Mining Incidents

TRP-Los Banos Plant Metal/Non-Metal

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

TRP-Los Banos Plant has $82K in proposed MSHA penalties and $71K outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
24
Years on record
1989–2025
Latest incident
Aug 2025
Compliance record
MSHA citations since 2000
81
citations
22
significant & substantial
$82,090
proposed penalties
$11,286
paid to date
14% of proposed penalties paid to date, a $70,804 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
65
inspections on record
1,004
inspection hours
8.1
citations per 100 inspection hours
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
81 citations across 1,004 inspection hours.
Source: MSHA inspections data, updated weekly.

TRP-Los Banos Plant has $82K in proposed MSHA penalties and $71K outstanding across 0 contested dockets.

Penalty disposition
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.
$82K
proposed penalties
$82K
current assessed
$11K
paid to date
$71K
outstanding
79 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-11-12.
Source: MSHA assessed-violations and conference/litigation data, updated weekly.
Quarterly safety rates
Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
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 Q2 9,093 1 0 110.0
2025 Q1 8,783 0 0 0.0
2024 Q4 8,935 1 0 111.9
2024 Q3 10,574 0 0 0.0
2024 Q2 9,896 0 0 0.0
2024 Q1 9,083 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 8,481 0 0 0.0
2023 Q3 8,565 0 0 0.0
2023 Q2 8,021 0 0 0.0
2023 Q1 6,707 0 0 0.0
2022 Q4 7,314 0 0 0.0
2022 Q3 8,431 0 0 0.0
2022 Q2 8,691 0 0 0.0
2022 Q1 7,975 0 0 0.0
2021 Q4 7,955 0 0 0.0
2021 Q3 9,119 1 0 109.7
2021 Q2 9,407 0 0 0.0
2021 Q1 8,295 1 0 120.6
2020 Q4 8,596 0 0 0.0
2020 Q3 8,600 0 0 0.0
2020 Q2 7,614 0 0 0.0
2020 Q1 8,843 1 0 113.1
2019 Q4 7,460 0 0 0.0
2019 Q3 8,698 0 0 0.0
2019 Q2 9,369 0 0 0.0
2019 Q1 7,354 0 0 0.0
2018 Q4 7,236 0 0 0.0
2018 Q3 8,658 0 0 0.0
2018 Q2 8,717 0 0 0.0
2018 Q1 8,512 0 0 0.0
2017 Q4 7,933 0 0 0.0
2017 Q3 8,903 0 0 0.0
2017 Q2 7,973 0 0 0.0
2017 Q1 7,864 0 0 0.0
2016 Q4 7,861 0 0 0.0
2016 Q3 10,467 0 0 0.0
2016 Q2 9,140 0 0 0.0
2016 Q1 9,170 1 0 109.1
2015 Q4 8,060 2 2 248.1
2015 Q3 10,692 0 0 0.0
2015 Q2 9,543 2 1 209.6
2015 Q1 8,859 0 0 0.0
2014 Q4 7,291 0 0 0.0
2014 Q3 9,364 4 1 427.2
2014 Q2 8,752 0 0 0.0
2014 Q1 6,960 0 0 0.0
2013 Q4 7,030 4 1 569.0
2013 Q3 6,974 0 0 0.0
2013 Q2 5,752 9 4 1564.7
2013 Q1 6,332 1 0 157.9
2012 Q4 6,409 0 0 0.0
2012 Q3 6,304 0 0 0.0
2012 Q2 6,601 2 0 303.0
2012 Q1 5,832 0 0 0.0
2011 Q4 5,106 1 1 195.8
2011 Q3 4,853 0 0 0.0
2011 Q2 5,384 4 1 742.9
2011 Q1 4,673 0 0 0.0
2010 Q4 4,361 1 1 229.3
2010 Q3 5,737 0 0 0.0
2010 Q2 5,431 1 0 184.1
2010 Q1 4,347 0 0 0.0
2009 Q4 4,070 0 0 0.0
2009 Q3 5,557 0 0 0.0
2009 Q2 5,428 4 0 736.9
2009 Q1 5,559 2 1 359.8
2008 Q4 6,607 0 0 0.0
2008 Q3 8,945 0 0 0.0
2008 Q2 12,535 0 0 0.0
2008 Q1 13,776 0 0 0.0
2007 Q4 13,395 1 0 74.7
2007 Q3 15,662 0 0 0.0
2007 Q2 15,972 1 0 62.6
2007 Q1 16,657 0 0 0.0
2006 Q4 13,524 4 0 295.8
2006 Q3 13,235 0 0 0.0
2006 Q2 13,113 2 0 152.5
2006 Q1 13,432 0 0 0.0
2005 Q4 13,058 4 1 306.3
2005 Q3 12,155 0 0 0.0
2005 Q2 10,907 0 0 0.0
2005 Q1 10,682 4 1 374.5
2004 Q4 7,958 0 0 0.0
2004 Q3 9,392 0 0 0.0
2004 Q2 9,470 0 0 0.0
2004 Q1 8,293 4 0 482.3
2003 Q4 9,659 0 0 0.0
2003 Q3 10,872 0 0 0.0
2003 Q2 10,119 0 0 0.0
2003 Q1 8,360 3 1 358.9
2002 Q4 8,861 0 0 0.0
2002 Q3 7,951 0 0 0.0
2002 Q2 7,491 0 0 0.0
2002 Q1 7,378 2 1 271.1
2001 Q4 7,195 0 0 0.0
2001 Q3 7,570 0 0 0.0
2001 Q2 8,412 2 1 237.8
2001 Q1 8,495 2 1 235.4
2000 Q4 9,104 0 0 0.0
2000 Q3 8,543 0 0 0.0
2000 Q2 10,610 0 0 0.0
2000 Q1 9,477 5 3 527.6
No fatalities recorded at this mine.

