Mining Incidents

CEDAR LAKE PLANT: 33 MSHA citations Metal/Non-Metal

Controlled by Heidelberg Materials AG
Buena, Atlantic County, NJ  ·  Abandoned
MSHA Mine ID: 2800487

CEDAR LAKE PLANT has $5K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
2
Years on record
1985–1993
Latest incident
Aug 1993
Compliance record
MSHA citations since 2003
33
citations
5
significant & substantial
$5,208
proposed penalties
$4,480
paid to date
86% of proposed penalties paid to date, a $728 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
53
inspections on record
562
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: 562 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

CEDAR LAKE PLANT has $5K in proposed MSHA penalties and $0 outstanding across 1 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.
$5K
proposed penalties
$4K
current assessed
$4K
paid to date
$0
outstanding
33 assessments are final orders; 1 contested dockets.
Of $1K in penalties contested before the Commission, $352 was upheld in final decisions.
As of the most recent assessment on 2025-04-01.
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.
15.2%
significant & substantial
3.0%
high negligence or reckless
18.2%
reasonably likely or greater
30.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 30.3% low, 66.7% moderate, 3.0% 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.
2 citations taken to the federal commission · 6% of citations on record
  • Settled 2 · 100%
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%
67%
Penalty reduction in decided contests
$1K proposed, $352 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 2009-08-17.
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
YORK 2009-200M Settlement Koutras 2011 $1K → $352
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: 2024-02-27
0%
of limit-tested samples over the exposure limit
16
samples
5
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg10
  • Quartz, respirable, >1% Qtz6
Show the individual readings (16)
Date Contaminant Concentration Limit Conc / limit Occupation
2024-02-27 Respirable dust, <.1mg 0 Front-end Loader Operator
2022-10-05 Quartz, respirable, >1% Qtz 0.16 Dry Screen Plant Operator
2022-10-05 Respirable dust, <.1mg 0 Front-end Loader Operator
2018-06-28 Respirable dust, <.1mg 0 Screen/Scalper Operator
2018-06-28 Respirable dust, <.1mg 0 Front-end Loader Operator
2014-02-13 Respirable dust, <.1mg 0 Front-end Loader Operator
2014-02-13 Respirable dust, <.1mg 0 Laborer, Bullgang
2014-02-13 Respirable dust, <.1mg 0 Laborer, Bullgang
2010-02-24 Respirable dust, <.1mg 0 Utility Man
2010-02-24 Quartz, respirable, >1% Qtz 0.35 2.67 0.13 Front-end Loader Operator
2005-06-08 Respirable dust, <.1mg 0 Scale Man
2005-06-08 Quartz, respirable, >1% Qtz 0.24 0.9 0.27 Truck Driver
2005-06-08 Quartz, respirable, >1% Qtz 0.2 1.46 0.14 Front-end Loader Operator
2000-07-25 Quartz, respirable, >1% Qtz 0.12 0.21 0.57 Front-end Loader Operator
2000-07-25 Quartz, respirable, >1% Qtz 0.2 0.65 0.31 Truck Driver
2000-07-25 Respirable dust, <.1mg 0 Utility Man
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. Morie Company Inc 1950 to 1996
  2. Unimin Corp 1996 to 1999
  3. Hanson Aggregates BMC, Inc. 1999 to 2021
  4. Heidelberg Materials Northeast LLC 2021 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 2
2025 3
2024 3
2023 5
2022 3
2021 4
2020 3
2019 3
2018 3
2017 4
2016 6
2015 7
2014 7
2013 5
2012 4
2011 4
2010 4
2009 3
2008 3
2007 3
2006 3
2005 3
2004 3
2003 3
2002 3
2001 4
2000 5
Source: MSHA quarterly employment and production, updated weekly.

