On Friday, June 28th EE was walking to the value to fill up the water truck. EE started to walk alongside the tanks and EE's right leg slipped out in front of EE causing EE's knee to twist making EE to fall backwards. EE injured EE's right knee and dislocated EE's patella.
West Side Pit Metal/Non-Metal
M.R. Tanner Mining Inc
· Surface
Controlled by
Maurice R Tanner Jr
Glendale,
Maricopa County,
AZ
·
Active
MSHA Mine ID: 0203107
West Side Pit has $41K in proposed MSHA penalties and $0 outstanding across 2 contested dockets, plus health sampling and the full incident record.
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Email me when a new MSHA incident is filed at West Side Pit.
- Fatalities
- 0
- Total incidents
- 2
- Years on record
- 2022–2024
- Latest incident
- Jun 2024
Compliance record
MSHA citations since 2005
122
citations
46
significant & substantial
$41,309
proposed penalties
$41,243
paid to date
100% of proposed penalties paid to date, a $66 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2005
55
inspections on record
682
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: 682 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
West Side Pit has $41K in proposed MSHA penalties and $0 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.$41K
proposed penalties
$41K
current assessed
$41K
paid to date
$0
outstanding
118 assessments are final orders; 2 contested dockets.
As of the most recent assessment on 2024-10-03.
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 | 10,159 | 0 | 0 | 0.0 |
| 2025 Q3 | 10,218 | 0 | 0 | 0.0 |
| 2025 Q2 | 10,239 | 0 | 0 | 0.0 |
| 2025 Q1 | 9,515 | 0 | 0 | 0.0 |
| 2024 Q4 | 8,964 | 2 | 0 | 223.1 |
| 2024 Q3 | 9,581 | 5 | 2 | 521.9 |
| 2024 Q2 | 8,800 | 0 | 0 | 0.0 |
| 2024 Q1 | 9,537 | 3 | 2 | 314.6 |
Show 73 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 9,145 | 0 | 0 | 0.0 |
| 2023 Q3 | 9,708 | 6 | 2 | 618.0 |
| 2023 Q2 | 8,739 | 0 | 0 | 0.0 |
| 2023 Q1 | 8,855 | 7 | 0 | 790.5 |
| 2022 Q4 | 8,637 | 4 | 3 | 463.1 |
| 2022 Q3 | 9,167 | 1 | 1 | 109.1 |
| 2022 Q2 | 7,722 | 0 | 0 | 0.0 |
| 2022 Q1 | 8,017 | 1 | 0 | 124.7 |
| 2021 Q4 | 6,956 | 0 | 0 | 0.0 |
| 2021 Q3 | 6,484 | 0 | 0 | 0.0 |
| 2021 Q2 | 7,129 | 3 | 2 | 420.8 |
| 2021 Q1 | 7,244 | 1 | 1 | 138.0 |
| 2020 Q4 | 8,344 | 0 | 0 | 0.0 |
| 2020 Q3 | 7,983 | 0 | 0 | 0.0 |
| 2020 Q2 | 7,662 | 3 | 3 | 391.5 |
| 2020 Q1 | 7,537 | 0 | 0 | 0.0 |
| 2019 Q4 | 7,042 | 4 | 1 | 568.0 |
| 2019 Q3 | 7,562 | 0 | 0 | 0.0 |
