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EDINA PLANT (KC01): 70 MSHA citations Metal/Non-Metal

Knox County Stone · Surface
Controlled by Riverstone Group
Edina, Knox County, MO  ·  Active
MSHA Mine ID: 2300125

EDINA PLANT (KC01) has $20K in proposed MSHA penalties and $0 outstanding across 6 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
11
Years on record
1983–2024
Latest incident
Oct 2024
Compliance record
MSHA citations since 2000
70
citations
13
significant & substantial
$20,381
proposed penalties
$16,983
paid to date
83% of proposed penalties paid to date, a $3,398 gap.
Source: MSHA violations data, updated weekly.
See Knox County Stone's full MSHA compliance history →
Inspection activity
MSHA inspections since 2000
74
inspections on record
1,293
inspection hours
5.4
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.
70 citations across 1,293 inspection hours.
Source: MSHA inspections data, updated weekly.
Imminent-danger orders
ⓘ A Section 107(a) order removes miners from an area when an inspector finds an imminent danger. Each order is lifted once the condition is corrected, so this counts orders issued, not orders now in effect.
1
Section 107(a) orders
Most recent order: 2019-02-20.
On record since 2019.
Source: MSHA imminent-danger order records, updated weekly.

EDINA PLANT (KC01) has $20K in proposed MSHA penalties and $0 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.
$20K
proposed penalties
$17K
current assessed
$17K
paid to date
$0
outstanding
68 assessments are final orders; 6 contested dockets.
Of $5K in penalties contested before the Commission, $1K was upheld in final decisions.
As of the most recent assessment on 2026-06-03.
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.
18.8%
significant & substantial
2.9%
high negligence or reckless
17.4%
reasonably likely or greater
55.1%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 40.6% low, 56.5% moderate, 2.9% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
ⓘ Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
9 citations taken to the federal commission · 13% of citations on record
  • Settled 7 · 78%
  • Stood as issued 1 · 11%
  • Vacated or withdrawn 1 · 11%
71%
S&S designation survived the contest
ⓘ Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 7 decided S&S contests · industry: 79%
70%
Penalty reduction in decided contests
$5K proposed, $1K after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2020-07-12.
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.
Docket Decision Judge Year Proposed / upheld
CENT 2009-73M Settlement Lesnick 2010 $2K → $1K
CENT 2009-585M Settlement Lesnick 2010 $2K → $196
CENT 2011-324M Settlement Lesnick 2011 $807 → $131
CENT 2020-0192 Dismissal Manning 2020 $123 → $0
CENT 2012-337M Withdrawal Lesnick 2012 $100 → $0
CENT 2013-567M Settlement Miller 2013 $100 → $100
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
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: 2024-12-18
0%
of limit-tested samples over the exposure limit
65
samples
26
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg36
  • Quartz, respirable, >1% Qtz18
  • Nuisance dust, respirable, <1% Qtz9
  • Unlisted Particulate, respirable, <1% Qtz2
Show the individual readings (65)
Date Contaminant Concentration Limit Conc / limit Occupation
2024-12-18 Respirable dust, <.1mg 0 Drill Operator, Rotary
2024-12-18 Quartz, respirable, >1% Qtz 0.17 Building Repair/Maint.
2024-12-18 Respirable dust, <.1mg 0 Front-end Loader Operator
2024-12-18 Quartz, respirable, >1% Qtz 0.28 0.89 0.31 Cleanup Man
2024-07-31 Respirable dust, <.1mg 0 Crusher Oper/Worker
2024-07-31 Respirable dust, <.1mg 0 Cleanup Man
2024-07-31 Respirable dust, <.1mg 0 Utility Man
2024-07-31 Respirable dust, <.1mg 0 Front-end Loader Operator
