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: 157 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Prentice Pit has $14K 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.
$14K
proposed penalties
$14K
current assessed
$14K
paid to date
$0
outstanding
20 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2018-07-24.
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.
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: 2002-06-25, 24 years ago
0%
of limit-tested samples over the exposure limit
2
samples
1
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz1
Respirable dust, <.1mg1
Show the individual readings (2)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2002-06-25
Quartz, respirable, >1% Qtz
0.21
1.67
0.13
Crusher Oper/Worker
2002-06-25
Respirable dust, <.1mg
0
Crusher Oper/Worker
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2019
1
2018
2
2017
2
2016
2
2015
2
2014
2
2013
3
2012
2
2011
2
2010
3
2009
3
2008
3
2007
3
2006
3
2005
2
2004
3
2003
3
2002
3
2001
3
2000
4
Source: MSHA quarterly employment and production, updated weekly.
Prentice Pit sits in Kandiyohi County, Minnesota, 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.
Kandiyohi County, Minnesota · Population 43,757
0.1%
Mining share of county employment
$75,097
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
2019 Q1
1
0
0
0.0
2018 Q4
1
0
0
0.0
2018 Q3
61
2
1
32786.9
2018 Q2
1
0
0
0.0
2018 Q1
1
0
0
0.0
2017 Q4
1
0
0
0.0
2017 Q3
50
0
0
0.0
2017 Q2
37
0
0
0.0
Show 66 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2017 Q1
1
0
0
0.0
2016 Q4
1
0
0
0.0
2016 Q3
28
0
0
0.0
2016 Q2
43
1
0
23255.8
2016 Q1
1
0
0
0.0
2015 Q4
1
0
0
0.0
2015 Q3
33
0
0
0.0
2015 Q2
12
0
0
0.0
2015 Q1
1
0
0
0.0
2014 Q4
1
0
0
0.0
2014 Q3
43
0
0
0.0
2014 Q2
9
0
0
0.0
2014 Q1
1
0
0
0.0
2013 Q4
7
0
0
0.0
2013 Q3
46
0
0
0.0
2013 Q2
30
0
0
0.0
2013 Q1
1
0
0
0.0
2012 Q4
5
0
0
0.0
2012 Q3
64
0
0
0.0
2012 Q1
1
0
0
0.0
2011 Q4
7
0
0
0.0
2011 Q3
83
0
0
0.0
2011 Q2
1
0
0
0.0
2011 Q1
1
0
0
0.0
2010 Q4
15
0
0
0.0
2010 Q3
31
0
0
0.0
2010 Q2
29
0
0
0.0
2010 Q1
1
0
0
0.0
2009 Q4
17
0
0
0.0
2009 Q3
61
0
0
0.0
2009 Q2
43
0
0
0.0
2009 Q1
1
0
0
0.0
2008 Q4
20
0
0
0.0
2008 Q3
68
0
0
0.0
2008 Q2
40
0
0
0.0
2008 Q1
1
0
0
0.0
2007 Q4
27
0
0
0.0
2007 Q3
65
0
0
0.0
2007 Q2
57
0
0
0.0
2007 Q1
1
0
0
0.0
2006 Q4
44
0
0
0.0
2006 Q3
86
0
0
0.0
2006 Q2
75
0
0
0.0
2006 Q1
1
0
0
0.0
2005 Q4
93
0
0
0.0
2005 Q3
442
0
0
0.0
2005 Q2
164
0
0
0.0
2005 Q1
1
0
0
0.0
2004 Q4
722
0
0
0.0
2004 Q3
966
0
0
0.0
2004 Q2
265
0
0
0.0
2004 Q1
1
0
0
0.0
2003 Q4
743
0
0
0.0
2003 Q3
1,229
0
0
0.0
2003 Q2
426
0
0
0.0
2003 Q1
1
0
0
0.0
2002 Q4
861
0
0
0.0
2002 Q3
1,497
0
0
0.0
2002 Q2
663
5
1
7541.5
2002 Q1
1
0
0
0.0
2001 Q4
943
0
0
0.0
2001 Q3
1,630
0
0
0.0
2001 Q2
645
0
0
0.0
2001 Q1
0
0
0
2000 Q4
729
0
0
0.0
2000 Q3
1,666
12
11
7202.9
No fatalities recorded at this mine.
Reportable incidents
1 on file
2000 · 1 incident
July 12, 2000MN · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorMACHINERY
EMPLOYEE BECAME ENTANGLED ON ROLLS OF THE CRUSHER, HE WAS STANDING ON ROLL FEED CONVEYER, AFTER REMOVING MATERIAL FROM JAW OF FEED CONVEYER, ANOTHER EMPLOYEE ACCIDENTLY TURNED ON ROLL FEED CON VEYER, HE WAS THROWN IN TO FEED HOPPER OF ROLL AND ENTANGLED LEG.