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Cooley Knoll Pit: 89 MSHA citations Metal/Non-Metal

Controlled by E Kay Perkins
Taylor, Navajo County, AZ  ·  Temporarily Idled
MSHA Mine ID: 0202969

Cooley Knoll Pit has $10K in proposed MSHA penalties and $0 outstanding across 1 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
1
Years on record
2007
Latest incident
Apr 2007
Compliance record
MSHA citations since 2002
89
citations
28
significant & substantial
$9,755
proposed penalties
$9,755
paid to date
100% of proposed penalties paid to date, a $0 gap.
Source: MSHA violations data, updated weekly.
See Perkins Cinders, Inc.'s full MSHA compliance history →
Inspection activity
MSHA inspections since 2002
45
inspections on record
474
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: 474 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Cooley Knoll Pit has $10K in proposed MSHA penalties and $0 outstanding across 1 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.
$10K
proposed penalties
$10K
current assessed
$10K
paid to date
$0
outstanding
88 assessments are final orders; 1 contested dockets.
Of $60 in penalties contested before the Commission, $0 was upheld in final decisions.
As of the most recent assessment on 2020-10-27.
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.
31.8%
significant & substantial
0.0%
high negligence or reckless
31.8%
reasonably likely or greater
52.3%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 8.0% low, 92.0% moderate, 0.0% high, 0.0% reckless.
Source: MSHA violations gravity and negligence coding, updated weekly.
Contested penalties
ⓘ A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.
Largest penalties this mine contested before the Federal Mine Safety and Health Review Commission, with the outcome on record.
Docket Decision Judge Year Proposed / upheld
WEST 2005-87M Dismissal Bulluck 2005 $60 → $0
Source: FMSHRC civil penalty dockets and decisions (public record), 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: 2019-04-02, 7 years ago
4
samples
0
limit-tested
Most sampled contaminants
  • Respirable dust, <.1mg4
Show the individual readings (4)
Date Contaminant Concentration Limit Conc / limit Occupation
2019-04-02 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-12-13 Respirable dust, <.1mg 0 Front-end Loader Operator
2017-12-13 Respirable dust, <.1mg 0 Backhoe Operator
2011-03-30 Respirable dust, <.1mg 0 Front-end Loader Operator
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. Hatchmark Industries Inc 2002 to 2004
  2. Perkins Cinders, Inc. 2004 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2026 0
2025 0
2024 1
2022 6
2021 4
2020 4
2019 3
2018 2
2017 2
2016 3
2015 4
2014 4
2013 2
2012 2
2011 3
2010 3
2009 2
2008 2
2007 2
2006 1
2005 2
2004 2
2003 5
2002 2
Source: MSHA quarterly employment and production, updated weekly.

Cooley Knoll Pit sits in Navajo County, Arizona, where the Census mining category is 0.8% 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.
Navajo County, Arizona · Population 107,744
0.8%
Mining share of county employment
$52,752
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 0 0 0
2026 Q1 0 0 0
2025 Q4 0 0 0
2025 Q3 0 0 0
2025 Q2 0 0 0
2025 Q1 0 0 0
2024 Q4 0 0 0
2024 Q3 0 0 0
Show 77 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2024 Q2 693 0 0 0.0
2022 Q2 1,108 0 0 0.0
2022 Q1 3,626 0 0 0.0
2021 Q4 829 0 0 0.0
2021 Q3 2,059 0 0 0.0
2021 Q2 1,284 0 0 0.0
2021 Q1 1,352 0 0 0.0
2020 Q4 1,080 1 0 925.9
2020 Q3 1,801 0 0 0.0
2020 Q2 789 5 0 6337.1
2020 Q1 1,369 0 0 0.0
2019 Q4 726 0 0 0.0
2019 Q3 788 0 0 0.0
2019 Q2 714 2 0 2801.1
2019 Q1 881 0 0 0.0
2018 Q4 897 3 1 3344.5
2018 Q3 707 0 0 0.0
2018 Q2 859 1 0 1164.1
2018 Q1 502 0 0 0.0
2017 Q4 558 2 1 3584.2
2017 Q3 1,015 0 0 0.0
2017 Q2 707 1 1 1414.4
2017 Q1 645 0 0 0.0
2016 Q4 946 0 0 0.0
2016 Q3 1,161 0 0 0.0
2016 Q2 703 0 0 0.0
2016 Q1 1,120 4 1 3571.4
2015 Q4 882 0 0 0.0
2015 Q3 667 0 0 0.0
2015 Q2 1,763 0 0 0.0
2015 Q1 2,270 2 0 881.1
2014 Q4 1,021 0 0 0.0
2014 Q3 921 8 3 8686.2
2014 Q2 2,872 0 0 0.0
2014 Q1 242 0 0 0.0
2013 Q2 568 0 0 0.0
2013 Q1 273 0 0 0.0
2012 Q4 508 3 2 5905.5
2012 Q3 690 3 2 4347.8
2012 Q2 755 0 0 0.0
2012 Q1 509 1 0 1964.6
2011 Q4 458 0 0 0.0
2011 Q3 664 0 0 0.0
2011 Q2 1,114 0 0 0.0
2011 Q1 395 4 1 10126.6
2010 Q4 435 0 0 0.0
2010 Q3 1,247 0 0 0.0
2010 Q2 689 7 5 10159.7
2010 Q1 708 0 0 0.0
2009 Q4 720 0 0 0.0
2009 Q3 860 0 0 0.0
2009 Q2 488 0 0 0.0
2009 Q1 821 0 0 0.0
2008 Q4 645 0 0 0.0
2008 Q3 855 0 0 0.0
2008 Q2 940 0 0 0.0
2008 Q1 925 0 0 0.0
2007 Q4 993 0 0 0.0
2007 Q3 852 0 0 0.0
2007 Q2 641 2 0 3120.1
2007 Q1 449 0 0 0.0
2006 Q4 596 0 0 0.0
2006 Q3 497 0 0 0.0
2006 Q2 496 0 0 0.0
2006 Q1 126 0 0 0.0
2005 Q4 597 0 0 0.0
2005 Q3 534 0 0 0.0
2005 Q2 1,283 0 0 0.0
2005 Q1 646 0 0 0.0
2004 Q4 1,120 7 2 6250.0
2004 Q3 1,134 0 0 0.0
2003 Q3 815 0 0 0.0
2003 Q2 651 3 2 4608.3
2003 Q1 2,328 11 4 4725.1
2002 Q3 20 0 0 0.0
2002 Q2 275 9 1 32727.3
2002 Q1 211 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

1 on file

2007 · 1 incident

April 27, 2007 AZ · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Perkins Cinders, Inc. · Caught in, under or between (Not Elsewhere Classified)

EE changing air filter on loader. The hood fell smashing his left hand. Hand swollen & bruised.