Mining Incidents

IRWINDALE PLANT Metal/Non-Metal

Controlled by Colas S A
Irwindale, Los Angeles County, CA  ·  Active
MSHA Mine ID: 0401763

IRWINDALE PLANT has $453K in proposed MSHA penalties and $10K outstanding across 40 contested dockets, plus health sampling and the full incident record.

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Fatalities
2
Total incidents
70
Years on record
1987–2021
Latest incident
Jul 2021
Compliance record
MSHA citations since 2001
456
citations
86
significant & substantial
$452,940
proposed penalties
$324,008
paid to date
72% of proposed penalties paid to date, a $128,931 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2001
93
inspections on record
2,513
inspection hours
18.1
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.
456 citations across 2,513 inspection hours.
Source: MSHA inspections data, updated weekly.

IRWINDALE PLANT has $453K in proposed MSHA penalties and $10K outstanding across 40 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.
$453K
proposed penalties
$334K
current assessed
$324K
paid to date
$10K
outstanding
448 assessments are final orders; 40 contested dockets.
As of the most recent assessment on 2026-02-18.
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 22,684 0 0 0.0
2025 Q3 22,846 4 0 175.1
2025 Q2 23,948 0 0 0.0
2025 Q1 25,850 14 3 541.6
2024 Q4 26,414 0 0 0.0
2024 Q3 24,554 14 3 570.2
2024 Q2 24,412 0 0 0.0
2024 Q1 23,694 0 0 0.0
Show 96 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 22,752 5 0 219.8
2023 Q3 22,229 19 1 854.7
2023 Q2 24,693 0 0 0.0
2023 Q1 21,719 0 0 0.0
2022 Q4 22,138 2 0 90.3
2022 Q3 22,496 11 1 489.0
2022 Q2 23,273 0 0 0.0
2022 Q1 20,277 3 0 148.0
2021 Q4 21,106 1 0 47.4
2021 Q3 21,786 0 0 0.0
2021 Q2 23,408 2 0 85.4
2021 Q1 23,494 3 1 127.7
2020 Q4 24,699 0 0 0.0
2020 Q3 24,764 0 0 0.0
2020 Q2 16,783 3 0 178.8
2020 Q1 23,397 3 1 128.2
2019 Q4 33,746 0 0 0.0
2019 Q3 25,896 5 1 193.1
2019 Q2 23,128 0 0 0.0
2019 Q1 21,286 0 0 0.0
2018 Q4 20,499 8 0 390.3
2018 Q3 24,986 11 0 440.2
2018 Q2 20,698 0 0 0.0
2018 Q1 19,134 21 5 1097.5
2017 Q4 21,606 0 0 0.0
2017 Q3 22,014 19 12 863.1
2017 Q2 18,268 0 0 0.0
2017 Q1 15,530 0 0 0.0
2016 Q4 16,394 5 2 305.0
2016 Q3 17,492 4 0 228.7
2016 Q2 16,493 0 0 0.0
2016 Q1 15,474 3 2 193.9
2015 Q4 18,344 12 4 654.2
2015 Q3 18,188 5 2 274.9
2015 Q2 16,741 0 0 0.0
2015 Q1 15,966 0 0 0.0
2014 Q4 15,950 1 1 62.7
2014 Q3 17,049 0 0 0.0
2014 Q2 16,458 4 0 243.0
2014 Q1 16,620 0 0 0.0
2013 Q4 17,593 4 0 227.4
2013 Q3 19,272 0 0 0.0
2013 Q2 17,211 3 0 174.3
2013 Q1 17,479 0 0 0.0
2012 Q4 20,686 3 0 145.0
2012 Q3 16,268 6 0 368.8
2012 Q2 17,808 1 0 56.2
2012 Q1 14,312 8 2 559.0
2011 Q4 17,977 0 0 0.0
2011 Q3 18,581 0 0 0.0
2011 Q2 18,581 5 1 269.1
2011 Q1 17,192 0 0 0.0
2010 Q4 25,202 8 3 317.4
2010 Q3 19,846 4 2 201.6
2010 Q2 18,937 14 1 739.3
2010 Q1 17,963 0 0 0.0
2009 Q4 18,228 9 2 493.7
2009 Q3 16,535 13 6 786.2
2009 Q2 18,969 0 0 0.0
2009 Q1 21,084 4 3 189.7
2008 Q4 25,275 3 1 118.7
2008 Q3 25,476 10 4 392.5
2008 Q2 22,998 0 0 0.0
2008 Q1 23,873 5 0 209.4
2007 Q4 21,366 14 3 655.2
2007 Q3 23,603 22 5 932.1
2007 Q2 24,612 0 0 0.0
2007 Q1 18,447 11 1 596.3
2006 Q4 24,526 0 0 0.0
2006 Q3 24,424 12 0 491.3
2006 Q2 22,671 0 0 0.0
2006 Q1 23,628 14 0 592.5
2005 Q4 24,479 0 0 0.0
2005 Q3 26,163 10 1 382.2
2005 Q2 23,155 0 0 0.0
2005 Q1 19,407 5 2 257.6
2004 Q4 24,143 0 0 0.0
2004 Q3 24,959 28 5 1121.8
2004 Q2 22,429 1 0 44.6
2004 Q1 23,114 12 1 519.2
2003 Q4 21,879 0 0 0.0
2003 Q3 28,806 12 0 416.6
2003 Q2 24,907 0 0 0.0
2003 Q1 26,264 10 2 380.7
2002 Q4 27,326 0 0 0.0
2002 Q3 30,171 9 0 298.3
2002 Q2 24,457 5 0 204.4
2002 Q1 27,877 0 0 0.0
2001 Q4 27,837 0 0 0.0
2001 Q3 21,022 5 0 237.8
2001 Q2 25,496 0 0 0.0
2001 Q1 21,362 0 0 0.0
2000 Q4 24,180 0 0 0.0
2000 Q3 32,135 0 0 0.0
2000 Q2 26,640 0 0 0.0
2000 Q1 24,356 0 0 0.0

