Mining Incidents

Benjamin: 54 MSHA citations Metal/Non-Metal

Kilgore Contracting · Surface
Controlled by Summit Materials LLC
Benjamin, Utah County, UT  ·  Active
MSHA Mine ID: 4202528

Benjamin has $14K in proposed MSHA penalties and $306 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
4
Years on record
2019–2026
Latest incident
Jun 2026
Compliance record
MSHA citations since 2010
54
citations
17
significant & substantial
$14,061
proposed penalties
$13,755
paid to date
98% of proposed penalties paid to date, a $306 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2009
30
inspections on record
432
inspection hours
n/a
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: 432 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Benjamin has $14K in proposed MSHA penalties and $306 outstanding across 0 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
$14K
current assessed
$14K
paid to date
$306
outstanding
54 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-04-29.
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.
31.5%
significant & substantial
0.0%
high negligence or reckless
31.5%
reasonably likely or greater
88.9%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 3.7% low, 96.3% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, 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: 2023-11-08
21%
of limit-tested samples over the exposure limit
24
samples
14
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz143 over
  • Respirable dust, <.1mg9
  • Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (24)
Date Contaminant Concentration Limit Conc / limit Occupation
2018-08-07 Quartz, respirable, >1% Qtz 0.81 0.58 1.40 Bulldozer Operator
2015-07-29 Quartz, respirable, >1% Qtz 0.62 0.47 1.32 Bulldozer Operator
2011-09-14 Quartz, respirable, >1% Qtz 0.4 0.25 1.60 Cleanup Man
2023-11-08 Respirable dust, <.1mg 0 Front-end Loader Operator
2023-11-08 Respirable dust, <.1mg 0 Front-end Loader Operator
2023-11-08 Respirable dust, <.1mg 0 Bulldozer Operator
2019-10-16 Quartz, respirable, >1% Qtz 0.29 0.86 0.34 Front-end Loader Operator
2019-10-16 Respirable dust, <.1mg 0 Backhoe Operator
2019-10-16 Quartz, respirable, >1% Qtz 0.73 0.74 0.99 Laborer, Bullgang
2019-10-16 Quartz, respirable, >1% Qtz 0.31 0.57 0.54 Dry Screen Plant Operator
2018-10-11 Quartz, respirable, >1% Qtz 0.73 1.06 0.69 Backhoe Operator
2018-10-11 Respirable dust, <.1mg 0 Bulldozer Operator
2018-10-11 Respirable dust, <.1mg 0 Crusher Oper/Worker
2018-10-11 Quartz, respirable, >1% Qtz 0.26 0.71 0.37 Front-end Loader Operator
2018-10-11 Quartz, respirable, >1% Qtz 0.17 1.17 0.15 Front-end Loader Operator
2018-08-07 Quartz, respirable, >1% Qtz 0.34 0.59 0.58 Front-end Loader Operator
2018-08-07 Quartz, respirable, >1% Qtz 0.81 0.88 0.92 Laborer, Bullgang
2015-10-08 Respirable dust, <.1mg 0 Front-end Loader Operator
2015-07-29 Unlisted Particulate, respirable, <1% Qtz 0.13 Front-end Loader Operator
2015-07-29 Quartz, respirable, >1% Qtz 0.48 0.55 0.87 Crusher Oper/Worker
2015-07-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2011-10-20 Respirable dust, <.1mg 0 Cleanup Man
2011-10-20 Quartz, respirable, >1% Qtz 0.15 0.56 0.27 Crusher Oper/Worker
2011-09-14 Quartz, respirable, >1% Qtz 0.26 0.35 0.74 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.

Benjamin recorded 0.00 reportable injury cases per 100 full-time workers in 2022.

Injury rate, 2022
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
No reportable injury cases in any year shown. Employee-hours were reported in each of those years, so these are true zeros rather than missing data. Citations, listed in the compliance record above, are inspector-found violations and are counted separately from worker injuries.
Below average. The US metal and nonmetal mining average was 1.78 and the all-US-mining average was 2.12 cases per 100 workers.
In Utah, metal and nonmetal mining averaged 1.12 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.
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. Kilgore Pavement Maintenance 2009 to 2010
  2. Kilgore Contracting 2010 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 11
2025 6
2024 7
2023 7
2022 8
2021 7
2020 7
2019 8
2018 8
2017 5
2016 4
2015 4
2014 2
2013 0
2012 0
2011 3
2010 3
2009 8
Source: MSHA quarterly employment and production, updated weekly.

