Mining Incidents

San Bernardino Plant Metal/Non-Metal

CalMat Co · Surface
Controlled by Vulcan Materials Company
Highland, San Bernardino County, CA  ·  Active
MSHA Mine ID: 0401984

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Fatalities
0
Total incidents
31
Years on record
2000–2025
Latest incident
Dec 2025
Compliance record
MSHA citations since 2000
88
citations
7
significant & substantial
$8,548
proposed penalties
$8,548
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 19,013 0 0 0.0
2025 Q3 20,833 0 0 0.0
2025 Q2 21,345 3 1 140.5
2025 Q1 17,685 0 0 0.0
2024 Q4 17,143 1 1 58.3
2024 Q2 19,267 1 0 51.9
2024 Q1 18,994 0 0 0.0
2023 Q3 22,374 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

31 on file

2025 · 1 incident

December 8, 2025 CA · Metal/Non-Metal water truck operator POWERED HAULAGE
CalMat Co · Struck against a moving object

On 1/5/2026, management was notified of an alleged injury. The employee reported back pain as a result of operating the water truck.

2024 · 2 incidents

December 5, 2024 CA · Metal/Non-Metal ball/rod/pebble/hand/limestone/dry mill operator, roller operator POWERED HAULAGE
CalMat Co · Struck against a moving object

Employee was operating a loader on the haul road when they drove over a 3" pothole. Employee states this cause their teeth to jar and lose consciousness for a second. After experiencing nausea, emergency medical services were dispatched to the site and transported the employee to an emergency room, where they was diagnosed with a head contusion.

September 30, 2024 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

Employee alleges a lower back strain due to shoveling. Employee self procured medical treatment at a local hospital where EE was prescribed 600mg of ibuprofen.

2022 · 2 incidents

November 30, 2022 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 alleges experiencing pain to EE's lower back after operating a haul truck, employee claims to have struck a sinkhole on the haul truck road which EE believed to have contributed to EE's injury.

February 7, 2022 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

Clear sunny day. Field Tech was stepping down from the bed of the service truck and lost footing. Body was then shifted and impacted an umbrella holder mounted to the truck, they then fell to the ground on left side and impacted rib cage

2021 · 1 incident

June 1, 2021 CA · Metal/Non-Metal rotary bucket excavator operator SLIP OR FALL OF PERSON
CalMat Co · Fall to the walkway or working surface

Employee exited the excavator EE was operating. Upon exiting EE stepped onto an unstable piece of concrete which caused EE to lose balance, twisting ankle and falling over.

2020 · 1 incident

June 20, 2020 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
CalMat Co · Caught in, under or between a moving and a stationary object

Employee was replacing a transmission when the transmission slipped off the jack, and pinched employee's right little finger between the jack and the transmission. The employee received stitches and was diagnosed with a partial traumatic transphalangeal amputation of right little finger.

2019 · 1 incident

December 2, 2019 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)

Employee was installing ground engagement parts for the bucket of a 980H loader when a piece of metal punctured EE's lower left leg. The employee was treated at the clinic where EE received stitches.

2018 · 1 incident

March 6, 2018 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver OTHER
CalMat Co · Struck by... (Not Elsewhere Classified)

On May 31, 2018, EE requested a medical evaluation to be done the following day, June 1, 2018, and was prescribed physical therapy. On 3/6/18 EE was standing by a doorway when another employee, opened the door and struck EE in the shoulder area to punch in to go to work. EE was diagnosed with impingement of right shoulder.

2017 · 1 incident

April 7, 2017 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (REPEATED TRAUMA)
CalMat Co · (Not Elsewhere Classified)

On June 15, 2017 received report from audiologist that the employee's right ear hearing impairment has been caused or contributed by workplace noise.

2014 · 2 incidents

November 13, 2014 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
CalMat Co · Over-exertion in lifting objects

The employee requested medical treatment on 11/17/14, was taken to the company clinic and was placed on restricted duty which is being accommodated. The employee alleges pain to the lower back as a result of lifting a fabricated stair case (approx. 80 pounds) with a co-worker. The employee was diagnosed with a lumbar strain.

January 9, 2014 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 1-9-14 the employee was taken to the company clinic and received stitches for an open wound to R-Index finger which was pinched between a sheave and sheave housing during an inspection. Employee released to full duty on 1-10-14.

2011 · 1 incident

July 19, 2011 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
CalMat Co · (Not Elsewhere Classified)

Past occupational noise exposures can not be ruled out as a possible cause for the noise induced hearing loss that has been recorded. Current occupational noise exposures are within safe levels.

2010 · 1 incident

March 27, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
CalMat Co · Struck by flying object

On 03/27/2010, the employee was taken to the company clinic and had a foreign object removed from his right eye by a physician. The employee reported while welding, wind blew a foreign object into his right eye. The employee was returned to full duty.

2009 · 1 incident

February 9, 2009 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
CalMat Co · Unclassified, insufficient data

The employee was taken to the company clinic on 4/16/09 and was placed on restricted duty. The employee is alleging a continuous trauma from 10/2/07 - 10/2/08 to his back and lower extremities from continuous and repetitive motion. Employee, on 2/9/09 originally reported his back injury as a non-industrial specific injury that occurred at home.

2007 · 1 incident

August 22, 2007 CA · Metal/Non-Metal water truck operator OTHER
CalMat Co · Absorption of radiations, caustics, toxic and noxious substances

The employee went to the company clinic on 8/24/2007 and was placed on restricted duty. The employee was bitten on back of right knee by a spider while refilling the water truck or while in the cab of the water truck.

2006 · 2 incidents

June 29, 2006 CA · Metal/Non-Metal electrician helper OCCUPATIONAL SKIN DISEASES
CalMat Co · Absorption of radiations, caustics, toxic and noxious substances

The employee went to see the company doctor on 7/5/2006 and was placed on restricted duty. Installing underground electrical conduits at the San Bernardino plant resulted in a rash to multiple body parts (ALLEGED)

June 29, 2006 CA · Metal/Non-Metal electrician, lineman OCCUPATIONAL SKIN DISEASES
CalMat Co · Absorption of radiations, caustics, toxic and noxious substances

The employee went to see the company doctor on 7/5/2006 and was placed on restricted duty. Installing underground electrical conduits at the San Bernardino plant resulted in a rash to multiple body parts (ALLEGED)

2005 · 2 incidents

December 31, 2005 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

The employee went to the company clinic on 5/1/2006 and was placed on restricted duty. The employee allegedly strained his lombar spine while shoveling materials, resulting in a herniated disc. (ALLEGED)

September 6, 2005 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)

The employee went to see the company doctor on 9/6/2005 and was placed on restricted duty. The employee cut his R-forearm with a utility knife while cutting rubber, causing a laceration that required sutures.

2004 · 1 incident

August 16, 2004 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDLING OF MATERIALS
CalMat Co · Over-exertion (Not Elsewhere Classified)

Employee went to see company doctor on 8/17/04 and was placed on restricted duty. Employee opened hood of yard truck for a pre-trip inspection prior to operating vehicle. Hood went past normal stopping point because safety catch was broken; employee was attempting to hold hood with his left arm straining lower back and rib cage.

2002 · 1 incident

March 12, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
CalMat Co · Struck by falling object

WHILE CUTTING OFF THE BEARING SUPPORT ARM WITH A TORCH, SUPPORT ARM FELL ONTO EE'S L-KNEE WHICH CAUSED A CONTUSION & LACERATION TO L-KNEE. EE WENT TO SEE COMPANY DR ON 3/12/02 & WAS PLACED ON RESTRICTED DUTY.

2001 · 1 incident

July 3, 2001 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)

EE WENT TO SEE TO CO. DR. ON 7-12-01 AND WAS PLACED ON RESTRICTED DUTY. EE WAS CUTTING A LIVE RUBBER BELT INSIDE THE WET SIDE MAIN FEED CHUTE WITH A RAZOR UTILITY KNIFE CUTTING TOWARDS HIM, IN LIMITED SPACE, AND CUT HIS RT. KNEE.

2000 · 8 incidents

November 14, 2000 CA · Metal/Non-Metal truck driver OTHER
CalMat Co · Absorption of radiations, caustics, toxic and noxious substances

EMPLOYEE WENT TO SEE A DOCTOR ON 11-16-00 AND WAS PLACED ON RESTRICTED DUTY. WHILE IN THE RSTROOM, THE EMPLOYEE WAS BITTEN BY AN INSECT IN THE LEFT THIGH.

September 26, 2000 CA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
CalMat Co · Struck by falling object

EMPLOYEE WENT TO SEE THE DOCTOR ON 9-26-00 AND WAS PLACED ON RESTRICTED DUTY. EMPLOYEE WAS PUTTING WHEEL CHOCK BACK ON THE TRUCK WHEN IT SLIPPEDAND STRUCK HER IN THE RIGHT SHOULDER.

September 6, 2000 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
CalMat Co · Struck against a moving object

EE WENT TO SEE THE DR. ON 9/7/00 AND WAS PLACED ON TEMPORARY DISABILITY. WHILE LOADING TRUCKS, EE DROVE THROUGH TWO CONSECUTIVE POT HOLES AND INJURED LOWER BACK.

August 31, 2000 CA · Metal/Non-Metal welder (shop) MACHINERY
CalMat Co · Struck by flying object

EMPLOYEE WENT TO SEE THE DOCTOR ON 8-31-00 WHO REMOVED A FOREIGN OBJECT EMBEDDED IN RIGHT EYE. WHILE WELDING, A CHIP OF HOT, DRIED PAINT ENTERED INTO EMPLOYEE'S RIGHT EYE UNDERNEATH HIS CUTTI NG GLASSES.

August 22, 2000 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
CalMat Co · Struck by... (Not Elsewhere Classified)

EE WAS SHOVELING MATERIAL FROM UNDER CONVEYOR BELT ONTO CONVEYOR BELT. HIS SHOVEL HT A ROLLER. THE SHOVEL KNICKED BACK AND HIT EE ON HIS RIGHT CHEEK. THE BLOW CUT HIS CHEEK. EE RECEIVED 19 STITCHES.

April 12, 2000 CA · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
CalMat Co · Fall from machine

EE WENT TO SEE THE DR ON 4/12 AND WAS PLACED ON RESTRICTED WORK DUTY. WHILE GETTING OUT TO LOAD TRUCK, LEFT FOOT SLIPPED OFF BOTTOM STEP, EE FELL AND LANDED ON RIGHT THIGH AND RIGHT HAND.

April 10, 2000 CA · Metal/Non-Metal truck driver HANDTOOLS (NONPOWERED)
CalMat Co · Over-exertion (Not Elsewhere Classified)

EE WENT TO SEE THE DR ON 4/10 AND WAS PLACED ON RESTRICTED WORK DUTY. WHILE ATTEMPTING TO OPEN BUNKER, PUSHBAR JAMMED AND IT JARRED EE'S RIGHT WRIST.

March 27, 2000 CA · Metal/Non-Metal truck driver HANDLING OF MATERIALS
CalMat Co · Caught in, under or between (Not Elsewhere Classified)

EE WENT TO SEE DR. AND INITIALLY WAS RETURNED TO FULL DUTY. ON 7-18-00 EE STARTED TO LOSE TIME, CAME BACK ON RESTRICTED ON 11-30-00 AND IS STILL ON RESTRICTED. EMPLOYEE'S BOOT WAS CAUGHT BETWE EN CAB AND STEP OF TRUCK WHICH CAUSED STRAIN TO HER LEFT KNEE.