Portable Plant 104 Metal/Non-Metal
Aggregate Resources, Inc.
· Surface
Controlled by
Daniel R Balkema; Ralph T Balkema
Kalamazoo,
Kalamazoo County,
MI
·
Intermittent
MSHA Mine ID: 2003302
Portable Plant 104 has $3K 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 2004
22
citations
5
significant & substantial
$3,134
proposed penalties
$3,134
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2004
27
inspections on record
297
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: 297 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 Plant 104 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
22 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-11-18.
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 | 583 | 1 | 1 | 1715.3 |
| 2025 Q3 | 636 | 0 | 0 | 0.0 |
| 2025 Q2 | 177 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 167 | 0 | 0 | 0.0 |
| 2024 Q3 | 1,049 | 0 | 0 | 0.0 |
| 2024 Q2 | 370 | 0 | 0 | 0.0 |
| 2024 Q1 | 1,253 | 0 | 0 | 0.0 |
Show 76 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 717 | 0 | 0 | 0.0 |
| 2023 Q3 | 519 | 0 | 0 | 0.0 |
| 2023 Q2 | 1,257 | 0 | 0 | 0.0 |
| 2023 Q1 | 1,517 | 1 | 0 | 659.2 |
| 2022 Q4 | 36 | 0 | 0 | 0.0 |
| 2022 Q3 | 824 | 0 | 0 | 0.0 |
| 2022 Q2 | 1,439 | 0 | 0 | 0.0 |
| 2022 Q1 | 1,117 | 2 | 0 | 1790.5 |
| 2021 Q4 | 886 | 0 | 0 | 0.0 |
| 2021 Q3 | 983 | 4 | 1 | 4069.2 |
| 2021 Q2 | 515 | 0 | 0 | 0.0 |
| 2021 Q1 | 2 | 0 | 0 | 0.0 |
| 2020 Q4 | 262 | 0 | 0 | 0.0 |
| 2020 Q3 | 2,109 | 1 | 1 | 474.2 |
| 2020 Q2 | 1,224 | 0 | 0 | 0.0 |
| 2020 Q1 | 2,005 | 0 | 0 | 0.0 |
| 2019 Q4 | 1,313 | 2 | 1 | 1523.2 |
| 2019 Q3 | 2,055 | 0 | 0 | 0.0 |
| 2019 Q2 | 1,036 | 0 | 0 | 0.0 |
| 2019 Q1 | 1,674 | 0 | 0 | 0.0 |
| 2018 Q4 | 1,247 | 2 | 0 | 1603.8 |
| 2018 Q3 | 714 | 0 | 0 | 0.0 |
| 2018 Q2 | 1,131 | 0 | 0 | 0.0 |
| 2018 Q1 | 467 | 0 | 0 | 0.0 |
| 2017 Q4 | 569 | 0 | 0 | 0.0 |
| 2017 Q3 | 683 | 0 | 0 | 0.0 |
| 2017 Q2 | 724 | 0 | 0 | 0.0 |
| 2017 Q1 | 18 | 0 | 0 | 0.0 |
| 2016 Q4 | 12 | 0 | 0 | 0.0 |
| 2016 Q3 | 1,373 | 0 | 0 | 0.0 |
| 2016 Q2 | 3 | 0 | 0 | 0.0 |
| 2016 Q1 | 14 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,695 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,343 | 0 | 0 | 0.0 |
| 2015 Q2 | 2,375 | 1 | 1 | 421.1 |
| 2015 Q1 | 339 | 0 | 0 | 0.0 |
| 2014 Q4 | 0 | 0 | 0 | |
| 2014 Q3 | 0 | 0 | 0 | |
| 2014 Q2 | 0 | 0 | 0 | |
| 2014 Q1 | 0 | 0 | 0 | |
| 2013 Q4 | 0 | 0 | 0 | |
| 2013 Q3 | 0 | 0 | 0 | |
| 2013 Q2 | 0 | 0 | 0 | |
| 2012 Q3 | 0 | 0 | 0 | |
| 2012 Q2 | 0 | 0 | 0 | |
| 2012 Q1 | 0 | 0 | 0 | |
| 2011 Q4 | 377 | 0 | 0 | 0.0 |
| 2011 Q3 | 0 | 0 | 0 | |
| 2011 Q2 | 0 | 0 | 0 | |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q4 | 0 | 0 | 0 | |
| 2010 Q3 | 0 | 0 | 0 | |
| 2010 Q2 | 0 | 0 | 0 | |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 0 | 0 | 0 | |
| 2009 Q3 | 0 | 0 | 0 | |
| 2009 Q2 | 830 | 3 | 0 | 3614.5 |
| 2009 Q1 | 97 | 0 | 0 | 0.0 |
| 2008 Q4 | 33 | 0 | 0 | 0.0 |
| 2008 Q3 | 14 | 0 | 0 | 0.0 |
| 2008 Q2 | 551 | 0 | 0 | 0.0 |
| 2008 Q1 | 210 | 0 | 0 | 0.0 |
| 2007 Q4 | 2,485 | 0 | 0 | 0.0 |
| 2007 Q3 | 2,859 | 0 | 0 | 0.0 |
| 2007 Q2 | 2,989 | 0 | 0 | 0.0 |
| 2007 Q1 | 1,599 | 0 | 0 | 0.0 |
| 2006 Q4 | 1,024 | 4 | 0 | 3906.2 |
| 2006 Q3 | 200 | 0 | 0 | 0.0 |
| 2006 Q2 | 2,451 | 0 | 0 | 0.0 |
| 2006 Q1 | 1,490 | 0 | 0 | 0.0 |
| 2005 Q4 | 0 | 0 | 0 | |
| 2005 Q3 | 2 | 0 | 0 | 0.0 |
| 2005 Q2 | 8 | 0 | 0 | 0.0 |
| 2005 Q1 | 445 | 0 | 0 | 0.0 |
| 2004 Q4 | 3 | 0 | 0 | 0.0 |
| 2004 Q3 | 592 | 1 | 0 | 1689.2 |
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 Plant 104
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.