Operator was cutting open a tube of silicone with a utility knife, knife slipped and cut his leg. Took 6 stitches to close the wound.
Plant #88 Metal/Non-Metal
Controlled by
Mathy Construction Company
Onalaska,
Dunn County,
WI
·
Intermittent
MSHA Mine ID: 4703080
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- Fatalities
- 0
- Total incidents
- 5
- Years on record
- 2000–2014
- Latest incident
- Sep 2014
Compliance record
MSHA citations since 2003
10
citations
1
significant & substantial
$826
proposed penalties
$826
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 | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 605 | 0 | 0 | 0.0 |
| 2025 Q3 | 0 | 0 | 0 | |
| 2025 Q2 | 1,681 | 0 | 0 | 0.0 |
| 2025 Q1 | 0 | 0 | 0 | |
| 2024 Q4 | 1,251 | 0 | 0 | 0.0 |
| 2024 Q3 | 2,264 | 0 | 0 | 0.0 |
| 2024 Q1 | 0 | 0 | 0 | |
| 2023 Q4 | 794 | 0 | 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
5 on file2014 · 1 incident
September 10, 2014
WI · Metal/Non-Metal
laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman
HANDTOOLS (NONPOWERED)
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)
2004 · 1 incident
November 18, 2004
WI · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
POWERED HAULAGE
Milestone Materials Division Mathy Construction · Struck against a moving object
During normal haul truck operation employee experienced upper back strain. The cause is undetermined.
2002 · 1 incident
September 24, 2002
WI · Metal/Non-Metal
bulldozer operator, universal operator, heavy equipment operator, operating engineer
HANDLING OF MATERIALS
Milestone Materials Division Mathy Construction · Over-exertion (Not Elsewhere Classified)
WHILE EXTENDING THE LENGTH AND HOLDING THE DISCHARGE PIPE, WHILE ANOTHER EE BANDED IT. THAT EVENING EE FELT PAIN IN HIS LEFT SIDE. HE SOUGHT MEDICAL TREATMENT ON 9-26-02.
2001 · 1 incident
August 22, 2001
WI · Metal/Non-Metal
warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator
HANDTOOLS (NONPOWERED)
Milestone Materials Division Mathy Construction · Struck by... (Not Elsewhere Classified)
WHILE CUTTING BELTING FOR A CONVEYOR-UTILITY KNIFE SLIPPED AND CUT EE'S LEG REQUIRING MEDICAL SERVICES.
2000 · 1 incident
Milestone Materials Division Mathy Construction · Fall onto or against objects
WHILE STANDING ON THE TIRE WASHING THE WINDSHIELD OF HIS TRUCK HE FELL AGAINST THE TRUCK AND INJURED HIS SHOULDER. ROTATOR CUFF STRAIN.