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Joliet MI, LLC: 461 MSHA citations Metal/Non-Metal

Joliet MI, LLC · Underground
Controlled by Michael P Vondra
Joliet, Will County, IL  ·  Active
MSHA Mine ID: 1103153

Joliet MI, LLC has $313K in proposed MSHA penalties and $200 outstanding across 11 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
9
Years on record
2018–2024
Latest incident
Apr 2024
Compliance record
MSHA citations since 2006
461
citations
95
significant & substantial
$312,947
proposed penalties
$277,382
paid to date
89% of proposed penalties paid to date, a $35,565 gap.
Source: MSHA violations data, updated weekly.
See Joliet MI, LLC's full MSHA compliance history →
Inspection activity
MSHA inspections since 2006
126
inspections on record
4,104
inspection hours
11.2
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.
461 citations across 4,104 inspection hours.
Source: MSHA inspections data, updated weekly.

Joliet MI, LLC has $313K in proposed MSHA penalties and $200 outstanding across 11 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.
$313K
proposed penalties
$278K
current assessed
$277K
paid to date
$200
outstanding
458 assessments are final orders; 11 contested dockets.
Of $79K in penalties contested before the Commission, $38K was upheld in final decisions.
As of the most recent assessment on 2026-04-22.
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.
20.7%
significant & substantial
11.1%
high negligence or reckless
20.7%
reasonably likely or greater
33.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 19.0% low, 69.9% moderate, 11.1% 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.
45 citations taken to the federal commission · 10% of citations on record
  • Settled 43 · 96%
  • Stood as issued 1 · 2%
  • Vacated or withdrawn 1 · 2%
95%
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 19 decided S&S contests · industry: 79%
52%
Penalty reduction in decided contests
$79K proposed, $38K 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 2022-05-22.
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
LAKE 2022-0131 Settlement McCarthy 2022 $40K → $12K
LAKE 2022-0109 Settlement Lewis 2022 $17K → $15K
LAKE 2022-0152 Settlement Simonton 2022 $5K → $4K
LAKE 2022-0085 Settlement Lewis 2022 $5K → $661
LAKE 2022-0086 Settlement Lewis 2022 $5K → $661
LAKE 2015-0479 Settlement Miller 2015 $3K → $2K
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: 2025-11-20
14%
of limit-tested samples over the exposure limit
85
samples
79
limit-tested
Most sampled contaminants
  • Diesel particulate (total carbon)6411 over
  • TC as EC @ 3506
  • TCarbon @ 3506
  • Nuisance dust, respirable, <1% Qtz5
Show the individual readings (100)
Date Contaminant Concentration Limit Conc / limit Occupation
2018-05-15 TC @ 160 172 160 1.08 Blaster, Powder Gang
