Mining Incidents

Vernalis Plant Metal/Non-Metal

Teichert Aggregates · Surface
Controlled by Teichert Inc
tracy, San Joaquin County, CA  ·  Active
MSHA Mine ID: 0402792

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Fatalities
0
Total incidents
31
Years on record
2000–2021
Latest incident
Sep 2021
Compliance record
MSHA citations since 2000
105
citations
17
significant & substantial
$36,013
proposed penalties
$30,616
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 36,267 3 0 82.7
2025 Q3 38,914 0 0 0.0
2025 Q2 33,456 2 0 59.8
2025 Q1 5,800 0 0 0.0
2024 Q3 4,976 11 0 2210.6
2024 Q2 34,811 0 0 0.0
2023 Q4 31,037 0 0 0.0
2023 Q2 41,565 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

2021 · 3 incidents

September 24, 2021 CA · Metal/Non-Metal electrician, lineman HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

Employee was using utility knife to cut and remove the nylon strap around a box; as employee is cutting the strap, EE's hand slipped causing the knife to cut into EE's right forearm.

June 9, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Contact with hot objects or substances

Slag fell on employee's left pant leg that caused burn to left shin

2020 · 2 incidents

October 1, 2020 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator OTHER
Teichert Aggregates · Struck by flying object

Employee setting up backhoe to begin clearing area near tunnel when EE felt discomfort in left eye. Employee continued to work for some time before attempting to remove object with eye wash. When object did not come out, employee was taken to clinic where metal shard was removed.

July 14, 2020 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Teichert Aggregates · Struck against stationary object

After taking break miner was walking to gather tools to complete a housekeeping project. Miner slid left hand into pocket (while wearing gloves), where open pocket knife cut the top of miner's hand just above the thumb.

2019 · 1 incident

July 9, 2019 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

A scraper operator was headed eastbound through the bottom of the pit when the back end of the scraper lost traction. The scraper spun around and eventually grabbed traction as it slowed down. Momentum caused the scraper to tip onto it's side.

2018 · 1 incident

June 19, 2018 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Caught in, under or between a moving and a stationary object

While replacing bin pulley assembly, employee was removing a bolt with a 1/2 impact and a 15\16 ratcheted box end wrench. The wrench spun, trapping finger between the wrench and the bracing resulting in the loss of the tip of left ring finger.

2017 · 1 incident

September 15, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Struck by falling object

While removing the retarder on a 633 mega scraper the retarder valve fell and struck the employee in the eye area. The employee was wearing safety glasses at the time of the incident. The angle of the falling valve knocked the glasses off and the employee got cut by the sharp metal of the valve. Employee sustained two lacerations on outside of right eyelid.

2015 · 1 incident

March 12, 2015 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor OTHER
Teichert Aggregates · Bodily reaction, (Not Elsewhere Classified)

aggressively walking

2014 · 1 incident

February 14, 2014 CA · Metal/Non-Metal utility man, shift tech, service/dump truck operator HANDLING OF MATERIALS
Teichert Aggregates · Caught in, under or between a moving and a stationary object

Employee was exiting skid steer and employee was standing on the right tire. When employee stepped down with right foot, employee's left foot got hung up in the tire tread causing pain in the left knee.

2011 · 2 incidents

September 8, 2011 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler DISORDERS (REPEATED TRAUMA)
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

The employee's job is to grease and lube moving parts at the rock plant on a daily basis. This is a repetitive motion type of injury with a cumulative affect.

April 29, 2011 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Teichert Aggregates · Fall from machine

Employee's loader wouldn't start so he climbed down to check the battery box and move the cables. He then decided to climb back up on the loader using only the hand rail next to the engine compartment. He lost his grip and fell on his back. The operator didn't report the incident to management until June 17th, 2011.

2010 · 2 incidents

September 8, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Caught in, under or between running or meshing objects

Employee was removing timing belt / pulley from CA Screen #2 when his left hand got caught between the pulley and the belt.

June 7, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech DISORDERS (REPEATED TRAUMA)
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

Employee complaining of on-going pain, possibly due to carpal tunnel syndrome.

