Mining Incidents

Grey Stone Metal/Non-Metal

Controlled by Geraldine A Weber
Ubly, Huron County, MI  ·  Intermittent
MSHA Mine ID: 2003331

Grey Stone has $2K 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
0
Years on record
Latest incident
Compliance record
MSHA citations since 2005
16
citations
3
significant & substantial
$1,743
proposed penalties
$1,743
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
26
inspections on record
221
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: 221 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Grey Stone has $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
16 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-11-25.
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 188 0 0 0.0
2025 Q3 218 0 0 0.0
2025 Q2 655 0 0 0.0
2025 Q1 1 0 0 0.0
2024 Q4 120 1 0 8333.3
2024 Q3 358 1 1 2793.3
2024 Q2 1 0 0 0.0
2024 Q1 1 0 0 0.0
Show 70 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 195 0 0 0.0
2023 Q3 394 0 0 0.0
2023 Q2 428 0 0 0.0
2023 Q1 1 0 0 0.0
2022 Q4 211 0 0 0.0
2022 Q3 552 0 0 0.0
2022 Q2 528 1 1 1893.9
2022 Q1 1 0 0 0.0
2021 Q4 192 0 0 0.0
2021 Q3 181 0 0 0.0
2021 Q2 213 0 0 0.0
2021 Q1 1 0 0 0.0
2020 Q4 411 0 0 0.0
2020 Q3 1 0 0 0.0
2020 Q2 371 0 0 0.0
2020 Q1 1 0 0 0.0
2019 Q4 80 0 0 0.0
2019 Q3 1 0 0 0.0
2019 Q2 268 1 0 3731.3
2019 Q1 1 0 0 0.0
2018 Q4 1 0 0 0.0
2018 Q3 10 0 0 0.0
2018 Q2 10 0 0 0.0
2018 Q1 1 0 0 0.0
2017 Q4 4 0 0 0.0
2017 Q3 560 1 0 1785.7
2017 Q2 0 0 0
2017 Q1 0 0 0
2016 Q4 0 0 0
2016 Q3 437 0 0 0.0
2016 Q2 766 0 0 0.0
2016 Q1 1 0 0 0.0
2015 Q4 358 0 0 0.0
2015 Q3 876 0 0 0.0
2015 Q2 88 3 0 34090.9
2015 Q1 1 0 0 0.0
2014 Q4 605 0 0 0.0
2014 Q3 620 0 0 0.0
2014 Q2 1,055 0 0 0.0
2014 Q1 0 0 0
2013 Q4 0 0 0
2013 Q3 532 0 0 0.0
2013 Q2 0 0 0
2013 Q1 0 0 0
2012 Q4 168 0 0 0.0
2012 Q3 694 0 0 0.0
2012 Q2 798 0 0 0.0
2012 Q1 0 0 0
2011 Q4 353 0 0 0.0
2011 Q3 451 1 0 2217.3
2011 Q2 0 0 0
2011 Q1 0 0 0
2010 Q4 0 0 0
2010 Q3 1 1 0 1000000.0
2010 Q2 1 0 0 0.0
2010 Q1 0 0 0
2009 Q4 0 0 0
2009 Q3 0 0 0
2009 Q2 71 0 0 0.0
2009 Q1 0 0 0
2008 Q4 347 0 0 0.0
2008 Q3 493 5 1 10142.0
2007 Q2 0 0 0
2007 Q1 0 0 0
2006 Q4 0 0 0
2006 Q3 0 0 0
2006 Q2 0 0 0
2006 Q1 0 0 0
2005 Q4 480 0 0 0.0
2005 Q3 463 1 0 2159.8

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 Grey Stone

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.