Mining Incidents

50-10 Aggregate Prep Plant Metal/Non-Metal

ACA Products Inc · Surface
Johnson Village, Chaffee County, CO  ·  Intermittent
MSHA Mine ID: 0504774

50-10 Aggregate Prep Plant has $3K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2015
Latest incident
Mar 2015
Compliance record
MSHA citations since 2004
21
citations
5
significant & substantial
$2,711
proposed penalties
$2,711
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
20
inspections on record
293
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: 293 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

50-10 Aggregate Prep Plant has $3K 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.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
21 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-12-03.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4 714 1 0 1400.6
2025 Q3 208 0 0 0.0
2025 Q2 1,817 1 1 550.4
2025 Q1 2,336 0 0 0.0
2024 Q4 336 0 0 0.0
2024 Q3 526 0 0 0.0
2024 Q2 1,885 0 0 0.0
2024 Q1 2,193 0 0 0.0
Show 77 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 546 0 0 0.0
2023 Q3 0 0 0
2023 Q2 712 0 0 0.0
2023 Q1 2,025 0 0 0.0
2022 Q4 1,057 0 0 0.0
2022 Q3 503 0 0 0.0
2022 Q2 1,017 0 0 0.0
2022 Q1 2,099 0 0 0.0
2021 Q4 614 3 1 4886.0
2021 Q3 374 0 0 0.0
2021 Q2 305 1 0 3278.7
2021 Q1 1,622 0 0 0.0
2020 Q4 2,099 0 0 0.0
2020 Q3 0 0 0
2020 Q2 410 0 0 0.0
2020 Q1 2,161 0 0 0.0
2019 Q4 1,246 0 0 0.0
2019 Q3 411 0 0 0.0
2019 Q2 689 2 0 2902.8
2019 Q1 608 0 0 0.0
2018 Q4 774 0 0 0.0
2018 Q3 724 0 0 0.0
2018 Q2 1,095 0 0 0.0
2018 Q1 542 0 0 0.0
2017 Q4 452 0 0 0.0
2017 Q3 0 0 0
2017 Q2 274 0 0 0.0
2017 Q1 1,367 0 0 0.0
2016 Q4 272 0 0 0.0
2016 Q3 691 0 0 0.0
2016 Q2 691 0 0 0.0
2016 Q1 2,187 0 0 0.0
2015 Q4 315 0 0 0.0
2015 Q3 0 0 0
2015 Q2 451 0 0 0.0
2015 Q1 1,131 0 0 0.0
2014 Q4 0 0 0
2014 Q3 0 0 0
2014 Q2 277 0 0 0.0
2014 Q1 1,800 0 0 0.0
2013 Q4 554 0 0 0.0
2013 Q3 288 0 0 0.0
2013 Q2 841 2 0 2378.1
2013 Q1 1,339 0 0 0.0
2012 Q4 419 0 0 0.0
2012 Q3 535 0 0 0.0
2012 Q2 910 1 1 1098.9
2012 Q1 1,019 0 0 0.0
2011 Q4 202 0 0 0.0
2011 Q3 349 0 0 0.0
2011 Q2 241 0 0 0.0
2011 Q1 449 2 1 4454.3
2010 Q4 516 0 0 0.0
2010 Q3 338 0 0 0.0
2010 Q2 205 0 0 0.0
2010 Q1 658 0 0 0.0
2009 Q4 529 0 0 0.0
2009 Q3 853 2 0 2344.7
2009 Q2 552 0 0 0.0
2009 Q1 561 0 0 0.0
2007 Q4 0 0 0
2007 Q3 0 0 0
2007 Q2 0 1 0
2007 Q1 0 0 0
2006 Q4 0 0 0
2006 Q3 0 0 0
2006 Q2 646 0 0 0.0
2006 Q1 1,699 1 0 588.6
2005 Q4 328 0 0 0.0
2005 Q3 0 0 0
2005 Q2 706 0 0 0.0
2005 Q1 439 0 0 0.0
2004 Q4 318 0 0 0.0
2004 Q3 4 0 0 0.0
2004 Q2 149 0 0 0.0
2004 Q1 1,843 1 0 542.6
2003 Q4 642 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2015 · 1 incident

March 18, 2015 CO · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
ACA Products Inc · Struck by falling object

Employee was clearing the grizzly with a pry bar and rock landed on his left foot. Foot was swollen and bruised.

For insurers, brokers, and safety consultants

The full compliance file on 50-10 Aggregate Prep Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.