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Amrize Fourmile (J&J Stone Pit #1): 15 MSHA citations Metal/Non-Metal

Controlled by Amrize Ltd
Canon City, Fremont County, CO  ·  Intermittent
MSHA Mine ID: 0504983

Amrize Fourmile (J&J Stone Pit #1) has had no fatalities among 1 reportable incident since 2019. MSHA has proposed $2K in penalties since 2015.

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Fatalities
0
Total incidents
1
Years on record
2019
Latest incident
Feb 2019
Compliance record
MSHA citations since 2015
15
citations
0
significant & substantial
$2,009
proposed penalties
$2,009
paid to date
100% of proposed penalties paid to date. The remaining $0 was reduced, settled, contested or is still owed.
Source: MSHA violations data, updated weekly.
See Amrize West Central Inc.'s full MSHA compliance history →
Inspection activity
MSHA inspections since 2011
18
inspections on record
253
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: 253 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 Fourmile (J&J Stone Pit #1) has $2K in proposed MSHA penalties and $0 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
15 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-11-13.
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.
0.0%
significant & substantial
0.0%
high negligence or reckless
0.0%
reasonably likely or greater
40.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 26.7% low, 73.3% 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: 2024-07-17
0%
of limit-tested samples over the exposure limit
9
samples
1
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg8
  • Quartz, respirable, >1% Qtz1
Show the individual readings (9)
Date Contaminant Concentration Limit Conc / limit Occupation
2024-07-17 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-12-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-12-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-12-29 Respirable dust, <.1mg 0 Bobcat Operator
2021-03-17 Respirable dust, <.1mg 0 Front-end Loader Operator
2021-03-17 Respirable dust, <.1mg 0 Forklift Operator
2021-03-17 Respirable dust, <.1mg 0 Forklift Operator
2016-11-16 Quartz, respirable, >1% Qtz 0.14 0.6 0.23 Forklift Operator
2016-11-16 Respirable dust, <.1mg 0 Bobcat 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.
Ownership history
  1. Krauthco Inc 2011 to 2019
  2. Pioneer Sand Company 2019 to 2023
  3. Amrize West Central Inc. 2023 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 2
2025 2
2024 3
2023 4
2022 5
2021 5
2020 3
2019 3
2018 3
2017 2
2016 2
2015 2
2014 1
2013 1
2012 1
2011 1
Source: MSHA quarterly employment and production, updated weekly; years before 2000 come from MSHA's archived Part 50 employment files.

Amrize Fourmile (J&J Stone Pit #1) sits in Fremont County, Colorado, where the Census mining category is 0.6% 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.
Fremont County, Colorado · Population 49,394
0.6%
Mining share of county employment
$61,027
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; earlier incidents are counted but not rate-adjusted, though reported hours reach back to 1983. 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 540 0 0 0.0
2026 Q1 160 0 0 0.0
2025 Q4 480 1 0 2083.3
2025 Q3 520 0 0 0.0
2025 Q2 1,950 0 0 0.0
2025 Q1 1,440 0 0 0.0
2024 Q4 960 2 0 2083.3
2024 Q3 2,263 0 0 0.0
Show 52 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 1,480 0 0 0.0
2024 Q1 1,849 1 0 540.8
2023 Q4 1,789 0 0 0.0
2023 Q3 2,696 0 0 0.0
2023 Q2 2,040 1 0 490.2
2023 Q1 706 1 0 1416.4
2022 Q4 2,400 1 0 416.7
2022 Q3 2,400 0 0 0.0
2022 Q2 2,400 1 0 416.7
2022 Q1 1,920 0 0 0.0
2021 Q4 2,400 2 0 833.3
2021 Q3 2,400 0 0 0.0
2021 Q2 2,400 0 0 0.0
2021 Q1 2,400 0 0 0.0
2020 Q4 1,920 0 0 0.0
2020 Q3 1,440 0 0 0.0
2020 Q2 1,261 0 0 0.0
2020 Q1 1,240 0 0 0.0
2019 Q4 439 2 0 4555.8
2019 Q3 1,440 0 0 0.0
2019 Q2 430 1 0 2325.6
2019 Q1 506 0 0 0.0
2018 Q4 1,014 0 0 0.0
2018 Q3 640 0 0 0.0
2018 Q2 768 0 0 0.0
2018 Q1 284 1 0 3521.1
2017 Q4 300 0 0 0.0
2017 Q3 160 0 0 0.0
2017 Q2 420 0 0 0.0
2017 Q1 180 0 0 0.0
2016 Q4 240 0 0 0.0
2016 Q3 320 0 0 0.0
2016 Q2 300 0 0 0.0
2016 Q1 240 0 0 0.0
2015 Q4 160 1 0 6250.0
2015 Q3 120 0 0 0.0
2015 Q2 0 0 0
2015 Q1 40 0 0 0.0
2014 Q4 40 0 0 0.0
2014 Q3 40 0 0 0.0
2014 Q2 16 0 0 0.0
2014 Q1 0 0 0
2013 Q4 0 0 0
2013 Q3 8 0 0 0.0
2013 Q2 0 0 0
2013 Q1 0 0 0
2012 Q4 8 0 0 0.0
2012 Q3 0 0 0
2012 Q2 0 0 0
2011 Q4 0 0 0
2011 Q3 112 0 0 0.0
2011 Q2 0 0 0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2019 · 1 incident

February 11, 2019 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Krauthco Inc · Struck by... (Not Elsewhere Classified)

employee was assisting in removal of a water tank, from the back of a truck. The tank has a set of steel arms that lock it into position. The employee's hand was cut by a steel shard, on the steel arm, while dragging tank out of truck. the employee received a long cut on the palm of the hand, requiring stitches. the employee was wearing safety gloves, during the incident.