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Holden Trap Rock: 123 MSHA citations Metal/Non-Metal

Holden Trap Rock · Surface
HOLDEN, Worcester County, MA  ·  Active
MSHA Mine ID: 1900012

Holden Trap Rock has $22K 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
9
Years on record
1989–2015
Latest incident
Sep 2015
Compliance record
MSHA citations since 2000
123
citations
23
significant & substantial
$21,773
proposed penalties
$21,773
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
See Holden Trap Rock's full MSHA compliance history →
Inspection activity
MSHA inspections since 2000
61
inspections on record
910
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: 910 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Holden Trap Rock has $22K 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.
$22K
proposed penalties
$22K
current assessed
$22K
paid to date
$0
outstanding
123 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2026-02-27.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Violation severity profile
ⓘ Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.
18.7%
significant & substantial
2.4%
high negligence or reckless
19.5%
reasonably likely or greater
48.0%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 26.0% low, 71.5% moderate, 2.4% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Health sampling
ⓘ A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.

Metal and nonmetal contaminants (personal samples)
ⓘ Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.

Last sampled: 2023-05-11, 3 years ago
13%
of limit-tested samples over the exposure limit
15
samples
8
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz41 over
  • Respirable dust, <.1mg6
  • Arsenic fumes2
  • Beryllium fumes2
Show the individual readings (39)
Date Contaminant Concentration Limit Conc / limit Occupation
2001-11-08 Quartz, respirable, >1% Qtz 0.75 0.41 1.83 Crusher Oper/Worker
2023-05-11 Respirable dust, <.1mg 0 Crusher Oper/Worker
2023-05-11 Respirable dust, <.1mg 0 Utility Man
2023-05-11 Respirable dust, <.1mg 0 Laborer, Bullgang
2016-02-03 Arsenic fumes 4.5 1500 0.00 Welder, etc.
2016-02-03 Beryllium fumes 0 6 0.00 Welder, etc.
2016-02-03 Cadmium oxide fumes 0 100 0.00 Welder, etc.
2016-02-03 Chromium, insoluble 0 3 0.00 Welder, etc.
2016-02-03 Cobalt fumes 0.5 300 0.00 Welder, etc.
2016-02-03 Copper fumes 2 300 0.01 Welder, etc.
2016-02-03 Iron oxide fumes 1.02 20 0.05 Welder, etc.
2016-02-03 Lead fumes 0 450 0.00 Welder, etc.
2016-02-03 Magnesium oxide fumes 0.07 20 0.00 Welder, etc.
2016-02-03 Manganese fumes 0.31 5 0.06 Welder, etc.
2016-02-03 Nickel fumes 0 3 0.00 Welder, etc.
2016-02-03 Molybdenum fumes 0 20 0.00 Welder, etc.
2016-02-03 Zinc oxide fumes 0.04 10 0.00 Welder, etc.
2016-02-03 Vanadium fumes 0 50 0.00 Welder, etc.
2015-02-11 Nickel fumes 0 3 0.00 Welder, etc.
2015-02-11 Arsenic fumes 0 1500 0.00 Welder, etc.
2015-02-11 Beryllium fumes 0.2 6 0.03 Welder, etc.
2015-02-11 Cadmium oxide fumes 0 100 0.00 Welder, etc.
2015-02-11 Chromium, insoluble 0 3 0.00 Welder, etc.
2015-02-11 Cobalt fumes 1.37 300 0.00 Welder, etc.
2015-02-11 Copper fumes 18.63 300 0.06 Welder, etc.
2015-02-11 Iron oxide fumes 3.16 20 0.16 Welder, etc.
2015-02-11 Lead fumes 0 450 0.00 Welder, etc.
2015-02-11 Magnesium oxide fumes 0.11 20 0.01 Welder, etc.
2015-02-11 Manganese fumes 0.4 5 0.08 Welder, etc.
2015-02-11 Molybdenum fumes 0 20 0.00 Welder, etc.
2015-02-11 Vanadium fumes 0 50 0.00 Welder, etc.
2015-02-11 Zinc oxide fumes 0.04 10 0.00 Welder, etc.
2012-08-08 Quartz, respirable, >1% Qtz 0.4 0.78 0.51 Drill Operator, Rotary
2010-05-19 Respirable dust, <.1mg 0 Crusher Oper/Worker
2010-05-19 Unlisted Particulate, respirable, <1% Qtz 0.13 Front-end Loader Operator
2010-05-19 Respirable dust, <.1mg 0 Front-end Loader Operator
2007-05-09 Quartz, respirable, >1% Qtz 0.17 0.6 0.28 Truck Driver
2002-04-25 Quartz, respirable, >1% Qtz 0.14 0.44 0.32 Crusher Oper/Worker
2001-11-08 Respirable dust, <.1mg 0 Crusher Oper/Worker
Source: MSHA respirable dust, quartz, and noise sampling records, updated weekly. Metal/nonmetal contaminant figures come from MSHA's Personal Health Samples and Area Samples files (public record), updated weekly.