Reportable incidents

24 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.

1998 · 1 incident

January 23, 1998 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Los Banos Gravel Company Inc · Struck by flying object

USING A HAMMER TO HIT OFF EDGES FROM A PIECE OF METAL FRAGMENT HIT LEFT EYE BELOW THE GOGGLES.

1997 · 2 incidents

October 14, 1997 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Los Banos Gravel Company Inc · Struck by... (Not Elsewhere Classified)

WORKING ON SCRUBBER WITH HAMMER & HIT OWN INDEX FINGER.

1996 · 1 incident

October 7, 1996 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Los Banos Gravel Company Inc · Struck by falling object

WAS REPLACING SCREEN ON WASH PLANT. SCREEN SLIPPED BACK AND HIT HIS KNEE CAP.

1995 · 2 incidents

August 9, 1995 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Los Banos Gravel Company Inc · Struck by falling object

WAS UNBOLTING 8" PIPE TO REMOVE IT. PIPE FELL AND LANDED ON FOOT.

May 13, 1995 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
Los Banos Gravel Company Inc · Struck by flying object

EE WAS INSIDE SCRUBBER AND COWORKER WAS ON THE OUTSIDE TIGHTENING A BOLT. THE BOLT, UNDER PESSURE, BROKE AND SHOT UP, HITT EE IN THE EYE.

1994 · 2 incidents

October 29, 1994 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Los Banos Gravel Company Inc · Fall to the walkway or working surface

CLEANIGN AROUND THE WASH PLANT. SLIPPED ON WET SPOT CAUSING HIM TO DO THE SPLITS. THAT CAUSED A GROIN PULL ON THE INSIDE OF HIS LEG.

June 2, 1994 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver HANDTOOLS (NONPOWERED)
Los Banos Gravel Company Inc · Over-exertion in lifting objects

CLEANING GRIZZLEY ON CRUSHING PLANT. POSSIBLE STRAINED LEFT SHOULDER.

1993 · 1 incident

February 5, 1993 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Los Banos Gravel Company Inc · Over-exertion in pulling or pushing objects

PULLING A CONVEYOR BELT AND TWISTED HIS BACK.

1989 · 1 incident

March 21, 1989 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Los Banos Gravel Company Inc · Struck by flying object

DRIVING EUCILUD PUT TRUCK. OPENED SIDE WINDOW DUST BLEW INTO EYE CAUSING IRRATATION WENT TO LOCAL EMERGENCY ROOM.

For insurers, brokers, and safety consultants

The full compliance file on TRP-Los Banos Plant

A dated report covering the 26-year penalty trail, line-item violation pattern, contest and docket posture, rate-normalized peer benchmark, and full fatality history. Delivered as a PDF with the underlying data as CSV.