2024-07-31 Respirable dust, <.1mg 0 Cleanup Man
2021-01-12 Quartz, respirable, >1% Qtz 0.28 0.9 0.31 Cleanup Man
2021-01-12 Quartz, respirable, >1% Qtz 0.64 1.15 0.56 Cleanup Man
2021-01-12 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-01-12 Quartz, respirable, >1% Qtz 0.36 0.96 0.38 Crusher Oper/Worker
2017-10-25 Nuisance dust, respirable, <1% Qtz 0.14 10 0.01 Truck Driver
2017-10-25 Respirable dust, <.1mg 0 Truck Driver
2017-10-25 Respirable dust, <.1mg 0 Truck Driver
2014-07-08 Respirable dust, <.1mg 0 Crusher Oper/Worker
2014-07-08 Respirable dust, <.1mg 0 Laborer, Bullgang
2014-07-08 Respirable dust, <.1mg 0 Front-end Loader Operator
2014-07-08 Respirable dust, <.1mg 0 Truck Driver
2014-07-08 Respirable dust, <.1mg 0 Laborer, Bullgang
2011-12-13 Quartz, respirable, >1% Qtz 0.16 1.36 0.12 Truck Driver
2011-12-13 Respirable dust, <.1mg 0 Front-end Loader Operator
2011-12-13 Respirable dust, <.1mg 0 Utility Man
2011-12-13 Quartz, respirable, >1% Qtz 0.17 1.63 0.10 Crusher Oper/Worker
2010-10-26 Nuisance dust, respirable, <1% Qtz 0.13 10 0.01 Backhoe Operator
2010-10-26 Quartz, respirable, >1% Qtz 0.17 1.61 0.11 Truck Driver
2010-10-26 Quartz, respirable, >1% Qtz 0.17 1.62 0.10 Truck Driver
2010-10-26 Respirable dust, <.1mg 0 Front-end Loader Operator
2010-10-26 Respirable dust, <.1mg 0 Crusher Oper/Worker
2010-04-07 Respirable dust, <.1mg 0 Truck Driver
2010-04-07 Respirable dust, <.1mg 0 Crusher Oper/Worker
2010-04-07 Nuisance dust, respirable, <1% Qtz 0.33 10 0.03 Front-end Loader Operator
2010-04-07 Respirable dust, <.1mg 0 Truck Driver
2010-04-07 Respirable dust, <.1mg 0 Front-end Loader Operator
2009-04-22 Nuisance dust, respirable, <1% Qtz 0.15 10 0.02 Truck Driver
2009-04-22 Quartz, respirable, >1% Qtz 0.23 1.96 0.12 Utility Man
2009-04-22 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2007-10-03 Quartz, respirable, >1% Qtz 0.16 1.15 0.14 Laborer, Bullgang
2007-10-03 Respirable dust, <.1mg 0 Truck Driver
2007-10-03 Respirable dust, <.1mg 0 Truck Driver
2006-06-06 Respirable dust, <.1mg 0 Crusher Oper/Worker
2006-06-06 Nuisance dust, respirable, <1% Qtz 0.37 10 0.04 Truck Driver
2006-06-06 Respirable dust, <.1mg 0 Truck Driver
2006-06-06 Respirable dust, <.1mg 0 Utility Man
2005-06-02 Quartz, respirable, >1% Qtz 0.26 1.26 0.21 Supervisor, Co. Official
2005-06-02 Nuisance dust, respirable, <1% Qtz 0.24 10 0.02 Drill Operator, Rotary Air
2005-06-02 Quartz, respirable, >1% Qtz 0.2 1.98 0.10 Truck Driver
2005-06-02 Nuisance dust, respirable, <1% Qtz 0.34 10 0.03 Crusher Oper/Worker
2005-06-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2003-10-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2003-10-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2003-10-29 Unlisted Particulate, respirable, <1% Qtz 0.38 Truck Driver
2003-10-29 Unlisted Particulate, respirable, <1% Qtz 0.33 Truck Driver
2003-10-29 Quartz, respirable, >1% Qtz 0.15 0.91 0.16 Crusher Oper/Worker
2003-04-08 Respirable dust, <.1mg 0 Truck Driver
2003-04-08 Nuisance dust, respirable, <1% Qtz 1.03 10 0.10 Drill Operator, Rotary
2003-04-08 Respirable dust, <.1mg 0 Front-end Loader Operator
2003-04-08 Quartz, respirable, >1% Qtz 0.12 1.44 0.08 Laborer, Bullgang
2003-04-08 Respirable dust, <.1mg 0 Crusher Oper/Worker
2001-10-31 Respirable dust, <.1mg 0 Front-end Loader Operator
2001-10-31 Nuisance dust, respirable, <1% Qtz 0.45 10 0.05 Drill Operator, Rotary
2001-10-31 Quartz, respirable, >1% Qtz 0.21 1.65 0.13 Utility Man
2001-10-31 Quartz, respirable, >1% Qtz 0.29 1.63 0.18 Truck Driver
2001-10-31 Quartz, respirable, >1% Qtz 0.26 1.17 0.22 Dry Screen Plant 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.

EDINA PLANT (KC01) recorded 0.00 reportable injury cases per 100 full-time workers in 2025.