Benjamin sits in Utah County, Utah, where the Census mining category is 0.2% 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.
Utah County, Utah · Population 683,622
0.2%
Mining share of county employment
$96,877
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 6,355 2 0 314.7
2026 Q1 5,231 0 0 0.0
2025 Q4 4,131 4 0 968.3
2025 Q3 3,228 0 0 0.0
2025 Q2 4,440 1 1 225.2
2025 Q1 2,940 0 0 0.0
2024 Q4 2,839 2 0 704.5
2024 Q3 4,521 0 0 0.0
Show 58 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 5,388 0 0 0.0
2024 Q1 4,475 0 0 0.0
2023 Q4 5,384 0 0 0.0
2023 Q3 5,860 0 0 0.0
2023 Q2 4,563 3 0 657.5
2023 Q1 2,983 0 0 0.0
2022 Q4 5,556 2 0 360.0
2022 Q3 5,850 0 0 0.0
2022 Q2 5,646 0 0 0.0
2022 Q1 4,779 10 1 2092.5
2021 Q4 4,801 0 0 0.0
2021 Q3 4,611 0 0 0.0
2021 Q2 5,142 0 0 0.0
2021 Q1 3,963 0 0 0.0
2020 Q4 3,452 4 0 1158.7
2020 Q3 5,653 0 0 0.0
2020 Q2 5,283 2 0 378.6
2020 Q1 3,717 0 0 0.0
2019 Q4 4,191 1 0 238.6
2019 Q3 4,865 0 0 0.0
2019 Q2 3,734 0 0 0.0
2019 Q1 2,874 4 1 1391.8
2018 Q4 4,628 0 0 0.0
2018 Q3 4,814 7 7 1454.1
2018 Q2 4,432 0 0 0.0
2018 Q1 4,361 0 0 0.0
2017 Q4 3,686 0 0 0.0
2017 Q3 4,516 2 1 442.9
2017 Q2 2,911 0 0 0.0
2017 Q1 1,167 0 0 0.0
2016 Q4 1,246 0 0 0.0
2016 Q3 4,471 0 0 0.0
2016 Q2 2,135 0 0 0.0
2016 Q1 1,250 0 0 0.0
2015 Q4 709 0 0 0.0
2015 Q3 2,335 5 2 2141.3
2015 Q2 4,277 0 0 0.0
2015 Q1 151 0 0 0.0
2014 Q4 0 0 0
2014 Q3 2,155 0 0 0.0
2014 Q2 1,327 0 0 0.0
2014 Q1 0 0 0
2013 Q4 0 0 0
2013 Q3 0 0 0
2013 Q2 0 0 0
2013 Q1 0 0 0
2012 Q4 0 0 0
2012 Q3 0 0 0
2012 Q1 0 0 0
2011 Q4 1,380 1 1 724.6
2011 Q3 1,223 1 1 817.7
2011 Q1 6 0 0 0.0
2010 Q4 438 0 0 0.0
2010 Q3 820 0 0 0.0
2010 Q2 2,004 1 0 499.0
2010 Q1 0 0 0
2009 Q4 3,747 0 0 0.0
2009 Q3 4,043 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

4 on file

2026 · 1 incident

June 1, 2026 UT · Metal/Non-Metal outside foreman, leadman POWERED HAULAGE
Kilgore Contracting · Caught in, under or between a moving and a stationary object

An employee was cleaning accumulated mud from around a machine guard when their tool contacted the moving conveyor belt. This contact caused the tool to pull forward, pinching the employee's hand against the gearbox. The incident resulted in lacerations that required medical treatment, including stitches.

2024 · 1 incident

April 22, 2024 UT · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Kilgore Contracting · Struck by... (Not Elsewhere Classified)

EE was using a razor knife to cut a piece of hose to use as a piece of material to cover wiring. EE applied too much pressure and the blade went through the hose and into EE's left hand that EE was using to hold the material in place. EE received stitches to EE's LFT hand at the clinic and was released back to work with attention not to aggravate the same day.

2023 · 1 incident

April 19, 2023 UT · Metal/Non-Metal miner, prospector, nec HANDLING OF MATERIALS
Kilgore Contracting · Caught in, under or between a moving and a stationary object

April 19, 2023, Employee was doing maintenance on a Hydraulic ram when the ram slipped when attaching the ram striking the employees left hand causing injury.

2019 · 1 incident

September 26, 2019 UT · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Kilgore Contracting · Struck against stationary object

While removing an attachment to a piece of equipment the employees arm slipped and was cut on a sharp sliver of metal on the equipment.