Fatalities at this mine

2 recorded
August 19, 1997 CA · Metal/Non-Metal welder (shop) Fatality · SLIP OR FALL OF PERSON
United Rock Products Corp · Fall to lower level, (Not Elsewhere Classified)

EE FELL APPROX 12' FROM STRUCTURAL STEEL ONTO MOUTH OF TELSMITH CRUSHER WHICH WAS UNDER CONSTRUCTION. EE WAS WEARING HARD HAT, SAFETY GLASSES, NO FALL PROTECTION.

March 20, 1996 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech Fatality · HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

EMPLOYEE CAUSED SPREADER BAR TO TIP TOWARDS EMPLOYEE PINNING HIM AGAINST STEEL STORAGE CONTAINER.

Reportable incidents

68 on file (excluding fatalities above)

2021 · 1 incident

2017 · 2 incidents

October 18, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by rolling or sliding object

An employee was removing chute door. When they removed last bolt, door fell and rolled over the foot of another employee that was observing the work. Employee worked the rest of the day then stated the foot hurt. Employee was sent to clinic and diagnosed with a bruised great toe. Employee was placed on light duty, and was released to full duty on 10/24/2017.

October 17, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

Employee was using a utility knife to cut a piece of belt material to replace a skirt on hopper feeder #6. The utility knife slipped causing a small laceration to employees left leg. Employee was taken to the clinic and received 4 stitches then returned to full duty on same day. EE received a full discharge from care on 10/25/17.

2016 · 1 incident

October 16, 2016 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
United Rock Products Corp · Fall from machine

While installing a classifier on the wet site of plant, employee was welding on a new sand chute. At break time, the employee was descending the chute and foot slipped causing EE to fall on back. Employee seemed okay but was taken to the clinic to be checked out. Employee was put on light duty 10/16 and returned to full duty 10/18.

2015 · 3 incidents

December 3, 2015 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider IGNITION OR EXPLOSION OF GAS OR DUST
United Rock Products Corp · Struck by flying object

While welding, acetylene gas built up in the closed cabinet that housed the welding hose reel. The acetylene gas in the closed cabinet ignited and blew the door off the hinges, striking the employee in the left calf, causing a laceration. UPDATE 12/4 - Fractured bone in knees. Surgery on 12/4 to USC LA County hospital

November 13, 2015 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
United Rock Products Corp · Fall from machine

Dragline Operator slipped while washing windshield and fell less than 4 feet to the ground. Operator was taken to the clinic and diagnosed with a bruise/contusion to the posterior, back. He was placed on light duty for a week.

