Mining Incidents

Con-Stone Inc: 110 MSHA citations Metal/Non-Metal

Con-Stone Inc · Surface
Controlled by Jeffrey I Confer
Aaronsburg, Centre County, PA  ·  Active
MSHA Mine ID: 3608596

Con-Stone Inc has $46K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
4
Years on record
1999–2025
Latest incident
Feb 2025
Compliance record
MSHA citations since 2000
110
citations
21
significant & substantial
$45,768
proposed penalties
$25,409
paid to date
56% of proposed penalties paid to date, a $20,359 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
65
inspections on record
1,537
inspection hours
7.2
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.
110 citations across 1,537 inspection hours.
Source: MSHA inspections data, updated weekly.

Con-Stone Inc has $46K in proposed MSHA penalties and $0 outstanding across 2 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.
$46K
proposed penalties
$25K
current assessed
$25K
paid to date
$0
outstanding
110 assessments are final orders; 2 contested dockets.
Of $27K in penalties contested before the Commission, $6K was upheld in final decisions.
As of the most recent assessment on 2026-05-20.
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.
19.1%
significant & substantial
8.2%
high negligence or reckless
20.0%
reasonably likely or greater
48.2%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 40.0% low, 51.8% moderate, 8.2% 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 · 4% of citations on record
  • Settled 3 · 75%
  • Vacated or withdrawn 1 · 25%
100%
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 3 decided S&S contests · industry: 79%
77%
Penalty reduction in decided contests
$27K proposed, $6K 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 2018-05-08.
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
PENN 2018-0193 Settlement Feldman 2018 $25K → $6K
PENN 2018-0194 Settlement Feldman 2018 $1K → $364
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: 2025-09-03
0%
of limit-tested samples over the exposure limit
39
samples
13
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg24
  • Nuisance dust, total, <1% Qtz8
  • Nuisance dust, respirable, <1% Qtz3
  • Quartz, respirable, >1% Qtz3
Show the individual readings (39)
Date Contaminant Concentration Limit Conc / limit Occupation
2025-09-03 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2025-09-03 Respirable dust, <.1mg 0 Crusher Oper/Worker
2025-09-03 Respirable dust, <.1mg 0 Front-end Loader Operator
2025-09-03 Respirable dust, <.1mg 0 Truck Driver
2024-05-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2024-05-02 Quartz, respirable, >1% Qtz 0.21 Crusher Oper/Worker
2024-05-02 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2024-05-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2022-12-21 Respirable dust, <.1mg 0 Truck Driver
2021-12-15 Respirable dust, <.1mg 0 Crusher Oper/Worker
2021-12-15 Nuisance dust, total, <1% Qtz 0.41 10 0.04 Crusher Oper/Worker
2020-12-29 Respirable dust, <.1mg 0 Truck Driver
2020-12-29 Respirable dust, <.1mg 0 Truck Driver
2020-12-29 Respirable dust, <.1mg 0 Front-end Loader Operator
2020-09-16 Respirable dust, <.1mg 0 Front-end Loader Operator
2018-06-26 Respirable dust, <.1mg 0 Front-end Loader Operator
2018-06-26 Respirable dust, <.1mg 0 Washer Operator
2018-06-26 Respirable dust, <.1mg 0 Truck Driver
2018-06-26 Respirable dust, <.1mg 0 Truck Driver
2016-06-02 Respirable dust, <.1mg 0 Washer Operator
2016-06-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-06-02 Nuisance dust, respirable, <1% Qtz 0.14 10 0.01 Drill Operator, Jet Piercing
2016-06-02 Respirable dust, <.1mg 0 Crusher Oper/Worker
2014-04-09 Respirable dust, <.1mg 0 Mechanic
2014-04-09 Respirable dust, <.1mg 0 Drill Operator, Rotary Air
2014-04-09 Quartz, respirable, >1% Qtz 0.22 1.46 0.15 Crusher Oper/Worker
2014-04-09 Unlisted Particulate, respirable, <1% Qtz 0.34 Crusher Oper/Worker
2010-05-19 Respirable dust, <.1mg 0 Crusher Oper/Worker
2010-05-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2010-05-19 Nuisance dust, respirable, <1% Qtz 0.25 10 0.03 Truck Driver
2009-04-23 Nuisance dust, total, <1% Qtz 0.31 10 0.03 Utility Man
2009-04-23 Quartz, respirable, >1% Qtz 0.38 1.35 0.28 Truck Driver
2009-04-23 Nuisance dust, total, <1% Qtz 0.15 10 0.02 Mechanic
2009-04-23 Nuisance dust, respirable, <1% Qtz 0.91 10 0.09 Truck Driver
2002-09-11 Nuisance dust, total, <1% Qtz 1.59 10 0.16 Front-end Loader Operator
2002-09-11 Nuisance dust, total, <1% Qtz 2.78 10 0.28 Truck Driver
2002-09-11 Nuisance dust, total, <1% Qtz 1 10 0.10 Crusher Oper/Worker
2002-09-11 Nuisance dust, total, <1% Qtz 1.26 10 0.13 Crusher Oper/Worker
2002-09-11 Nuisance dust, total, <1% Qtz 1.23 10 0.12 Front-end Loader Operator
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.

