Mining Incidents

Sandy Prairie Portable Crusher Plant A Metal/Non-Metal

Mercer Fraser Co · Surface
Fortuna, Humboldt County, CA  ·  Intermittent
MSHA Mine ID: 0402764

Sandy Prairie Portable Crusher Plant A has $22K in proposed MSHA penalties and $0 outstanding across 4 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
2001–2005
Latest incident
Sep 2005
Compliance record
MSHA citations since 2000
98
citations
27
significant & substantial
$22,334
proposed penalties
$21,871
paid to date
98% of proposed penalties paid to date, a $463 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
41
inspections on record
579
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: 579 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Sandy Prairie Portable Crusher Plant A has $22K in proposed MSHA penalties and $0 outstanding across 4 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.
$22K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
94 assessments are final orders; 4 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 685 2 0 2919.7
2025 Q3 2,439 0 0 0.0
2025 Q2 0 0 0
2025 Q1 228 0 0 0.0
2024 Q4 1,657 0 0 0.0
2024 Q3 57 2 0 35087.7
2024 Q2 591 0 0 0.0
2024 Q1 0 0 0
Show 90 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 89 0 0 0.0
2023 Q3 938 0 0 0.0
2023 Q2 283 0 0 0.0
2022 Q4 886 0 0 0.0
2022 Q3 200 0 0 0.0
2022 Q1 256 0 0 0.0
2021 Q4 990 0 0 0.0
2021 Q3 2,448 0 0 0.0
2021 Q2 594 5 0 8417.5
2021 Q1 0 0 0
2020 Q4 1,788 0 0 0.0
2020 Q3 1,183 0 0 0.0
2020 Q2 1,205 0 0 0.0
2020 Q1 8 3 0 375000.0
2019 Q4 2,968 0 0 0.0
2019 Q3 3,987 0 0 0.0
2019 Q2 739 0 0 0.0
2019 Q1 0 0 0
2018 Q4 2,871 3 1 1044.9
2018 Q3 2,643 0 0 0.0
2018 Q2 730 0 0 0.0
2018 Q1 1,050 0 0 0.0
2017 Q4 1,563 6 2 3838.8
2017 Q3 754 0 0 0.0
2017 Q2 419 0 0 0.0
2017 Q1 16 0 0 0.0
2016 Q4 442 2 0 4524.9
2016 Q3 293 0 0 0.0
2016 Q2 1,223 5 2 4088.3
2016 Q1 93 0 0 0.0
2015 Q4 524 0 0 0.0
2015 Q3 616 1 0 1623.4
2014 Q4 632 0 0 0.0
2014 Q3 833 0 0 0.0
2013 Q4 1,794 6 1 3344.5
2013 Q3 2,027 7 5 3453.4
2013 Q2 1,133 0 0 0.0
2013 Q1 512 0 0 0.0
2012 Q4 1,679 0 0 0.0
2012 Q3 3,538 3 0 847.9
2012 Q2 1,593 0 0 0.0
2012 Q1 20 0 0 0.0
2011 Q4 2,052 0 0 0.0
2011 Q3 1,609 0 0 0.0
2011 Q2 654 0 0 0.0
2011 Q1 513 0 0 0.0
2010 Q4 2,942 6 5 2039.4
2010 Q3 3,519 0 0 0.0
2010 Q2 944 8 2 8474.6
2010 Q1 0 0 0
2009 Q4 1,359 0 0 0.0
2009 Q3 1,566 4 1 2554.3
2009 Q2 1,228 0 0 0.0
2009 Q1 485 0 0 0.0
2008 Q4 1,976 0 0 0.0
2008 Q3 2,775 0 0 0.0
2008 Q2 1,753 0 0 0.0
2008 Q1 81 0 0 0.0
2007 Q4 3,415 1 1 292.8
2007 Q3 3,184 4 1 1256.3
2007 Q2 1,973 0 0 0.0
2007 Q1 738 2 0 2710.0
2006 Q4 3,637 0 0 0.0
2006 Q3 1,703 0 0 0.0
2006 Q2 1,174 0 0 0.0
2006 Q1 569 2 0 3514.9
2005 Q4 1,061 4 0 3770.0
2005 Q3 1,756 1 0 569.5
2005 Q2 1,239 0 0 0.0
2005 Q1 649 1 0 1540.8
2004 Q4 320 0 0 0.0
2004 Q3 697 8 3 11477.8
2004 Q2 294 0 0 0.0
2004 Q1 120 0 0 0.0
2003 Q4 424 0 0 0.0
2003 Q3 740 0 0 0.0
2003 Q2 360 2 0 5555.6
2003 Q1 128 0 0 0.0
2002 Q4 268 0 0 0.0
2002 Q3 552 2 1 3623.2
2002 Q2 498 0 0 0.0
2002 Q1 0 0 0
2001 Q4 489 0 0 0.0
2001 Q3 798 2 2 2506.3
2001 Q2 416 0 0 0.0
2001 Q1 96 0 0 0.0
2000 Q4 862 0 0 0.0
2000 Q3 914 6 0 6564.6
2000 Q2 912 0 0 0.0
2000 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

2 on file

2005 · 1 incident

September 23, 2005 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

His back began hurting while driving a dump truck.

2001 · 1 incident

September 20, 2001 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator MACHINERY
Mercer Fraser Co · Struck against a moving object

WHILE OPERATING THE SCRAPER ON THE RIVER BAR, EE HIT A BUMP CAUSING INJURY TO HIS RIGHT HIP.

For insurers, brokers, and safety consultants

The full compliance file on Sandy Prairie Portable Crusher Plant A

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.