Holden Trap Rock recorded 0.00 reportable injury cases per 100 full-time workers in 2024.

Injury rate, 2024
ⓘ This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.
0.00
total case rate
0.00
days-away rate
0.000
fatality rate
No reportable injury cases in any year shown. Employee-hours were reported in each of those years, so these are true zeros rather than missing data. Citations, listed in the compliance record above, are inspector-found violations and are counted separately from worker injuries.
Below average. The US metal and nonmetal mining average was 1.77 and the all-US-mining average was 2.08 cases per 100 workers.
In Massachusetts, metal and nonmetal mining averaged 1.93 cases per 100 workers that year.
Under 100,000 employee-hours were reported that year, so a single case moves the rate by two or more. Read the figure as approximate.
Year total case rate days-away fatal
2024 * 0.00 0.00 0.000
2023 * 0.00 0.00 0.000
2022 * 0.00 0.00 0.000
2021 * 0.00 0.00 0.000
2020 * 0.00 0.00 0.000
2019 * 0.00 0.00 0.000
2018 * 0.00 0.00 0.000
2017 * 0.00 0.00 0.000
* Fewer than 100,000 employee-hours that year; the rate is less stable.
Source: injury cases from MSHA accident and injury records; employee-hours from MSHA quarterly employment reports. Rate is cases per 100 full-time-equivalent workers, operator employees only.
Ownership history
  1. Holden Trap Rock 1950 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 10
2025 11
2024 12
2023 12
2022 12
2021 11
2020 11
2019 13
2018 13
2017 12
2016 12
2015 12
2014 9
2013 12
2012 12
2011 9
2010 9
2009 9
2008 10
2007 11
2006 11
2005 11
2004 9
2003 9
2002 11
2001 12
2000 11
Source: MSHA quarterly employment and production, updated weekly.

Holden Trap Rock sits in Worcester County, Massachusetts, where the Census mining category is 0.0% of county employment.

Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Worcester County, Massachusetts · Population 861,664
0.0%
Mining share of county employment
$93,561
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
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
2026 Q2 4,626 0 0 0.0
2026 Q1 4,561 1 0 219.3
2025 Q4 5,140 0 0 0.0
2025 Q3 4,997 0 0 0.0
2025 Q2 4,985 0 0 0.0
2025 Q1 4,675 0 0 0.0
2024 Q4 5,219 0 0 0.0
2024 Q3 5,868 0 0 0.0
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 5,701 0 0 0.0
2024 Q1 5,561 0 0 0.0
2023 Q4 5,862 0 0 0.0
2023 Q3 6,203 0 0 0.0
2023 Q2 5,677 0 0 0.0
2023 Q1 4,956 0 0 0.0
2022 Q4 5,874 0 0 0.0
2022 Q3 6,172 0 0 0.0
2022 Q2 6,084 1 0 164.4
2022 Q1 4,769 0 0 0.0
2021 Q4 5,373 0 0 0.0
2021 Q3 6,418 5 0 779.1
2021 Q2 5,831 0 0 0.0
2021 Q1 4,097 0 0 0.0
2020 Q4 6,571 0 0 0.0
2020 Q3 6,073 3 1 494.0
2020 Q2 5,784 0 0 0.0
2020 Q1 3,239 1 0 308.7
2019 Q4 5,552 0 0 0.0
2019 Q3 6,356 0 0 0.0
2019 Q2 5,891 1 0 169.8
2019 Q1 4,612 1 0 216.8
2018 Q4 6,110 0 0 0.0
2018 Q3 6,522 1 0 153.3
2018 Q2 6,037 0 0 0.0
2018 Q1 3,770 3 1 795.8
2017 Q4 5,234 0 0 0.0
2017 Q3 6,188 1 0 161.6
2017 Q2 5,926 0 0 0.0
2017 Q1 3,465 1 0 288.6
2016 Q4 4,694 0 0 0.0
2016 Q3 6,663 1 0 150.1
2016 Q2 6,641 0 0 0.0
2016 Q1 4,248 2 1 470.8
2015 Q4 6,301 0 0 0.0
2015 Q3 7,988 3 1 375.6
2015 Q2 6,468 0 0 0.0
2015 Q1 2,482 1 0 402.9
2014 Q4 5,350 0 0 0.0
2014 Q3 6,433 0 0 0.0
2014 Q2 5,776 2 0 346.3
2014 Q1 2,199 1 0 454.8
2013 Q4 5,211 1 0 191.9
2013 Q3 6,541 0 0 0.0
2013 Q2 5,785 11 0 1901.5
2013 Q1 2,795 4 2 1431.1
2012 Q4 6,447 0 0 0.0
2012 Q3 7,365 8 1 1086.2
2012 Q2 7,100 0 0 0.0
2012 Q1 2,773 5 2 1803.1
2011 Q4 6,609 0 0 0.0
2011 Q3 6,674 0 0 0.0
2011 Q2 5,439 0 0 0.0
2011 Q1 2,306 11 4 4770.2
2010 Q4 5,220 0 0 0.0
2010 Q3 7,057 0 0 0.0
2010 Q2 4,138 2 1 483.3
2010 Q1 2,596 0 0 0.0
2009 Q4 5,001 0 0 0.0
2009 Q3 5,853 0 0 0.0
2009 Q2 3,553 0 0 0.0
2009 Q1 2,299 4 0 1739.9
2008 Q4 5,023 0 0 0.0
2008 Q3 6,519 0 0 0.0
2008 Q2 4,115 4 0 972.1
2008 Q1 2,823 0 0 0.0
2007 Q4 5,652 0 0 0.0
2007 Q3 5,943 0 0 0.0
2007 Q2 5,347 2 1 374.0
2007 Q1 2,758 0 0 0.0
2006 Q4 5,801 0 0 0.0
2006 Q3 6,939 2 0 288.2
2006 Q2 5,941 0 0 0.0
2006 Q1 2,774 0 0 0.0
2005 Q4 6,060 0 0 0.0
2005 Q3 8,135 4 1 491.7
2005 Q2 6,754 0 0 0.0
2005 Q1 2,295 0 0 0.0
2004 Q4 5,823 0 0 0.0
2004 Q3 7,414 0 0 0.0
2004 Q2 5,759 0 0 0.0
2004 Q1 2,312 0 0 0.0
2003 Q4 6,759 4 1 591.8
2003 Q3 6,384 0 0 0.0
2003 Q2 5,207 0 0 0.0
2003 Q1 3,070 0 0 0.0
2002 Q4 6,040 0 0 0.0
2002 Q3 7,583 0 0 0.0
2002 Q2 7,139 0 0 0.0
2002 Q1 3,882 0 0 0.0
2001 Q4 5,796 4 1 690.1
2001 Q3 8,764 0 0 0.0
2001 Q2 8,513 5 1 587.3
2001 Q1 3,209 0 0 0.0
2000 Q4 5,514 0 0 0.0
2000 Q3 7,369 0 0 0.0
2000 Q2 6,139 14 2 2280.5
2000 Q1 2,997 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

9 on file

2015 · 1 incident

September 16, 2015 MA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Holden Trap Rock · Struck by... (Not Elsewhere Classified)

Assembling an excavator. Chair hooked to counterweight to set it up in order to hook it up in place on excavator. Chair not hooked properly, not secured. Chain came loose and hit employee in the mouth.

