Perkins Valley Pit: 40 MSHA citations Metal/Non-Metal
Cholla Ready Mix Inc
· Surface
Controlled by
Dale McKinnon
Holbrook,
Navajo County,
AZ
·
Abandoned
MSHA Mine ID: 0202516
Perkins Valley Pit has $5K in proposed MSHA penalties and $521 outstanding across 2 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 2001
40
citations
15
significant & substantial
$5,345
proposed penalties
$4,214
paid to date
79% of proposed penalties paid to date, a $1,131 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
20
inspections on record
218
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: 218 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Perkins Valley Pit has $5K in proposed MSHA penalties and $521 outstanding across 2 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.$5K
proposed penalties
$5K
current assessed
$4K
paid to date
$521
outstanding
40 assessments are final orders; 2 contested dockets.
Of $2K in penalties contested before the Commission, $1K was upheld in final decisions.
As of the most recent assessment on 2011-07-28.
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.37.5%
significant & substantial
5.0%
high negligence or reckless
37.5%
reasonably likely or greater
62.5%
permanently disabling or fatal if injury occurs
Negligence coding: 0.0% none, 2.5% low, 92.5% moderate, 5.0% 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 2004-241-M | Settlement | Manning | 2004 | $1K → $735 |
| WEST 2004-434M | Default | Lesnick | 2005 | $371 → $371 |
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: 2004-08-18, 22 years ago
ⓘ
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.20%
of limit-tested samples over the exposure limit
6
samples
5
limit-tested
Most sampled contaminants
- Quartz, respirable, >1% Qtz51 over
- Unlisted Particulate, respirable, <1% Qtz1
Show the individual readings (6)
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2003-05-07 | Quartz, respirable, >1% Qtz | 0.45 | 0.28 | 1.61 | Crusher Oper/Worker |
| 2004-08-18 | Unlisted Particulate, respirable, <1% Qtz | 0.16 | Washer Operator | ||
| 2004-08-18 | Quartz, respirable, >1% Qtz | 0.48 | 1.09 | 0.44 | Crusher Oper/Worker |
| 2004-08-18 | Quartz, respirable, >1% Qtz | 0.3 | 1.55 | 0.19 | Front-end Loader Operator |
| 2003-05-07 | Quartz, respirable, >1% Qtz | 0.24 | 0.58 | 0.41 | Front-end Loader Operator |
| 2003-05-07 | Quartz, respirable, >1% Qtz | 0.41 | 1.31 | 0.31 | 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
- Cholla Ready Mix Inc 1990 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
| Year | Employees |
|---|---|
| 2011 | 0 |
| 2010 | 1 |
| 2009 | 0 |
| 2008 | 0 |
| 2007 | 3 |
| 2006 | 2 |
| 2005 | 1 |
| 2004 | 5 |
| 2003 | 3 |
| 2002 | 3 |
| 2001 | 1 |
| 2000 | 3 |
Source: MSHA quarterly employment and production, updated weekly.
Perkins Valley 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 |
|---|---|---|---|---|
| 2011 Q3 | 0 | 4 | 2 | |
| 2011 Q2 | 0 | 0 | 0 | |
| 2011 Q1 | 0 | 0 | 0 | |
| 2010 Q3 | 24 | 0 | 0 | 0.0 |
| 2010 Q2 | 9 | 1 | 0 | 111111.1 |
| 2010 Q1 | 30 | 0 | 0 | 0.0 |
| 2009 Q4 | 10 | 0 | 0 | 0.0 |
| 2009 Q3 | 0 | 0 | 0 |
Show 36 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2009 Q1 | 0 | 0 | 0 | |
| 2008 Q4 | 0 | 0 | 0 | |
| 2008 Q2 | 0 | 0 | 0 | |
| 2008 Q1 | 0 | 0 | 0 | |
| 2007 Q4 | 0 | 0 | 0 | |
| 2007 Q3 | 171 | 0 | 0 | 0.0 |
| 2007 Q2 | 1,472 | 0 | 0 | 0.0 |
| 2007 Q1 | 307 | 0 | 0 | 0.0 |
| 2006 Q4 | 111 | 0 | 0 | 0.0 |
| 2006 Q3 | 0 | 0 | 0 | |
| 2006 Q2 | 773 | 0 | 0 | 0.0 |
| 2006 Q1 | 305 | 0 | 0 | 0.0 |
| 2005 Q4 | 775 | 0 | 0 | 0.0 |
| 2005 Q3 | 336 | 0 | 0 | 0.0 |
| 2005 Q2 | 0 | 0 | 0 | |
| 2005 Q1 | 0 | 0 | 0 | |
| 2004 Q4 | 51 | 5 | 1 | 98039.2 |
| 2004 Q3 | 238 | 0 | 0 | 0.0 |
| 2004 Q2 | 1,256 | 0 | 0 | 0.0 |
| 2004 Q1 | 684 | 1 | 0 | 1462.0 |
| 2003 Q4 | 322 | 10 | 3 | 31055.9 |
| 2003 Q3 | 63 | 0 | 0 | 0.0 |
| 2003 Q2 | 713 | 7 | 2 | 9817.7 |
| 2003 Q1 | 79 | 0 | 0 | 0.0 |
| 2002 Q4 | 400 | 0 | 0 | 0.0 |
| 2002 Q3 | 99 | 4 | 2 | 40404.0 |
| 2002 Q2 | 355 | 0 | 0 | 0.0 |
| 2002 Q1 | 40 | 0 | 0 | 0.0 |
| 2001 Q4 | 0 | 0 | 0 | |
| 2001 Q3 | 19 | 8 | 5 | 421052.6 |
| 2001 Q2 | 171 | 0 | 0 | 0.0 |
| 2001 Q1 | 82 | 0 | 0 | 0.0 |
| 2000 Q4 | 233 | 0 | 0 | 0.0 |
| 2000 Q3 | 42 | 0 | 0 | 0.0 |
| 2000 Q2 | 61 | 0 | 0 | 0.0 |
| 2000 Q1 | 714 | 0 | 0 | 0.0 |
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.