UNION Township, Hunterdon County,
NJ
·
Intermittent
MSHA Mine ID: 2801047
LIBERTY STONE & AGGREGATES-CLINTON has $3K 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
10
Years on record
2018–2024
Latest incident
Mar 2024
Compliance record
MSHA citations since 2018
20
citations
4
significant & substantial
$2,915
proposed penalties
$2,915
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
18
inspections on record
204
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: 204 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
LIBERTY STONE & AGGREGATES-CLINTON has $3K 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.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
19 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-09-17.
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
6,970
0
0
0.0
2025 Q3
5,636
2
1
354.9
2025 Q2
7,609
0
0
0.0
2025 Q1
9,424
1
0
106.1
2024 Q4
10,000
0
0
0.0
2024 Q3
8,816
0
0
0.0
2024 Q2
8,693
1
0
115.0
2024 Q1
5,833
2
1
342.9
Show 25 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
6,338
0
0
0.0
2023 Q3
7,225
0
0
0.0
2023 Q2
8,118
2
0
246.4
2023 Q1
8,526
0
0
0.0
2022 Q4
8,399
1
0
119.1
2022 Q3
9,238
0
0
0.0
2022 Q2
6,943
0
0
0.0
2022 Q1
4,820
0
0
0.0
2021 Q4
4,843
2
0
413.0
2021 Q3
5,341
0
0
0.0
2021 Q2
6,166
1
0
162.2
2021 Q1
5,112
0
0
0.0
2020 Q4
6,422
1
0
155.7
2020 Q3
5,161
1
0
193.8
2020 Q2
7,116
0
0
0.0
2020 Q1
4,757
0
0
0.0
2019 Q4
3,901
0
0
0.0
2019 Q3
4,303
5
2
1162.0
2019 Q2
4,456
0
0
0.0
2019 Q1
3,920
0
0
0.0
2018 Q4
3,909
0
0
0.0
2018 Q3
4,507
1
0
221.9
2018 Q2
3,998
0
0
0.0
2018 Q1
3,284
0
0
0.0
2017 Q4
4,099
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
10 on file
2024 · 2 incidents
March 14, 2024NJ · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverHANDLING OF MATERIALS
The full compliance file on LIBERTY STONE & AGGREGATES-CLINTON
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.