE LOOSE, IT FLEW UP AND HIT HIM IN THE MOUTH, CUTTING HIS LIP AND CHIP PING TWO TEETH.
1998 · 1 incident
November 5, 1998KS · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerPOWERED HAULAGE
EE WAS OPERATING A DFOZER & THOUGHT HE SAW SOMETHING OUT OF THE CORNER OF HIS EYE. HE TURNED HIS HEAD QUICKLY AND APPARENTLY PINCHED A NERVE IN HIS NECK.
1995 · 3 incidents
December 14, 1995KS · Metal/Non-Metalprep plant foreman, supervisor, mill plant supervisor, kiln supervisorSLIP OR FALL OF PERSON
EE WAS WALKING DOWN STEPS FROM TOOL TRAILER AND CAUGHT THE HEEL OF HIS BOOT ON ONE OF THE STEPS, CAUSING HIM TO TWIST OR PULL. DID NOT START FEELING PAIN UNTIL LATER THAT EVENING.
EMPLOYEE WAS WORKING ON A CONVEYOR BELT WHILE ANOTHER EMPLOYEE WAS USING A GRINDER NEARBY A PIECE OF METAL FROM THE GRINDING STRUCK THE EMPLOYEE IN THE LEFT EYE
August 5, 1995KS · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverSLIP OR FALL OF PERSON
EE WAS ATTEMPTING TO CLIMB DOWN FROM A STOCKPILE. DUMP TRUCK WHEN HIS FOOT SLIPPED OFF THE TOP STEP CAUSINGHIM TO FALL TO THE GROUND. EE LANDEEDON HIS BUTTOCKS WHICH COMPRESSED HIS SPINE AND C AUSED A HERNIATED DISC AND PINCHED NERVES AT THEL-5 LOCATION. THE PINCHED NERVES AREA CAUSING NUMBNESS IN HIS LEGS.