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: 408 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
LIPPMAN I has $3K 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.
$3K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
32 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2023-10-24.
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: 2025-09-16
0%
of limit-tested samples over the exposure limit
17
samples
3
limit-tested
Most sampled contaminants
Respirable dust, <.1mg11
Quartz, respirable, >1% Qtz5
Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (17)
Date
Contaminant
Concentration
Limit
Conc / limit
Occupation
2025-09-16
Respirable dust, <.1mg
0
Backhoe Operator
2025-09-16
Respirable dust, <.1mg
0
Front-end Loader Operator
2025-09-16
Respirable dust, <.1mg
0
Front-end Loader Operator
2025-09-16
Quartz, respirable, >1% Qtz
0.36
0.65
0.55
Lab Technician
2021-06-08
Quartz, respirable, >1% Qtz
0.23
Laborer, Bullgang
2019-10-24
Quartz, respirable, >1% Qtz
0.26
Crusher Oper/Worker
2016-06-08
Respirable dust, <.1mg
0
Front-end Loader Operator
2016-06-08
Respirable dust, <.1mg
0
Front-end Loader Operator
2016-06-08
Respirable dust, <.1mg
0
Lab Technician
2011-10-12
Quartz, respirable, >1% Qtz
0.22
0.45
0.49
Lab Technician
2011-10-12
Respirable dust, <.1mg
0
Crusher Oper/Worker
2011-10-12
Respirable dust, <.1mg
0
Front-end Loader Operator
2005-05-11
Unlisted Particulate, respirable, <1% Qtz
0.26
Front-end Loader Operator
2005-05-11
Respirable dust, <.1mg
0
Dry Screen Plant Operator
2002-11-05
Respirable dust, <.1mg
0
Front-end Loader Operator
2002-11-05
Respirable dust, <.1mg
0
Crusher Oper/Worker
2000-08-29
Quartz, respirable, >1% Qtz
0.22
1.46
0.15
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
2026
3
2025
3
2024
5
2023
4
2022
3
2021
4
2020
4
2019
3
2018
4
2017
3
2016
3
2015
4
2014
4
2013
4
2012
3
2011
3
2010
3
2009
3
2008
5
2007
3
2006
3
2005
3
2004
2
2003
3
2002
2
2001
2
2000
3
Source: MSHA quarterly employment and production, updated weekly.
LIPPMAN I sits in Grand Traverse County, Michigan, where the Census mining category is 0.4% 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.
Grand Traverse County, Michigan · Population 95,757
0.4%
Mining share of county employment
$79,486
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
3,109
0
0
0.0
2026 Q1
0
0
0
2025 Q4
2,361
0
0
0.0
2025 Q3
2,022
0
0
0.0
2025 Q2
1,771
0
0
0.0
2025 Q1
0
0
0
2024 Q4
2,322
0
0
0.0
2024 Q3
2,961
0
0
0.0
Show 97 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2024 Q2
2,922
0
0
0.0
2024 Q1
853
0
