Mining Incidents

AAA Valley Gravel / Trunk road mine: 60 MSHA citations Metal/Non-Metal

AAA Valley Gravel · Surface
Controlled by Ahtna Inc
Palmer, Matanuska-Susitna County, AK  ·  Intermittent
MSHA Mine ID: 5001501

AAA Valley Gravel / Trunk road mine has $9K 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
7
Years on record
1995–2015
Latest incident
Sep 2015
Compliance record
MSHA citations since 2000
60
citations
22
significant & substantial
$8,721
proposed penalties
$8,721
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
34
inspections on record
420
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: 420 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

AAA Valley Gravel / Trunk road mine has $9K 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.
$9K
proposed penalties
$9K
current assessed
$9K
paid to date
$0
outstanding
60 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2024-06-21.
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.
36.7%
significant & substantial
3.3%
high negligence or reckless
36.7%
reasonably likely or greater
63.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 8.3% low, 88.3% moderate, 3.3% 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: 2025-09-16
25%
of limit-tested samples over the exposure limit
9
samples
4
limit-tested
Most sampled contaminants
  • Quartz, respirable, >1% Qtz41 over
  • Respirable dust, <.1mg5
Show the individual readings (9)
Date Contaminant Concentration Limit Conc / limit Occupation
2001-06-07 Quartz, respirable, >1% Qtz 0.59 0.55 1.07 Front-end Loader Operator
2025-09-16 Respirable dust, <.1mg 0 Front-end Loader Operator
2025-09-16 Respirable dust, <.1mg 0 Front-end Loader Operator
2009-05-07 Quartz, respirable, >1% Qtz 0.14 0.84 0.17 Washer Operator
2009-05-07 Quartz, respirable, >1% Qtz 0.2 0.81 0.25 Crusher Oper/Worker
2006-04-27 Respirable dust, <.1mg 0 Front-end Loader Operator
2006-04-27 Quartz, respirable, >1% Qtz 0.24 1.23 0.20 Crusher Oper/Worker
2006-04-27 Respirable dust, <.1mg 0 Crusher Oper/Worker
2001-06-07 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.
Ownership history
  1. AAA Valley Gravel 1986 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 4
2025 4
2024 7
2023 8
2022 8
2021 5
2020 6
2019 3
2018 5
2017 7
2016 9
2015 9
2014 10
2013 10
2012 8
2011 9
2010 9
2009 8
2008 9
2007 9
2006 9
2005 9
2004 9
2003 6
2002 5
2001 6
2000 5
Source: MSHA quarterly employment and production, updated weekly.