August 22, 2015 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider MACHINERY
United Rock Products Corp · Flash burns (welding)

Employee was welding during his shift and later started feeling discomfort in his eyes. He reported discomfort on Monday 8/24/2015 and was sent to the clinic. He was returned to regular duty with no follow-up appointments. However he was given a prescription eye drop.

2014 · 1 incident

December 9, 2014 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
United Rock Products Corp · Over-exertion in lifting objects

Employee is the landscaper in charge of trimming bushes and mowing grass. He reported pain in his back from loading brush and shrub clippings into his trailer. He was sent to the clinic where he received non-prescription Motrin and was placed on light duty for 8 days.

2012 · 1 incident

April 16, 2012 CA · Metal/Non-Metal FIRE
United Rock Products Corp · Accident type, without injuries

Workers were removing bolts to repair a crack in the housing of shacker below a bearing. After cutting a bolt with oxygen/acetylene torch the hot bolt fell inside the shacker box and down into the discharge chute. The hot material caught in the chute liner and after 30 to 35 minutes caused the chute liner to burn. The fire burned approximately 30 min.

2010 · 4 incidents

November 12, 2010 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDLING OF MATERIALS
United Rock Products Corp · Struck by flying object

The employee was washing down the deck of the dredge with a water hose. As he through the hose down the valve on the nozzle hit the deck which caused the valve to open and the hose to whip around and the nozzle struck the employee's foot and caused a contusion.

September 7, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

A tear was noticed on the belt of a conveyor. The conveyor was locked out. Employee used a pocket knife to cut the belt and to remove the torn piece. While holding the torn piece with his left and cutting with his right, he completed the cut. The momentum of his hand continued causing the knife to cut the top of his left hand. This required stitches.

August 23, 2010 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
United Rock Products Corp · Caught in, under or between running or meshing objects

An employee under his own independent action stuck his hand into the return side of the belt to get a rock that was hitting an idler roller. The idler roller sucked his hand in and he broke his right forearm. The pull cord was activated and the belt stopped. He called for help and was removed from the pinch point.

July 21, 2010 CA · Metal/Non-Metal backhoe operator, trackhoe operator NONPOWERED HAULAGE
United Rock Products Corp · Fall to the walkway or working surface

Employee failed to report the injury to employer until July 26, 2010. Employee was on the third deck of the mill performing clean up operations. He had over filled the wheel barrow causing materials to fall on the deck. When he went to move the wheel barrow he slipped on the spilled material that he had dropped. He did a split and got up and continued to work.

2009 · 1 incident

May 14, 2009 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator SLIP OR FALL OF PERSON
United Rock Products Corp · Over-exertion (Not Elsewhere Classified)

Our employee was climbing down the fixed ladder on the Cat 980H loader he stepped on to uneven ground in Pit 4 by the dust machine and sprained his left ankle.

2008 · 2 incidents

September 18, 2008 CA · Metal/Non-Metal ledgeman/hand, quarry man HANDTOOLS (NONPOWERED)
United Rock Products Corp · Caught in, under or between (Not Elsewhere Classified)

Using pry-bar to clean materials and smashed his finger between tunnel wall and pry bar. The pry bar slipped.

September 11, 2008 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
United Rock Products Corp · Struck against a moving object

Employee was on the road in Pit #3. While turning the corner near Conveyors 13 & 14, the truck struck a pile of silt material on the right side of the road near the conveyor. The driver was distracted by passenger and was going too fast for the conditions.

2007 · 2 incidents

August 29, 2007 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDLING OF MATERIALS
United Rock Products Corp · Over-exertion (Not Elsewhere Classified)

Whipline brake pedal was not latched properly. whipline parking brake was engaged

August 28, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

Two employees were reattaching a cyclone gate to an existing fence. Other ee advised ee that he was going to remove the come-along from the gate and asked him to hold the gate in position. EE let go of the gate to remove his hard hat to wipe his brow. This allowed the gate to fall and to strike him on the left side of the head.

