Mining Incidents

Oat Pit Metal/Non-Metal

Controlled by Vulcan Materials Company
Holtville, Imperial County, CA  ·  Intermittent
MSHA Mine ID: 0405082

Oat Pit has $4K in proposed MSHA penalties and $0 outstanding across 0 contested dockets, plus health sampling and the full incident record.

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Fatalities
0
Total incidents
45
Years on record
1990–2003
Latest incident
Feb 2003
Compliance record
MSHA citations since 2000
42
citations
5
significant & substantial
$3,683
proposed penalties
$3,355
paid to date
91% of proposed penalties paid to date, a $328 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
17
inspections on record
275
inspection hours
n/a
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.
Rate withheld: 275 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.

Oat Pit has $4K in proposed MSHA penalties and $0 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.
$4K
proposed penalties
$3K
current assessed
$3K
paid to date
$0
outstanding
42 assessments are final orders; 0 contested dockets.
As of the most recent assessment on 2025-03-27.
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 Q3 0 0 0
2025 Q2 0 0 0
2025 Q1 0 2 0
2024 Q4 87 0 0 0.0
2024 Q3 189 0 0 0.0
2024 Q2 548 0 0 0.0
2024 Q1 312 1 0 3205.1
2023 Q4 576 0 0 0.0
Show 37 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q3 358 0 0 0.0
2023 Q2 887 0 0 0.0
2023 Q1 307 0 0 0.0
2022 Q4 310 0 0 0.0
2022 Q3 264 0 0 0.0
2022 Q2 420 1 0 2381.0
2022 Q1 217 0 0 0.0
2021 Q4 222 0 0 0.0
2021 Q3 688 0 0 0.0
2021 Q2 544 1 0 1838.2
2021 Q1 309 0 0 0.0
2020 Q4 451 0 0 0.0
2020 Q3 284 0 0 0.0
2020 Q2 275 0 0 0.0
2020 Q1 493 0 0 0.0
2019 Q4 269 0 0 0.0
2019 Q3 295 0 0 0.0
2019 Q2 296 0 0 0.0
2019 Q1 231 0 0 0.0
2018 Q4 523 0 0 0.0
2018 Q3 16 0 0 0.0
2018 Q2 520 0 0 0.0
2018 Q1 663 0 0 0.0
2003 Q3 1,635 2 0 1223.2
2003 Q1 6,073 0 0 0.0
2002 Q4 9,829 0 0 0.0
2002 Q3 11,260 5 1 444.0
2002 Q2 11,765 0 0 0.0
2002 Q1 13,485 15 2 1112.3
2001 Q4 12,213 0 0 0.0
2001 Q3 15,378 4 0 260.1
2001 Q2 14,267 0 0 0.0
2001 Q1 16,716 0 0 0.0
2000 Q4 10,673 0 0 0.0
2000 Q3 19,537 11 2 563.0
2000 Q2 17,730 0 0 0.0
2000 Q1 18,877 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

45 on file

2003 · 1 incident

February 14, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Struck against stationary object

HE WAS CLIMBING LADDER AND HIT KNEE ON STEP.

2000 · 2 incidents

May 31, 2000 CA · Metal/Non-Metal driver, jeep driver, tractor operator POWERED HAULAGE
Superior Ready Mix Concrete L P · Struck against a moving object

THE OPERATOR WAS WATERING HAUL ROAD, STOPPED AT TOP OF HILL & STARTED TO BACK UP; IT WAS TOO WET AND HE LOST AIR PRESSURE, GOT OUT OF GEAR & DROVE TRUCK INTO BANK. WATER TRUCK STOPPED, THEN W ATER IN TANK SHIFTED FORWARD, CAUSING THE TRUCK TO ROLL ON SIDE.

1999 · 3 incidents

June 19, 1999 CA · Metal/Non-Metal mine manager, mine foreman, mine owner SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Fall from machine

EMPLOYEE STEPPED DOWN OFF THE PLATFORM ON THE CRANE APPROX 3 FEET AND STRAINED HIS RIGHT KNEE.EMPLOYEE DID NOT TELL HIS SUPERVISOR ABOUT HIS INJURY UNTIL 7-6-99.

March 10, 1999 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EE WAS USING A SLEDGE HAMMER TO REMOVE TOOTHON THE LOADER BUCKET & IT SPLINTER OFF & HIT HISFOREARM

1998 · 2 incidents

June 19, 1998 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Fall from machine

THE EE WAS GETTING DOWN OFF THE LOADER AND THE STEEL CABLE ROPE BROK OFF THE BOTTOM LAST STEP 20" FROM THE GROUND.

January 5, 1998 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Struck by falling object

OXYGEN TANK SLIPPED FROM HIS HANDS AND DROPPED ONTO HIS LEFT GREAT TOE-WHILE LOADING THEM INTO THE TRUCK.

