Portable #4 has $28K 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
1
Years on record
2023
Latest incident
Sep 2023
Compliance record
MSHA citations since 2011
61
citations
10
significant & substantial
$28,036
proposed penalties
$28,036
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2011
23
inspections on record
389
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: 389 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Portable #4 has $28K 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.
$28K
proposed penalties
$28K
current assessed
$28K
paid to date
$0
outstanding
60 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-10-22.
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
5,311
1
1
188.3
2025 Q3
8,353
0
0
0.0
2025 Q2
8,516
7
2
822.0
2025 Q1
7,738
3
1
387.7
2024 Q4
8,410
0
0
0.0
2024 Q3
8,165
0
0
0.0
2024 Q2
8,369
2
0
239.0
2024 Q1
9,902
0
0
0.0
Show 53 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
9,000
6
0
666.7
2023 Q3
9,470
3
1
316.8
2023 Q2
8,628
0
0
0.0
2023 Q1
6,640
8
1
1204.8
2022 Q4
6,883
0
0
0.0
2022 Q3
8,427
12
1
1424.0
2022 Q2
7,926
0
0
0.0
2022 Q1
4,931
0
0
0.0
2021 Q4
5,590
0
0
0.0
2021 Q3
6,408
9
1
1404.5
2021 Q2
5,539
0
0
0.0
2021 Q1
4,645
0
0
0.0
2020 Q4
3,708
0
0
0.0
2020 Q3
2,900
0
0
0.0
2020 Q2
2,405
1
0
415.8
2020 Q1
0
0
0
2019 Q4
612
0
0
0.0
2019 Q3
1,256
3
0
2388.5
2019 Q2
66
0
0
0.0
2019 Q1
0
0
0
2018 Q4
0
0
0
2018 Q3
0
0
0
2018 Q2
0
3
1
2018 Q1
0
0
0
2017 Q4
728
0
0
0.0
2017 Q3
2,584
0
0
0.0
2017 Q2
1,231
0
0
0.0
2017 Q1
434
0
0
0.0
2016 Q4
558
0
0
0.0
2016 Q3
1,482
0
0
0.0
2015 Q4
1,091
0
0
0.0
2015 Q3
1,887
1
1
529.9
2015 Q2
234
0
0
0.0
2015 Q1
0
0
0
2014 Q4
188
0
0
0.0
2014 Q3
1,669
0
0
0.0
2014 Q2
1,479
0
0
0.0
2014 Q1
409
0
0
0.0
2013 Q4
1,343
0
0
0.0
2013 Q3
2,230
0
0
0.0
2013 Q2
569
0
0
0.0
2013 Q1
300
0
0
0.0
2012 Q4
225
0
0
0.0
2012 Q3
477
0
0
0.0
2012 Q2
950
1
0
1052.6
2012 Q1
800
0
0
0.0
2011 Q4
752
0
0
0.0
2011 Q3
1,422
0
0
0.0
2011 Q2
841
1
0
1189.1
2011 Q1
1,504
0
0
0.0
2010 Q4
542
0
0
0.0
2010 Q3
1,208
0
0
0.0
2010 Q2
120
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2023 · 1 incident
September 5, 2023UT · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverSLIP OR FALL OF PERSON
After exiting truck onto scale platform, EE lost EE's footing and EE's left foot slipped between the truck steps and the platform EE felt a pop in EE's right standing leg that stayed on the platform. EE was diagnosed with a right hip sprain.
For insurers, brokers, and safety consultants
The full compliance file on Portable #4
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.