2006 · 3 incidents

September 5, 2006 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman STEPPING OR KNEELING ON OBJECT
United Rock Products Corp · Struck against stationary object

While working the employee stepped on a rock and twisted his left ankle.

May 31, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Caught in, under or between a moving and a stationary object

While installing the front guard on a shaker the employee's finger was pinched.

May 8, 2006 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
United Rock Products Corp · Fall to the walkway or working surface

Employee was stepping off of conveyor when his foot became tangled with skirt board at this time employee fell on his left shoulder.

2005 · 6 incidents

October 22, 2005 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand OTHER
United Rock Products Corp · (Not Elsewhere Classified)

Heart Attack- operating dredge and told co-worker he was not feeling well, collapsed.

October 11, 2005 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
United Rock Products Corp · Fall from machine

Employee was cleaning the windows on a CAT D-9 Dozer when he lost his footing and fell on his feet. He felled to maintain three-points of contact while cleaning the window.When he landed on his feet. He fractured his left ankle.

September 13, 2005 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider MACHINERY
United Rock Products Corp · Caught in, under or between running or meshing objects

Employee and co-workers were working on rake cables on dredge. Employees failed to properly lock-out equipment. Employee was caught between rake cable and wench, when the wench energized, causing extreme bruising to right forearm.

July 21, 2005 CA · Metal/Non-Metal barge/boat/dredge/towbarge/towboat/leach operator, riverman, deck hand HANDTOOLS (NONPOWERED)
United Rock Products Corp · Caught in, under or between a moving and a stationary object

Employee, EE, was trying to brake a nut loose on a feeder table with a large ratchet. When the nut finally broke loose, the force from the ratchet caused his right pinky finger to get smashed between the bottom of the motor feeder table.

February 23, 2005 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

Employee, was working on the pit line, tearing down a head-pulley. Foreman, Other EE and Another EE were working with Him at the time. HE placed a pipe wrench on the bearing to break it loose, when the belt was being pulled. The wrench slipped from EE's hand hitting him in the forehead, causing him to get eight stiches.

January 8, 2005 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman SLIP OR FALL OF PERSON
United Rock Products Corp · Fall to the walkway or working surface

Employee,He was checking the pit line, when he slipped on the concrete walkway. At the time of the incident, it was raining rather heavy and the ground was slippery. He fell on his back when he slipped.

2004 · 1 incident

May 7, 2004 CA · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
United Rock Products Corp · Fall onto or against objects

EMPLOYEE WAS CARRYING METAL PLATE WITH CO-WORKER. CO-WORKER LOST BALANCE, CAUSING EMPLOYEE TO FALL WITH THE PIECE OF METAL.

1999 · 2 incidents

July 7, 1999 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EE WAS OPENING A BOX OF PARTS AND HIS HAND SLIPPED OFF THE BOX AND HE POKED HIS FINGER IN HIS EYE. \

June 25, 1999 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
United Rock Products Corp · Fall from piled material

EE WAS WORKING IN THE SURGE PIT WITH OTHER EE WHEN HE DECIDED TO LEAVE. EE STARTED UP THE SURGE PILE AND WAS TOLD TO GO UP THE ROAD ON THE LOADER. INSTEAD HE WENT UP THE BANK, TRIED TO JUMP FR OM ONE PILE TO THE OTHER AND SPRAINED HIS LEFT CALF MUSCLE.

1997 · 1 incident

February 17, 1997 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Over-exertion in pulling or pushing objects

EMPLOYEE WORKING ON DRAGLINE, PULLING IT TO PUT ON ROPE SCOKET. THIS CAUSED A PAIN IN EMPLOYEE'S SIDE. WENT TO DR. THE NEXT DAY AND FOUND THAT EMPLOYEE HAD A HERNIA ON THE RIGHT SIDE GROIN AR EA.

1996 · 1 incident

August 20, 1996 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
United Rock Products Corp · Struck against a moving object

EMP OPERATING LOADER BACKING DOWN LOADING RAMP WENT OFF SIDE OF RAMP AT DIFFERENT LEVEL CAUSING VEHICLE TO SUDDENLY STOP.