0
0.0
2023 Q4
1,964
1
0
509.2
2023 Q3
4,632
0
0
0.0
2023 Q2
1,235
0
0
0.0
2023 Q1
0
0
0
2022 Q4
1,565
0
0
0.0
2022 Q3
1,828
0
0
0.0
2022 Q2
977
0
0
0.0
2022 Q1
0
0
0
2021 Q4
807
0
0
0.0
2021 Q3
2,221
0
0
0.0
2021 Q2
5,843
0
0
0.0
2021 Q1
0
0
0
2020 Q4
1,489
1
1
671.6
2020 Q3
2,188
0
0
0.0
2020 Q2
2,822
0
0
0.0
2020 Q1
610
0
0
0.0
2019 Q4
1,169
0
0
0.0
2019 Q3
3,490
0
0
0.0
2019 Q2
854
0
0
0.0
2019 Q1
0
0
0
2018 Q4
1,678
0
0
0.0
2018 Q3
2,797
0
0
0.0
2018 Q2
2,459
0
0
0.0
2018 Q1
462
0
0
0.0
2017 Q4
1,358
0
0
0.0
2017 Q3
1,609
0
0
0.0
2017 Q2
1,697
0
0
0.0
2017 Q1
0
0
0
2016 Q4
563
3
0
5328.6
2016 Q3
2,412
0
0
0.0
2016 Q2
694
2
0
2881.8
2016 Q1
47
0
0
0.0
2015 Q4
1,905
0
0
0.0
2015 Q3
3,233
0
0
0.0
2015 Q2
2,003
3
0
1497.8
2015 Q1
622
0
0
0.0
2014 Q4
1,897
0
0
0.0
2014 Q3
3,220
0
0
0.0
2014 Q2
1,982
0
0
0.0
2014 Q1
131
0
0
0.0
2013 Q4
1,575
2
0
1269.8
2013 Q3
2,221
0
0
0.0
2013 Q2
1,322
0
0
0.0
2013 Q1
321
0
0
0.0
2012 Q4
768
1
0
1302.1
2012 Q3
912
0
0
0.0
2012 Q2
1,138
0
0
0.0
2012 Q1
146
0
0
0.0
2011 Q4
487
0
0
0.0
2011 Q3
1,301
0
0
0.0
2011 Q2
132
0
0
0.0
2011 Q1
183
0
0
0.0
2010 Q4
381
0
0
0.0
2010 Q3
880
0
0
0.0
2010 Q2
1,222
0
0
0.0
2010 Q1
36
0
0
0.0
2009 Q4
617
5
0
8103.7
2009 Q3
764
0
0
0.0
2009 Q2
114
0
0
0.0
2009 Q1
100
0
0
0.0
2008 Q4
744
0
0
0.0
2008 Q3
1,340
0
0
0.0
2008 Q2
687
0
0
0.0
2008 Q1
258
0
0
0.0
2007 Q4
447
0
0
0.0
2007 Q3
2,004
0
0
0.0
2007 Q2
714
2
0
2801.1
2007 Q1
69
0
0
0.0
2006 Q4
627
0
0
0.0
2006 Q3
760
0
0
0.0
2006 Q2
1,655
0
0
0.0
2006 Q1
178
0
0
0.0
2005 Q4
840
1
0
1190.5
2005 Q3
1,836
0
0
0.0
2005 Q2
1,133
6
1
5295.7
2005 Q1
562
0
0
0.0
2004 Q4
1,421
0
0
0.0
2004 Q3
695
0
0
0.0
2004 Q2
593
0
0
0.0
2004 Q1
0
0
0
2003 Q4
1,540
0
0
0.0
2003 Q3
1,655
0
0
0.0
2003 Q2
1,632
0
0
0.0
2002 Q4
295
0
0
0.0
2002 Q3
1,088
0
0
0.0
2002 Q2
1,376
2
0
1453.5
2002 Q1
0
0
0
2001 Q4
1,198
0
0
0.0
2001 Q3
1,990
0
0
0.0
2001 Q2
1,668
0
0
0.0
2001 Q1
0
0
0
2000 Q4
127
0
0
0.0
2000 Q3
2,012
3
1
1491.1
2000 Q2
2,698
0
0
0.0
2000 Q1
191
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2003 · 1 incident
October 2, 2003MI · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techMACHINERY
MECHANIC WAS DRILLING OUT A BROKEN BOLT ON LOADER BUCKET WHEN DRILL BIT BROKE AND A PIECE OF DRILL BIT FLEW UP INTO INJURED'S FACE. DRILL BIT FLEW UNDER SAFETY GLASSES AND CONTACTED LEFT EYE C AUSING IMMEDIATE PAIN FORCING EE TO SEEK MEDICALATTENTION. WE ARE STILL AWAITING OUTCOME OF SURGICAL REPAIR TO DETERMINE ANY FUTURE ISSUES OR POTENTIAL DISABILITIES OR LOSS OF USE.
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