Mining Incidents

FLAT ROCK QUARRY: 48 MSHA citations Metal/Non-Metal

Controlled by Thomas Milligan
Flat Rock, Seneca County, OH  ·  Active
MSHA Mine ID: 3304375

FLAT ROCK QUARRY has $6K 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
6
Years on record
1999–2016
Latest incident
Dec 2016
Compliance record
MSHA citations since 2000
48
citations
12
significant & substantial
$6,339
proposed penalties
$6,306
paid to date
99% of proposed penalties paid to date, a $33 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
52
inspections on record
673
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: 673 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

FLAT ROCK QUARRY has $6K 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.
$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
48 assessments are final orders; 4 contested dockets.
Of $501 in penalties contested before the Commission, $368 was upheld in final decisions.
As of the most recent assessment on 2026-01-07.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
25.0%
significant & substantial
2.1%
high negligence or reckless
25.0%
reasonably likely or greater
43.8%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 14.6% low, 83.3% moderate, 2.1% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
When citations were contested
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.
4 citations taken to the federal commission · 8% of citations on record
  • Settled 3 · 75%
  • Vacated or withdrawn 1 · 25%
50%
S&S designation survived the contest
Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.
of 2 decided S&S contests · industry: 79%
27%
Penalty reduction in decided contests
$501 proposed, $368 after decisions · industry: 39%
Source: MSHA Contested Violations file (public record), updated weekly. A dismissed or defaulted contest leaves the citation standing as issued; a vacated or withdrawn citation is removed from the violation record. Latest contest filed 2020-09-02.
Contested penalties
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
LAKE 2018-0338 Settlement Lesnick 2018 $151 → $118
LAKE 2015-0538 Settlement Harner 2015 $127 → $127
LAKE 2020-0258 Settlement Bulluck 2020 $123 → $123
LAKE 2014-181M Withdrawal Lesnick 2014 $100 → $0
Source: FMSHRC civil penalty dockets and decisions (public record), updated weekly.
Health sampling
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2023-02-14, 3 years ago
0%
of limit-tested samples over the exposure limit
34
samples
16
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz17
  • Respirable dust, <.1mg11
  • Nuisance dust, respirable, <1% Qtz5
  • Nuisance dust, total, <1% Qtz1
Show the individual readings (34)
Date Contaminant Concentration Limit Conc / limit Occupation
2023-02-14 Nuisance dust, total, <1% Qtz 1.35 10 0.14 Utility Man
2023-02-14 Quartz, respirable, >1% Qtz 0.24 Utility Man
2021-03-17 Respirable dust, <.1mg 0 Forklift Operator
2021-03-17 Nuisance dust, respirable, <1% Qtz 0.24 10 0.02 Utility Man
2021-03-17 Quartz, respirable, >1% Qtz 0.23 Stone Polisher/Cutter
2019-11-19 Quartz, respirable, >1% Qtz 0.45 Stone Polisher/Cutter
2019-11-19 Quartz, respirable, >1% Qtz 0.23 Bobcat Operator
2019-11-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2019-11-19 Quartz, respirable, >1% Qtz 0.14 Utility Man
2019-11-19 Quartz, respirable, >1% Qtz 0.8 1.71 0.47 Stone Polisher/Cutter
2018-06-05 Quartz, respirable, >1% Qtz 0.43 Stone Polisher/Cutter
2018-06-05 Nuisance dust, respirable, <1% Qtz 0.27 10 0.03 Front-end Loader Operator
2018-06-05 Respirable dust, <.1mg 0 Stone Polisher/Cutter
2018-06-05 Quartz, respirable, >1% Qtz 0.31 Stone Polisher/Cutter
2017-10-12 Quartz, respirable, >1% Qtz 0.21 1.81 0.12 Bagging Operator
2017-10-12 Quartz, respirable, >1% Qtz 0.32 2.31 0.14 Bagging Operator
2017-05-24 Quartz, respirable, >1% Qtz 1.15 1.42 0.81 Front-end Loader Operator
2017-05-24 Quartz, respirable, >1% Qtz 0.21 1.86 0.11 Utility Man
2017-05-24 Respirable dust, <.1mg 0 Forklift Operator
2015-06-10 Nuisance dust, respirable, <1% Qtz 0.54 10 0.05 Stone Polisher/Cutter
2015-06-10 Quartz, respirable, >1% Qtz 0.19 1.72 0.11 Hand Loader
2015-03-18 Quartz, respirable, >1% Qtz 0.48 2.19 0.22 Laborer, Bullgang
2015-03-18 Quartz, respirable, >1% Qtz 0.32 1.64 0.20 Stone Polisher/Cutter
2015-03-18 Respirable dust, <.1mg 0 Forklift Operator
2015-03-18 Quartz, respirable, >1% Qtz 0.48 2.33 0.21 Hand Loader
2010-04-07 Respirable dust, <.1mg 0 Utility Man
2010-04-07 Respirable dust, <.1mg 0 Utility Man
2010-04-07 Respirable dust, <.1mg 0 Utility Man
2010-04-07 Respirable dust, <.1mg 0 Utility Man
2004-11-17 Respirable dust, <.1mg 0 Laborer, Bullgang
2004-11-17 Respirable dust, <.1mg 0 Forklift Operator
2004-11-17 Nuisance dust, respirable, <1% Qtz 0.17 10 0.02 Front-end Loader Operator
2004-11-17 Nuisance dust, respirable, <1% Qtz 0.37 10 0.04 Forklift Operator
2004-11-17 Quartz, respirable, >1% Qtz 0.4 2.13 0.19 Stone Polisher/Cutter
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.
Ownership history
  1. F Hammond Rubble Stone Supplies 1996 to 2009
  2. Western Ohio Cut Stone LLC 2009 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 6
2025 5
2024 5
2023 6
2022 6
2021 6
2020 7
2019 7
2018 7
2017 9
2016 6
2015 7
2014 7
2013 6
2012 5
2011 4
2010 5
2009 3
2008 7
2007 6
2006 5
2005 6
2004 6
2003 5
2002 6
2001 6
2000 7
Source: MSHA quarterly employment and production, updated weekly.

FLAT ROCK QUARRY sits in Seneca County, Ohio, where the Census mining category is 0.1% of county employment.

Local economic context
County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Seneca County, Ohio · Population 54,861
0.1%
Mining share of county employment
$65,020
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 2,960 0 0 0.0
2026 Q1 2,039 1 0 490.4
2025 Q4 3,022 0 0 0.0
2025 Q3 3,220 1 0 310.6
2025 Q2 2,640 0 0 0.0
2025 Q1 1,600 0 0 0.0
2024 Q4 2,020 0 0 0.0
2024 Q3 2,367 2 0 845.0
Show 97 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 2,496 0 0 0.0
2024 Q1 2,495 2 0 801.6
2023 Q4 2,580 0 0 0.0
2023 Q3 2,853 0 0 0.0
2023 Q2 2,764 1 0 361.8
2023 Q1 2,850 2 0 701.8
2022 Q4 3,295 0 0 0.0
2022 Q3 3,080 2 0 649.4
2022 Q2 3,312 0 0 0.0
2022 Q1 2,075 0 0 0.0
2021 Q4 3,135 0 0 0.0
2021 Q3 2,930 0 0 0.0
2021 Q2 2,482 0 0 0.0
2021 Q1 3,350 0 0 0.0
2020 Q4 3,915 0 0 0.0
2020 Q3 4,172 0 0 0.0
2020 Q2 2,950 3 0 1016.9
2020 Q1 3,198 0 0 0.0
2019 Q4 3,310 1 0 302.1
2019 Q3 3,151 0 0 0.0
2019 Q2 3,321 0 0 0.0
2019 Q1 2,484 0 0 0.0
2018 Q4 3,148 0 0 0.0
2018 Q3 4,789 0 0 0.0
2018 Q2 3,309 4 0 1208.8
2018 Q1 2,810 0 0 0.0
2017 Q4 5,161 0 0 0.0
2017 Q3 5,275 0 0 0.0
2017 Q2 5,172 1 1 193.3
2017 Q1 3,760 0 0 0.0
2016 Q4 3,663 3 0 819.0
2016 Q3 3,718 0 0 0.0
2016 Q2 2,796 1 0 357.7
2016 Q1 2,493 3 0 1203.4
2015 Q4 3,915 0 0 0.0
2015 Q3 4,550 0 0 0.0
2015 Q2 4,120 2 0 485.4
2015 Q1 2,624 1 1 381.1
2014 Q4 4,564 0 0 0.0
2014 Q3 4,334 0 0 0.0
2014 Q2 3,230 0 0 0.0
2014 Q1 1,866 0 0 0.0
2013 Q4 2,462 2 0 812.3
2013 Q3 3,989 0 0 0.0
2013 Q2 2,102 0 0 0.0
2013 Q1 1,923 1 0 520.0
2012 Q4 3,768 0 0 0.0
2012 Q3 3,768 0 0 0.0
2012 Q2 2,983 1 0 335.2
2012 Q1 1,670 0 0 0.0
2011 Q4 1,950 0 0 0.0
2011 Q3 2,119 0 0 0.0
2011 Q2 2,047 0 0 0.0
2010 Q4 1,995 1 0 501.3
2010 Q3 2,450 0 0 0.0
2010 Q2 2,354 0 0 0.0
2010 Q1 1,134 0 0 0.0
2009 Q4 1,991 1 1 502.3
2009 Q3 2,130 0 0 0.0
2009 Q2 1,130 0 0 0.0
2009 Q1 0 0 0
2008 Q4 2,880 0 0 0.0
2008 Q3 3,360 0 0 0.0
2008 Q2 3,370 0 0 0.0
2008 Q1 2,920 0 0 0.0
2007 Q4 2,890 1 1 346.0
2007 Q3 2,920 0 0 0.0
2007 Q2 2,880 0 0 0.0
