Mining Incidents

Extec E-7 Portable Screen: 36 MSHA citations Metal/Non-Metal

Presby Construction, Inc. · Surface
Lisbon, Grafton County, NH  ·  Intermittent
MSHA Mine ID: 2700417

Extec E-7 Portable Screen has $6K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Extec E-7 Portable Screen.

Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2006
36
citations
11
significant & substantial
$6,397
proposed penalties
$6,397
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2006
26
inspections on record
191
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: 191 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Extec E-7 Portable Screen has $6K 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.
$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
35 assessments are final orders; 1 contested dockets.
Of $200 in penalties contested before the Commission, $200 was upheld in final decisions.
As of the most recent assessment on 2024-08-06.
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.
31.4%
significant & substantial
11.4%
high negligence or reckless
31.4%
reasonably likely or greater
54.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 5.7% low, 82.9% moderate, 11.4% 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%
0%
Penalty reduction in decided contests
$200 proposed, $200 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 2009-11-16.
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 2010-67M Settlement Melick 2010 $200 → $200
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: 2016-09-07, 10 years ago
0%
of limit-tested samples over the exposure limit
2
samples
2
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz2
Show the individual readings (2)
Date Contaminant Concentration Limit Conc / limit Occupation
2016-09-07 Quartz, respirable, >1% Qtz 0.33 0.53 0.62 Front-end Loader Operator
2016-09-07 Quartz, respirable, >1% Qtz 0.13 0.41 0.32 Dry Screen Plant 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. Presby Construction, Inc. 2006 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 5
2025 5
2024 4
2023 4
2022 3
2021 3
2020 4
2019 3
2018 4
2017 4
2016 3
2015 3
2014 2
2013 3
2012 2
2011 3
2010 2
2009 2
2008 2
2007 3
2006 3
Source: MSHA quarterly employment and production, updated weekly.

Extec E-7 Portable Screen sits in Grafton County, New Hampshire, 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.
Grafton County, New Hampshire · Population 91,759
0.0%
Mining share of county employment
$84,021
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 3,037 0 0 0.0
2026 Q1 65 0 0 0.0
2025 Q4 70 0 0 0.0
2025 Q3 850 0 0 0.0
2025 Q2 993 0 0 0.0
2025 Q1 244 0 0 0.0
2024 Q4 206 0 0 0.0
2024 Q3 1,353 1 1 739.1
Show 72 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 144 0 0 0.0
2024 Q1 268 0 0 0.0
2023 Q4 11 0 0 0.0
2023 Q3 56 0 0 0.0
2023 Q2 61 0 0 0.0
2023 Q1 82 0 0 0.0
2022 Q4 67 0 0 0.0
2022 Q3 543 0 0 0.0
2022 Q2 291 0 0 0.0
2022 Q1 144 0 0 0.0
2021 Q4 5 0 0 0.0
2021 Q3 89 0 0 0.0
2021 Q2 174 0 0 0.0
2021 Q1 62 0 0 0.0
2020 Q4 35 0 0 0.0
2020 Q3 142 0 0 0.0
2020 Q2 429 0 0 0.0
2020 Q1 606 0 0 0.0
2019 Q4 45 0 0 0.0
2019 Q3 304 1 1 3289.5
2019 Q2 67 0 0 0.0
2019 Q1 99 0 0 0.0
2018 Q4 26 0 0 0.0
2018 Q3 295 0 0 0.0
2018 Q2 626 0 0 0.0
2018 Q1 329 0 0 0.0
2017 Q4 110 0 0 0.0
2017 Q3 275 0 0 0.0
2017 Q2 698 0 0 0.0
2017 Q1 35 0 0 0.0
2016 Q4 482 0 0 0.0
2016 Q3 630 0 0 0.0
2016 Q2 708 0 0 0.0
2016 Q1 214 0 0 0.0
2015 Q4 172 0 0 0.0
2015 Q3 264 0 0 0.0
2015 Q2 94 1 0 10638.3
2015 Q1 34 0 0 0.0
2014 Q4 85 0 0 0.0
2014 Q3 62 6 3 96774.2
2014 Q2 0 0 0
2014 Q1 55 0 0 0.0
2013 Q4 39 0 0 0.0
2013 Q3 61 0 0 0.0
2013 Q2 147 4 0 27210.9
2013 Q1 17 0 0 0.0
2012 Q4 12 1 0 83333.3
2012 Q3 118 0 0 0.0
2012 Q2 86 0 0 0.0
2012 Q1 26 0 0 0.0
2011 Q4 39 0 0 0.0
2011 Q3 85 0 0 0.0
2011 Q2 52 0 0 0.0
2011 Q1 19 0 0 0.0
2010 Q4 71 0 0 0.0
2010 Q3 191 0 0 0.0
2010 Q2 195 1 0 5128.2
2010 Q1 0 0 0
2009 Q4 122 0 0 0.0
2009 Q3 121 7 4 57851.2
2009 Q2 163 0 0 0.0
2009 Q1 0 0 0
2008 Q4 34 0 0 0.0
2008 Q3 207 0 0 0.0
2008 Q2 177 0 0 0.0
2008 Q1 66 6 0 90909.1
2007 Q4 70 0 0 0.0
2007 Q3 128 3 0 23437.5
2007 Q2 85 0 0 0.0
2007 Q1 10 0 0 0.0
2006 Q4 35 0 0 0.0
2006 Q3 70 5 2 71428.6

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.