Portable Unit #2 Metal/Non-Metal
Rosenbaum Crushing & Excavating
· Surface
Controlled by
Mark S Rosenbaum
Stoughton,
Dane County,
WI
·
Intermittent
MSHA Mine ID: 4702854
Portable Unit #2 has $6K 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
- 0
- Years on record
- —
- Latest incident
- —
Compliance record
MSHA citations since 2001
55
citations
10
significant & substantial
$6,069
proposed penalties
$6,069
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
33
inspections on record
474
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: 474 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 Unit #2 has $6K 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.$6K
proposed penalties
$6K
current assessed
$6K
paid to date
$0
outstanding
55 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-06-24.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also
the operator's enforcement record
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 | 2,758 | 0 | 0 | 0.0 |
| 2025 Q3 | 2,756 | 0 | 0 | 0.0 |
| 2025 Q2 | 2,515 | 4 | 0 | 1590.5 |
| 2025 Q1 | 1,288 | 0 | 0 | 0.0 |
| 2024 Q4 | 2,713 | 0 | 0 | 0.0 |
| 2024 Q2 | 2,853 | 0 | 0 | 0.0 |
| 2024 Q1 | 2,512 | 0 | 0 | 0.0 |
| 2023 Q4 | 2,378 | 0 | 0 | 0.0 |
Show 92 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q3 | 2,546 | 0 | 0 | 0.0 |
| 2023 Q2 | 2,125 | 0 | 0 | 0.0 |
| 2023 Q1 | 2,250 | 0 | 0 | 0.0 |
| 2022 Q4 | 2,244 | 5 | 0 | 2228.2 |
| 2022 Q3 | 3,021 | 0 | 0 | 0.0 |
| 2022 Q2 | 2,549 | 3 | 0 | 1176.9 |
| 2022 Q1 | 1,291 | 0 | 0 | 0.0 |
| 2021 Q4 | 1,890 | 0 | 0 | 0.0 |
| 2021 Q3 | 2,914 | 0 | 0 | 0.0 |
| 2021 Q2 | 2,631 | 0 | 0 | 0.0 |
| 2021 Q1 | 1,824 | 0 | 0 | 0.0 |
| 2020 Q4 | 2,426 | 0 | 0 | 0.0 |
| 2020 Q3 | 3,627 | 1 | 1 | 275.7 |
| 2020 Q2 | 3,242 | 0 | 0 | 0.0 |
| 2020 Q1 | 1,041 | 0 | 0 | 0.0 |
| 2019 Q4 | 2,736 | 0 | 0 | 0.0 |
| 2018 Q4 | 2,754 | 0 | 0 | 0.0 |
| 2018 Q3 | 3,059 | 0 | 0 | 0.0 |
| 2018 Q2 | 3,510 | 0 | 0 | 0.0 |
| 2018 Q1 | 1,955 | 0 | 0 | 0.0 |
| 2017 Q4 | 2,479 | 0 | 0 | 0.0 |
| 2017 Q3 | 2,575 | 0 | 0 | 0.0 |
| 2017 Q2 | 2,542 | 1 | 1 | 393.4 |
| 2017 Q1 | 1,490 | 0 | 0 | 0.0 |
| 2016 Q4 | 2,057 | 0 | 0 | 0.0 |
| 2016 Q3 | 2,185 | 0 | 0 | 0.0 |
| 2016 Q2 | 2,609 | 0 | 0 | 0.0 |
| 2016 Q1 | 1,567 | 0 | 0 | 0.0 |
| 2015 Q4 | 2,028 | 8 | 2 | 3944.8 |
| 2015 Q3 | 1,731 | 0 | 0 | 0.0 |
| 2015 Q2 | 1,943 | 0 | 0 | 0.0 |
| 2015 Q1 | 947 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,956 | 0 | 0 | 0.0 |