2016-08-24 TC @ 160 194 160 1.21 Blaster, Powder Gang
2009-09-22 EC @ 160 189 160 1.18 Crusher Oper/Worker
2009-09-22 TC @ 160 227 160 1.42 Crusher Oper/Worker
2009-09-22 EC @ 160 173 160 1.08 Blaster, Powder Gang
2009-09-22 TC @ 160 221 160 1.38 Blaster, Powder Gang
2009-09-22 TC from EC @ 160 224 160 1.40 Roof Bolter, Rock
2009-09-22 EC @ 160 161 160 1.01 Roof Bolter, Rock
2009-09-22 TC @ 160 232 160 1.45 Roof Bolter, Rock
2009-09-22 TC from EC @ 160 240 160 1.50 Blaster, Powder Gang
2009-07-20 EC @ 160 437 160 2.73 Blaster, Powder Gang
2009-07-20 TC @ 160 489 160 3.06 Blaster, Powder Gang
2009-07-20 EC @ 160 436 160 2.73 Blaster, Powder Gang
2009-07-20 TC @ 160 485 160 3.03 Blaster, Powder Gang
2009-05-19 EC @ 160 351 160 2.19 Blaster, Powder Gang
2009-05-19 TC @ 160 433 160 2.71 Blaster, Powder Gang
2009-05-19 EC @ 160 330 160 2.06 Blaster, Powder Gang
2009-05-19 TC @ 160 448 160 2.80 Blaster, Powder Gang
2009-04-01 TC @ 160 210 160 1.31 Blaster, Powder Gang
2009-04-01 EC @ 160 184 160 1.15 Blaster, Powder Gang
2009-04-01 TC @ 160 161 160 1.01 Blaster, Powder Gang
2025-11-20 Nuisance dust, respirable, <1% Qtz 0.16 10 0.02 Front-end Loader Operator
2023-11-15 ORGANIC CARBON 0 Blaster, Powder Gang
2023-11-15 TC from EC @ 160 0 160 0.00 Blaster, Powder Gang
2023-11-15 TC from EC @ 160 0 160 0.00 Blaster, Powder Gang
2023-11-15 TC @ 160 54 160 0.34 Blaster, Powder Gang
2023-11-15 ORGANIC CARBON 0 Blaster, Powder Gang
2023-11-15 EC @ 160 46 160 0.29 Blaster, Powder Gang
2023-11-15 TC @ 160 65 160 0.41 Blaster, Powder Gang
2023-11-15 EC @ 160 41 160 0.26 Blaster, Powder Gang
2023-09-19 Respirable dust, <.1mg 0 Cleanup Man
2023-09-19 Unlisted Particulate, respirable, <1% Qtz 0.19 Mechanic
2023-09-19 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2023-09-19 Quartz, respirable, >1% Qtz 0.21 Front-end Loader Operator
2023-05-04 ORGANIC CARBON 0 Cleanup Man
2023-05-04 ORGANIC CARBON 0 Scaling (mechanical)
2023-05-04 TC from EC @ 160 0 160 0.00 Cleanup Man
2023-05-04 EC @ 160 79 160 0.49 Roof Bolter, Rock
2023-05-04 TC from EC @ 160 0 160 0.00 Drill Operator, Rotary Air
2023-05-04 EC @ 160 0 160 0.00 Cleanup Man
2023-05-04 ORGANIC CARBON 0 Drill Operator, Rotary Air
2023-05-04 TC from EC @ 160 0 160 0.00 Scaling (mechanical)
2023-05-04 TC @ 160 47 160 0.29 Cleanup Man
2023-05-04 EC @ 160 0 160 0.00 Scaling (mechanical)
2023-05-04 EC @ 160 0 160 0.00 Drill Operator, Rotary Air
2023-05-04 TC @ 160 102 160 0.64 Roof Bolter, Rock
2023-05-04 ORGANIC CARBON 0 Roof Bolter, Rock
2023-05-04 TC @ 160 37 160 0.23 Drill Operator, Rotary Air
2023-05-04 TC from EC @ 160 0 160 0.00 Roof Bolter, Rock
2023-05-04 TC @ 160 0 160 0.00 Scaling (mechanical)
2021-12-08 EC @ 160 0 160 0.00 Truck Driver
2021-12-08 ORGANIC CARBON 0 Drill Operator, Rotary
2021-12-08 TC @ 160 0 160 0.00 Truck Driver
