Portable Plant #1 Metal/Non-Metal

Ambrose Bros Inc · Surface

Controlled by Robert P Ambrose; Robert J Ambrose

Meredith, Belknap County, NH · Intermittent

MSHA Mine ID: 2700334

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Compliance record

MSHA citations since 2000

121

citations

significant & substantial

$24,077

proposed penalties

$21,954

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	1,376	0	0	0.0
2025 Q3	1,998	0	0	0.0
2025 Q2	1,342	0	0	0.0
2025 Q1	202	0	0	0.0
2024 Q4	1,158	0	0	0.0
2024 Q3	1,403	0	0	0.0
2024 Q2	1,919	0	0	0.0
2024 Q1	448	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

December 5, 2017 NH · Metal/Non-Metal rotary bucket excavator operator FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL

Ambrose Bros Inc · Struck by rolling or sliding object

Employee was running excavator digging approx. 100' down slope from rocks. Rocks slid onto and into cab of excavator and landed on employee's legs.