1993 · 2 incidents

December 13, 1993 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
United Rock Products Corp · Contact with hot objects or substances

EMPLOYEE WELDING ON PLANT MOLTEN SLAG ENTERED LEFT EAR CAUSING BURN AND POSSIBLE DAMAGE TO EAR DRUM.

March 5, 1993 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDTOOLS (NONPOWERED)
United Rock Products Corp · Caught in, under or between a moving and a stationary object

EMPLOYEE TRYING TO REMOVE ROCK FROM CONVEYOR SYSTEM PINCH AND CUT FINGER BETWEEN CONVEYORS CROSS FRAME AND THE PRY BAR THAT HE WAS USING.

1992 · 4 incidents

September 8, 1992 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EE FIGHTING WITH FOLLOW EE AND RECEIVED INJURY TO LEFT SIDE OF RIB CAGE AND LEFT ARM WITH LACERATION AND TWO BROKEN RIBS.

September 8, 1992 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EE FIGHTING WITH FOLLOW EE AND RECEIVED INJURY TO LEFT JAW AND EYE.

February 19, 1992 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
United Rock Products Corp · Caught in, under or between (Not Elsewhere Classified)

WHILE MAKING A U-TURN IN THE YARD,THE STEERING WHEEL WHIPPED BACK AND LITTLE FINGER WAS CAUGHT BY THE SPOKE AND FOLDED IT BACK.

January 3, 1992 CA · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EE WORKING ON SCREEN AT TOP OF MILL DOING REPAIRS TRYING TO PULL UP FLOP GATE WITH A BAR AND HIS FOOT BAR SLIPPED OUT AND CAME DOWN ON HIS FOOT CAUSING INJURY TO EE RIGHT FOOT EE F RACTURE RIG HT FOOT.

1991 · 8 incidents

December 9, 1991 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider MACHINERY
United Rock Products Corp · Inhalation of radiations, caustics, toxic and noxious substances

EMPLOYEES USING GAS WATER PUMP IN TUNNEL WAS OVERCOME WITH CARBON MONOXIDE, TAKING TO HOSPITAL FOR EXAMINATION AND WAS GIVEN OXYGEN.

December 9, 1991 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider MACHINERY
United Rock Products Corp · Inhalation of radiations, caustics, toxic and noxious substances

EMPLOYEES USING GAS WATER PUMP IN TUNNEL WAS OVERCOME WITH CARBON MONOXIDE, TAKING TO HOSPITAL FOR EXAMINATION AND WAS GIVEN OXYGEN.

December 9, 1991 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POISONING (TOXIC MATERIALS)
United Rock Products Corp · Inhalation of radiations, caustics, toxic and noxious substances

EMPLOYEES USING GAS WATER PUMP IN TUNNEL WAS OVERCOME WITH CARBON MONOXIDE, TAKING TO HOSPITAL FOR EXAMINATION AND WAS GIVEN OXYGEN.

December 9, 1991 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
United Rock Products Corp · Inhalation of radiations, caustics, toxic and noxious substances

EMPLOYEES USING GAS WATER PUMP IN TUNNEL WAS OVERCOME WITH CARBON MAONOXIDE TAKEN TO HOSPITAL FOR EXAMINATION AND WAS GAVEN OXYGEN.

August 20, 1991 CA · Metal/Non-Metal outside foreman, leadman HANDLING OF MATERIALS
United Rock Products Corp · Caught in, under or between a moving and a stationary object

ELECTRICAL PANEL UP ON BEAM IT FELL BACK ON IM PINNING HIM UNDER IT

August 12, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
United Rock Products Corp · Fall to lower level, (Not Elsewhere Classified)

HOOKING UP A JACKSHAFT TO BE LIFTED & TRANSFERRED TO THE OTHER SIDE OF CONVEYOR AFTER HOOKING UP I STARTED TO BACK UP OUT OF THE WAY OF THE JACKSHAFT FOUR TO SET FEET BEHIND ME WAS A POWER POL E HOLE APPROX 6FT DEEP & FELL BACKWARDS INTO IT

June 11, 1991 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EMPLOYEE WORKING IN SHOP REPAIRING BRAKES ON MECH TRUCK TRYING TO REMOVE BRAKE DRUM, #ONE EMPLOYEE WAS HOLDING DRUM WHILE #TWO EMPLOYEE WAS HITTING IT WITH HAMMER WHEN #TWO EMPLOYEE HIT #ONE E MPLOYEE ON THE THUMB WITH THE HAMMER.