2021-12-08 TC from EC @ 160 0 160 0.00 Front-end Loader Operator
2021-12-08 EC @ 160 0 160 0.00 Front-end Loader Operator
2021-12-08 ORGANIC CARBON 0 Front-end Loader Operator
2021-12-08 TC @ 160 63 160 0.39 Blaster, Powder Gang
2021-12-08 TC from EC @ 160 0 160 0.00 Truck Driver
2021-12-08 ORGANIC CARBON 0 Truck Driver
2021-12-08 TC @ 160 0 160 0.00 Drill Operator, Rotary
2021-12-08 ORGANIC CARBON 0 Forklift Operator
2021-12-08 ORGANIC CARBON 0 Scaling (mechanical)
2021-12-08 EC @ 160 0 160 0.00 Scaling (mechanical)
2021-12-08 TC @ 160 30 160 0.19 Scaling (mechanical)
2021-12-08 TC @ 160 46 160 0.29 Forklift Operator
2021-12-08 ORGANIC CARBON 0 Blaster, Powder Gang
2021-12-08 TC from EC @ 160 0 160 0.00 Blaster, Powder Gang
2021-12-08 TC from EC @ 160 0 160 0.00 Drill Operator, Rotary
2021-12-08 TC from EC @ 160 0 160 0.00 Scaling (mechanical)
2021-12-08 EC @ 160 46 160 0.29 Blaster, Powder Gang
2021-12-08 TC from EC @ 160 0 160 0.00 Blaster, Powder Gang
2021-12-08 EC @ 160 0 160 0.00 Drill Operator, Rotary
2021-12-08 EC @ 160 0 160 0.00 Forklift Operator
2021-12-08 TC @ 160 57 160 0.36 Blaster, Powder Gang
2021-12-08 TC from EC @ 160 0 160 0.00 Forklift Operator
2021-12-08 EC @ 160 45 160 0.28 Blaster, Powder Gang
2021-12-08 TC @ 160 34 160 0.21 Front-end Loader Operator
2021-12-08 ORGANIC CARBON 0 Blaster, Powder Gang
2021-09-15 EC @ 160 0 160 0.00 Front-end Loader Operator
2021-09-15 TC from EC @ 160 0 160 0.00 Front-end Loader Operator
2021-09-15 TC @ 160 81 160 0.51 Cleanup Man
2021-09-15 TC @ 160 0 160 0.00 Front-end Loader Operator
2021-09-15 TC from EC @ 160 0 160 0.00 Drill Operator, Jumbo Perc.
2021-09-15 ORGANIC CARBON 0 Cleanup Man
2021-09-15 EC @ 160 85 160 0.53 Drill Operator, Jumbo Perc.
2021-09-15 TC from EC @ 160 0 160 0.00 Scaling (mechanical)
2021-09-15 EC @ 160 35 160 0.22 Scaling (mechanical)
2021-09-15 TC @ 160 57 160 0.36 Scaling (mechanical)
2021-09-15 TC from EC @ 160 0 160 0.00 Cleanup Man
2021-09-15 EC @ 160 61 160 0.38 Cleanup Man
2021-09-15 TC @ 160 112 160 0.70 Drill Operator, Jumbo Perc.
2021-09-15 ORGANIC CARBON 0 Front-end Loader Operator
2021-09-15 ORGANIC CARBON 0 Drill Operator, Jumbo Perc.
2021-09-15 ORGANIC CARBON 0 Scaling (mechanical)
2021-04-27 EC @ 160 100 160 0.63 Blaster, Powder Gang
2021-04-27 TC @ 160 132 160 0.83 Blaster, Powder Gang
2021-04-27 TC from EC @ 160 0 160 0.00 Blaster, Powder Gang
2021-04-27 ORGANIC CARBON 0.03 Blaster, Powder Gang
2021-04-27 Nuisance dust, respirable, <1% Qtz 0.87 10 0.09 Scaling (mechanical)
2021-04-27 TC @ 160 139 160 0.87 Blaster, Powder Gang
Showing 100 of 238 laboratory readings: every over-limit reading, then the most recent. MSHA reads one air sample several times, so readings outnumber the samples counted above. The full set is in MSHA's Personal Health Samples file.

