Plant 52 Metal/Non-Metal
Milestone Materials
· Surface
Controlled by
Mathy Construction Company
Neillsville, WI,
Clark County,
WI
·
Intermittent
MSHA Mine ID: 4700903
Plant 52 has $23K in proposed MSHA penalties and $0 outstanding across 3 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 2000
96
citations
32
significant & substantial
$23,338
proposed penalties
$23,338
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
43
inspections on record
441
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: 441 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Plant 52 has $23K in proposed MSHA penalties and $0 outstanding across 3 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.$23K
proposed penalties
$23K
current assessed
$23K
paid to date
$0
outstanding
93 assessments are final orders; 3 contested dockets.
As of the most recent assessment on 2021-07-20.
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 |
|---|---|---|---|---|
| 2023 Q3 | 409 | 0 | 0 | 0.0 |
| 2023 Q1 | 1 | 0 | 0 | 0.0 |
| 2022 Q4 | 91 | 0 | 0 | 0.0 |
| 2022 Q1 | 1 | 0 | 0 | 0.0 |
| 2021 Q3 | 351 | 6 | 5 | 17094.0 |
| 2021 Q2 | 406 | 4 | 0 | 9852.2 |
| 2021 Q1 | 0 | 0 | 0 | |
| 2020 Q4 | 159 | 0 | 0 | 0.0 |
Show 68 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2020 Q3 | 1,171 | 0 | 0 | 0.0 |
| 2020 Q2 | 1,551 | 0 | 0 | 0.0 |
| 2020 Q1 | 1 | 0 | 0 | 0.0 |
| 2019 Q4 | 21 | 1 | 0 | 47619.0 |
| 2019 Q3 | 1,981 | 0 | 0 | 0.0 |
| 2019 Q2 | 906 | 0 | 0 | 0.0 |
| 2019 Q1 | 0 | 0 | 0 | |
| 2018 Q4 | 3,681 | 0 | 0 | 0.0 |
| 2018 Q3 | 2,551 | 1 | 0 | 392.0 |
| 2018 Q2 | 936 | 0 | 0 | 0.0 |
| 2018 Q1 | 46 | 0 | 0 | 0.0 |
| 2017 Q4 | 1,401 | 0 | 0 | 0.0 |
| 2017 Q3 | 1,301 | 5 | 1 | 3843.2 |
| 2017 Q2 | 580 | 0 | 0 | 0.0 |
| 2016 Q4 | 421 | 0 | 0 | 0.0 |
| 2016 Q2 | 603 | 11 | 3 | 18242.1 |
| 2016 Q1 | 1 | 0 | 0 | 0.0 |
| 2015 Q4 | 801 | 0 | 0 | 0.0 |
| 2015 Q3 | 581 | 19 | 13 | 32702.2 |
| 2015 Q2 | 741 | 0 | 0 | 0.0 |
| 2015 Q1 | 75 | 0 | 0 | 0.0 |
| 2014 Q4 | 525 | 0 | 0 | 0.0 |
| 2014 Q3 | 602 | 0 | 0 | 0.0 |
| 2014 Q2 | 491 | 0 | 0 | 0.0 |
| 2014 Q1 | 1 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,500 | 0 | 0 | 0.0 |
| 2013 Q3 | 547 | 1 | 0 | 1828.2 |
| 2013 Q2 | 540 | 0 | 0 | 0.0 |
| 2013 Q1 | 1 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,681 | 0 | 0 | 0.0 |
| 2012 Q3 | 746 | 0 | 0 | 0.0 |
| 2012 Q2 | 461 | 1 | 0 | 2169.2 |
| 2012 Q1 | 1 | 0 | 0 | 0.0 |
| 2011 Q4 | 2,201 | 0 | 0 | 0.0 |
| 2011 Q3 | 2,734 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,896 | 1 | 0 | 527.4 |
| 2011 Q1 | 1 | 0 | 0 | 0.0 |
| 2010 Q4 | 1,940 | 0 | 0 | 0.0 |
| 2010 Q3 | 2,651 | 0 | 0 | 0.0 |
| 2010 Q2 | 2,301 | 0 | 0 | 0.0 |
| 2010 Q1 | 0 | 0 | 0 | |
| 2009 Q4 | 1,852 | 0 | 0 | 0.0 |
| 2009 Q3 | 2,415 | 3 | 0 | 1242.2 |
| 2009 Q2 | 2,808 | 0 | 0 | 0.0 |
| 2008 Q1 | 1 | 0 | 0 | 0.0 |
| 2007 Q4 | 287 | 4 | 0 | 13937.3 |
| 2007 Q3 | 1,444 | 0 | 0 | 0.0 |
| 2007 Q2 | 3,314 | 0 | 0 | 0.0 |
| 2006 Q1 | 1 | 0 | 0 | 0.0 |
| 2005 Q1 | 0 | 0 | 0 | |
| 2004 Q4 | 462 | 0 | 0 | 0.0 |
| 2004 Q3 | 3,188 | 0 | 0 | 0.0 |
| 2004 Q2 | 3,070 | 0 | 0 | 0.0 |
| 2004 Q1 | 0 | 0 | 0 | |
| 2003 Q4 | 2,243 | 0 | 0 | 0.0 |
| 2003 Q3 | 3,467 | 0 | 0 | 0.0 |
| 2003 Q2 | 2,467 | 16 | 5 | 6485.6 |
| 2003 Q1 | 0 | 0 | 0 | |
| 2002 Q4 | 2,000 | 0 | 0 | 0.0 |
| 2002 Q3 | 3,600 | 0 | 0 | 0.0 |
| 2002 Q2 | 3,680 | 5 | 2 | 1358.7 |
| 2002 Q1 | 120 | 0 | 0 | 0.0 |
| 2001 Q4 | 600 | 0 | 0 | 0.0 |
| 2001 Q2 | 2,400 | 12 | 3 | 5000.0 |
| 2001 Q1 | 0 | 0 | 0 | |
| 2000 Q3 | 2,400 | 1 | 0 | 416.7 |
| 2000 Q2 | 700 | 4 | 0 | 5714.3 |
| 2000 Q1 | 100 | 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 Plant 52
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.