Mining Incidents

Crestmore Quarry Metal/Non-Metal

Riverside Cement Co · Facility
Riverside, Riverside County, CA  ·  Abandoned
MSHA Mine ID: 0400010

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Fatalities
0
Total incidents
60
Years on record
2000–2015
Latest incident
Sep 2015
Compliance record
MSHA citations since 2000
228
citations
43
significant & substantial
$88,500
proposed penalties
$71,041
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
2015 Q2 17,740 4 0 225.5
2015 Q1 16,712 0 0 0.0
2014 Q4 14,335 1 0 69.8
2014 Q3 19,371 4 0 206.5
2014 Q2 0 0 0
2014 Q1 4,448 2 0 449.6
2013 Q4 4,351 0 0 0.0
2013 Q3 17,540 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

60 on file

2015 · 1 incident

September 23, 2015 CA · Metal/Non-Metal electrician, lineman ELECTRICAL
Riverside Cement Co · Flash burns (electric)

There was an opening in the bottom of the attached J-box to the load side of the adjacent breaker. This J-box was used as a raceway for cables going to the load side of the de-energized breaker and another set of cables that were abandoned. While disconnecting the drain wires from the cables one of the drain wires landed on the load side of the adjacent breaker and shorted out.

2014 · 1 incident

February 25, 2014 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Struck by falling object

Employee lifted up chocks from side of wheel of forklift, went to toss the chocks in the bed of the forklift, chocks caught on frame causing chock to be pulled out of the employee's hand falling on top of right foot.

2013 · 1 incident

May 31, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

5/31/13 at approx. 4:30am, while hammering on the mill liner, a shard of metal came off caused by the concussion of the hammer and impacted the leg of one of the contractors on site. The injury was reportedly minimal and did not require the immediate need of a medical professional.

2009 · 1 incident

February 20, 2009 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

Employee missed grab hold on forklift, causing pain in upper right arm.

2008 · 3 incidents

December 4, 2008 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverside Cement Co · Fall down stairs

While running up the stairs with both hands full employee mis-stepped causing him to stumble and banging his right wrist on the hand rail and twisting his back. (Lay off planned for 12/12/08)

December 3, 2008 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion in pulling or pushing objects

EMPLOYEE STATED ON 12/3/08 THAT HE SUFFERED A WORK-RELATED INJURY ON 5/5/08 WHILING LIFTING BAGS IN THE PACKHOUSE. HE HAD BEEN TREATING THIS UNDER HIS PERSONAL INSURANCE UNTIL HE FOUND OUT THAT HE WAS SUFFERING FROM SLIPPED DISC. (NO MANAGEMENT KNEW OF THE ALLEGED INJURY UNTIL 12/3/08)

February 20, 2008 CA · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator HANDLING OF MATERIALS
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

Hatch lid on tanker truck struck employee while opening. Employee was placed back to full duty at time of accident and then on 2/22/08 after doctor visit was placed on Modified Duty.

2007 · 10 incidents

December 26, 2007 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Riverside Cement Co · Caught in, under or between (Not Elsewhere Classified)

Placement of body inbetween stationary and moving equipment.

December 19, 2007 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant OTHER
Riverside Cement Co · Unclassified, insufficient data

Overexertion.

November 5, 2007 CA · Metal/Non-Metal greaser, grease man, oiler, lube man, dragline oiler SLIP OR FALL OF PERSON
Riverside Cement Co · Fall down stairs

The EE was working on the DC on the bin building. While walking down the stairway he fell. He sustained a bruise to his left heel and twisted left ankle.

September 6, 2007 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant DISORDERS (REPEATED TRAUMA)
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

Employee claimed he sustained swelling in his hand due to repetitive trauma. He continued to work his normal duty until being taken off work on 11/6/07.

May 24, 2007 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor OTHER
Riverside Cement Co · Bodily reaction, (Not Elsewhere Classified)

Placement of feet while walking (sprained ankle)

April 1, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech POWERED HAULAGE
Riverside Cement Co · Struck against a moving object

While operating a loader the employee was being bounced around in his seat and felt a pain in his lower back.