1997 · 5 incidents

September 18, 1997 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EMPLOYEE TRIED TO PRY OUT A ROCK BETWEEN THE GRIZZLEY WITH A 4' BAR. AS HE STRUCK THE ROCK, HE LOST HIS GRIP AND THE BAR STRUCK HIM IN THE SHOULDER.

August 22, 1997 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by flying object

THE EMPLOYEE WAS REMOVING THE TOOTH OFF THE BUCKET AND AS HE STRUCK THE TOOTH WITH THE CLAW HAMMER A FRAGMENT OF METAL CAME OFF THE BUCKET AND WENT INTO HIS LEFT UPPER LEG.

April 10, 1997 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
Superior Ready Mix Concrete L P · Struck against stationary object

THE EE STEPPED ON A LARGE COBBLE STONE AND TWISTED HIS LEFT ANKLE AS HE STEPPED OFF THE LADDER ON THE SCRAPER.

January 16, 1997 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Caught in, under or between (Not Elsewhere Classified)

THE EE WAS REMOVING SAND FROM THE GRIZZLY AND HIS LEFT FOOT SLIPPED AND FELL BETWEEN THE BARS OFTHE GRIZZLY

1996 · 6 incidents

December 11, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Fall onto or against objects

LEAVING MEETING FROM LUNCH ROOM. THE EE WAS GOING DOWN METAL STEPS AND SLIPPED. AS HE FELL, HE TRIED TO CATCH HIMSELF, AND HIT HIS PALM ON THE METAL BRACE.

December 7, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Superior Ready Mix Concrete L P · Struck by flying object

THE EE WAS GRINDING METAL FOR WELDING AND A PARTICLE FLEW UNDERNEATH HIS SAFETY GLASSES AND HIT HIS LEFT EYE.

November 9, 1996 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Over-exertion in lifting objects

LIFTING DOOR ON GRIZZLEY TO CLEAN OUT DIRT UNDER CONVEYOR BELT AT TAIL PULLY. STRAINED NECK FROM LIFTING AT A BAD ANGLE.

September 26, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Struck by flying object

EE WENT TO INSPECT A AIR LEAK. AS HE WAS CHECKING THE PIPE, THE CAP BLEW OFF FROM THE PRESSURE AND HIT HIS LEFT HAND CAUSING A LACERATION TO HIS LEFT HAND.

September 24, 1996 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Struck against stationary object

EE OPENED A CAN OF WELDING ROD. AS HE TRIED TO GET THE WELDING ROD OUT HIS RT PALM SLID ACROSS THE LID AND CUT HIS RT PALM.

March 7, 1996 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Contact with hot objects or substances

THE LOADERS TEMPERATURE GAUGE WAS RUNNING HOT. AS THE EE MADE TWO FULL TURNS ON THE RADIATOR CAP, THE WATER STARTED TO SQUIRT OUT & BURNED HIS LEFT FOREARM & THIGH.

1995 · 7 incidents

September 25, 1995 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Contact with hot objects or substances

AS THE EMPLOYEE WAS LOOSENING THE RADIATOR CAP ON THE BOBCAT, WATER AND STEAM CAME OUT AND BURNED HIS LEFT HAND.

July 26, 1995 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Superior Ready Mix Concrete L P · Caught in, under or between (Not Elsewhere Classified)

EE HAD JUST DISCONNECTED THE ELECTRICITY TO THE BAG HOUSE AUGER. THE AUGER DID NOT COME TO A COMPLETE STOP BEFORE HE PUT HIS HAND INSIDE.

July 24, 1995 CA · Metal/Non-Metal belt foreman, maintenance foreman, maintenance supervisor HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EE WAS PUTTING THE SLEDGE HAMMER BACK INTO THE HOLDER. HE DID NOT RELAIZE THAT HIS FINGER WAS STILL NOT CLEAR ON THE LAST INCH OF THE EDGE AND WHEN THE SLEDGE HAMMER CAME DOWN IT CUT THE T IP OF HIS FINGER.

April 27, 1995 CA · Metal/Non-Metal welder (shop) MACHINERY
Superior Ready Mix Concrete L P · Struck by flying object

BRUSHING A WELD INSIDE BOX. HEAD AND SHIELD WERE INSIDE BOX AND A BIT OF TRASH BLEW BEHIND SHIELD.

February 22, 1995 CA · Metal/Non-Metal welder (shop) MACHINERY
Superior Ready Mix Concrete L P · Struck against a moving object

WORKER WAS GRINDING. WHEN THE GRINDING WHEEL HIT A HOLE IT KICKED BACK STRIKING WORKER IN THE NOSE.

1994 · 5 incidents

December 30, 1994 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EMPLOYEE WAS CUTTING A BELT FOR THE CARROUSEL CRUSHER. AS HE WAS CUTTING THE UTILITY KNIFE WENT THRU THE BELT AND CUT HIS RIGHT LEG ABOVE THE KNEE.

