Mining Incidents

Mercer Fraser Plant B Portable Crusher Metal/Non-Metal

Mercer Fraser Co · Surface
FORTUNA, Humboldt County, CA  ·  Intermittent
MSHA Mine ID: 0405108

Mercer Fraser Plant B Portable Crusher has $29K in proposed MSHA penalties and $0 outstanding across 8 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
2000–2018
Latest incident
Oct 2018
Compliance record
MSHA citations since 2000
95
citations
23
significant & substantial
$28,764
proposed penalties
$28,764
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
41
inspections on record
555
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: 555 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Mercer Fraser Plant B Portable Crusher has $29K in proposed MSHA penalties and $0 outstanding across 8 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.
$29K
proposed penalties
$29K
current assessed
$29K
paid to date
$0
outstanding
91 assessments are final orders; 8 contested dockets.
As of the most recent assessment on 2025-03-25.
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 548 0 0 0.0
2025 Q3 1,723 0 0 0.0
2025 Q2 1,099 0 0 0.0
2025 Q1 487 1 0 2053.4
2024 Q4 1,759 0 0 0.0
2024 Q3 4,729 2 1 422.9
2024 Q2 2,088 0 0 0.0
2024 Q1 668 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,850 0 0 0.0
2023 Q3 3,737 0 0 0.0
2023 Q2 60 0 0 0.0
2023 Q1 909 0 0 0.0
2022 Q4 3,111 0 0 0.0
2022 Q3 6,299 3 0 476.3
2022 Q2 1,544 0 0 0.0
2022 Q1 520 0 0 0.0
2021 Q4 645 0 0 0.0
2021 Q3 2,642 0 0 0.0
2021 Q2 406 2 0 4926.1
2021 Q1 0 0 0
2020 Q4 759 0 0 0.0
2020 Q3 688 0 0 0.0
2020 Q2 1,349 0 0 0.0
2020 Q1 506 6 0 11857.7
2019 Q4 1,389 0 0 0.0
2019 Q3 690 0 0 0.0
2019 Q2 1,309 0 0 0.0
2019 Q1 379 0 0 0.0
2018 Q4 1,721 6 3 3486.3
2018 Q3 2,398 0 0 0.0
2018 Q2 1,383 0 0 0.0
2018 Q1 97 0 0 0.0
2017 Q4 258 1 1 3876.0
2017 Q3 154 0 0 0.0
2017 Q2 258 0 0 0.0
2017 Q1 11 0 0 0.0
2016 Q4 480 0 0 0.0
2016 Q3 448 0 0 0.0
2016 Q2 260 0 0 0.0
2016 Q1 191 0 0 0.0
2015 Q4 319 0 0 0.0
2015 Q3 317 0 0 0.0
2015 Q2 142 5 2 35211.3
2015 Q1 16 0 0 0.0
2014 Q4 938 0 0 0.0
2014 Q3 1,304 0 0 0.0
2014 Q2 129 0 0 0.0
2014 Q1 195 0 0 0.0
2013 Q4 1,072 0 0 0.0
2013 Q3 1,202 2 1 1663.9
2013 Q2 843 0 0 0.0
2013 Q1 58 0 0 0.0
2012 Q4 221 0 0 0.0
2012 Q3 343 1 0 2915.5
2012 Q2 429 0 0 0.0
2012 Q1 0 0 0
2011 Q4 196 0 0 0.0
2011 Q3 902 0 0 0.0
2011 Q2 1,036 0 0 0.0
2011 Q1 696 7 2 10057.5
2010 Q4 258 3 0 11627.9
2010 Q3 124 5 3 40322.6
2010 Q2 8 0 0 0.0
2010 Q1 2 0 0 0.0
2009 Q4 581 6 2 10327.0
2009 Q3 886 0 0 0.0
2009 Q2 1,323 0 0 0.0
2009 Q1 261 0 0 0.0
2008 Q4 424 9 4 21226.4
2008 Q3 582 0 0 0.0
2008 Q2 170 0 0 0.0
2008 Q1 48 0 0 0.0
2007 Q4 2,131 6 1 2815.6
2007 Q3 4,473 8 2 1788.5
2007 Q2 1,925 0 0 0.0
2007 Q1 1,035 0 0 0.0
2006 Q4 224 0 0 0.0
2006 Q3 588 0 0 0.0
2006 Q2 362 0 0 0.0
2006 Q1 97 0 0 0.0
2005 Q4 309 0 0 0.0
2005 Q3 809 2 0 2472.2
2005 Q2 525 0 0 0.0
2005 Q1 111 1 0 9009.0
2004 Q4 34 0 0 0.0
2004 Q3 8 0 0 0.0
2004 Q2 8 0 0 0.0
2004 Q1 6 0 0 0.0
2003 Q4 18 2 0 111111.1
2003 Q3 97 4 0 41237.1
2003 Q2 0 0 0
2003 Q1 0 0 0
2002 Q4 16 0 0 0.0
2002 Q3 1,211 1 0 825.8
2002 Q2 1,391 0 0 0.0
2002 Q1 286 0 0 0.0
2001 Q4 290 0 0 0.0
2001 Q3 439 0 0 0.0
2001 Q2 622 0 0 0.0
2001 Q1 0 0 0
2000 Q4 521 1 1 1919.4
2000 Q3 2,096 11 0 5248.1
2000 Q2 871 0 0 0.0
2000 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2018 · 1 incident

October 1, 2018 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Mercer Fraser Co · Struck against a moving object

Articulating dump truck driver lost control of vehicle and was knocked unconscious, resulting in a collision with a front end loader. Truck driver sustained head trauma as a result.

2000 · 1 incident

June 15, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Mercer Fraser Co · Fall onto or against objects

EE STEPPED OFF THE CATWALK OF THE SCREEN WHERE THE LADDER BEGINS, HE FELL ON THE LADDER HANDLE HITTING HIS RIBS.

For insurers, brokers, and safety consultants

The full compliance file on Mercer Fraser Plant B Portable Crusher

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.