Mining Incidents

TRP-Los Banos Plant Metal/Non-Metal

Controlled by Vulcan Materials Company
Los Banos, Merced County, CA  ·  Active
MSHA Mine ID: 0401843

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Fatalities
0
Total incidents
14
Years on record
2000–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
79
citations
22
significant & substantial
$82,090
proposed penalties
$11,286
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 8,498 2 0 235.3
2025 Q3 10,367 0 0 0.0
2025 Q1 1,829 0 0 0.0
2024 Q4 8,935 1 0 111.9
2024 Q3 2,117 0 0 0.0
2024 Q2 9,896 0 0 0.0
2024 Q1 2,889 0 0 0.0
2023 Q4 6,081 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

14 on file

2025 · 1 incident

August 25, 2025 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Triangle Rock Products · Over-exertion (Not Elsewhere Classified)

ON 9/26/2025, EMPLOYEE RECEIVED MEDICAL TREATMENT FOR (L) KNEE AND WAS PLACE ON RESTRICTED DUTY WHICH CANNOT BE ACCOMODATED. THE EMPLOYEE REPORTED NUMBNESS TO THE BACK OF THE KNEE AND EE WAS DIAGNOSED WITH (L) KNEE DERANGEMENT. NOTE: EE REPORTED THE NUMBNESS LATE.

2024 · 1 incident

December 20, 2024 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Triangle Rock Products · Caught in, under or between a moving and a stationary object

Quality control technician was adjusting the forks on a Gradall forklift & placed right hand between the back of the fork and the back of the attachment, resulting in a laceration to the right ring finger and small finger.

2022 · 1 incident

May 2, 2022 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Triangle Rock Products · Over-exertion (Not Elsewhere Classified)

While running to assist customer, EE felt a pain in EE's right knee. EE was treated at clinic and was prescribed work restrictions.

2019 · 1 incident

November 6, 2019 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Triangle Rock Products · Struck by falling object

On 11/7/19 the employee received stitches to close a laceration. While hosing the catwalk near the feeder, the feeder became clogged, and a rock fell out striking the employee on EE's hand resulting in a laceration to the right index finger.

2018 · 1 incident

February 21, 2018 CA · Metal/Non-Metal outside foreman, leadman STEPPING OR KNEELING ON OBJECT
Triangle Rock Products · Struck against stationary object

Employee requested medical treatment on 2/21/18 and was prescribed work restrictions by the occupational physician. The employee alleged that ee stepped on a rock, felt two pops in L-knee and felt pain. This is an alleged, non-witnessed questionable event.

2017 · 1 incident

August 16, 2017 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Triangle Rock Products · Fall to the walkway or working surface

On 8/16/17, the employee received medical treatment for a right wrist fracture, was placed on restricted duty which was accommodated and subsequently lost time on 8/28/17. The employee's pant was caught on a fence post that was leaning against a truck while walking backward carrying a fence with a co-worker. This caused EE to fall backward; EE used arm to break the fall.

2016 · 1 incident

January 25, 2016 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Triangle Rock Products · Fall from machine

On 1-25-16 the employee received medical treatment for a L-wrist fracture and lost time from work. The employee, while descending a loader, missed the last step and fell backwards onto the ground.

2015 · 1 incident

December 7, 2015 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Triangle Rock Products · Struck against a moving object

Early morning hours, to past of speed for corner. Top heavy load on trailer. Trailer turned on side taking truck with it.

2008 · 1 incident

September 5, 2008 CA · Metal/Non-Metal pumper HANDLING OF MATERIALS
Triangle Rock Products · Struck by... (Not Elsewhere Classified)

The employee went to the company clinic on 9/5/08 and was placed on restricted duty; R-knuckle required sutures. The employee cut R-hand (ring finger knuckle) on shop truck tail gate access cover plate while removing spare water truck tire.

2005 · 1 incident

April 3, 2005 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Calmat Co. · Over-exertion (Not Elsewhere Classified)

Employee went to see company doctor on 4/3/05 and was placed on restricted work. While returning tools to the shop, employee stepped onto unlevel ground and twisted L-ankle.

2003 · 1 incident

August 26, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Calmat Co. · Struck by falling object

EMPLOYEE WAS ATTEMPTING TO REMOVE FEEDBOX/SPLASH PAN TO 6'X16" VIBRATING SCREEN WITH THE HELP OF TWO COME-ALONGS. THE SCREEN FEEDBOX SWUNG DOWN AND STRUCK HIS LEFT THIGH CAUSING A CONTUSION AF TER BEING UNBOLTED FROM SCREEN. EMPLOYEE WENT TO SEE COMPANY DOCTOR ON 8/27/03 AND WAS PLACED ON RESTRICTED DUTY.

2001 · 2 incidents

April 13, 2001 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Calmat Co. · Over-exertion in lifting objects

EE WAS LIFTING A GARBAGE CAN LOADED WITH METAL &TRASH FROM A DUMPSTER & STRAINED HIS LOWER BACK.HE WENT TO COMPANY DOCTOR ON 4/16 & WAS PLACED ON RESTRICTED DUTY 1 DAY & TEMP. TOTAL DIS. 1 DAY

March 7, 2001 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Calmat Co. · Struck by falling object

EMPLOYEE WENT TO SEE THE DOCTOR ON 3/7/01 WHO PRESCRIBED PRESCRIPTION MEDICATION AND WAS RETURNED TO FULL DUTY. WHEN CROSSING UNDERNEATH CONVEYOR INSPECTION BELT TRAVEL, DIRT FELL FROM CONVEYO R BEHIND EMPLOYEE'S SAFETY GLASSES INTO RIGHT EYE.

2000 · 1 incident

July 24, 2000 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler HANDLING OF MATERIALS
Calmat Co. · Struck against stationary object

EE WENT TO SEE DR. ON 7-24 WHO APPLIED STITCHES.EE JUST FINISHED A REPAIR, HIS RIGHT ARM WAS EXTENDED UP AND WHEN HE LOWERED IT HE CUT IT ON THE GUARD.