Con-Stone Inc recorded 7.82 reportable injury cases per 100 full-time workers in 2025.

Injury rate, 2025
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
7.82
total case rate
7.82
days-away rate
0.000
fatality rate
Above average. The US metal and nonmetal mining average was 1.65 and the all-US-mining average was 1.97 cases per 100 workers.
In Pennsylvania, metal and nonmetal mining averaged 2.07 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year total case rate days-away fatal
2025 * 7.82 7.82 0.000
2024 * 0.00 0.00 0.000
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2021 * 0.00 0.00 0.000
2020 * 0.00 0.00 0.000
2019 * 0.00 0.00 0.000
2018 * 7.59 0.00 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Ownership history
  1. Con-Stone Inc 1996 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 13
2025 13
2024 12
2023 12
2022 13
2021 12
2020 12
2019 12
2018 13
2017 12
2016 13
2015 12
2014 12
2013 11
2012 11
2011 11
2010 11
2009 11
2008 10
2007 9
2006 9
2005 9
2004 6
2003 7
2002 7
2001 7
2000 7
Source: MSHA quarterly employment and production, updated weekly.

Con-Stone Inc sits in Centre County, Pennsylvania, where the Census mining category is 0.2% 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.
Centre County, Pennsylvania · Population 158,041
0.2%
Mining share of county employment
$72,748
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 7,756 3 0 386.8
2026 Q1 5,892 0 0 0.0
2025 Q4 6,882 1 0 145.3
2025 Q3 6,882 0 0 0.0
2025 Q2 7,048 0 0 0.0
2025 Q1 4,767 0 0 0.0
2024 Q4 6,424 0 0 0.0
2024 Q3 6,856 0 0 0.0
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 5,422 1 0 184.4
2024 Q1 4,978 0 0 0.0
2023 Q4 6,443 0 0 0.0
2023 Q3 6,631 0 0 0.0
2023 Q2 5,798 0 0 0.0
2023 Q1 7,248 0 0 0.0
2022 Q4 6,455 2 0 309.8
2022 Q3 7,508 0 0 0.0
2022 Q2 6,472 2 0 309.0
2022 Q1 6,603 0 0 0.0
2021 Q4 5,934 2 0 337.0
2021 Q3 7,146 0 0 0.0
2021 Q2 5,952 2 0 336.0
2021 Q1 6,716 0 0 0.0
2020 Q4 5,868 2 0 340.8
2020 Q3 6,963 0 0 0.0
2020 Q2 5,846 5 0 855.3
2020 Q1 6,236 0 0 0.0
2019 Q4 6,053 8 1 1321.7
2019 Q3 7,162 0 0 0.0
2019 Q2 6,136 0 0 0.0
2019 Q1 6,049 2 0 330.6
2018 Q4 6,353 0 0 0.0
2018 Q3 7,557 0 0 0.0
2018 Q2 7,164 7 2 977.1
2018 Q1 5,279 1 0 189.4
2017 Q4 6,733 11 4 1633.7
2017 Q3 6,371 0 0 0.0
2017 Q2 7,268 3 1 412.8
2017 Q1 5,869 0 0 0.0
2016 Q4 7,730 0 0 0.0
2016 Q3 6,476 0 0 0.0
2016 Q2 7,806 1 0 128.1
2016 Q1 6,523 1 1 153.3
2015 Q4 8,222 0 0 0.0
2015 Q3 7,497 0 0 0.0