Area samples (mill and shop air)

Last sampled: 2023-11-15
6
samples
Show the individual readings (14)
Date Contaminant Concentration Limit Conc / limit Area sampled
2023-11-15 TC @ 160 0 UG ACTIVE MINING
2023-11-15 EC @ 160 0 UG ACTIVE MINING
2023-05-04 EC @ 160 0 UG TRAVEL/HAULAGE
2023-05-04 TC @ 160 0 UG TRAVEL/HAULAGE
2021-09-15 EC @ 160 0 UG ACTIVE MINING
2021-09-15 TC from EC @ 160 0 UG ACTIVE MINING
2021-09-15 TC from EC @ 160 0 UG ACTIVE MINING
2021-09-15 EC @ 160 0 UG ACTIVE MINING
2021-04-27 EC @ 160 0 UG ACTIVE MINING
2021-04-27 TC @ 160 0 UG ACTIVE MINING
2021-04-27 TC from EC @ 160 0 UG ACTIVE MINING
2009-09-22 TC @ 160 470 UG Active Mining
2009-09-22 EC @ 160 338 UG Active Mining
2009-09-22 TC from EC @ 160 0 UG Active Mining
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.

Joliet MI, LLC 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 Illinois, metal and nonmetal mining averaged 1.41 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
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2018 * 13.17 0.00 0.000
2017 * 0.00 0.00 0.000
2016 * 0.00 0.00 0.000
2009 * 0.00 0.00 0.000
2008 * 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. Mining International, LLC 2005 to 2015
  2. Joliet MI, LLC 2015 to present
  3. Fred Weber, Inc. 2016 to 2019
  4. American Mine Services, LLC 2020 to 2020
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 12
2025 15
2024 7
2023 18
2022 19
2021 9
2020 10
2019 6
2018 11
2017 8
2016 15
2015 8
2014 6
2013 6
2012 6
2011 6
2010 7
2009 10
2008 11
2007 9
2006 1
Source: MSHA quarterly employment and production, updated weekly.

Joliet MI, LLC sits in Will County, Illinois, 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.
Will County, Illinois · Population 698,450
0.1%
Mining share of county employment
$107,799
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 6,813 1 1 146.8
2026 Q1 2,360 2 0 847.5
2025 Q4 5,903 2 0 338.8
2025 Q3 9,448 2 0 211.7
2025 Q2 8,394 2 0 238.3
2025 Q1 1,739 1 0 575.0
2024 Q4 2,254 2 0 887.3
2024 Q3 5,517 2 0 362.5
Show 74 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 6,279 5 4 796.3
2024 Q1 1,046 0 0 0.0
2023 Q4 12,703 8 0 629.8
2023 Q3 9,865 10 3 1013.7
2023 Q2 19,978 14 3 700.8
2023 Q1 2,578 12 3 4654.8
2022 Q4 13,559 8 0 590.0
2022 Q3 10,595 11 0 1038.2
2022 Q2 6,708 0 0 0.0
2022 Q1 1,127 3 1 2661.9
2021 Q4 5,115 9 1 1759.5
2021 Q3 4,995 1 0 200.2
2021 Q2 3,431 2 0 582.9
2021 Q1 1,335 0 0 0.0
2020 Q4 5,982 4 3 668.7
2020 Q3 5,663 3 1 529.8
2020 Q2 6,094 1 0 164.1
2020 Q1 1,796 2 0 1113.6
2019 Q4 3,586 4 0 1115.4
2019 Q3 5,066 5 0 987.0
2019 Q2 1,999 6 2 3001.5
2019 Q1 2,280 1 0 438.6
2018 Q4 3,030 6 0 1980.2
2018 Q3 13,495 5 0 370.5
2018 Q2 12,122 3 0 247.5
2018 Q1 1,721 0 0 0.0
2017 Q4 1,557 2 0 1284.5
2017 Q3 8,209 0 0 0.0
2017 Q2 10,917 1 0 91.6
2017 Q1 2,237 0 0 0.0
2016 Q4 9,795 4 1 408.4
2016 Q3 13,028 6 0 460.5
2016 Q2 10,565 16 4 1514.4
2016 Q1 3,974 1 0 251.6
2015 Q4 4,756 9 2 1892.3
2015 Q3 1,062 2 0 1883.2
2015 Q2 3,651 3 1 821.7
2015 Q1 2,483 20 4 8054.8
2014 Q4 4,243 16 7 3770.9
2014 Q3 3,471 1 0 288.1
2014 Q2 2,579 11 2 4265.2
2014 Q1 1,975 11 2 5569.6
2013 Q4 3,088 3 0 971.5
2013 Q3 2,241 0 0 0.0
2013 Q2 2,238 0 0 0.0
2013 Q1 3,061 0 0 0.0
2012 Q4 2,274 0 0 0.0
2012 Q3 2,911 1 0 343.5
2012 Q2 2,225 0 0 0.0
2012 Q1 2,575 1 0 388.3
2011 Q4 2,578 1 0 387.9
2011 Q3 2,952 3 0 1016.3
2011 Q2 3,059 0 0 0.0
2011 Q1 2,752 0 0 0.0
2010 Q4 5,007 1 0 199.7
2010 Q3 2,383 1 0 419.6
2010 Q2 7,023 8 1 1139.1
2010 Q1 989 9 0 9100.1
2009 Q4 8,978 6 4 668.3
2009 Q3 7,473 4 3 535.3
2009 Q2 4,864 3 1 616.8
2009 Q1 3,112 5 0 1606.7
2008 Q4 5,483 2 0 364.8
2008 Q3 6,947 1 0 143.9
2008 Q2 5,944 6 0 1009.4
2008 Q1 5,772 1 0 173.3
2007 Q4 5,572 6 0 1076.8
2007 Q3 6,750 2 0 296.3
2007 Q2 6,303 8 0 1269.2
2007 Q1 5,354 1 0 186.8
2006 Q4 0 0 0
2006 Q3 1,000 0 0 0.0
2006 Q2 320 0 0 0.0
2006 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

