Mining Incidents

Queen Creek Stone Metal/Non-Metal

CalMat Co. · Surface
Controlled by Vulcan Materials Company
Florence, Pinal County, AZ  ·  Active
MSHA Mine ID: 0203342

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Fatalities
0
Total incidents
5
Years on record
2018–2024
Latest incident
Dec 2024
Compliance record
MSHA citations since 2017
16
citations
5
significant & substantial
$3,318
proposed penalties
$3,167
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 8,396 0 0 0.0
2025 Q3 8,391 0 0 0.0
2025 Q2 10,533 0 0 0.0
2024 Q4 1,040 1 1 961.5
2024 Q2 1,039 0 0 0.0
2023 Q4 6,989 5 2 715.4
2023 Q3 9,227 0 0 0.0
2023 Q1 1,720 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
No fatalities recorded at this mine.

Reportable incidents

5 on file

2024 · 1 incident

December 6, 2024 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co. · Over-exertion (Not Elsewhere Classified)

On 12/6/24 EE experienced a first aid injury to their left ankle when they exited a step ladder. On 12/9/24 EE sought medical attention where they were given work restrictions.

2021 · 1 incident

January 29, 2021 AZ · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CalMat Co. · Flash burns (welding)

EE was welding in the primary feeder, while welding EE suffered flash burn not knowing until the next day. Cause was possible flash reflecting off the feeder coming through the back of EE's welding hood.

2019 · 1 incident

January 22, 2019 AZ · Metal/Non-Metal clerk, timekeeper, office worker, director of sales POWERED HAULAGE
CalMat Co. · Struck against a moving object

EE was driving into work, when EE was pulling into the office parking lot at the Plant when EE's phone fell off the magnet holder in the air vent causing the phone to go between the floor and the accelerator pedal. When EE went to pick it up the vehicle veered into a rock blocking the electrical panel causing the vehicle to stop immediately.

2018 · 2 incidents

December 10, 2018 AZ · Metal/Non-Metal outside foreman, leadman OTHER
CalMat Co. · Struck by flying object

WHILE EVALUATING CONDITION AND NEEDED REPAIRS ON B-10 TAIL PULLEY UNDER SCREEN 1 (PRIMARY), A GUST OF WIND BLEW IN EMPLOYEE'S FACE AND GOT UNDER SAFETY GLASSES. A PARTICLE ENTERED RIGHT EYE

September 21, 2018 AZ · Metal/Non-Metal plumber, pipefitter, millwright MACHINERY
CalMat Co. · Struck by flying object

Employee working beneath rock crusher box felt an assumed piece of dirt in the right eye