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Plant 78 Metal/Non-Metal

Milestone Materials Division Mathy Construction Co · Surface

Controlled by Mathy Construction Company

Eau Claire, Eau Claire County, WI · Intermittent

MSHA Mine ID: 4703595

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Email me when a new MSHA incident is filed at Plant 78.

Fatalities: 0
Total incidents: 1
Years on record: 2015
Latest incident: Jun 2015

Compliance record

MSHA citations since 2013

citations

significant & substantial

$1,163

proposed penalties

$1,163

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	Per 1M hrs
2025 Q4	4,464	0	0.0
2025 Q2	2,599	0	0.0
2025 Q1	9	0	0.0
2024 Q3	3,582	0	0.0
2024 Q2	2,421	0	0.0
2024 Q1	904	0	0.0
2023 Q4	2,147	3	1397.3
2023 Q3	2,182	0	0.0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

Reportable incidents

1 on file

2015 · 1 incident

June 18, 2015 WI · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS

Milestone Materials Division Mathy Construction Co · Caught in, under or between (Not Elsewhere Classified)

Middle finger got caught/smashed while replacing hydraulic cylinder, resulting in the need for stiches.