Portable Crusher #1 Metal/Non-Metal
Cantera Aggregates,LLC
· Surface
Controlled by
Joshua Corey Kratofil
Plano,
Appanoose County,
IA
·
Active
MSHA Mine ID: 1302435
Portable Crusher #1 has $59K in proposed MSHA penalties and $3K outstanding across 1 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 2012
151
citations
30
significant & substantial
$58,629
proposed penalties
$56,055
paid to date
96% of proposed penalties paid to date, a $2,574 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2012
37
inspections on record
637
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: 637 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 Crusher #1 has $59K in proposed MSHA penalties and $3K outstanding across 1 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.$59K
proposed penalties
$59K
current assessed
$56K
paid to date
$3K
outstanding
149 assessments are final orders; 1 contested dockets.
As of the most recent assessment on 2025-12-15.
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 | 6,725 | 1 | 0 | 148.7 |
| 2025 Q3 | 8,363 | 0 | 0 | 0.0 |
| 2025 Q2 | 7,354 | 7 | 0 | 951.9 |
| 2025 Q1 | 5,198 | 8 | 1 | 1539.1 |
| 2024 Q4 | 8,884 | 0 | 0 | 0.0 |
| 2024 Q3 | 9,199 | 0 | 0 | 0.0 |
| 2024 Q2 | 10,440 | 8 | 2 | 766.3 |
| 2024 Q1 | 7,546 | 0 | 0 | 0.0 |
Show 46 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 10,313 | 6 | 1 | 581.8 |
| 2023 Q3 | 16,757 | 7 | 0 | 417.7 |
| 2023 Q2 | 20,030 | 0 | 0 | 0.0 |
| 2023 Q1 | 16,953 | 0 | 0 | 0.0 |
| 2022 Q4 | 12,749 | 3 | 0 | 235.3 |
| 2022 Q3 | 11,047 | 0 | 0 | 0.0 |
| 2022 Q2 | 10,663 | 2 | 0 | 187.6 |
| 2022 Q1 | 7,941 | 0 | 0 | 0.0 |
| 2021 Q4 | 11,133 | 4 | 0 | 359.3 |
| 2021 Q3 | 12,320 | 0 | 0 | 0.0 |
| 2021 Q2 | 11,278 | 4 | 1 | 354.7 |
| 2021 Q1 | 6,288 | 1 | 0 | 159.0 |
| 2020 Q4 | 10,509 | 0 | 0 | 0.0 |
| 2020 Q3 | 9,035 | 0 | 0 | 0.0 |
| 2020 Q2 | 6,648 | 0 | 0 | 0.0 |
| 2020 Q1 | 5,283 | 7 | 3 | 1325.0 |
| 2019 Q4 | 9,789 | 18 | 8 | 1838.8 |
| 2019 Q3 | 7,369 | 0 | 0 | 0.0 |
| 2019 Q2 | 5,559 | 4 | 0 | 719.6 |
| 2019 Q1 | 4,205 | 14 | 2 | 3329.4 |
| 2018 Q4 | 8,813 | 0 | 0 | 0.0 |
| 2018 Q3 | 7,124 | 8 | 3 | 1123.0 |
| 2018 Q2 | 6,289 | 0 | 0 | 0.0 |
| 2018 Q1 | 6,289 | 9 | 3 | 1431.1 |
| 2017 Q4 | 5,634 | 0 | 0 | 0.0 |
| 2017 Q3 | 5,493 | 2 | 0 | 364.1 |
| 2017 Q2 | 4,838 | 0 | 0 | 0.0 |
| 2017 Q1 | 4,575 | 3 | 0 | 655.7 |
| 2016 Q4 | 4,837 | 0 | 0 | 0.0 |
| 2016 Q3 | 5,120 | 0 | 0 | 0.0 |
| 2016 Q2 | 4,475 | 0 | 0 | 0.0 |
| 2016 Q1 | 4,341 | 5 | 0 | 1151.8 |
| 2015 Q4 | 3,741 | 2 | 0 | 534.6 |
| 2015 Q3 | 4,705 | 0 | 0 | 0.0 |
| 2015 Q2 | 5,198 | 1 | 0 | 192.4 |
| 2015 Q1 | 3,155 | 4 | 0 | 1267.8 |
| 2014 Q4 | 4,051 | 0 | 0 | 0.0 |
| 2014 Q3 | 6,322 | 0 | 0 | 0.0 |
| 2014 Q2 | 5,632 | 0 | 0 | 0.0 |
| 2014 Q1 | 4,156 | 5 | 1 | 1203.1 |
| 2013 Q4 | 3,710 | 0 | 0 | 0.0 |
| 2013 Q3 | 4,912 | 2 | 0 | 407.2 |
| 2013 Q2 | 2,018 | 0 | 0 | 0.0 |
| 2013 Q1 | 2,642 | 12 | 4 | 4542.0 |
| 2012 Q4 | 5,198 | 0 | 0 | 0.0 |
| 2012 Q3 | 4,935 | 4 | 1 | 810.5 |
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 Crusher #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.