2015 Q2 7,423 2 1 269.4
2015 Q1 5,109 0 0 0.0
2014 Q4 7,645 2 1 261.6
2014 Q3 7,450 0 0 0.0
2014 Q2 7,571 0 0 0.0
2014 Q1 5,400 0 0 0.0
2013 Q4 7,829 0 0 0.0
2013 Q3 7,592 0 0 0.0
2013 Q2 7,527 3 1 398.6
2013 Q1 4,515 4 3 885.9
2012 Q4 6,841 0 0 0.0
2012 Q3 6,965 2 0 287.2
2012 Q2 5,083 0 0 0.0
2012 Q1 5,723 3 0 524.2
2011 Q4 6,360 0 0 0.0
2011 Q3 7,464 0 0 0.0
2011 Q2 6,432 0 0 0.0
2011 Q1 6,306 1 0 158.6
2010 Q4 6,923 3 0 433.3
2010 Q3 7,794 0 0 0.0
2010 Q2 6,196 3 1 484.2
2010 Q1 5,966 0 0 0.0
2009 Q4 5,665 3 1 529.6
2009 Q3 7,188 0 0 0.0
2009 Q2 6,071 1 0 164.7
2009 Q1 6,330 0 0 0.0
2008 Q4 6,099 0 0 0.0
2008 Q3 8,374 1 0 119.4
2008 Q2 8,342 0 0 0.0
2008 Q1 5,134 1 0 194.8
2007 Q4 4,933 1 0 202.7
2007 Q3 6,150 0 0 0.0
2007 Q2 5,841 3 0 513.6
2007 Q1 3,650 0 0 0.0
2006 Q4 5,134 1 0 194.8
2006 Q3 4,016 0 0 0.0
2006 Q2 5,607 1 0 178.3
2006 Q1 4,402 0 0 0.0
2005 Q4 5,720 1 0 174.8
2005 Q3 4,612 5 2 1084.1
2005 Q2 4,061 0 0 0.0
2005 Q1 3,463 0 0 0.0
2004 Q4 3,860 2 0 518.1
2004 Q3 3,439 0 0 0.0
2004 Q2 2,616 0 0 0.0
2004 Q1 2,545 0 0 0.0
2003 Q4 4,009 0 0 0.0
2003 Q3 3,525 0 0 0.0
2003 Q2 3,792 0 0 0.0
2003 Q1 3,599 0 0 0.0
2002 Q4 3,699 2 0 540.7
2002 Q3 3,571 1 1 280.0
2002 Q2 3,592 0 0 0.0
2002 Q1 3,121 0 0 0.0
2001 Q4 4,328 0 0 0.0
2001 Q3 4,077 0 0 0.0
2001 Q2 3,184 0 0 0.0
2001 Q1 3,073 0 0 0.0
2000 Q4 3,793 0 0 0.0
2000 Q3 3,569 0 0 0.0
2000 Q2 3,274 0 0 0.0
2000 Q1 3,834 2 0 521.6
No fatalities recorded at this mine.

Reportable incidents

4 on file

2025 · 1 incident

February 12, 2025 PA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
Con-Stone Inc · Fall from machine

Fall when cleaning loader bucket. Broke Right Collar Bone. Surgery Required.

2018 · 1 incident

June 26, 2018 PA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Con-Stone Inc · (Not Elsewhere Classified)

On March 22, 2018 during our annual first aid training and audiograms, employee was found to have a reportable hearing loss, therefore leading to the issuing of citation # 9413506.

2006 · 1 incident

October 17, 2006 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Con-Stone Inc · Fall from machine

Front didn't cover the bonnet & the employee slipped & fell between the truck & trailer.

1999 · 1 incident

December 8, 1999 PA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Con-Stone Inc · Caught in, under or between (Not Elsewhere Classified)

EE HAD HAND ON DOOR JAM, DOOR WAS NOT LATCHED SLAMMED SHUT ON FINGERS