Mining Incidents

River Rock Materials Metal/Non-Metal

BRS Inc · Surface
Controlled by Joseph A Arruda
Middleboro, Plymouth County, MA  ·  Abandoned
MSHA Mine ID: 1901257

River Rock Materials has $1K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2015
11
citations
2
significant & substantial
$1,470
proposed penalties
$1,470
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2015
4
inspections on record
47
inspection hours
n/a
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 47 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

River Rock Materials has $1K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$1K
proposed penalties
$1K
current assessed
$1K
paid to date
$0
outstanding
11 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2017-11-27.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2017 Q4 70 2 0 28571.4
2017 Q3 86 0 0 0.0
2017 Q2 80 3 0 37500.0
2017 Q1 80 0 0 0.0
2016 Q4 320 0 0 0.0
2016 Q3 460 0 0 0.0
2016 Q2 420 0 0 0.0
2016 Q1 560 0 0 0.0
Show 1 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2015 Q4 250 6 2 24000.0

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.

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The full compliance file on River Rock Materials

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.