Mining Incidents

Portable #1: 82 MSHA citations Metal/Non-Metal

Controlled by Terry Kerlhoff
Morgan, Redwood County, MN  ·  Abandoned
MSHA Mine ID: 2103309

Portable #1 has $26K 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
4
Years on record
2006–2019
Latest incident
Aug 2019
Compliance record
MSHA citations since 2003
82
citations
15
significant & substantial
$25,786
proposed penalties
$16,517
paid to date
64% of proposed penalties paid to date, a $9,269 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2002
37
inspections on record
385
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: 385 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Portable #1 has $26K 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.
$26K
proposed penalties
$17K
current assessed
$17K
paid to date
$0
outstanding
80 assessments are final orders; 1 contested dockets.
Of $16K in penalties contested before the Commission, $6K was upheld in final decisions.
As of the most recent assessment on 2020-06-24.
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.
18.8%
significant & substantial
5.0%
high negligence or reckless
18.8%
reasonably likely or greater
65.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 8.8% low, 86.2% moderate, 5.0% 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.
13 citations taken to the federal commission · 16% of citations on record
  • Settled 12 · 92%
  • Vacated or withdrawn 1 · 8%
100%
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 6 decided S&S contests · industry: 79%
62%
Penalty reduction in decided contests
$16K proposed, $6K 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 2011-01-03.
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
LAKE 2011-254M Settlement Rae 2012 $16K → $6K
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: 2020-06-24, 6 years ago
0%
of limit-tested samples over the exposure limit
6
samples
3
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz3
  • Respirable dust, <.1mg2
  • Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (6)
Date Contaminant Concentration Limit Conc / limit Occupation
2020-06-24 Unlisted Particulate, respirable, <1% Qtz 0.13 Crusher Oper/Worker
2020-06-24 Respirable dust, <.1mg 0 Front-end Loader Operator
2016-11-02 Quartz, respirable, >1% Qtz 0.2 1.79 0.11 Front-end Loader Operator
2016-11-02 Quartz, respirable, >1% Qtz 0.17 1.45 0.12 Front-end Loader Operator
2010-06-02 Quartz, respirable, >1% Qtz 0.46 1.09 0.42 Front-end Loader Operator
2010-06-02 Respirable dust, <.1mg 0 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. TNT Const./Kerkhoff Inc. 2002 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2021 3
2020 2
2019 3
2018 2
2017 3
2016 3
2015 2
2014 2
2013 2
2012 3
2011 9
2010 11
2009 8
2008 5
2007 8
2006 10
2005 5
2004 2
2003 2
2002 2
Source: MSHA quarterly employment and production, updated weekly.

Portable #1 sits in Redwood County, Minnesota, where the Census mining category is 0.2% 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.
Redwood County, Minnesota · Population 15,383
0.2%
Mining share of county employment
$67,024
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
2021 Q1 50 0 0 0.0
2020 Q3 876 0 0 0.0
2020 Q2 1,166 3 0 2572.9
2020 Q1 0 0 0
2019 Q4 944 0 0 0.0
2019 Q3 1,181 0 0 0.0
2019 Q2 896 3 0 3348.2
2019 Q1 0 1 0
Show 67 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2018 Q3 1,236 5 0 4045.3
2018 Q2 1,079 0 0 0.0
2018 Q1 32 0 0 0.0
2017 Q4 96 0 0 0.0
2017 Q3 1,273 0 0 0.0
2017 Q2 1,214 0 0 0.0
2017 Q1 207 0 0 0.0
2016 Q4 881 3 0 3405.2
2016 Q3 1,202 4 0 3327.8
2016 Q2 850 0 0 0.0
2016 Q1 0 0 0
2015 Q4 588 0 0 0.0
2015 Q3 1,193 0 0 0.0
2015 Q2 689 0 0 0.0
2015 Q1 0 1 0
2014 Q4 800 12 0 15000.0
2014 Q3 2,036 10 3 4911.6
2014 Q2 350 0 0 0.0
2014 Q1 0 0 0
2013 Q4 613 0 0 0.0
2013 Q3 1,603 3 0 1871.5
2013 Q2 1,073 0 0 0.0
2013 Q1 0 0 0
2012 Q4 1,416 0 0 0.0
2012 Q3 1,723 4 0 2321.5
2012 Q2 1 0 0 0.0
2012 Q1 1 0 0 0.0
2011 Q4 1,232 0 0 0.0
2011 Q3 1,777 0 0 0.0
2011 Q2 828 0 0 0.0
2011 Q1 51 0 0 0.0
2010 Q4 372 13 6 34946.2
2010 Q3 1,585 0 0 0.0
2010 Q2 1,080 12 5 11111.1
2010 Q1 97 0 0 0.0
2009 Q4 747 0 0 0.0
2009 Q3 783 0 0 0.0
2009 Q2 875 0 0 0.0
2009 Q1 48 0 0 0.0
2008 Q4 120 0 0 0.0
2008 Q3 500 0 0 0.0
2008 Q2 308 0 0 0.0
2008 Q1 8 0 0 0.0
2007 Q4 369 0 0 0.0
2007 Q3 788 3 1 3807.1
2007 Q2 860 0 0 0.0
2007 Q1 121 0 0 0.0
2006 Q4 1,094 3 0 2742.2
2006 Q3 742 0 0 0.0
2006 Q2 1,118 0 0 0.0
2006 Q1 0 0 0
2005 Q4 498 0 0 0.0
2005 Q3 1,023 0 0 0.0
2005 Q2 824 0 0 0.0
2005 Q1 16 0 0 0.0
2004 Q4 364 0 0 0.0
2004 Q3 568 0 0 0.0
2004 Q2 354 0 0 0.0
2004 Q1 51 0 0 0.0
2003 Q4 201 0 0 0.0
2003 Q3 397 1 0 2518.9
2003 Q2 251 0 0 0.0
2003 Q1 10 0 0 0.0
2002 Q4 105 0 0 0.0
2002 Q3 399 0 0 0.0
2002 Q2 971 0 0 0.0
2002 Q1 1 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

4 on file

2019 · 1 incident

August 1, 2019 MN · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
TNT Const./Kerkhoff Inc. · Over-exertion (Not Elsewhere Classified)

Stepping out of the loader and rolled ankle on rock.

2014 · 1 incident

October 23, 2014 MN · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker SLIP OR FALL OF PERSON
TNT Const./Kerkhoff Inc. · Fall onto or against objects

Conveyor was plugged, employee stepped on a rock, got off balance, fell 1 foot & hit left foot on a rock causing a hair line fracture.

2008 · 1 incident

October 21, 2008 MN · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
TNT Const./Kerkhoff Inc. · Fall onto or against objects

EE climed on dozer arm to check water, frost on metal, slipped and fell, hitting lower back on metal brace towards the bottom between dozer blade and radiator.

2006 · 1 incident

November 4, 2006 MN · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
TNT Const./Kerkhoff Inc. · Struck by... (Not Elsewhere Classified)

Pulled lever towards himself to disengage clutch, EE didn't have ahold of it tightly, the lever kicked back and hit the tip of his left thumb.