Mining Incidents

MN Portable #8: 43 MSHA citations Metal/Non-Metal

Elk River, Sherburne County, MN  ·  Intermittent
MSHA Mine ID: 2101843

MN Portable #8 has $5K 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
11
Years on record
1984–2012
Latest incident
Apr 2012
Compliance record
MSHA citations since 2000
43
citations
9
significant & substantial
$4,580
proposed penalties
$4,580
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
33
inspections on record
422
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: 422 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

MN Portable #8 has $5K 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.
$5K
proposed penalties
$5K
current assessed
$5K
paid to date
$0
outstanding
42 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2021-10-06.
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.
21.4%
significant & substantial
0.0%
high negligence or reckless
21.4%
reasonably likely or greater
52.4%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 28.6% low, 71.4% 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: 2021-05-25, 5 years ago
10%
of limit-tested samples over the exposure limit
23
samples
10
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz101 over
  • Respirable dust, <.1mg12
  • Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (23)
Date Contaminant Concentration Limit Conc / limit Occupation
2013-07-02 Quartz, respirable, >1% Qtz 0.84 0.66 1.27 Crusher Oper/Worker
2021-05-25 Unlisted Particulate, respirable, <1% Qtz 0.14 Front-end Loader Operator
2021-05-25 Respirable dust, <.1mg 0 Crusher Oper/Worker
2021-05-25 Respirable dust, <.1mg 0 Crusher Oper/Worker
2017-10-11 Respirable dust, <.1mg 0 Dry Screen Plant Operator
2017-10-11 Respirable dust, <.1mg 0 Tractor Operator
2017-10-11 Quartz, respirable, >1% Qtz 0.16 1.72 0.09 Bulldozer Operator
2017-10-11 Respirable dust, <.1mg 0 Crusher Oper/Worker
2013-08-08 Quartz, respirable, >1% Qtz 0.26 0.96 0.27 Crusher Oper/Worker
2013-07-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2013-07-02 Respirable dust, <.1mg 0 Bulldozer Operator
2013-07-02 Quartz, respirable, >1% Qtz 0.19 0.75 0.25 Crusher Oper/Worker
2008-06-17 Quartz, respirable, >1% Qtz 0.3 0.6 0.50 Crusher Oper/Worker
2006-04-26 Respirable dust, <.1mg 0 Truck Driver
2006-04-26 Quartz, respirable, >1% Qtz 0.18 0.67 0.27 Bobcat Operator
2006-04-26 Respirable dust, <.1mg 0 Front-end Loader Operator
2006-04-26 Respirable dust, <.1mg 0 Crusher Oper/Worker
2003-12-10 Quartz, respirable, >1% Qtz 0.13 0.5 0.26 Crusher Oper/Worker
2003-12-10 Respirable dust, <.1mg 0 Front-end Loader Operator
2003-12-10 Respirable dust, <.1mg 0 Front-end Loader Operator
2002-11-07 Quartz, respirable, >1% Qtz 0.21 1 0.21 Front-end Loader Operator
2002-11-07 Quartz, respirable, >1% Qtz 0.14 0.46 0.30 Crusher Oper/Worker
2002-11-07 Quartz, respirable, >1% Qtz 0.18 0.81 0.22 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. Barton Contracting Company 1950 to 1983
  2. Barton Sand & Gravel Co 1983 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2023 0
2022 0
2021 3
2020 4
2019 5
2018 5
2017 6
2016 6
2015 4
2014 5
2013 8
2012 7
2011 7
2010 5
2009 4
2008 4
2007 6
2006 4
2005 6
2004 14
2003 7
2002 5
2001 4
2000 5
Source: MSHA quarterly employment and production, updated weekly.

