Mining Incidents

Lawrencville Aggregate Plant #20: 12 MSHA citations Metal/Non-Metal

Lawrenceville, Tioga County, PA  ·  Abandoned
MSHA Mine ID: 3609781

Lawrencville Aggregate Plant #20 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 2009
12
citations
4
significant & substantial
$1,511
proposed penalties
$1,511
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2009
12
inspections on record
152
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: 152 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Lawrencville Aggregate Plant #20 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
12 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2017-05-17.
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.
33.3%
significant & substantial
0.0%
high negligence or reckless
33.3%
reasonably likely or greater
75.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 0.0% low, 100.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, 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: 2017-09-13, 8 years ago
50%
of limit-tested samples over the exposure limit
6
samples
6
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz63 over
Show the individual readings (6)
Date Contaminant Concentration Limit Conc / limit Occupation
2017-09-13 Quartz, respirable, >1% Qtz 0.42 0.42 1.00 Front-end Loader Operator
2015-07-22 Quartz, respirable, >1% Qtz 1.01 0.53 1.91 Crusher Oper/Worker
2015-07-22 Quartz, respirable, >1% Qtz 0.85 0.54 1.57 Front-end Loader Operator
2017-09-13 Quartz, respirable, >1% Qtz 0.47 0.53 0.89 Front-end Loader Operator
2010-07-15 Quartz, respirable, >1% Qtz 0.24 0.86 0.28 Crusher Oper/Worker
2010-07-15 Quartz, respirable, >1% Qtz 0.28 0.32 0.88 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.
Ownership history
  1. Lopke Quarries, Inc. 2009 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2018 0
2017 2
2015 2
2014 0
2013 3
2012 3
2011 4
2010 3
2009 3
Source: MSHA quarterly employment and production, updated weekly.

Lawrencville Aggregate Plant #20 sits in Tioga County, Pennsylvania, where the Census mining category is 2.1% 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.
Tioga County, Pennsylvania · Population 41,078
2.1%
Mining share of county employment
$62,932
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
2018 Q1 0 0 0
2017 Q4 892 0 0 0.0
2017 Q3 1,075 0 0 0.0
2017 Q2 351 2 0 5698.0
2015 Q3 744 4 2 5376.3
2014 Q3 0 0 0
2014 Q2 0 0 0
2014 Q1 0 0 0
Show 17 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2013 Q4 1,158 0 0 0.0
2013 Q3 2,826 0 0 0.0
2013 Q2 800 0 0 0.0
2013 Q1 0 0 0
2012 Q4 0 0 0
2012 Q2 2,247 0 0 0.0
2012 Q1 1,909 0 0 0.0
2011 Q4 2,464 0 0 0.0
2011 Q3 2,279 0 0 0.0
2011 Q2 2,304 1 1 434.0
2011 Q1 768 0 0 0.0
2010 Q4 2,177 0 0 0.0
2010 Q3 1,993 1 0 501.8
2010 Q2 1,463 0 0 0.0
2010 Q1 1,455 2 0 1374.6
2009 Q4 1,474 0 0 0.0
2009 Q3 1,709 2 1 1170.3

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.