2009 · 2 incidents

August 31, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

After driving a pry bar into the packing gland of a water pump to loosen the packing, the employee tapped the pry bar to remove it and the bar sprang out and hit him in the forehead.

July 27, 2009 CA · Metal/Non-Metal outside foreman, leadman MACHINERY
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

Employee was cleaning inside of driveover feeder at Thoming pit using a demolition hammer. While he was cleaning the side walls he strained his right elbow and arm. His fingers began to go numb. The employee reported it to his supervisor but said that he did not require medical treatment.

2007 · 4 incidents

July 10, 2007 CA · Metal/Non-Metal pumper HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by falling object

Employee was removing liners with a pry bar in the rodmill. The liner was in the 10 O'clock position. When it broke loose it fell to the bottom of the barrel at approximately the 4 O'clock position and hit employee on the foot above the protective toe of his boot.

March 7, 2007 CA · Metal/Non-Metal grader operator, roadgrader operator POWERED HAULAGE
Teichert Aggregates · Struck against a moving object

Employee claims he was injured while operating scraper on bumpy road.

January 20, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Over-exertion in lifting objects

While moving a piece of steel by hand in the steel yard, employee twisted his back.

January 12, 2007 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

Employee was cleaning out a screen and hit his finger with a hammer

2006 · 1 incident

March 28, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

A verbal incident turned physical. One person grabbed the other person's hand and twisted it.

2005 · 1 incident

August 31, 2005 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler MACHINERY
Teichert Aggregates · Struck against stationary object

Changing bit in electric drill resulted in laceration to web of right hand.

2003 · 1 incident

October 28, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

EE WAS GRINDING WITH A 4-1/2" HAND GRINDER AND THE GRINDER KICKED BACK AND STRUCK EE IN THE FACE.

2002 · 2 incidents

November 7, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck against stationary object

WHILE INSTALLING A GUARD, EE HIT HIS LEFT ELBOW ON A UNISTRUT THAT WAS HANGING DOWN.

September 9, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

EE WAS SITTING ON THE SCREEN DECK HE TURNED TO PUT HIS TOOLS IN A TOOL BOX AND PULLED SOMETHING IN HIS BACK.

2001 · 4 incidents

November 16, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Struck against stationary object

EMPLOYEE WAS CUTTING SOME NOTS OFF WITH CUTTING TORCH IN A DISCHARGE CHUTE. A FIRE STARTED AND IN THE EMPLOYEE'S HASTE TO EVACUATE, HE BUMPED INTO THE FEED CHUTE AND BRUISED HIS RIBCAGE.

October 8, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

WHILE SITTING ON A 16" PIPE EMPLOYEE WAS TRIMMING BELTING TO FORM A SEAL AROUND PIPE. AS HE WAS MAKING HIS LAST CUT THE UTILITY KNIFE CAME THROUGH THE BELT EASIER AND FASTER THAN HE WAS EXPECT ING AND WENT ACROSS HIS RIGHT LEG CUTTING IT OPEN ABOUT 3".

April 9, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck by... (Not Elsewhere Classified)

BARRING DOWN ON BUILD-UP ON THE INSIDE OF A CONE CRUSHER MAIN FRAME. LARGE PIECE DISLODGED LEVERAGING BAR INTO THE RIB CAGE.

January 6, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Teichert Aggregates · Struck by falling object

AS EE WAS CUTTING PLATE WITH A TORCH SCRAP PIECEFELL & CUT RT THIGH

2000 · 2 incidents

October 5, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Teichert Aggregates · Struck against stationary object

ATTEMPTING TO LOOSEN BOLT A V TRAP STRAINER, BOLT RELEASED, SOCKET SLIPPED OFF BOLT HEAD. RIGHT ELBOW STRUCK SCREEN CHUTE. INFECTION SET IN WITH NO EVIDENCE OF SKIN RUPTURE.

May 8, 2000 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman POWERED HAULAGE
Teichert Aggregates · Over-exertion (Not Elsewhere Classified)

EMPLOYEE WAS OPERATING BOBCAT AND FELT PAIN IN NECK. IT GOT WORSE WHEN HE LIFTED A HAMMER PRE-PARING TO HIT A ROLLER.