Amrize Aux Sable Plant has $50K in proposed MSHA penalties and $93 outstanding across 1 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
13
Years on record
2004–2015
Latest incident
Oct 2015
Compliance record
MSHA citations since 2001
162
citations
25
significant & substantial
$49,939
proposed penalties
$49,846
paid to date
100% of proposed penalties paid to date, a $93 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: 984 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Amrize Aux Sable Plant has $50K in proposed MSHA penalties and $93 outstanding across 1 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.
$50K
proposed penalties
$50K
current assessed
$50K
paid to date
$93
outstanding
162 assessments are final orders; 1 contested dockets.
Of $226 in penalties contested before the Commission, $226 was upheld in final decisions.
As of the most recent assessment on 2025-05-30.
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: 2025-09-30
0%
of limit-tested samples over the exposure limit
14
samples
5
limit-tested
Most sampled contaminants
Respirable dust, <.1mg8
Quartz, respirable, >1% Qtz4
Nuisance dust, respirable, <1% Qtz2
Show the individual readings (14)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2025-09-30
Respirable dust, <.1mg
0
Front-end Loader Operator
2025-09-30
Quartz, respirable, >1% Qtz
0.13
Front-end Loader Operator
2019-10-01
Nuisance dust, respirable, <1% Qtz
0.3
10
0.03
Dry Screen Plant Operator
2019-10-01
Nuisance dust, respirable, <1% Qtz
0.21
10
0.02
Front-end Loader Operator
2019-10-01
Respirable dust, <.1mg
0
Jackhammer Operator
2015-01-14
Respirable dust, <.1mg
0
Front-end Loader Operator
2013-05-30
Respirable dust, <.1mg
0
Utility Man
2013-05-30
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-03-25
Respirable dust, <.1mg
0
Forklift Operator
2011-03-25
Quartz, respirable, >1% Qtz
1.24
2.79
0.44
Bulldozer Operator
2011-03-25
Respirable dust, <.1mg
0
Front-end Loader Operator
2011-03-25
Quartz, respirable, >1% Qtz
0.26
1.61
0.16
Truck Driver
2011-03-25
Quartz, respirable, >1% Qtz
0.31
2.32
0.13
Crusher Oper/Worker
2003-05-20
Respirable dust, <.1mg
0
Crusher Oper/Worker
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.
Amrize Aux Sable Plant 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
2018 *
0.00
0.00
0.000
2017 *
0.00
0.00
0.000
2016 *
0.00
0.00
0.000
2015 *
9.52
0.00
0.000
2014 *
0.00
0.00
0.000
2011 *
6.66
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2026
11
2025
10
2024
9
2023
9
2022
9
2021
9
2020
7
2019
9
2018
12
2017
14
2016
11
2015
10
2014
9
2013
6
2012
8
2011
14
2010
18
2009
11
2008
16
2007
19
2006
20
2005
17
2004
16
2003
11
2002
11
2001
5
2000
5
Source: MSHA quarterly employment and production, updated weekly.
Amrize Aux Sable Plant sits in Grundy County, Illinois, where the Census mining category is 0.5% 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.
Grundy County, Illinois · Population 52,920
0.5%
Mining share of county employment
$93,060
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
Employee was performing a routine pre-shift inspection on an excavator when he lost his balance. He reached out to stabilize himself using the machines air pre-cleaner filter housing. The pinky finger was the only part of the hand to make contact with the surface resulting in a tear in the skin requiring multiple stitches and a fracture to the upper portion of the finger.
On May 18th the main sand plant generator shut down on high coolant temperature. The site glass for the radiator did not show any fluid in it. The plant operator got antifreeze to fill the radiator. He attempted to removed the after cooler radiator cap and the pressure caused some antifreeze to be sprayed onto his left forearm. He was treated for a chemical burn.
January 12, 2012IL · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
While getting into the cab of our Cat D8 Dozer to check the seatbelt for proper operation. The employee opened the door while standing on the platform and the door opened all the way. The employee lost his balance slipped off the machine and fell six feet to the ground striking his face. He was taken to the emergency room for treatment of multiple lacerations and fractures.
2011 · 1 incident
September 26, 2011IL · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
While assisting a co worker repair the feeder. The co worker was performing grinding activities. The employee was wearing his safety glasses and felt something in his eye. The following day he was seen at the clinic for removal of a piece of metal and drilling to remove rust. He was allowed to return to work on 09/28/2011
2010 · 1 incident
November 15, 2010IL · Metal/Non-Metalminer, prospector, necMACHINERY
While pulling on a bar EE slipped backward; lost his balance fell on the ground then bar struck EE on left side of forehead causing a cut. Landing on his wrist while falling caused a fracture in the right wrist.
February 21, 2008IL · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanSLIP OR FALL OF PERSON