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West Side Pit Metal/Non-Metal

Controlled by Maurice R Tanner Jr
Glendale, Maricopa County, AZ  ·  Active
MSHA Mine ID: 0203107

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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
Source: MSHA violations data, updated weekly.
Quarterly safety rates
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
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

2 on file

2024 · 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

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.

2022 · 1 incident