Portable Crusher #6 has $3K in proposed MSHA penalties and $0 outstanding across 4 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
1
Years on record
2025
Latest incident
Mar 2025
Compliance record
MSHA citations since 2008
21
citations
7
significant & substantial
$3,298
proposed penalties
$3,281
paid to date
99% of proposed penalties paid to date, a $17 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: 135 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 Crusher #6 has $3K in proposed MSHA penalties and $0 outstanding across 4 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.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
21 assessments are final orders; 4 contested dockets.
Of $2K in penalties contested before the Commission, $2K was upheld in final decisions.
As of the most recent assessment on 2025-11-25.
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.
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.
9citations taken to the federal commission · 43% of citations on record
Settled
7 · 78%
Stood as issued
2 · 22%
100%
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 Vacated and withdrawn citations, and settlements that removed the designation, count against.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 5 decided S&S contests · industry: 79%
1%
Penalty reduction in decided contests
$2K proposed, $2K 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 2023-11-20.
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: 2025-07-01
2
samples
0
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz1
Respirable dust, <.1mg1
Show the individual readings (2)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2025-07-01
Quartz, respirable, >1% Qtz
0.15
Crusher Oper/Worker
2025-07-01
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
4
2025
3
2024
0
2023
2
2022
1
2021
2
2020
0
2019
0
2018
1
2017
1
2016
1
2015
1
2014
1
2013
1
2012
1
2011
0
2010
2
2009
5
2008
3
2007
1
Source: MSHA quarterly employment and production, updated weekly.
Portable Crusher #6 sits in Johnson County, Kansas, where the Census mining category is 0.1% 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.
Johnson County, Kansas · Population 614,764
0.1%
Mining share of county employment
$107,261
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
4,340
0
0
0.0
2026 Q1
3,738
0
0
0.0
2025 Q4
1,950
2
0
1025.6
2025 Q3
1,799
0
0
0.0
2025 Q2
1,701
0
0
0.0
2025 Q1
213
0
0
0.0
2024 Q3
0
0
0
2024 Q2
0
0
0
Show 60 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q1
0
0
0
2023 Q4
2
0
0
0.0
2023 Q3
316
3
1
9493.7
2023 Q2
0
0
0
2023 Q1
0
0
0
2022 Q4
0
0
0
2022 Q2
0
0
0
2022 Q1
505
0
0
0.0
2021 Q4
566
0
0
0.0
2021 Q2
123
0
0
0.0
2020 Q1
0
0
0
2019 Q4
0
0
0
2019 Q3
0
0
0
2019 Q2
0
0
0
2019 Q1
0
0
0
2018 Q4
0
0
0
2018 Q3
79
0
0
0.0
2018 Q2
440
0
0
0.0
2018 Q1
0
1
0
2017 Q4
151
0
0
0.0
2017 Q3
97
0
0
0.0
2017 Q2
0
0
0
2017 Q1
49
0
0
0.0
2016 Q4
58
0
0
0.0
2016 Q3
561
2
1
3565.1
2016 Q2
250
0
0
0.0
2016 Q1
57
0
0
0.0
2015 Q4
36
0
0
0.0
2015 Q3
606
0
0
0.0
2015 Q2
74
0
0
0.0
2015 Q1
70
0
0
0.0
2014 Q4
77
2
1
25974.0
2014 Q3
48
1
0
20833.3
2014 Q2
0
0
0
2014 Q1
27
0
0
0.0
2013 Q4
283
0
0
0.0
2013 Q3
90
0
0
0.0
2013 Q2
0
0
0
2013 Q1
0
1
0
2012 Q4
63
0
0
0.0
2012 Q3
70
0
0
0.0
2012 Q2
120
0
0
0.0
2012 Q1
80
0
0
0.0
2011 Q4
0
0
0
2011 Q3
0
0
0
2011 Q2
0
0
0
2011 Q1
0
0
0
2010 Q4
0
0
0
2010 Q3
154
1
1
6493.5
2010 Q2
165
0
0
0.0
2010 Q1
3
0
0
0.0
2009 Q4
94
0
0
0.0
2009 Q3
1,581
0
0
0.0
2009 Q2
483
0
0
0.0
2009 Q1
159
4
2
25157.2
2008 Q4
1,476
0
0
0.0
2008 Q3
1,713
0
0
0.0
2008 Q2
1,225
4
1
3265.3
2008 Q1
656
0
0
0.0
2007 Q4
9
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2025 · 1 incident
March 17, 2025KS · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
employee was cutting zip ties off of a bundle of hoses on a copco T45 drill boom. the employees knife slipped and went into the employees left inner forearm roughly 3 inches above the wrist. the employee received about a 3 inch long gash