Mining Incidents

Portable Plant #1 Metal/Non-Metal

Ambrose Bros Inc · Surface
Meredith, Belknap County, NH  ·  Intermittent
MSHA Mine ID: 2700334

Portable Plant #1 has $24K in proposed MSHA penalties and $0 outstanding across 7 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2017
Latest incident
Dec 2017
Compliance record
MSHA citations since 2000
121
citations
18
significant & substantial
$24,077
proposed penalties
$21,954
paid to date
91% of proposed penalties paid to date, a $2,123 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
44
inspections on record
567
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: 567 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable Plant #1 has $24K in proposed MSHA penalties and $0 outstanding across 7 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.
$24K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
118 assessments are final orders; 7 contested dockets.
As of the most recent assessment on 2023-11-02.
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 1,376 0 0 0.0
2025 Q3 1,998 0 0 0.0
2025 Q2 1,342 0 0 0.0
2025 Q1 202 0 0 0.0
2024 Q4 1,158 0 0 0.0
2024 Q3 1,403 0 0 0.0
2024 Q2 1,919 0 0 0.0
2024 Q1 448 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 1,154 2 0 1733.1
2023 Q3 2,337 0 0 0.0
2023 Q2 2,698 2 2 741.3
2023 Q1 43 0 0 0.0
2022 Q4 1,781 0 0 0.0
2022 Q3 2,162 0 0 0.0
2022 Q2 3,036 1 0 329.4
2022 Q1 754 0 0 0.0
2021 Q4 1,592 0 0 0.0
2021 Q3 2,739 9 3 3285.9
2021 Q2 3,968 0 0 0.0
2021 Q1 1,796 0 0 0.0
2020 Q4 2,129 0 0 0.0
2020 Q3 2,420 1 0 413.2
2020 Q2 2,377 0 0 0.0
2020 Q1 1,019 0 0 0.0
2019 Q4 1,687 1 0 592.8
2019 Q3 2,781 2 1 719.2
2019 Q2 2,376 0 0 0.0
2019 Q1 294 0 0 0.0
2018 Q4 2,495 0 0 0.0
2018 Q3 2,079 0 0 0.0
2018 Q2 1,793 11 3 6135.0
2018 Q1 0 0 0
2017 Q4 1,183 0 0 0.0
2017 Q3 1,716 1 0 582.8
2017 Q2 1,900 3 0 1578.9
2017 Q1 0 0 0
2016 Q4 1,429 0 0 0.0
2016 Q3 1,788 11 3 6152.1
2016 Q2 1,186 0 0 0.0
2016 Q1 736 0 0 0.0
2015 Q4 1,193 0 0 0.0
2015 Q3 1,356 6 0 4424.8
2015 Q2 659 0 0 0.0
2015 Q1 250 0 0 0.0
2014 Q4 617 0 0 0.0
2014 Q3 1,226 15 0 12234.9
2014 Q2 546 0 0 0.0
2014 Q1 0 0 0
2013 Q4 1,399 0 0 0.0
2013 Q3 1,387 0 0 0.0
2013 Q2 1,302 0 0 0.0
2013 Q1 0 0 0
2012 Q4 2,774 8 1 2883.9
2012 Q3 3,303 0 0 0.0
2012 Q2 2,917 4 0 1371.3
2012 Q1 1,283 0 0 0.0
2011 Q4 2,439 0 0 0.0
2011 Q3 3,314 10 2 3017.5
2011 Q2 2,053 0 0 0.0
2011 Q1 902 0 0 0.0
2010 Q4 3,052 0 0 0.0
2010 Q3 3,515 0 0 0.0
2010 Q2 3,267 19 2 5815.7
2010 Q1 1,567 0 0 0.0
2009 Q4 3,208 0 0 0.0
2009 Q3 3,377 0 0 0.0
2009 Q2 3,259 0 0 0.0
2009 Q1 1,314 0 0 0.0
2008 Q4 3,438 0 0 0.0
2008 Q3 3,410 5 0 1466.3
2008 Q2 1,090 0 0 0.0
2008 Q1 667 0 0 0.0
2007 Q4 1,533 3 0 1956.9
2007 Q3 970 0 0 0.0
2007 Q2 1,177 2 1 1699.2
2007 Q1 676 0 0 0.0
2006 Q4 2,226 0 0 0.0
2006 Q3 927 0 0 0.0
2006 Q2 1,411 2 0 1417.4
2006 Q1 576 0 0 0.0
2005 Q4 1,367 0 0 0.0
2005 Q3 1,367 0 0 0.0
2005 Q2 1,308 0 0 0.0
2005 Q1 483 0 0 0.0
2004 Q4 988 0 0 0.0
2004 Q3 1,029 0 0 0.0
2004 Q2 861 2 0 2322.9
2004 Q1 536 0 0 0.0
2003 Q4 692 0 0 0.0
2003 Q3 673 0 0 0.0
2003 Q2 677 0 0 0.0
2003 Q1 606 0 0 0.0
2002 Q4 678 0 0 0.0
2002 Q3 2,343 0 0 0.0
2002 Q2 614 0 0 0.0
2002 Q1 509 0 0 0.0
2001 Q4 950 0 0 0.0
2001 Q3 1,206 0 0 0.0
2001 Q2 944 0 0 0.0
2001 Q1 988 0 0 0.0
2000 Q4 716 1 0 1396.6
2000 Q3 692 0 0 0.0
2000 Q2 622 0 0 0.0
2000 Q1 519 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2017 · 1 incident

December 5, 2017 NH · Metal/Non-Metal rotary bucket excavator operator FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
Ambrose Bros Inc · Struck by rolling or sliding object

Employee was running excavator digging approx. 100' down slope from rocks. Rocks slid onto and into cab of excavator and landed on employee's legs.

For insurers, brokers, and safety consultants

The full compliance file on Portable Plant #1

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.