2007 Q1 1,930 0 0 0.0
2006 Q4 2,440 0 0 0.0
2006 Q3 2,400 0 0 0.0
2006 Q2 2,880 0 0 0.0
2006 Q1 2,430 0 0 0.0
2005 Q4 2,990 0 0 0.0
2005 Q3 3,440 0 0 0.0
2005 Q2 2,880 1 0 347.2
2005 Q1 840 0 0 0.0
2004 Q4 3,120 0 0 0.0
2004 Q3 3,180 0 0 0.0
2004 Q2 3,100 0 0 0.0
2004 Q1 2,460 0 0 0.0
2003 Q4 2,400 0 0 0.0
2003 Q3 3,000 0 0 0.0
2003 Q2 2,480 0 0 0.0
2003 Q1 200 0 0 0.0
2002 Q4 1,960 0 0 0.0
2002 Q3 1,920 0 0 0.0
2002 Q2 2,780 1 1 359.7
2002 Q1 2,880 1 1 347.2
2001 Q4 3,120 0 0 0.0
2001 Q3 3,310 0 0 0.0
2001 Q2 3,490 0 0 0.0
2001 Q1 3,140 6 5 1910.8
2000 Q4 3,740 0 0 0.0
2000 Q3 3,900 0 0 0.0
2000 Q2 3,980 2 1 502.5
2000 Q1 3,140 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

6 on file

2016 · 2 incidents

December 7, 2016 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Western Ohio Cut Stone LLC · Struck by falling object

2 employees handled same rock smashed right hand soft tissue swelling no fracture

November 23, 2016 OH · Metal/Non-Metal stone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmer MACHINERY
Western Ohio Cut Stone LLC · Struck by falling object

Moving conveyor belt up and down make room for rock. Another rock pushed its way to edge and fell on foot. Fracture foot

2015 · 1 incident

May 4, 2015 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Western Ohio Cut Stone LLC · Caught in, under or between running or meshing objects

Lost balance and put hand on moving conveyor. Broken fingers and laceration

2012 · 1 incident

2009 · 1 incident

October 20, 2009 OH · Metal/Non-Metal assayer, geologist, metallurgist, engineer, engineer management HANDTOOLS (NONPOWERED)
Western Ohio Cut Stone LLC · Struck by... (Not Elsewhere Classified)

EE was using wrong tool to remove cable ties resulting in 17 stitches to the back of his left hand.

1999 · 1 incident

July 20, 1999 OH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
F Hammond Rubble Stone Supplies · Caught in, under or between a moving and a stationary object

EE WAS STRUCK BY FRONT BUCKET OF 380K CASE AND COMPRESSED AGAINST STONE SPLITTING MACHINE WHERE HE WAS WORKING.