Injury rate, 2025
ⓘ 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 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In Missouri, metal and nonmetal mining averaged 2.13 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
2025 * 0.00 0.00 0.000
2024 * 6.07 0.00 0.000
2023 * 5.83 0.00 0.000
2022 * 6.78 6.78 0.000
2021 * 7.21 0.00 0.000
2020 * 0.00 0.00 0.000
2019 * 0.00 0.00 0.000
2018 * 0.00 0.00 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.
Ownership history
  1. Central Stone Company 1950 to 2004
  2. Knox County Stone 2004 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 16
2025 14
2024 13
2023 14
2022 12
2021 12
2020 13
2019 11
2018 12
2017 14
2016 13
2015 14
2014 12
2013 14
2012 15
2011 15
2010 15
2009 15
2008 15
2007 13
2006 14
2005 16
2004 16
2003 13
2002 15
2001 16
2000 14
Source: MSHA quarterly employment and production, updated weekly.

EDINA PLANT (KC01) sits in Knox County, Missouri, where the Census mining category is 0.7% 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.
Knox County, Missouri · Population 3,760
0.7%
Mining share of county employment
$53,333
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
Quarter Hours worked Citations S&S Per 1M hrs
2026 Q2 10,125 1 0 98.8
2026 Q1 8,876 1 0 112.7
2025 Q4 8,876 0 0 0.0
2025 Q3 9,535 0 0 0.0
2025 Q2 8,793 0 0 0.0
2025 Q1 6,732 0 0 0.0
2024 Q4 7,640 2 0 261.8
2024 Q3 8,514 1 0 117.5
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 8,864 0 0 0.0
2024 Q1 7,924 0 0 0.0
2023 Q4 8,947 3 1 335.3
2023 Q3 8,445 0 0 0.0
2023 Q2 9,192 1 0 108.8
2023 Q1 7,703 0 0 0.0
2022 Q4 7,634 1 0 131.0
2022 Q3 8,217 0 0 0.0
2022 Q2 7,654 3 1 392.0
2022 Q1 5,989 2 0 333.9
2021 Q4 6,130 0 0 0.0
2021 Q3 7,506 1 0 133.2
2021 Q2 7,309 2 0 273.6
2021 Q1 6,788 3 0 442.0
2020 Q4 6,922 0 0 0.0
2020 Q3 9,132 0 0 0.0
2020 Q2 10,372 0 0 0.0
2020 Q1 8,129 3 1 369.0
2019 Q4 7,333 0 0 0.0
2019 Q3 7,240 0 0 0.0
2019 Q2 6,702 1 0 149.2
2019 Q1 5,650 3 1 531.0
2018 Q4 5,822 0 0 0.0
2018 Q3 6,927 0 0 0.0
2018 Q2 7,353 2 0 272.0
2018 Q1 6,571 0 0 0.0
2017 Q4 8,128 2 0 246.1
2017 Q3 8,393 1 0 119.1
2017 Q2 8,657 0 0 0.0
2017 Q1 7,809 0 0 0.0
2016 Q4 7,632 0 0 0.0
2016 Q3 8,251 0 0 0.0
2016 Q2 8,760 0 0 0.0
2016 Q1 8,193 0 0 0.0
2015 Q4 7,985 1 0 125.2
2015 Q3 8,715 0 0 0.0
2015 Q2 7,822 1 0 127.8
2015 Q1 7,237 0 0 0.0
2014 Q4 7,466 0 0 0.0
2014 Q3 6,695 1 0 149.4
2014 Q2 6,645 0 0 0.0
2014 Q1 3,647 1 0 274.2
2013 Q4 6,673 0 0 0.0
2013 Q3 8,112 0 0 0.0
2013 Q2 7,359 1 0 135.9
2013 Q1 6,090 0 0 0.0
2012 Q4 7,644 3 0 392.5
2012 Q3 7,769 2 0 257.4
2012 Q2 9,097 0 0 0.0
2012 Q1 9,024 0 0 0.0
2011 Q4 8,989 1 0 111.2
2011 Q3 8,594 0 0 0.0
2011 Q2 9,390 1 0 106.5
2011 Q1 7,356 0 0 0.0
2010 Q4 8,122 1 0 123.1
2010 Q3 9,847 0 0 0.0
2010 Q2 10,036 2 0 199.3
2010 Q1 8,061 0 0 0.0
2009 Q4 7,563 0 0 0.0
2009 Q3 9,301 2 0 215.0
2009 Q2 9,768 3 1 307.1
2009 Q1 8,388 0 0 0.0
2008 Q4 8,153 1 0 122.7
2008 Q3 8,680 0 0 0.0
2008 Q2 10,272 0 0 0.0
2008 Q1 8,027 0 0 0.0
2007 Q4 6,923 0 0 0.0
2007 Q3 8,327 0 0 0.0
2007 Q2 7,933 0 0 0.0
2007 Q1 4,203 0 0 0.0
2006 Q4 6,624 1 0 151.0
2006 Q3 7,189 0 0 0.0
2006 Q2 7,380 1 0 135.5
2006 Q1 6,258 0 0 0.0
2005 Q4 6,655 1 0 150.3
2005 Q3 9,310 0 0 0.0
2005 Q2 11,216 1 0 89.2
2005 Q1 7,862 0 0 0.0
2004 Q4 7,814 0 0 0.0
2004 Q3 10,647 0 0 0.0
2004 Q2 9,341 0 0 0.0
2004 Q1 6,918 0 0 0.0
2003 Q4 6,455 0 0 0.0
2003 Q3 7,296 0 0 0.0
2003 Q2 8,413 1 1 118.9
2003 Q1 6,300 0 0 0.0
2002 Q4 6,627 0 0 0.0
2002 Q3 7,524 1 1 132.9
2002 Q2 8,650 0 0 0.0
2002 Q1 7,704 0 0 0.0
2001 Q4 7,914 0 0 0.0
2001 Q3 7,975 0 0 0.0
2001 Q2 8,376 0 0 0.0
2001 Q1 7,487 0 0 0.0
2000 Q4 6,080 0 0 0.0
2000 Q3 8,317 3 1 360.7
2000 Q2 9,228 0 0 0.0
2000 Q1 7,320 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