2014 · 1 incident

October 16, 2014 MA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Holden Trap Rock · Fall onto or against objects

Employee was climbing into his truck at end of shift. It was during a period of heavy down pours. The drivers boots were muddy. The driver stated he "missed a step" and scraped his leg. His recovery has been delayed due to the employee being on blood thinning medication & having diabetes.

2008 · 1 incident

April 19, 2008 MA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Holden Trap Rock · Struck by falling object

EMPLOYEE WAS DRILLING HOLES IN ANGLE IRON. WHEN HE RELEASED ANGLE FROM CLAMP, THE ANGLE IRON FELL ON RIGHT FOOT. HE WAS WEARING STEEL TOED BOOTS BUT HURT HIS RIGHT TOE. HE DID NOT REPORT THE INJURY AT THAT TIME. HE REPORTED IT ON MAY 1, 2008 WHEN IT APPARENTLY GOT INFECTED. HE HAS DIABETES AND HAD HIS RIGHT TOE AMPUTATED ON MAY 6, 2008. HE HAS NOT RETURNED TO WORK AS YET.

2007 · 1 incident

May 2, 2007 MA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Holden Trap Rock · Fall from scaffolds, walkways, platforms

Employee was on an 8 X 24 screened platform. He jumped off the platform hurting his right knee. The jump was approx 2 ft. There was a ladder provided for all to use.

1991 · 1 incident

April 9, 1991 MA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Holden Trap Rock · Struck by... (Not Elsewhere Classified)

USING SAW METAL CHIP IN EYE

1990 · 2 incidents

September 7, 1990 MA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Holden Trap Rock · Over-exertion in lifting objects

EMPLOYEE WAS IN THE REPAIR SHOP FABRICATING A CHUTE. HE STOOPED TO PICK UP A PORTABLE GRINDER FROM THE FLOOR AND FELT A PAIN IN HIS BACK. THIS IS AN AGGREVATION OF A BACK CONDITION THAT PREVIO USLY EXISTED.

March 28, 1990 MA · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
Holden Trap Rock · Fall from scaffolds, walkways, platforms

PERFORM REPAIR, MINER CARRYIN TOOLS SLIPPED FELL DOWN FROM PLATFORM IN CHUTE CAUSING INJ TO R HIP AREA

1989 · 2 incidents

September 23, 1989 MA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDTOOLS (NONPOWERED)
Holden Trap Rock · Fall onto or against objects

EMPLOYEE WAS TIGHTENTING BOLTS ON THE FRONT END LOADER. THE WRENCH SLIPPED FROM THE CAPSCREW CAUSING HIM TO LOSE HIS BALANCE. AREA ABOVE HIS LEFT EYE HIT A METAL PART OF THE LOADER, RESULTIN G IN A LACERATION.

August 10, 1989 MA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Holden Trap Rock · Caught in, under or between a moving and a stationary object

A 2 TON ELECTRIC CABLE HOIST WITH A HOOK IS SUSPNDED OVER THE PRIMARY CRUSHER.THE CRUSHER OPERATOR ATTEMPTED TO RE-POSITION A LARGE ROCK WHILE HOLDING ONTO THE HOOK.THE HOOK SLIPPED OFF THE RO CK AND CRUSHED THE INDEX AND MIDDLE FINGERS OF THE RIGHT HAND BETWEEN THE HOOK AND STEEL RAILING.INDEX FINGER WAS CUT,MIDDLE FINGER RECEIVED A FRACTURE AND ABRASIONS.