AAA Valley Gravel / Trunk road mine sits in Matanuska-Susitna Borough, Alaska, where the Census mining category is 3.1% 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.
Matanuska-Susitna Borough, Alaska · Population 110,677
3.1%
Mining share of county employment
$90,625
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 737 0 0 0.0
2026 Q1 0 0 0
2025 Q4 819 0 0 0.0
2025 Q3 1,788 0 0 0.0
2025 Q2 1,584 0 0 0.0
2025 Q1 0 0 0
2024 Q4 892 0 0 0.0
2024 Q3 3,529 0 0 0.0
Show 98 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 2,019 1 0 495.3
2024 Q1 0 0 0
2023 Q4 885 0 0 0.0
2023 Q3 2,471 0 0 0.0
2023 Q2 2,278 1 0 439.0
2023 Q1 0 0 0
2022 Q4 1,773 0 0 0.0
2022 Q3 3,079 0 0 0.0
2022 Q2 2,550 8 1 3137.3
2022 Q1 0 0 0
2021 Q4 0 0 0
2021 Q3 1,222 0 0 0.0
2021 Q2 1,469 0 0 0.0
2021 Q1 0 0 0
2020 Q4 1,735 0 0 0.0
2020 Q3 5,510 2 0 363.0
2020 Q2 2,246 0 0 0.0
2020 Q1 0 0 0
2019 Q4 194 0 0 0.0
2019 Q3 1,086 0 0 0.0
2019 Q2 1,549 1 0 645.6
2019 Q1 0 0 0
2018 Q4 853 0 0 0.0
2018 Q3 993 0 0 0.0
2018 Q2 2,558 0 0 0.0
2018 Q1 0 0 0
2017 Q4 678 4 3 5899.7
2017 Q3 4,351 0 0 0.0
2017 Q2 4,210 0 0 0.0
2017 Q1 504 0 0 0.0
2016 Q4 1,703 0 0 0.0
2016 Q3 5,856 0 0 0.0
2016 Q2 4,077 0 0 0.0
2016 Q1 1,945 0 0 0.0
2015 Q4 3,017 0 0 0.0
2015 Q3 6,158 5 1 812.0
2015 Q2 4,190 0 0 0.0
2015 Q1 1,208 0 0 0.0
2014 Q4 2,346 0 0 0.0
2014 Q3 6,715 0 0 0.0
2014 Q2 4,958 2 0 403.4
2014 Q1 1,514 0 0 0.0
2013 Q4 2,716 0 0 0.0
2013 Q3 4,993 1 0 200.3
2013 Q2 3,709 0 0 0.0
2013 Q1 1,338 0 0 0.0
2012 Q4 2,120 0 0 0.0
2012 Q3 4,845 12 5 2476.8
2012 Q2 4,464 0 0 0.0
2012 Q1 1,324 0 0 0.0
2011 Q4 1,975 0 0 0.0
2011 Q3 5,734 0 0 0.0
2011 Q2 3,986 0 0 0.0
2011 Q1 1,407 0 0 0.0
2010 Q4 1,994 0 0 0.0
2010 Q3 6,900 0 0 0.0
2010 Q2 6,213 0 0 0.0
2010 Q1 1,495 0 0 0.0
2009 Q4 2,746 0 0 0.0
2009 Q3 7,146 7 6 979.6
2009 Q2 5,136 0 0 0.0
2009 Q1 1,286 0 0 0.0
2008 Q4 1,649 0 0 0.0
2008 Q3 6,046 0 0 0.0
2008 Q2 5,616 5 4 890.3
2008 Q1 1,415 0 0 0.0
2007 Q4 4,045 0 0 0.0
2007 Q3 6,214 0 0 0.0
2007 Q2 5,942 0 0 0.0
2007 Q1 0 0 0
2006 Q4 4,862 0 0 0.0
2006 Q3 7,608 0 0 0.0
2006 Q2 6,144 0 0 0.0
2006 Q1 0 0 0
2005 Q4 5,458 0 0 0.0
2005 Q3 7,665 1 0 130.5
2005 Q2 5,787 0 0 0.0
2005 Q1 641 0 0 0.0
2004 Q4 2,714 0 0 0.0
2004 Q3 6,987 0 0 0.0
2004 Q2 4,931 1 0 202.8
2004 Q1 269 0 0 0.0
2003 Q4 1,588 0 0 0.0
2003 Q3 5,618 0 0 0.0
2003 Q2 4,708 1 0 212.4
2003 Q1 177 0 0 0.0
2002 Q4 1,557 0 0 0.0
2002 Q3 3,954 0 0 0.0
2002 Q2 3,257 4 0 1228.1
2002 Q1 0 0 0
2001 Q4 956 0 0 0.0
2001 Q3 3,970 0 0 0.0
2001 Q2 2,978 3 1 1007.4
2001 Q1 181 0 0 0.0
2000 Q4 999 0 0 0.0
2000 Q3 3,661 1 1 273.1
2000 Q2 2,854 0 0 0.0
2000 Q1 157 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

7 on file

2015 · 1 incident

September 3, 2015 AK · Metal/Non-Metal crusher attendant/operator, pan feeder operator/worker HANDTOOLS (NONPOWERED)
AAA Valley Gravel · Struck by... (Not Elsewhere Classified)

Hammering on crusher wedges piece of metal flew under safety glasses and hit in the eye.

2009 · 1 incident

June 13, 2009 AK · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
AAA Valley Gravel · Fall from machine

EE was sitting on frame of crusher tightening bottom deck screen bolts, when wrench slipped and EE fell approx 3' and landed on the conveyor blet guard.

2005 · 2 incidents

August 1, 2005 AK · Metal/Non-Metal outside foreman, leadman POWERED HAULAGE
AAA Valley Gravel · Caught in, under or between (Not Elsewhere Classified)

EMPLOYEE WAS IN BETWEEN TWO CONVEYOR BELTS. HE WAS GUIDING SERVICE TRUCK BACK TO DO A REPAIR. TRUCK BUMPED CONVEYOR AND IT SLID INTO HIM, PINCHING HIS LEG AGAINST ANOTHER CONVEYOR.

February 10, 2005 AK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
AAA Valley Gravel · Struck by... (Not Elsewhere Classified)

Employee got something in his eye. He reported wearing safety glasses. Said he may have had something in his eye for some time. Does not recall getting hit in the eye with anything.

2004 · 1 incident

September 24, 2004 AK · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
AAA Valley Gravel · Fall onto or against objects

Apparently he stepped off crusher and bumped knee on a steel beam.

2003 · 1 incident

June 27, 2003 AK · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
AAA Valley Gravel · Struck by flying object

WIND HOWLING AND DUST GOT IN HIS EYE. OPERATOR WAS IN FRONT END LOADER AT TIME OF ACCIDENT.

1995 · 1 incident

May 28, 1995 AK · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
AAA Valley Gravel · Over-exertion (Not Elsewhere Classified)

SHOVELING UNDER FEEDER PULLED BACK MUSCLE MINER INJURY NO LOST TIME