Portable #4 has $242 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
2018
Latest incident
May 2018
Compliance record
MSHA citations since 2019
2
citations
0
significant & substantial
$242
proposed penalties
$242
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2017
11
inspections on record
99
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: 99 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 $242 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.
$242
proposed penalties
$242
current assessed
$242
paid to date
$0
outstanding
2 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2019-03-14.
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
1
0
0
0.0
2025 Q3
722
0
0
0.0
2025 Q2
172
0
0
0.0
2025 Q1
181
0
0
0.0
2024 Q4
116
0
0
0.0
2024 Q3
17
0
0
0.0
2024 Q2
621
0
0
0.0
2024 Q1
79
0
0
0.0
Show 25 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2023 Q4
34
0
0
0.0
2023 Q3
1
0
0
0.0
2023 Q2
1
0
0
0.0
2023 Q1
33
0
0
0.0
2022 Q4
278
0
0
0.0
2022 Q3
193
0
0
0.0
2022 Q2
1
0
0
0.0
2022 Q1
1
0
0
0.0
2021 Q4
26
0
0
0.0
2021 Q3
246
0
0
0.0
2021 Q2
287
0
0
0.0
2021 Q1
1
0
0
0.0
2020 Q4
1
0
0
0.0
2020 Q3
87
0
0
0.0
2020 Q2
0
0
0
2020 Q1
17
0
0
0.0
2019 Q4
1,303
0
0
0.0
2019 Q3
408
0
0
0.0
2019 Q2
308
0
0
0.0
2019 Q1
500
2
0
4000.0
2018 Q4
50
0
0
0.0
2018 Q3
71
0
0
0.0
2018 Q2
64
0
0
0.0
2018 Q1
350
0
0
0.0
2017 Q4
117
0
0
0.0
No fatalities recorded at this mine.
Reportable incidents
1 on file
2018 · 1 incident
May 9, 2018KS · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
Employee was using wrench to install rollers on portable plant. Felt a "pop" in rt shoulder. Refused medical treatment until 05/16/18. Placed on light duty. No light duty available. Returned to regular duty 05/22/18. Follow-up with dr 5/31. Placed on light duty. No light duty available.
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.