| 2014 Q3 | 1,781 | 5 | 2 | 2807.4 |
| 2014 Q2 | 1,654 | 0 | 0 | 0.0 |
| 2014 Q1 | 600 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,446 | 0 | 0 | 0.0 |
| 2013 Q3 | 1,689 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,889 | 0 | 0 | 0.0 |
| 2013 Q1 | 565 | 3 | 0 | 5309.7 |
| 2012 Q4 | 1,465 | 0 | 0 | 0.0 |
| 2012 Q3 | 1,584 | 5 | 2 | 3156.6 |
| 2012 Q2 | 1,812 | 0 | 0 | 0.0 |
| 2012 Q1 | 1,044 | 0 | 0 | 0.0 |
| 2011 Q4 | 1,668 | 0 | 0 | 0.0 |
| 2011 Q3 | 1,645 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,658 | 2 | 0 | 1206.3 |
| 2011 Q1 | 669 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,661 | 0 | 0 | 0.0 |
| 2010 Q3 | 1,947 | 2 | 0 | 1027.2 |
| 2010 Q2 | 1,721 | 0 | 0 | 0.0 |
| 2010 Q1 | 758 | 0 | 0 | 0.0 |
| 2009 Q4 | 1,476 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,906 | 3 | 1 | 1574.0 |
| 2009 Q2 | 1,639 | 0 | 0 | 0.0 |
| 2009 Q1 | 913 | 0 | 0 | 0.0 |
| 2008 Q4 | 1,591 | 0 | 0 | 0.0 |
| 2008 Q3 | 2,358 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,827 | 0 | 0 | 0.0 |
| 2008 Q1 | 1,768 | 0 | 0 | 0.0 |
| 2007 Q4 | 1,730 | 0 | 0 | 0.0 |
| 2007 Q3 | 2,746 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,701 | 0 | 0 | 0.0 |
| 2007 Q1 | 1,597 | 0 | 0 | 0.0 |
| 2006 Q4 | 1,589 | 0 | 0 | 0.0 |
| 2006 Q3 | 1,439 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,917 | 0 | 0 | 0.0 |
| 2006 Q1 | 1,555 | 0 | 0 | 0.0 |
| 2005 Q4 | 1,764 | 0 | 0 | 0.0 |
| 2005 Q3 | 1,717 | 0 | 0 | 0.0 |
| 2005 Q2 | 2,293 | 1 | 0 | 436.1 |
| 2005 Q1 | 1,630 | 0 | 0 | 0.0 |
| 2004 Q4 | 1,981 | 0 | 0 | 0.0 |
| 2004 Q3 | 2,596 | 0 | 0 | 0.0 |
| 2004 Q2 | 2,793 | 0 | 0 | 0.0 |
| 2004 Q1 | 1,685 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,526 | 0 | 0 | 0.0 |
| 2003 Q3 | 1,826 | 0 | 0 | 0.0 |
| 2003 Q2 | 1,843 | 0 | 0 | 0.0 |
| 2003 Q1 | 1,448 | 0 | 0 | 0.0 |
| 2002 Q4 | 1,700 | 7 | 0 | 4117.6 |
| 2002 Q3 | 1,695 | 0 | 0 | 0.0 |
| 2002 Q2 | 1,868 | 0 | 0 | 0.0 |
| 2002 Q1 | 775 | 0 | 0 | 0.0 |
| 2001 Q4 | 2,155 | 2 | 0 | 928.1 |
| 2001 Q3 | 2,198 | 0 | 0 | 0.0 |
| 2001 Q2 | 1,894 | 0 | 0 | 0.0 |
| 2001 Q1 | 818 | 0 | 0 | 0.0 |
| 2000 Q4 | 1,958 | 0 | 0 | 0.0 |
| 2000 Q3 | 2,264 | 0 | 0 | 0.0 |
| 2000 Q2 | 1,378 | 0 | 0 | 0.0 |
| 2000 Q1 | 576 | 0 | 0 | 0.0 |
No reportable incidents on file.
MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.
For insurers, brokers, and safety consultants
The full compliance file on Portable Unit #2
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.