Mining Incidents

Gravel Pit-Thornton Metal/Non-Metal

Controlled by Mike J Thornton
GREENBUSH, Penobscot County, ME  ·  Intermittent
MSHA Mine ID: 1700760

Gravel Pit-Thornton has $21K 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
2009
Latest incident
Aug 2009
Compliance record
MSHA citations since 2004
98
citations
23
significant & substantial
$20,643
proposed penalties
$20,643
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
30
inspections on record
387
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: 387 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Gravel Pit-Thornton has $21K 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.
$21K
proposed penalties
$21K
current assessed
$21K
paid to date
$0
outstanding
97 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-06.
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 781 0 0 0.0
2025 Q3 756 2 0 2645.5
2025 Q2 1,123 0 0 0.0
2025 Q1 119 0 0 0.0
2024 Q4 463 0 0 0.0
2024 Q3 1,430 0 0 0.0
2024 Q2 61 0 0 0.0
2024 Q1 243 0 0 0.0
Show 74 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 470 1 0 2127.7
2023 Q3 719 0 0 0.0
2023 Q2 445 2 0 4494.4
2023 Q1 129 0 0 0.0
2022 Q4 257 0 0 0.0
2022 Q3 631 0 0 0.0
2022 Q2 597 3 0 5025.1
2022 Q1 151 0 0 0.0
2021 Q4 668 0 0 0.0
2021 Q3 426 3 0 7042.3
2021 Q2 581 0 0 0.0
2021 Q1 1 0 0 0.0
2020 Q3 692 0 0 0.0
2020 Q2 569 0 0 0.0
2020 Q1 330 0 0 0.0
2019 Q4 341 8 0 23460.4
2019 Q3 102 2 0 19607.8
2019 Q2 1 0 0 0.0
2019 Q1 100 0 0 0.0
2018 Q4 364 1 0 2747.3
2018 Q3 517 0 0 0.0
2018 Q2 948 4 2 4219.4
2018 Q1 549 0 0 0.0
2017 Q4 983 0 0 0.0
2017 Q3 1,137 7 1 6156.6
2017 Q2 729 0 0 0.0
2017 Q1 164 0 0 0.0
2016 Q4 1,318 0 0 0.0
2016 Q3 1,724 0 0 0.0
2016 Q2 916 0 0 0.0
2016 Q1 245 0 0 0.0
2015 Q4 312 3 2 9615.4
2015 Q3 412 0 0 0.0
2015 Q2 728 1 0 1373.6
2015 Q1 177 0 0 0.0
2014 Q4 1 0 0 0.0
2014 Q3 456 0 0 0.0
2014 Q2 483 0 0 0.0
2014 Q1 143 0 0 0.0
2013 Q4 974 0 0 0.0
2013 Q3 853 5 0 5861.7
2013 Q2 485 7 0 14433.0
2013 Q1 20 0 0 0.0
2012 Q4 642 0 0 0.0
2012 Q3 589 0 0 0.0
2012 Q2 812 0 0 0.0
2012 Q1 25 0 0 0.0
2011 Q4 765 8 2 10457.5
2011 Q3 757 0 0 0.0
2011 Q2 644 0 0 0.0
2011 Q1 10 0 0 0.0
2010 Q4 130 0 0 0.0
2010 Q3 282 3 1 10638.3
2009 Q3 37,697 10 6 265.3
2009 Q2 325 0 0 0.0
2009 Q1 179 0 0 0.0
2008 Q2 420 0 0 0.0
2008 Q1 1,240 0 0 0.0
2007 Q4 1,020 6 3 5882.4
2007 Q3 1,245 0 0 0.0
2007 Q2 1,240 0 0 0.0
2007 Q1 330 0 0 0.0
2006 Q4 590 0 0 0.0
2006 Q3 1,240 0 0 0.0
2006 Q2 780 8 3 10256.4
2006 Q1 770 0 0 0.0
2005 Q4 722 0 0 0.0
2005 Q3 695 1 1 1438.8
2005 Q2 600 0 0 0.0
2005 Q1 672 0 0 0.0
2004 Q4 522 1 0 1915.7
2004 Q3 920 5 2 5434.8
2004 Q2 1,036 0 0 0.0
2004 Q1 160 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2009 · 1 incident

August 26, 2009 ME · Metal/Non-Metal ledgeman/hand, quarry man HANDLING OF MATERIALS
Thornton Construction Inc · Over-exertion (Not Elsewhere Classified)

2 ee were conducting normal maintenance, replacing screens, greasing and servicing which includes a lot of manual labor. They did nothing outside of the normal practices. These activities was too strenuous for one and he was advised to take time off in order to rest his back muscles.

For insurers, brokers, and safety consultants

The full compliance file on Gravel Pit-Thornton

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.