Mining Incidents

Durbin Plant Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Irwindale, Los Angeles County, CA  ·  Active
MSHA Mine ID: 0401734

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Fatalities
1
Total incidents
34
Years on record
2000–2025
Latest incident
Jun 2025
Compliance record
MSHA citations since 2000
120
citations
25
significant & substantial
$18,089
proposed penalties
$13,583
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 20,707 0 0 0.0
2025 Q3 18,715 0 0 0.0
2025 Q2 7,627 0 0 0.0
2025 Q1 4,981 0 0 0.0
2024 Q4 25,270 0 0 0.0
2024 Q2 21,290 2 0 93.9
2023 Q4 21,619 1 1 46.3
2023 Q3 25,763 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

Fatalities at this mine

1 recorded
November 9, 2001 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider Fatality · OTHER
CalMat Co · Drowning

EMPLOYEE WAS USING A HIGH PRESSURE WATER HOSE TO WASH OUT ACCUMULATED MATERIAL BELOW CONVEYER #11 (FLOATING) AND TAILPULLEY CONVEYER #4 (LAND)APPARENTLY FELL IN WATER PIT WHILE NOT WEARING A LIFE JACKET.

Reportable incidents

33 on file (excluding fatalities above)

2025 · 1 incident

June 13, 2025 CA · Metal/Non-Metal electrician, lineman SLIP OR FALL OF PERSON
CalMat Co · Fall onto or against objects

On 6/13/25 employee received medical treatment in ER for a reopening of a surgical incision. While employee was inspecting a trench, the tripped on leveling rake and fell on right knee, reopening a surgical incision from a personal knee surgery. Employee required surgery, was released from the hospital on 6/15/25, placed on restricted duty on 6/16/25 which is being accommodated

2024 · 2 incidents

May 31, 2024 CA · Metal/Non-Metal miner, prospector, nec SLIP OR FALL OF PERSON
CalMat Co · Fall down stairs

While standing on the second to last step on a staircase, plant operator was washing down material from underneath a conveyor belt when EE fell backwards onto the ground. Emergency sustained a head laceration requiring sutures.

April 10, 2024 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

While performing repairs on screens, maintenance employee cut themselves with a utility knife sustaining a thigh laceration. Emergency personnel dispatched to facility where the employee was transported via ambulance for further medical treatment. Employee received sutures and was discharged later that day.

2023 · 1 incident

October 16, 2023 CA · Metal/Non-Metal electrician, lineman HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

On 10/16/2023 employee was assisting in a pit move relocating a 2.5" electrical cord. Employee reports EE began to experience discomfort in EE's right shoulder the following day 10/17/23 but did not notify management until 10/18/23. On 10/23/23 employee requested medical evaluation where EE was diagnosed with a strain to EE's right shoulder and placed on modified work duty.

2021 · 2 incidents

May 4, 2021 CA · Metal/Non-Metal sweeper operator HANDLING OF MATERIALS
CalMat Co · Over-exertion in pulling or pushing objects

While performing daily clean up of the sweeper truck, employee experienced slight discomfort in right shoulder while removing the suction hose.

April 9, 2021 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CalMat Co · Struck against a moving object

Employee was operating the water truck when EE began experiencing gradually increasing back pain. On 4/12/21 EE requested medical treatment, and was prescribed physical therapy.

2020 · 1 incident

August 5, 2020 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
CalMat Co · (Not Elsewhere Classified)

EE diagnosed with a sinus infection. Symptoms experienced were sinus pressure, heartburn and light headedness. EMS was summoned for precautionary assessment due to underlying health condition. EMS decided to transport EE to hospital for evaluation. EE was off work on 8/6 and 8/7/20. This was a personal medical, non-occupational event.

2019 · 1 incident

January 15, 2019 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
CalMat Co · Caught in, under or between a moving and a stationary object

On 1/15/19 employee was taken to the company clinic and received stitches for a bursting laceration. Employee's left hand, while performing clean-up duties, was caught between a metal spray bar and the side wear plate of the loader bucket, resulting in a bursting laceration to the left middle finger.

2017 · 1 incident

March 10, 2017 CA · Metal/Non-Metal superintendent SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

Walking away from a piece of equipment employee stepped into a soft spot of dirt and twisted knee. Emphasized to all employees at safety meeting to watch step on uneven ground.

2016 · 2 incidents

September 13, 2016 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver DISORDERS (REPEATED TRAUMA)
CalMat Co · Over-exertion (Not Elsewhere Classified)

On 11/28/18, Vulcan was informed by its third-party insurance administrator through the litigation process that an alleged 9/13/16 continuous trauma claim to the back and neck due to physical stress and strain of job duties and activities are occupational.

May 11, 2016 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
CalMat Co · Struck against a moving object

EE was sitting in the haul truck waiting for the excavator operator to finish EE's truck. While loading the haul truck the excavator bucket clipped the tail end of the haul truck. EE stated that the haul truck shook, several witnesses stated that truck did not move at all.

2012 · 1 incident

May 22, 2012 CA · Metal/Non-Metal water truck operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

The employee was treated at the company clinic on 5/22/12 and was placed on restricted duty. While exiting the water truck, the employee failed to maintain 3 points of contact. This resulted in a fall and a fracture to her left wrist.

2008 · 1 incident

July 28, 2008 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee went to the company clinic on 7/28/08 and was placed on restricted duty. The employee attempted to install a V-belt on a feeder sheave when the counter weight of the feeder rotated resulting in a R-index finger laceration (required 4 sutures) and contusions to R-index, middle and ring fingers.

2007 · 2 incidents

May 29, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Struck by flying object

The employee went to the company clinic on 5/29/2007 and was placed on restricted duty. While attempting to remove the inner race of a double inter lock bearing with a hammer, a piece of steel became embedded in the employee's L-forearm.

April 5, 2007 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

The employee went to the company clinic on 4/6/07 and was placed on restricted duty. The employee missed footing platform while stepping from one VMC loader to another, causing him to slip down several steps while holding onto the handrails, which resulted in a laceration to L-knee.

2006 · 2 incidents

October 20, 2006 CA · Metal/Non-Metal pumper SLIP OR FALL OF PERSON
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee went to see the company doctor on 10/23/2006 and was taken off work by the doctor. While performing a pre-trip inspection, the employees R-leg fell between the left side track and push bar, resulting in a dislocated R-knee.

March 6, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

The employee went to see the company doctor on 3/7/2006 and was placed on restricted duty. The employee slipped and fell while transferring a roller bearing from the service truck to the workboat, causing the roller bearing to crush the employee's L-hand.

2005 · 3 incidents

October 3, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Struck by... (Not Elsewhere Classified)

The employee went to see the company doctor on 10/3/2005 and was placed on restricted duty. When loosening cable clamps holding a cable loop in place, the cable sprung loose and struck the employee on the top of L-hand, causing a contusion and puncture wound

September 22, 2005 CA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
CalMat Co · Over-exertion (Not Elsewhere Classified)

The employee went to see the company doctor on 9/23/05 and was placed on restricted work. While descending stairs, the employee lost his footing and twisted his R-ankle, resulting in a sprain.

February 16, 2005 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee went to see company doctor on 2/16/2005 and was placed on restricted work. Employee had an alleged strain to L-shoulder and L-wrist while cleaning decks on plant with a shovel.

2004 · 3 incidents

July 17, 2004 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
CalMat Co · Caught in, under or between a moving and a stationary object

Employee was taken to Kaiser Permanente on 7/17/04 and was taken off work. High-pressure water hose was tangled in the head pulley and gravity take-up snubber pulley, causing it to pull employee's right arm between idler and the moving conveyor belt resulting in two compound fracturers.

April 3, 2004 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Struck by... (Not Elsewhere Classified)

Employee went to see company doctor on 4/3/04 and prescription medication was issued for right eye. While cleaning eccentric tube of shaker, particle of sand, from unknown source, entered right eye which caused an abrasion.

January 17, 2004 CA · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

EE WENT TO SEE COMPANY DOCTOR ON 1-24-04 AND WAS PLACED ON RESTRICTED DUTY. EE SLIPPED OFF STEP WHILE ASCENDING CRANE WHICH CAUSED AN ABRASION AND CELLULITIS TO HIS LEFT LEG.

2003 · 1 incident

February 5, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CalMat Co · Contact with hot objects or substances

EE WENT TO SEE COMPANY PHYSICIAN ON 2-11-02 AND WAS PLACED ON RESTRICTED DUTY. WHILE USING CUTTING TORCH TO CUT A PIECE OF STEEL, IT FLIPPED OVER FROM A TWIST IN THE HOSE CAUSING A BURN TO EE' S LEFT HAND.

2002 · 3 incidents

December 24, 2002 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand POWERED HAULAGE
CalMat Co · Struck against a moving object

EMPLOYEE, WHILE DRIVING A COMPANY TRUCK DURING WORKING HOURS, WAS STRUCK BY ANOTHER VEHICLE AND ALLEGEDLY STRAINED HIS LOWER BACK. HE WENT TO THE COMPANY PHYSICIAN ON 12/31/02 AND WAS PLACED O N RESTRICTED DUTY.

July 12, 2002 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
CalMat Co · Struck by... (Not Elsewhere Classified)

EE WAS TAKEN TO THE COMPANY DOCTOR ON 7-12-02, STITCHES WERE APPLIED, AND WAS PLACED ON RESTRICTED WORK. WHILE INMSPECTING SCREEN FOR PROBLEMS, EE NOTICED A LEAK AND STUCK HIS FINGER IN SCREEN TO LOOK FOR MISSING BOLT. THE HEADBOX AND SIDE OF SCREEN LACERATED AND FRACTURE HIS L INDEX FINGER.

February 6, 2002 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

EMPLOYEE WENT TO SEE COMPANY DOCTOR ON 2/7/02 AND WAS PLACED ON RESTRICTED DUTY. EMPLOYEE WAS WORKING ON A WATER TANK TO RAISE IT UP 4' AND WHEN HE LIFTED A STEEL PIPE, HE STRAINED HIS LOWER B ACK.

2001 · 3 incidents

October 11, 2001 CA · Metal/Non-Metal coal sampler HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

EE WENT TO SEE CO.DR. 10/11/01 PLACED ON RESTRICTED DUTY. EE WA LIFTING 5 GALLON BUCKETS STRAINING HIS LOWER BACK

August 8, 2001 CA · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

EE WENT TO SEE CO. DR. 8/8/01 & PLACED ON RESTRICTED DUTY. STEPPING FROM WORKBOAT ONTO FLOATING CONVEYOR EE STUMBLED & STRUCK HIS L KNEE AGAINSTAN OBJECT WHICH CAUSED A CONTUSION

June 25, 2001 CA · Metal/Non-Metal truck driver POWERED HAULAGE
CalMat Co · Struck against a moving object

EE WENT TO SEE COMPANY DR ON 6/25/01 AND PLACED ON RESTRICTED DUTY. EE DROVE WATER TRUCK AROUND CORNER TOO FAST & TRUCK ROLLED OVER

2000 · 3 incidents

November 28, 2000 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
CalMat Co · Struck by falling object

EMPLOYEE WENT TO SEE A DR ON 11-28-00 AND WAS PLACED ON RESTRICTED DUTY. EMPLOYEE WAS WELDING A GUARD AND WHEN HE PUT YHIS HAND DOWN ON THE GUARD, A HAMMER, FROM ABOVE, FELL ON HIS LEFT HAND AND FRACTURED HIS LEFT PINKY FINGER.

September 27, 2000 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
CalMat Co · Struck by falling object

EMPLOYEE WENT TO SEE DOCTOR ON 9-27-00 WHO PLACED HIM ON RESTRICTED DUTY. WHEN UNPLUGGING CONVEYER JUNCTION BOX, A PIECE OF ASPHALT FELL STRIKING EMPLOYEE'S RIGHT TWO FINGERS.

January 8, 2000 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

EE WAS ON THE TIRE OF A 988B SKIP LOADER WHEN HE SLIPPED OFF AND SCRAPED HIS LEG AGAINST THE HOIST RAM CAUSING A LACERATION TO HIS RIGHT LEG. EE WAS GIVEN SUTURES AND ANTIBIOTICS. AS WELL AS A FOLLOW-UP APPOINTMENT WITH DOCTOR.