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Portable #3 Metal/Non-Metal

Wlliams Diversified Materials, Inc. · Surface

Controlled by Sandra Lee Williams

Picher OK, Ottawa County, OK · Intermittent

MSHA Mine ID: 3401766

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Fatalities: 0
Total incidents: 1
Years on record: 2022
Latest incident: Jun 2022

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Citations	S&S	Per 1M hrs
2025 Q4	1	0	0	0.0
2025 Q3	92	0	0	0.0
2025 Q2	17	0	0	0.0
2025 Q1	1	0	0	0.0
2024 Q4	11	0	0	0.0
2024 Q3	115	0	0	0.0
2024 Q2	60	0	0	0.0
2024 Q1	255	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

1 on file

2022 · 1 incident

June 24, 2022 OK · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS

Wlliams Diversified Materials, Inc. · Fall onto or against objects

Diesel fuel spilled on the portable plant because someone left the handles open. When employee stepped on the rail of the plant, boot slipped on the rail causing them to fall striking the plant rail on right shin.