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Mason Quarry Metal/Non-Metal

Controlled by Donald Conte
Mason, Hillsborough County, NH  ·  Intermittent
MSHA Mine ID: 2700151

Mason Quarry has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Email me when a new MSHA incident is filed at Mason Quarry.

Fatalities
0
Total incidents
5
Years on record
1986–1989
Latest incident
Jun 1989
Compliance record
MSHA citations since 2001
20
citations
2
significant & substantial
$1,940
proposed penalties
$1,940
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
20
inspections on record
237
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: 237 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Mason Quarry has $2K 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.
$2K
proposed penalties
$2K
current assessed
$2K
paid to date
$0
outstanding
19 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-08-26.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
See also the operator's enforcement record
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
2025 Q4 976 0 0 0.0
2025 Q3 1,615 2 0 1238.4
2025 Q2 470 0 0 0.0
2024 Q2 10 0 0 0.0
2023 Q4 5 0 0 0.0
2023 Q3 160 0 0 0.0
2023 Q2 10 0 0 0.0
2022 Q4 4 0 0 0.0
Show 83 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2022 Q3 5 0 0 0.0
2022 Q2 15 0 0 0.0
2022 Q1 5 0 0 0.0
2021 Q4 5 0 0 0.0
2021 Q3 5 0 0 0.0
2021 Q2 2 0 0 0.0
2021 Q1 2 0 0 0.0
2020 Q4 2 0 0 0.0
2020 Q3 1,950 0 0 0.0
2020 Q2 690 0 0 0.0
2020 Q1 3,200 3 0 937.5
2019 Q4 8 0 0 0.0
2019 Q3 16 0 0 0.0
2019 Q2 24 0 0 0.0
2019 Q1 18 0 0 0.0
2018 Q4 30 0 0 0.0
2018 Q3 50 0 0 0.0
2018 Q2 12 0 0 0.0
2018 Q1 3 0 0 0.0
2017 Q4 20 0 0 0.0
2017 Q3 3 0 0 0.0
2017 Q2 0 0 0
2017 Q1 0 0 0
2016 Q4 0 0 0
2016 Q3 1,219 0 0 0.0
2016 Q2 1,220 0 0 0.0
2016 Q1 0 0 0
2015 Q4 0 0 0
2015 Q3 9 0 0 0.0
2015 Q2 1 0 0 0.0
2015 Q1 1 0 0 0.0
2014 Q4 60 0 0 0.0
2014 Q3 31 0 0 0.0
2014 Q2 0 0 0
2014 Q1 0 0 0
2013 Q4 0 0 0
2013 Q3 0 0 0
2013 Q2 1,189 0 0 0.0
2013 Q1 2,131 0 0 0.0
2012 Q4 1,462 0 0 0.0
2012 Q3 0 2 0
2011 Q4 1,140 0 0 0.0
2011 Q3 1,505 2 1 1328.9
2010 Q3 0 0 0
2010 Q1 0 0 0
2009 Q4 2,273 1 0 439.9
2009 Q1 0 0 0
2008 Q4 0 0 0
2008 Q3 0 0 0
2008 Q2 32 0 0 0.0
2008 Q1 900 1 0 1111.1
2007 Q4 1,523 0 0 0.0
2007 Q3 0 0 0
2007 Q2 0 0 0
2007 Q1 318 0 0 0.0
2006 Q4 458 0 0 0.0
2006 Q3 2,250 0 0 0.0
2006 Q2 2,974 0 0 0.0
2006 Q1 2,540 2 0 787.4
2005 Q4 2,621 0 0 0.0
2005 Q3 0 0 0
2005 Q2 2,701 1 1 370.2
2005 Q1 2,642 0 0 0.0
2004 Q4 629 0 0 0.0
2004 Q3 1,024 0 0 0.0
2004 Q2 2,990 0 0 0.0
2004 Q1 2,822 0 0 0.0
2003 Q4 3,252 2 0 615.0
2003 Q3 3,528 0 0 0.0
2003 Q2 3,483 0 0 0.0
2003 Q1 3,457 0 0 0.0
2002 Q4 1,296 0 0 0.0
2002 Q3 888 0 0 0.0
2002 Q2 1,283 0 0 0.0
2002 Q1 3,272 0 0 0.0
2001 Q4 3,564 4 0 1122.3
2001 Q3 946 0 0 0.0
2001 Q2 3,280 0 0 0.0
2001 Q1 2,948 0 0 0.0
2000 Q4 2,593 0 0 0.0
2000 Q3 1,920 0 0 0.0
2000 Q2 2,331 0 0 0.0
2000 Q1 3,375 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

5 on file

1989 · 1 incident

June 9, 1989 NH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Fletcher Granite Company Inc · Caught in, under or between (Not Elsewhere Classified)

THE INJURED PINCHED HIS THUMB IN THE STIFF LEG OF THE WIRE SAW OUTRIGGER.

1986 · 4 incidents

March 29, 1986 NH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Fletcher Granite Company Inc · Struck by falling object

MECHANIC WAS DO3NG ROUTINE SERVICE ON CRANE WAS UNDERNEATH CRANE LOOKED UP GOT DIRT IN EYE.

March 17, 1986 NH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman DISORDERS (REPEATED TRAUMA)
Fletcher Granite Company Inc · Over-exertion (Not Elsewhere Classified)

BECAUSE OF FREQ6ENT USE OF PNEUMATIC HAND DRILL

March 4, 1986 NH · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Fletcher Granite Company Inc · Fall to the walkway or working surface

WORKER WAS SPLI7TING STONE FROM WORK BOX,SWING SLEDGE MISSED WEDGE LOST HIS STANCE STEP DOWN FIRMLY TO REGAIN POSTURE & TWISTED FOOT.

February 26, 1986 NH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Fletcher Granite Company Inc · Struck against stationary object

MECHANIC WORKIN1 UNDER VECHILE BANGED HEAD ON PROJECTING BOLT. REQUIRED SUSTURES.

For insurers, brokers, and safety consultants

The full compliance file on Mason Quarry

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.

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