9 on file

2024 · 1 incident

April 3, 2024 IL · Metal/Non-Metal truck driver POWERED HAULAGE
Joliet MI, LLC · Struck against a moving object

Miner was operating a haul truck and bringing sand to the underground mine. The haul truck struck the side rib of the decline shaft. The miner suffered rib fractures as a result of the impact.

2021 · 3 incidents

October 15, 2021 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Joliet MI, LLC · Caught in, under or between a moving and a stationary object

Employee was trying to free blockage of rock/material in a tail pulley using a pry bar. The pry bar slipped and the employee fractured EE's right ring finger. Equipment was de-energized and locked out when employee performed this task.

August 9, 2021 IL · Metal/Non-Metal blaster, shooter, shotfirer, explosive worker, powder gang/monkey STEPPING OR KNEELING ON OBJECT
Joliet MI, LLC · Struck against stationary object

Employee dismounted the basket of the ANFO Loader and stepped on a chunk of limestone, twisting EE's left ankle.

April 5, 2021 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Joliet MI, LLC · Over-exertion in lifting objects

Employee states was working with a come along when employee felt a pop in shoulder. The employee did not report the accident to supervisor. When the supervisor became aware of the allegation the employee was taken to the clinic for a medical evaluation and released with no prescription medication, told to rest shoulder and return for a follow up exam in a few days.

2019 · 3 incidents

October 29, 2019 IL · Metal/Non-Metal driller operator SLIP OR FALL OF PERSON
Joliet MI, LLC · Fall to the walkway or working surface

Employee stated that the compressor on the drill overheated, as a precaution, the employee exited the machine and jumped over a berm.

September 13, 2019 IL · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Joliet MI, LLC · Over-exertion in pulling or pushing objects

Employee stated was changing a hose on the roof bolter, pulling on the hose, and had discomfort in the right arm. Employee started physical therapy on Nov 4 to make injury reportable.

August 21, 2019 IL · Metal/Non-Metal roof bolter, rock bolter, pinner, mobile roof support operator (mrs) MACHINERY
Joliet MI, LLC · Caught in, under or between a moving and a stationary object

Employee stated EE pinched finger between the boom and the basket when the stop block broke off and allowed the boom to lower more than typical.

2018 · 2 incidents

September 11, 2018 IL · Metal/Non-Metal bull gang foreman, labor foreman, leadman, section foreman, shift boss POWERED HAULAGE
Fred Weber, Inc. · Struck by flying object

Employee stated was standing along a conveyor while it was being started when a rock came off the conveyor and struck them on the hardhat.

June 20, 2018 IL · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Fred Weber, Inc. · Caught in, under or between a moving and a stationary object

Employee stated ee was helping splicing a belt and pinched finger in the belt clamp