CEDAR LAKE PLANT sits in Atlantic County, New Jersey, where the Census mining category is 0.0% 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.
Atlantic County, New Jersey · Population 274,704
0.0%
Mining share of county employment
$76,819
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 131 0 0 0.0
2025 Q1 48 0 0 0.0
2024 Q4 10 0 0 0.0
2024 Q3 782 0 0 0.0
2024 Q2 1,430 2 0 1398.6
2024 Q1 1,038 2 1 1926.8
2023 Q4 282 0 0 0.0
2023 Q3 1,534 0 0 0.0
Show 94 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q2 1,748 0 0 0.0
2023 Q1 1,840 0 0 0.0
2022 Q4 1,658 0 0 0.0
2022 Q3 1,514 0 0 0.0
2022 Q2 1,314 0 0 0.0
2022 Q1 1,725 0 0 0.0
2021 Q4 1,428 0 0 0.0
2021 Q3 1,185 0 0 0.0
2021 Q2 2,405 0 0 0.0
2021 Q1 1,910 1 0 523.6
2020 Q4 1,493 0 0 0.0
2020 Q3 1,403 0 0 0.0
2020 Q2 1,005 0 0 0.0
2020 Q1 990 0 0 0.0
2019 Q4 1,222 0 0 0.0
2019 Q3 1,420 1 0 704.2
2019 Q2 1,444 0 0 0.0
2019 Q1 860 0 0 0.0
2018 Q4 1,320 0 0 0.0
2018 Q3 1,395 0 0 0.0
2018 Q2 1,445 1 1 692.0
2018 Q1 1,979 0 0 0.0
2017 Q4 1,808 1 0 553.1
2017 Q3 2,653 0 0 0.0
2017 Q2 2,149 0 0 0.0
2017 Q1 2,006 1 0 498.5
2016 Q4 1,902 0 0 0.0
2016 Q3 2,570 0 0 0.0
2016 Q2 3,652 0 0 0.0
2016 Q1 2,685 3 1 1117.3
2015 Q4 3,690 0 0 0.0
2015 Q3 3,920 0 0 0.0
2015 Q2 5,087 0 0 0.0
2015 Q1 4,223 3 0 710.4
2014 Q4 4,326 0 0 0.0
2014 Q3 4,345 0 0 0.0
2014 Q2 4,973 0 0 0.0
2014 Q1 3,581 2 1 558.5
2013 Q4 2,393 0 0 0.0
2013 Q3 2,354 0 0 0.0
2013 Q2 2,414 0 0 0.0
2013 Q1 2,042 0 0 0.0
2012 Q4 2,047 0 0 0.0
2012 Q3 2,189 0 0 0.0
2012 Q2 2,572 0 0 0.0
2012 Q1 1,736 0 0 0.0
2011 Q4 2,186 0 0 0.0
2011 Q3 2,109 2 0 948.3
2011 Q2 2,571 0 0 0.0
2011 Q1 2,162 0 0 0.0
2010 Q4 2,304 1 0 434.0
2010 Q3 2,429 0 0 0.0
2010 Q2 3,075 1 0 325.2
2010 Q1 1,392 1 0 718.4
2009 Q4 1,894 0 0 0.0
2009 Q3 1,997 0 0 0.0
2009 Q2 1,560 5 1 3205.1
2009 Q1 801 0 0 0.0
2008 Q4 1,686 0 0 0.0
2008 Q3 1,923 0 0 0.0
2008 Q2 1,994 0 0 0.0
2008 Q1 1,614 0 0 0.0
2007 Q4 1,851 0 0 0.0
2007 Q3 1,900 0 0 0.0
2007 Q2 2,228 0 0 0.0
2007 Q1 2,028 0 0 0.0
2006 Q4 2,057 0 0 0.0
2006 Q3 1,488 0 0 0.0
2006 Q2 1,836 0 0 0.0
2006 Q1 1,647 0 0 0.0
2005 Q4 1,615 0 0 0.0
2005 Q3 2,186 0 0 0.0
2005 Q2 2,146 0 0 0.0
2005 Q1 1,554 0 0 0.0
2004 Q4 1,965 0 0 0.0
2004 Q3 1,885 0 0 0.0
2004 Q2 2,113 0 0 0.0
2004 Q1 1,565 0 0 0.0
2003 Q4 1,657 0 0 0.0
2003 Q3 1,573 0 0 0.0
2003 Q2 1,665 0 0 0.0
2003 Q1 1,037 0 0 0.0
2002 Q4 1,476 0 0 0.0
2002 Q3 1,859 0 0 0.0
2002 Q2 1,888 0 0 0.0
2002 Q1 1,603 0 0 0.0
2001 Q4 1,567 0 0 0.0
2001 Q3 1,558 0 0 0.0
2001 Q2 1,952 0 0 0.0
2001 Q1 2,183 0 0 0.0
2000 Q4 2,323 0 0 0.0
2000 Q3 2,222 0 0 0.0
2000 Q2 2,871 0 0 0.0
2000 Q1 2,352 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

2 on file

1993 · 1 incident

August 30, 1993 NJ · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Morie Company Inc · Fall to the walkway or working surface

WHILE BEING HANDED A NON-RETRACTABLE UTILITY KNIFE, VICTIM SLIPPED FORWARD. AS HE FELL TO HIS KNEES, THE KNIFE BLADE LARCERATED THE PALMAR SURFACE OF HIS RIGHT HAND.

1985 · 1 incident

July 18, 1985 NJ · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Morie Company Inc · Struck against a moving object

THE TRUCK ROLLED OVER ON ITS POASSENGER SIDE WHILE THE OP WAS DRIVING IT BACK TO T HE PIT. POSSIBLE CAUSE OF ACCIDENT WAS DRIVING AT UNSAFE SPEED. THE ONLY DAMAGE TO THE TRUCK IS A BROKEN SIDE VIEW MIRROR & THE PASSENGER DOOR FRAME WAS SBENT.