February 14, 1991 CA · Metal/Non-Metal welder (shop) MACHINERY
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

EE WAS REMOVING PIN FROM 988B LOADER WITH AIR GUN AND A CHIP CAME OFF THE PUNCH A WENT INTO RIGHT ARM OF EE CUTTING BLOOD VEIN.

1990 · 5 incidents

September 15, 1990 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck against stationary object

EMPLOYEE EXITING MEN'S RESTROOM PUT HIS HAND THROUGH THE GLASS IN THE DOOR. EMPLOYEE HITTING THE GLASS ON THE DOOR TO OPEN IT CAUSING THE INJURY. LACERATION TO LEFT THUMB AND HAND. LACERATION OF EXTENSOR TENDON.

June 23, 1990 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Rubbed or abraded

WHILE CHIPPING SHARP CHEAT ENTERED SIDE OF GLASSES AND EMPLOYEE BEGAN RUBBING HIS EYES, THIS CAUSE FOREIGN PARTICLES TO INFLAMMATION OF EYE.

May 25, 1990 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
United Rock Products Corp · Struck against a moving object

EMPLOYEE WORKING IN PIT #3 WITH LOADER, AND WHILE DIGGING INTO BANK, THE BANK CAME DOWN INTO THE BUCKET CAUSING LOADER WHEEL FRONT. THE REAR TO COME OFF THE GROUND AND DROP BACK DOWN CUASING EMPLOYEE TO STRAIN HIS BACK.

May 19, 1990 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by... (Not Elsewhere Classified)

HOOD WAS UP WHEN INSTALLING A NEW WELDING ROD IN A SMALL AREA THAT WAS INCLOSED. THE WELDING ROD HIT THE SIDE OF THE WALL AND STRUCK AN ARC CAUSING RUST FROM THE STEEL TO GET IN RIGHT EYE.

January 31, 1990 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

EMPL REMOVING STEEL PLATE FROM TRUCK-5' X 8' X 1/4".PLATE FELL LANDING ON EMPL RIGHT FOOT.

1989 · 8 incidents

December 14, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
United Rock Products Corp · Struck by flying object

EMPLOYEE WAS USING AN ELECTRIC GRINDER WHEN PEICE OF METAL FLEW INTO EMPLOYEES LEFT EYE.

July 21, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STEPPING OR KNEELING ON OBJECT
United Rock Products Corp · Fall onto or against objects

EMPLOYEE HAD BEEN WORKING ON TRUCK SCALE, WHILE EXITING PIT AREA HE STEPPED ONTO A 10" PIPE AT WHICH TIME HIS FOOT SLIPPED CAUSING EMPLOYEE TO STRIKE CHEST AREA ON A CROSS BEAM.

July 13, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
United Rock Products Corp · Struck against stationary object

EMPL WAS REMOVING A OCUPLING ON MUD CAT USING A PRY BAR THE BAR SLIPPED CAUSING EMPL R HAND TO BE PUSHED AGAINST AIR CLEANER SHARP EDGE OF AIR CLEANER CAUSED LACERATION R INDEX FINGER

June 10, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

ROLLING LIP USED BELTING ROLL BAR FELL ON R FT.

June 6, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
United Rock Products Corp · Struck by flying object

WHILE USING A HIGH SPEED GRINDER, WITHOUT WEARING SAFTEY GOGGLES A PIECE OF METAL FLEW INTO EMPLOYEES EYES.

April 26, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
United Rock Products Corp · Struck by falling object

REPLACING HOIST CYLINDER PIN WHEN IT FELL OVER ONTO EMPLOYEES LEFT HAND.

April 10, 1989 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
United Rock Products Corp · Fall down stairs

DESCENDING FLIGHT OF STAIRS AT DRY TUNNEL.EMPLOYEE'S ANKLE TWISTED WHILE TURNING TO DESCEND NEXT FLIGHT.

