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.
Plant #1 has $710 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.
$710
proposed penalties
$710
current assessed
$710
paid to date
$0
outstanding
8 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2011-08-03.
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: 2005-04-13, 21 years ago
25%
of limit-tested samples over the exposure limit
6
samples
4
limit-tested
Most sampled contaminants
Quartz, respirable, >1% Qtz41 over
Respirable dust, <.1mg2
Show the individual readings (6)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2002-06-12
Quartz, respirable, >1% Qtz
0.61
0.52
1.17
Crusher Oper/Worker
2005-04-13
Respirable dust, <.1mg
0
Front-end Loader Operator
2005-04-13
Quartz, respirable, >1% Qtz
0.12
0.39
0.31
Front-end Loader Operator
2002-06-12
Quartz, respirable, >1% Qtz
0.15
0.6
0.25
Lab Technician
2002-06-12
Respirable dust, <.1mg
0
Front-end Loader Operator
2002-06-12
Quartz, respirable, >1% Qtz
0.15
0.69
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.
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year
Employees
2013
3
2012
3
2011
4
2010
7
2009
8
2008
8
2007
8
2006
10
2005
10
2004
9
2003
12
2002
9
2001
7
2000
6
Source: MSHA quarterly employment and production, updated weekly.
Plant #1 sits in Roscommon County, Michigan, 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.
Roscommon County, Michigan · Population 23,639
0.2%
Mining share of county employment
$54,106
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
2013 Q4
0
0
0
2013 Q3
0
0
0
2013 Q2
1,167
0
0
0.0
2013 Q1
0
0
0
2012 Q4
0
0
0
2012 Q3
0
0
0
2012 Q2
74
0
0
0.0
2012 Q1
0
0
0
Show 48 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2011 Q4
0
0
0
2011 Q3
1,157
1
0
864.3
2011 Q2
253
0
0
0.0
2011 Q1
0
0
0
2010 Q4
227
0
0
0.0
2010 Q3
1,931
0
0
0.0
2010 Q2
1,341
0
0
0.0
2010 Q1
0
0
0
2009 Q4
59
0
0
0.0
2009 Q3
3,326
3
2
902.0
2009 Q2
484
0
0
0.0
2009 Q1
43
0
0
0.0
2008 Q4
799
0
0
0.0
2008 Q3
427
0
0
0.0
2008 Q2
1,653
0
0
0.0
2008 Q1
43
0
0
0.0
2007 Q4
822
0
0
0.0
2007 Q3
1,811
0
0
0.0
2007 Q2
2,830
1
0
353.4
2007 Q1
120
0
0
0.0
2006 Q4
1,803
0
0
0.0
2006 Q3
3,623
0
0
0.0
2006 Q2
4,826
1
0
207.2
2006 Q1
1,351
0
0
0.0
2005 Q4
2,112
0
0
0.0
2005 Q3
1,748
0
0
0.0
2005 Q2
7,081
1
0
141.2
2005 Q1
195
0
0
0.0
2004 Q4
1,408
0
0
0.0
2004 Q3
2,077
0
0
0.0
2004 Q2
2,580
0
0
0.0
2004 Q1
99
0
0
0.0
2003 Q4
517
0
0
0.0
2003 Q3
1,481
0
0
0.0
2003 Q2
436
0
0
0.0
2003 Q1
589
0
0
0.0
2002 Q4
2,821
0
0
0.0
2002 Q3
4,647
0
0
0.0
2002 Q2
1,894
1
1
528.0
2002 Q1
60
0
0
0.0
2001 Q4
530
0
0
0.0
2001 Q3
853
0
0
0.0
2001 Q2
1,859
0
0
0.0
2001 Q1
260
0
0
0.0
2000 Q4
1,419
0
0
0.0
2000 Q3
3,196
0
0
0.0
2000 Q2
3,420
0
0
0.0
2000 Q1
726
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
4 on file
2002 · 1 incident
August 15, 2002MI · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanOTHER