Mining Incidents

Commercial Street Plant: 5 MSHA citations Metal/Non-Metal

Piontkowski Enterprises LLC · Surface
Controlled by Carl F Piontkowski
Boscawen, Merrimack County, NH  ·  Abandoned
MSHA Mine ID: 2700368

Commercial Street Plant has $275 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 2001
5
citations
0
significant & substantial
$275
proposed penalties
$275
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
13
inspections on record
116
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: 116 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Commercial Street Plant has $275 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.
$275
proposed penalties
$275
current assessed
$275
paid to date
$0
outstanding
5 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2002-10-09.
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.
0.0%
significant & substantial
0.0%
high negligence or reckless
0.0%
reasonably likely or greater
60.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 40.0% low, 60.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Ownership history
  1. Piontkowski Enterprises LLC 2001 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2006 3
2005 4
2004 5
2003 4
2002 4
2001 3
Source: MSHA quarterly employment and production, updated weekly.

Commercial Street Plant sits in Merrimack County, New Hampshire, 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.
Merrimack County, New Hampshire · Population 155,018
0.1%
Mining share of county employment
$93,944
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
2006 Q1 765 0 0 0.0
2005 Q4 1,578 0 0 0.0
2005 Q3 1,643 0 0 0.0
2005 Q2 2,300 0 0 0.0
2005 Q1 1,760 0 0 0.0
2004 Q4 1,908 0 0 0.0
2004 Q3 744 0 0 0.0
2004 Q2 2,073 0 0 0.0
Show 11 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2004 Q1 1,820 0 0 0.0
2003 Q4 1,856 0 0 0.0
2003 Q3 1,612 0 0 0.0
2003 Q2 1,086 0 0 0.0
2003 Q1 540 0 0 0.0
2002 Q4 805 4 0 4968.9
2002 Q3 1,212 0 0 0.0
2002 Q2 1,721 0 0 0.0
2002 Q1 1,221 0 0 0.0
2001 Q4 516 1 0 1938.0
2001 Q3 999 0 0 0.0

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.