| 2019 Q2 | 7,616 | 3 | 2 | 393.9 |
| 2019 Q1 | 7,308 | 3 | 0 | 410.5 |
| 2018 Q4 | 7,259 | 0 | 0 | 0.0 |
| 2018 Q3 | 6,366 | 0 | 0 | 0.0 |
| 2018 Q2 | 6,626 | 0 | 0 | 0.0 |
| 2018 Q1 | 6,106 | 1 | 0 | 163.8 |
| 2017 Q4 | 5,924 | 0 | 0 | 0.0 |
| 2017 Q3 | 5,957 | 0 | 0 | 0.0 |
| 2017 Q2 | 6,143 | 4 | 1 | 651.1 |
| 2017 Q1 | 7,280 | 0 | 0 | 0.0 |
| 2016 Q4 | 6,973 | 1 | 0 | 143.4 |
| 2016 Q3 | 8,166 | 0 | 0 | 0.0 |
| 2016 Q2 | 8,478 | 0 | 0 | 0.0 |
| 2016 Q1 | 6,980 | 0 | 0 | 0.0 |
| 2015 Q4 | 6,783 | 7 | 1 | 1032.0 |
| 2015 Q3 | 6,187 | 1 | 0 | 161.6 |
| 2015 Q2 | 7,812 | 0 | 0 | 0.0 |
| 2015 Q1 | 6,903 | 0 | 0 | 0.0 |
| 2014 Q4 | 5,996 | 3 | 1 | 500.3 |
| 2014 Q3 | 5,969 | 17 | 7 | 2848.0 |
| 2014 Q2 | 6,659 | 0 | 0 | 0.0 |
| 2014 Q1 | 6,027 | 8 | 5 | 1327.4 |
| 2013 Q4 | 4,789 | 0 | 0 | 0.0 |
| 2013 Q3 | 5,664 | 0 | 0 | 0.0 |
| 2013 Q2 | 3,309 | 0 | 0 | 0.0 |
| 2013 Q1 | 3,207 | 1 | 0 | 311.8 |
| 2012 Q4 | 3,445 | 0 | 0 | 0.0 |
| 2012 Q3 | 4,004 | 4 | 3 | 999.0 |
| 2012 Q2 | 3,448 | 0 | 0 | 0.0 |
| 2012 Q1 | 2,333 | 1 | 0 | 428.6 |
| 2011 Q4 | 2,191 | 0 | 0 | 0.0 |
| 2011 Q3 | 2,413 | 0 | 0 | 0.0 |
| 2011 Q2 | 2,547 | 0 | 0 | 0.0 |
| 2011 Q1 | 2,101 | 0 | 0 | 0.0 |
| 2010 Q4 | 2,984 | 2 | 0 | 670.2 |
| 2010 Q3 | 2,168 | 0 | 0 | 0.0 |
| 2010 Q2 | 2,332 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,833 | 0 | 0 | 0.0 |
| 2009 Q4 | 3,607 | 10 | 7 | 2772.4 |
| 2009 Q3 | 3,703 | 0 | 0 | 0.0 |
| 2009 Q2 | 3,137 | 0 | 0 | 0.0 |
| 2009 Q1 | 3,247 | 0 | 0 | 0.0 |
| 2008 Q4 | 3,459 | 1 | 0 | 289.1 |
| 2008 Q3 | 4,199 | 0 | 0 | 0.0 |
| 2008 Q2 | 2,585 | 0 | 0 | 0.0 |
| 2008 Q1 | 1,506 | 7 | 0 | 4648.1 |
| 2007 Q4 | 1,351 | 0 | 0 | 0.0 |
| 2007 Q3 | 2,947 | 0 | 0 | 0.0 |
| 2007 Q2 | 3,562 | 0 | 0 | 0.0 |
| 2007 Q1 | 3,863 | 4 | 1 | 1035.5 |
| 2006 Q4 | 4,074 | 0 | 0 | 0.0 |
| 2006 Q3 | 3,864 | 0 | 0 | 0.0 |
| 2006 Q2 | 2,231 | 0 | 0 | 0.0 |
| 2006 Q1 | 1,662 | 0 | 0 | 0.0 |
| 2005 Q4 | 1,194 | 2 | 1 | 1675.0 |
No fatalities recorded at this mine.
Reportable incidents
2 on file2024 · 1 incident
June 28, 2024
AZ · Metal/Non-Metal
haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver
SLIP OR FALL OF PERSON
M.R. Tanner Mining Inc · Fall to the walkway or working surface
2022 · 1 incident
M.R. Tanner Mining Inc · Accident type, without injuries
Material in high wall fell on Dozer entrapping operator.
For insurers, brokers, and safety consultants
The full compliance file on West Side Pit
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.