Mining Incidents

Mobile Crusher - 76-4034 Metal/Non-Metal

Rock Springs, Sweetwater County, WY  ·  Active
MSHA Mine ID: 4800284

Mobile Crusher - 76-4034 has $52K in proposed MSHA penalties and $259 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2002
64
citations
17
significant & substantial
$51,767
proposed penalties
$35,493
paid to date
69% of proposed penalties paid to date, a $16,274 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
53
inspections on record
472
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: 472 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Mobile Crusher - 76-4034 has $52K in proposed MSHA penalties and $259 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.
$52K
proposed penalties
$36K
current assessed
$35K
paid to date
$259
outstanding
64 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-10-09.
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 1,512 1 0 661.4
2025 Q3 1,243 0 0 0.0
2025 Q2 2,071 0 0 0.0
2025 Q1 2,089 0 0 0.0
2024 Q4 1,641 1 0 609.4
2024 Q3 2,070 0 0 0.0
2024 Q2 1,791 0 0 0.0
2024 Q1 1,119 2 0 1787.3
Show 95 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,434 0 0 0.0
2023 Q3 2,048 0 0 0.0
2023 Q2 2,894 0 0 0.0
2023 Q1 1,551 0 0 0.0
2022 Q4 1,081 0 0 0.0
2022 Q2 1,155 0 0 0.0
2022 Q1 1,904 3 0 1575.6
2021 Q4 1,472 0 0 0.0
2021 Q3 2,145 16 11 7459.2
2021 Q2 2,385 0 0 0.0
2021 Q1 1,749 0 0 0.0
2020 Q4 1,232 9 2 7305.2
2020 Q3 2,903 0 0 0.0
2020 Q2 1,728 1 0 578.7
2020 Q1 842 0 0 0.0
2019 Q4 1,031 0 0 0.0
2019 Q3 1,464 0 0 0.0
2019 Q2 1,252 1 0 798.7
2019 Q1 951 0 0 0.0
2018 Q4 933 0 0 0.0
2018 Q3 1,475 0 0 0.0
2018 Q2 1,253 0 0 0.0
2018 Q1 413 0 0 0.0
2017 Q4 1,044 0 0 0.0
2017 Q3 1,729 0 0 0.0
2017 Q2 1,765 0 0 0.0
2017 Q1 950 0 0 0.0
2016 Q4 2,729 8 0 2931.5
2016 Q3 3,606 0 0 0.0
2016 Q2 2,720 1 0 367.6
2016 Q1 1,861 0 0 0.0
2015 Q4 1,236 0 0 0.0
2015 Q3 1,799 7 0 3891.1
2015 Q2 1,146 0 0 0.0
2015 Q1 738 2 0 2710.0
2014 Q4 976 0 0 0.0
2014 Q3 805 0 0 0.0
2014 Q2 606 0 0 0.0
2014 Q1 438 0 0 0.0
2013 Q4 866 0 0 0.0
2013 Q3 1,213 0 0 0.0
2013 Q2 1,179 0 0 0.0
2013 Q1 1,025 0 0 0.0
2012 Q4 1,175 0 0 0.0
2012 Q3 1,331 1 0 751.3
2012 Q2 1,355 0 0 0.0
2012 Q1 1,083 0 0 0.0
2011 Q4 1,733 0 0 0.0
2011 Q3 2,374 0 0 0.0
2011 Q2 1,254 2 0 1594.9
2011 Q1 492 0 0 0.0
2010 Q4 939 0 0 0.0
2010 Q3 1,107 0 0 0.0
2010 Q2 1,122 0 0 0.0
2010 Q1 1,036 0 0 0.0
2009 Q4 1,252 0 0 0.0
2009 Q3 1,363 0 0 0.0
2009 Q2 1,444 0 0 0.0
2009 Q1 1,188 0 0 0.0
2008 Q4 1,157 0 0 0.0
2008 Q3 635 0 0 0.0
2008 Q2 489 0 0 0.0
2008 Q1 566 1 0 1766.8
2007 Q4 585 0 0 0.0
2007 Q3 898 0 0 0.0
2007 Q2 1,026 0 0 0.0
2007 Q1 40 0 0 0.0
2006 Q4 287 0 0 0.0
2006 Q3 874 5 4 5720.8
2006 Q2 391 0 0 0.0
2006 Q1 586 0 0 0.0
2005 Q4 570 0 0 0.0
2005 Q3 1,373 0 0 0.0
2005 Q2 1,468 1 0 681.2
2005 Q1 1,132 0 0 0.0
2004 Q4 1,149 0 0 0.0
2004 Q3 1,133 0 0 0.0
2004 Q2 1,156 1 0 865.1
2004 Q1 1,069 0 0 0.0
2003 Q4 1,127 0 0 0.0
2003 Q3 1,052 0 0 0.0
2003 Q2 1,271 0 0 0.0
2003 Q1 1,432 0 0 0.0
2002 Q4 1,262 0 0 0.0
2002 Q3 1,114 1 0 897.7
2002 Q2 1,390 0 0 0.0
2002 Q1 1,078 0 0 0.0
2001 Q4 1,100 0 0 0.0
2001 Q3 943 0 0 0.0
2001 Q2 1,457 0 0 0.0
2001 Q1 1,110 0 0 0.0
2000 Q4 1,049 0 0 0.0
2000 Q3 1,020 0 0 0.0
2000 Q2 1,252 0 0 0.0
2000 Q1 360 0 0 0.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

For insurers, brokers, and safety consultants

The full compliance file on Mobile Crusher - 76-4034

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.