September 27, 1994 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EMPLOYE EWAS CUTTING A PLASTIC WATER HOSE. AS HE WAS CUTTING, THE UNTILITY KNIFE SLIPPED OUT OF HT EHOSE AND CUT HIS LEFT TOP OF HIS HAND BETWEEN THE INDEX FINGER AND THUMB.

June 13, 1994 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech OTHER
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

WHILE THE EMPLOYEE WAS REBUILDING THE BOWL ON THE GYRO-DISC CRUSHER THE WINDS BLEW SOMETHING INTO HIS LEFT EYE. ON 7-12-94 THE EMPLOYEE WENT TO SHARP REES-STEALY.

February 26, 1994 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman MACHINERY
Superior Ready Mix Concrete L P · Struck by falling object

AS THE EE WAS REMOVING THE DOOR FROM THE CRUSHER THERE WAS EXCESS DIRT TRAPPED ON THE OTHER SIDE CAUSING THE DOOR TO FALL ON TOP OF HIM.

1993 · 2 incidents

May 13, 1993 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Superior Ready Mix Concrete L P · Over-exertion in lifting objects

WHILE HE WAS PICKING UP A BELT TO GET IT ON LINE HE FELT A SHARP PAIN IN HIS LOWER BACK.

March 9, 1993 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Superior Ready Mix Concrete L P · Caught in, under or between a moving and a stationary object

WHILE EMPLOYEE WAS INSTALLING A CYLINDER ON A WHEEL LOADER THE HYDRAULIC CAME DOWN SMASHING RIGHT FINGER.

1992 · 1 incident

July 14, 1992 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator OTHER
Superior Ready Mix Concrete L P · Inhalation of radiations, caustics, toxic and noxious substances

38505E WAS OPERATING A LOADER AGAINST THE WIND. THE CONTINUAL EXPOSURE TO THE DUST CAUSED IRRITATION HE WAS INSTRUCTED TO WEAR A MASK AND OPERATE THE LOADER WITH THE WIND BUT DID NOT COMPLY.

1991 · 7 incidents

November 5, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Superior Ready Mix Concrete L P · Struck by flying object

EMPLOYEE WAS MAKING REPAIRS ON A CONVEYOR WHILE USING A GRINDER ON THE GYRO CONVEYOR A PIECE OF SLAG FELL INTO HIS EYE

October 30, 1991 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

HE WAS REMOVING A PIN FROM A TRIPLE DECKER SCREEN THE PIN WAS UNDER PRESSURE POPPED OUT & STRUCK THE EMPLOYEE ABOVE THE LEFT EYE

September 24, 1991 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

THE EMPLOYEE WAS REMOVING RIPPER TEETH FROM A DOZER WHEN A PIECE OF METAL CHIPPED OFF AND ENTERED HIS LEFT CALF.

September 18, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Over-exertion (Not Elsewhere Classified)

HE WAS WORKING ON A GYRO SCREEN THEN STARTED TO CLIMB OUT PLACING HIS FOOT ON A BOLT HIS FOOT SLIPPED & TWISTED HIS LEFT KNEE

September 6, 1991 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer MACHINERY
Superior Ready Mix Concrete L P · Caught in, under or between a moving and a stationary object

HE WAS REMOVING A SOCKET FROM A 66" GYRO DISC CRUSHER USING A ONE INCH AIR IMPACT WRENCH. THE WRENCH SLIPPED FROM HIS HAND, AS HE GRABBED FOR IT, HIS HAND WAS CAUGHT BETWEEN THE SIDE OF THE CR USHER AND THE WRENCH.

April 30, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Superior Ready Mix Concrete L P · Over-exertion (Not Elsewhere Classified)

HE WAS WORKING ON A 359 GNERATOR WITH A WRENCH. HIS WRENCH SLIPPED OFF A NUT CAUSING DAMAGE TO HIS LEFT WRIST.

April 24, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Superior Ready Mix Concrete L P · Struck by... (Not Elsewhere Classified)

WORKING ON LOADER FELL OFF LOADER HIT SELF IN HEAD ABOVE THE L EYE WITH WRENCH

1990 · 4 incidents

July 17, 1990 CA · Metal/Non-Metal welder (shop) MACHINERY
Superior Ready Mix Concrete L P · Struck by falling object

HE WAS ADJUSTING IDLE ROLLER ON IMPACTOR WHEN ROCK CAME OUT OF IMPACTOR & HIT RIGHT LEG.

June 29, 1990 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Superior Ready Mix Concrete L P · Over-exertion (Not Elsewhere Classified)

AFTER DRIVING ON THE ROUGH AND BUMPY ROAD IN AND OUT OF THE ROCK QUARRY, THE EMPLOYEE BEGAN TO HAVE LOWER BACK PAIN. THE APIN CAME ON GRADUALLY OVER A PERIOD OF A COUPLE OF WEEKS.

For insurers, brokers, and safety consultants

The full compliance file on Oat Pit

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.