March 17, 1989 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
United Rock Products Corp · Struck against a moving object

EMPLOYEE WAS DRIVING A PICK-UP TRUCK AND WHILE STOPPED AT PROPERTY'S ENTRANCE ANOTHER VEHICLE VEERED OUT OF ITS TRAFFIC LANE AND STRUCK EMPLOYEE'S VEHICLE.

1988 · 2 incidents

September 21, 1988 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Blue Diamond Materials · Struck against stationary object

EMP WAS STEPPING OFF A SAMLL TRACK LOADER WHEN HE REACHED GROUND HE EXPER. A PAIN IN HIS LEFT HIP. HE STEPED OFF THE WRONG WAY.

May 31, 1988 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Blue Diamond Materials · Struck by falling object

EMPLOYEE WAS SHOVELING UNDER A LODING HOPPER CLEANING A TAIL PULLEY WHEN A ROCK FELL FROM A LOADER BUCKET HITTING EMPLOYEE IN THE BACK BRUISED BACK AND LEG

1987 · 7 incidents

November 16, 1987 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor HANDLING OF MATERIALS
Blue Diamond Materials · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS IN THE PIT AREA DISCONNECTING CHAIN FROM BUCKET OF LOADER. WHILE EMPLOYEE WAS GETTING OUT OF THE BUCKET, CHAIN SWUNG AND STRUCK EMPLOYEE IN THE MOUTH. EMPLOYEE SUSTAINED INJURY TO TEETH.

November 3, 1987 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
Blue Diamond Materials · Over-exertion (Not Elsewhere Classified)

AT LOADOUT AREA GOING UP STAIRS TO RETRIEVE SAMPLE FROM BIN, EMPLOYEE HAD TEST CYLINDER IN HAND, HE LOST HIS FOOTING; AND, IN AN ATTEMPT TO KEEP FROM FALLING OFF STEPS, HE TWISTED LEFT KNEE AN D MID-LOW BACK.

September 19, 1987 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Blue Diamond Materials · Struck by falling object

EMPLOYEE WAS REPAIRING CRUSHER, PLACING SPINDLE SHAFT INTO PLACE. ANOTHER PERSON LET GO OF THE CRUSHER SHAFT AND IT DROPPED STRIKING EMPLOYEE'S RIGHT HAND.

August 6, 1987 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider HANDLING OF MATERIALS
Blue Diamond Materials · Over-exertion in lifting objects

EMPLOYEE WAS AT IRWINDALE PLANT REPAIRING CONVEYOR LINE. WHILE PICKING UP ROLLER (WHICH WEIGHS APPROX. 75#), EMPLOYEE SUSTAINED INJURY TO LOW BACK.

July 3, 1987 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Blue Diamond Materials · Caught in, under or between a moving and a stationary object

WHILE AT IRWINDALE ON CRUSHING DECK WORKING ON PLUGGED SEVEN FOOT CRUSHER CHANGING POSITION OF ADJUSTING RAMS, EMPLOYEEHS LITTLE FINGER GOT PINCHED BETWEEN RAM BARREL AND RAM BRACKET.

June 17, 1987 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Blue Diamond Materials · Caught in, under or between (Not Elsewhere Classified)

WHILE ADJUSTING MASTER CLUTCH ON 71B BANKDRAG CRANE, CLUTCH WAS LOOSE AND IT SNAPPED AND CAUGHT EMPLOYEE'S LEFT INDEX FINGER.

May 2, 1987 CA · Metal/Non-Metal beltman, conveyor man, conveyor belt worker, mobile bridge carrierman, feeder operator, conveyor rider POWERED HAULAGE
Blue Diamond Materials · Struck by falling object

EMPLOYEE WAS AT IRWINDALE PIT PLANT MOVING LARGE ROCKS AWAY FROM CONVEYOR. A ROCK WEIGHING APPROX. 30# FELL THREE FEET OFF OF CONVEYOR BELT AND STRUCK EMPLOYEE'S LEFT HAND.

For insurers, brokers, and safety consultants

The full compliance file on IRWINDALE 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.