11 on file

2024 · 1 incident

October 11, 2024 MO · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Knox County Stone · Struck by flying object

Employee alleges was using a chisel and a piece of steel went into right eye.

2023 · 1 incident

July 20, 2023 MO · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Knox County Stone · Struck against stationary object

Employee alleges employee was holding a liner in employee's hands and a sharp object cut left hand/fingers. Employee received sutures.

2022 · 1 incident

June 30, 2022 MO · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
Knox County Stone · Fall from ladders

Employee alleges they were replacing a belt on the conveyor and they were climbing down from a ladder and missed a step on the ladder falling to the ground hurting left knee.

2021 · 1 incident

August 26, 2021 MO · Metal/Non-Metal dry screening plant operator, screen house operator HANDLING OF MATERIALS
Knox County Stone · Caught in, under or between a moving and a stationary object

Employee alleges they were removing loader tooth from magnet and they smashed their right thumb between the loader tooth and box beam. Employee received 9 stitches.

2005 · 1 incident

April 18, 2005 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Knox County Stone · Struck by flying object

Employee alleges he was walking away from loader when another employee was hitting tooth shank with a hammer and a piece of steel came off cutting hs wrist.

2002 · 1 incident

May 8, 2002 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Central Stone Company · Caught in, under or between (Not Elsewhere Classified)

EE ALLEGES HE WAS MOVING FLOP GATE ON BYPASS CHUTE AND HIS FINGERS WERE SMASHED BETWEEN THE CHUTE HANDLE AND TAIL PULLEY GUARD ON CONVEYOR.

1999 · 1 incident

March 31, 1999 MO · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
Central Stone Company · Over-exertion (Not Elsewhere Classified)

EMPLOYEE ALLEGES HE WAS CLIMBING A LADDER TO GETINTO WABCO HAUL TRUCK AND HE HEARD HIS LEFT KNEEPOP.

1995 · 1 incident

June 12, 1995 MO · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Central Stone Company · Caught in, under or between a moving and a stationary object

EMPLOYEE HAD PLACED HYD. CYL. OF PORT-A-POWER BETWEEN SCREEN FRAME AND SCREEN BASKET TO RELEASE TENSION TO INSTALL SPRING WHEN CYL. CAME OUT PINCHING HIS FINGER.

1991 · 1 incident

April 16, 1991 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Central Stone Company · Caught in, under or between a moving and a stationary object

EMPLOYEE EXTENDED FINGER THROUGH DRAIN HOLE IN SHAKE SCREEN TUBE TO CHECK OIL LEAK. THE ROTATING SHAFT SMASHED THE OUTER MOST 1/4" OF MIDDLE FINGER ON RIGHT HAND.

1990 · 1 incident

January 29, 1990 MO · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Central Stone Company · Over-exertion in lifting objects

EMPLOYEE WAS CARRYING A METAL PAN IN WHICH ENGINE PARTS ARE USUALLY WASHED, APPROX. WEIGHT IS 20 POUNDS, WHEN HE NOTICED A SHARP PAIN IN THE UPPER BACK AREA.

1983 · 1 incident