Mouser #1 has $22K in proposed MSHA penalties and $151 outstanding across 0 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
4
Years on record
2014–2022
Latest incident
Aug 2022
Compliance record
MSHA citations since 2014
53
citations
25
significant & substantial
$22,448
proposed penalties
$22,297
paid to date
99% of proposed penalties paid to date, a $151 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2014
26
inspections on record
398
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: 398 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Mouser #1 has $22K in proposed MSHA penalties and $151 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.
$22K
proposed penalties
$22K
current assessed
$22K
paid to date
$151
outstanding
49 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-12-17.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
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
2025 Q4
17,010
1
1
58.8
2025 Q3
20,080
1
0
49.8
2025 Q2
24,110
0
0
0.0
2025 Q1
24,350
1
0
41.1
2024 Q4
25,830
0
0
0.0
2024 Q3
26,900
1
0
37.2
2024 Q2
26,900
0
0
0.0
2024 Q1
27,520
0
0
0.0
Show 41 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
23,790
1
0
42.0
2023 Q3
27,280
0
0
0.0
2023 Q2
26,553
1
0
37.7
2023 Q1
29,250
1
1
34.2
2022 Q4
29,610
0
0
0.0
2022 Q3
30,130
0
0
0.0
2022 Q2
32,970
0
0
0.0
2022 Q1
27,320
1
1
36.6
2021 Q4
29,190
0
0
0.0
2021 Q3
26,620
1
0
37.6
2021 Q2
29,230
0
0
0.0
2021 Q1
21,050
1
1
47.5
2020 Q4
23,560
0
0
0.0
2020 Q3
22,648
0
0
0.0
2020 Q2
25,527
2
1
78.3
2020 Q1
21,194
0
0
0.0
2019 Q4
23,180
4
2
172.6
2019 Q3
38,061
0
0
0.0
2019 Q2
34,610
2
1
57.8
2019 Q1
31,392
0
0
0.0
2018 Q4
20,790
3
2
144.3
2018 Q3
25,390
6
2
236.3
2018 Q2
24,048
0
0
0.0
2018 Q1
24,765
4
2
161.5
2017 Q4
22,876
0
0
0.0
2017 Q3
27,180
0
0
0.0
2017 Q2
25,600
3
2
117.2
2017 Q1
22,857
0
0
0.0
2016 Q4
18,420
0
0
0.0
2016 Q3
20,475
0
0
0.0
2016 Q2
20,352
2
2
98.3
2016 Q1
25,200
0
0
0.0
2015 Q4
17,600
2
1
113.6
2015 Q3
19,845
5
4
252.0
2015 Q2
24,840
0
0
0.0
2015 Q1
18,544
5
1
269.6
2014 Q4
15,037
0
0
0.0
2014 Q3
16,686
0
0
0.0
2014 Q2
13,635
0
0
0.0
2014 Q1
13,260
2
1
150.8
2013 Q4
8,152
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
4 on file
2022 · 1 incident
August 22, 2022OK · Metal/Non-Metalstone finishing and sizing personnel, stone/rock cut/polish/saw operator, splitter, cutter, trimmerMACHINERY
Employee had their left hand between the rock & chopper table. When second employee cut the rock, index and middle finger were smashed. Minor damage to middle finger index finger required stitches and a splint. Follow up with dr. in 2 weeks.6-12 week recovery time.
2019 · 1 incident
October 8, 2019OK · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverSLIP OR FALL OF PERSON
Loader hand found EE on the ground disoriented. EE asked for help and to go to the hospital. The ambulance was out on call so some of the other employees took EE to the ER. It was only after everything settled down that we found a rag and some window cleaner. Best we can tell EE got out to clean mirror or window and fell missing a step or handle.
2016 · 1 incident
May 12, 2016OK · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Co-worker was on skid steer while EE was trying to take bucket off because it was too tight. EE instructed co-worker to raise the bucket up. It was 3.5 feet in air and EE walked in front of the bucket and pried the lever on the coupler. The bucket fell severing the big toe and the 2 beside it.
2014 · 1 incident
October 20, 2014OK · Metal/Non-MetalsuperintendentOTHER
Arrived not feeling well, became ill and unresponsive and was taken to the hospital. He ultimately passed away from stroke. His illness was not work related.
For insurers, brokers, and safety consultants
The full compliance file on Mouser #1
A dated report covering the 26-year penalty trail, line-item violation pattern, contest and
docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF
with the underlying data as CSV.