MN Portable #8 sits in Sherburne 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.
Sherburne County, Minnesota · Population 99,178
0.2%
Mining share of county employment
$102,965
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 1,754 0 0 0.0
2026 Q1 254 0 0 0.0
2023 Q2 0 0 0
2023 Q1 0 0 0
2022 Q4 0 0 0
2022 Q3 0 0 0
2022 Q2 0 0 0
2022 Q1 0 0 0
Show 86 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2021 Q4 0 2 0
2021 Q3 2,896 0 0 0.0
2021 Q2 2,896 0 0 0.0
2020 Q4 812 0 0 0.0
2020 Q3 2,750 0 0 0.0
2020 Q2 2,588 0 0 0.0
2020 Q1 815 0 0 0.0
2019 Q4 1,453 0 0 0.0
2019 Q3 3,315 0 0 0.0
2019 Q2 3,085 2 0 648.3
2019 Q1 512 0 0 0.0
2018 Q4 2,021 0 0 0.0
2018 Q3 2,756 0 0 0.0
2018 Q2 2,887 0 0 0.0
2018 Q1 1,190 0 0 0.0
2017 Q4 2,681 2 0 746.0
2017 Q3 3,833 1 0 260.9
2017 Q2 2,788 1 0 358.7
2017 Q1 903 0 0 0.0
2016 Q4 1,497 0 0 0.0
2016 Q3 3,145 0 0 0.0
2016 Q2 3,000 0 0 0.0
2016 Q1 1,458 0 0 0.0
2015 Q4 1,789 0 0 0.0
2015 Q3 2,761 0 0 0.0
2015 Q2 3,048 3 0 984.3
2015 Q1 0 0 0
2014 Q4 2,263 0 0 0.0
2014 Q3 4,667 0 0 0.0
2014 Q2 3,165 0 0 0.0
2014 Q1 0 0 0
2013 Q4 2,063 0 0 0.0
2013 Q3 5,192 6 2 1155.6
2013 Q2 5,897 0 0 0.0
2013 Q1 1,365 0 0 0.0
2012 Q4 2,338 0 0 0.0
2012 Q3 4,318 0 0 0.0
2012 Q2 4,619 2 1 433.0
2012 Q1 1,235 0 0 0.0
2011 Q4 2,306 0 0 0.0
2011 Q3 4,507 0 0 0.0
2011 Q2 4,128 0 0 0.0
2011 Q1 1,052 0 0 0.0
2010 Q4 1,556 0 0 0.0
2010 Q3 2,934 0 0 0.0
2010 Q2 3,041 0 0 0.0
2010 Q1 159 0 0 0.0
2009 Q4 1,318 3 2 2276.2
2009 Q3 2,637 1 0 379.2
2009 Q1 638 0 0 0.0
2008 Q4 1,853 0 0 0.0
2008 Q3 1,240 0 0 0.0
2008 Q2 1 2 0 2000000.0
2008 Q1 737 0 0 0.0
2007 Q4 2,286 0 0 0.0
2007 Q3 4,757 0 0 0.0
2007 Q2 4,840 0 0 0.0
2007 Q1 1 0 0 0.0
2006 Q4 2,240 1 0 446.4
2006 Q3 3,209 0 0 0.0
2006 Q2 3,236 2 0 618.0
2006 Q1 1 0 0 0.0
2005 Q4 1,700 0 0 0.0
2005 Q3 2,939 0 0 0.0
2005 Q2 3,257 1 0 307.0
2005 Q1 1,002 0 0 0.0
2004 Q4 3,555 0 0 0.0
2004 Q3 6,226 0 0 0.0
2004 Q2 4,144 0 0 0.0
2004 Q1 959 0 0 0.0
2003 Q4 2,297 2 0 870.7
2003 Q3 1,496 0 0 0.0
2003 Q2 1,012 0 0 0.0
2003 Q1 484 0 0 0.0
2002 Q4 2,144 3 1 1399.3
2002 Q3 1,670 0 0 0.0
2002 Q2 3,854 1 1 259.5
2002 Q1 1 0 0 0.0
2001 Q4 698 0 0 0.0
2001 Q3 1,664 0 0 0.0
2001 Q2 2,988 2 0 669.3
2001 Q1 171 0 0 0.0
2000 Q4 1,910 0 0 0.0
2000 Q3 2,883 6 2 2081.2
2000 Q2 2,617 0 0 0.0
2000 Q1 1 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

11 on file

2012 · 1 incident

April 2, 2012 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

Hearing Loss

2011 · 1 incident

March 28, 2011 MN · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

hearing loss

2008 · 1 incident

March 7, 2008 MN · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

Hearing loss discovered during annual hearing test.

2003 · 1 incident

March 21, 2003 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Barton Sand & Gravel Co · (Not Elsewhere Classified)

HEARING LOSS RECORDED ON HIS ANNUAL HEARING TEST.

1998 · 1 incident

September 11, 1998 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Barton Sand & Gravel Co · Over-exertion in lifting objects

EE WAS PICKING UP A SCREEN CLOTH WHEN HE TWISTED HS RIGHT KNEE.EE WENT BACK TO WORK THE SAME DAYBUT A WEK LATER HAD TO GO BACK TO THE DR WHICH TOLD HIM HE HAD TO HAVE SURGERY

1994 · 1 incident

September 27, 1994 MN · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Barton Sand & Gravel Co · Struck by falling object

EE UPON LIFTING AND MOVING A STACKING CONVEYOR, THE CHAIN SLIPPED OFF THE BUCKET IT WAS ATTACHED TO, STRIKING HIM JUST ABOVE HIS LEFT EYE.

1989 · 1 incident

September 26, 1989 MN · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Barton Sand & Gravel Co · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE ACCIDENTLY GOT HER RIGHT MIDDLE FINGER CAUGHT BETWEEN A ROCK AND A BOB CAT BLADE.

1987 · 1 incident

September 4, 1987 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Barton Sand & Gravel Co · Caught in, under or between a moving and a stationary object

EMPLOYEE CLEANI3G OUT UNDER A CONVEYOR BELT WHILE RUNNING WHEN TOOL USES TO CLEAN OUT WITH CAUGHT AND PULLED HAND INTO CONVEYOR.

1985 · 1 incident

July 25, 1985 MN · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Barton Sand & Gravel Co · Struck by... (Not Elsewhere Classified)

INJURED WAS STRIPPING ELECTRICAL CABLE AND THE KNIFE HE WAS USING SLIPPED AND CUT HIS LEG

1984 · 2 incidents

June 25, 1984 MN · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Barton Sand & Gravel Co · Struck by rolling or sliding object

WHILE CLEANING OFF A ROCK IN THE TRAP-ANOTHER ROCK ROLLED DOWN THE BANKMENT AND LNDED ON HIS FOOT