PIONEER CRUSHER #1 Metal/Non-Metal

STEELSTONE INDUSTRIES INC. · Surface

Controlled by Alton B McQuade; Graden G Tidd

Houlton, Aroostook County, ME · Intermittent

MSHA Mine ID: 1700826

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Compliance record

MSHA citations since 2008

citations

significant & substantial

$2,135

proposed penalties

$2,135

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	1,164	0	0	0.0
2025 Q3	1,282	0	0	0.0
2025 Q2	641	0	0	0.0
2025 Q1	12	0	0	0.0
2024 Q4	1,319	0	0	0.0
2024 Q3	1,755	0	0	0.0
2024 Q2	1,155	0	0	0.0
2024 Q1	1	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.

1 on file

October 24, 2011 ME · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY

Steelstone Industries Inc. · Struck by flying object

Employee was using an air gun to loosen bolts on the crushing plant and the air gun blew dirt into his right eye.