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NORTHBORO PLANT Metal/Non-Metal

Kimball Sand Company Inc · Surface

Controlled by Scott Kimball; Wayne Kimball

Mendon, Worcester County, MA · Active

MSHA Mine ID: 1901072

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Fatalities: 0
Total incidents: 2
Years on record: 2012–2022
Latest incident: Nov 2022

Compliance record

MSHA citations since 2000

100

citations

significant & substantial

$17,097

proposed penalties

$16,890

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	5,537	0	0.0
2025 Q3	5,137	0	0.0
2025 Q2	6,585	4	607.4
2025 Q1	5,411	2	369.6
2024 Q4	5,081	0	0.0
2024 Q3	4,535	0	0.0
2024 Q2	4,863	0	0.0
2024 Q1	4,118	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

2 on file

2022 · 1 incident

November 14, 2022 MA · Metal/Non-Metal drill operator HANDLING OF MATERIALS

Kimball Sand Company Inc · Over-exertion in lifting objects

Drill steel dropped down from grippers on to drill deck; employee lifted drill steel from deck and felt pain in right bicep. The right bicep bruised and swelled, felt weak after incident.

2012 · 1 incident

May 1, 2012 MA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE

Kimball Sand Company Inc · Struck by... (Not Elsewhere Classified)

(Injured) operating a Cat 769C. while being loaded in quarry, a Cat 345B with a NPK GH-18 hammer approximately 60 feet away was breaking oversize rock. a piece of fly rock from the GH-18 broke the drivers side glass on the 769C. (operator of 769C) got a piece of glass in left eye.