March 29, 2007 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Riverside Cement Co · Fall onto or against objects

Lighting went out in area employee was traveling while accessing stairs. Employee missed a step causing him to trip resulting in abrasion to his knees and arms.

March 24, 2007 CA · Metal/Non-Metal welder (shop) OTHER
Riverside Cement Co · Unclassified, insufficient data

Overhead build-up of material.

March 19, 2007 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER
Riverside Cement Co · Bodily reaction, (Not Elsewhere Classified)

Cleaning area around #3 Grey Finish Mill, twisted and heard knee pop.

March 15, 2007 CA · Metal/Non-Metal welder (shop) MACHINERY
Riverside Cement Co · Caught in, under or between (Not Elsewhere Classified)

Employee was using a wire whell on a 41/2" grinder when the wire wheel got caught on the tie wire causing sprain of left hand pinky finger. EE was dispensed medication. EE was released to full duty on March 16, 2007. The project ended on March 16, 2007.

2006 · 4 incidents

November 14, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

Strain back

October 13, 2006 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

Improper dismount from loader- strained left knee

September 9, 2006 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion in lifting objects

improper lilfting causing lower back strain

April 24, 2006 CA · Metal/Non-Metal pumper HANDTOOLS (NONPOWERED)
Riverside Cement Co · Over-exertion in wielding or throwing objects

Using hammer to unchoke plugged chute. Hammer was being swung across the employees body and overhead in attempt to loosen material stuck in chute. Strained right hand.

2005 · 3 incidents

August 16, 2005 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion in lifting objects

While lifting a full bag of cement from the pallet, he felt a strain in his lower back. Was given off work order from Doctor - 9/13/05. Rx - Naproxen, Soma, 1/H Pack, Banalg, Lumbar Support, Acetaminophen, Vicodin, cane.

June 22, 2005 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion in lifting objects

While putting cement bags on packer he twisted lower back. Rx - Naproxen, Tylenol, Acetaminophen, Banalog, Soma, Vicoden, - Receiving therapy.

February 14, 2005 CA · Metal/Non-Metal electrician, lineman ELECTRICAL
Riverside Cement Co · Contact with electrical current

While working on electrical cart in shop rewiring tail lights, a wire started to smoke. He reached to grab the wire to remove it from the power source and it burnt through his glove and into his finger.

2004 · 9 incidents

November 2, 2004 CA · Metal/Non-Metal clerk, timekeeper, office worker, director of sales SLIP OR FALL OF PERSON
Riverside Cement Co · Fall down stairs

She was collecting paperwork at the packhouse when she missed a step, twisting her ankle and shoulder.

August 3, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion in lifting objects

While adjusting bags on districutor belt because palletizer mis-counter, he strained lower right side of back.

July 16, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Riverside Cement Co · Caught in, under or between a moving and a stationary object

EE was trying to open the knock over valve for #7 silo, when he pinched his right hand-ring finger between the bar he was using to pry the valve open and the recirculative fkline, the valve was sticking and would not open all the way.

June 5, 2004 CA · Metal/Non-Metal welder (shop) MACHINERY
Riverside Cement Co · Contact with hot objects or substances

While welding the employee did not wear ear muffs, only ear plugs. A spark entered right ear burning it.

May 18, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Struck by flying object

THIS INJURY OCCURRED ON THE STACKER ON BC7. (ON THE 2ND FLOOR BY THE HEAD PULLEY FOR THE WEST BOOM.) HE GOT DUST IN HIS RIGHT EYE WHLE TRYING TO UNCHOCK THE WEST BRIDGE BELT.

February 25, 2004 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

While releasing the clincker rail car brake, he hurt his back.

February 11, 2004 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
Riverside Cement Co · Fall to the walkway or working surface

Slipped on floor mat, sink had plugged drain which caused water to gather under mats.

February 4, 2004 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant SLIP OR FALL OF PERSON
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

While getting out of screw conveyer, slipped on rock.

January 19, 2004 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

While climbing ladder on 966-17 loader, he pulled right shoulder muscle.

2003 · 1 incident

January 30, 2003 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverside Cement Co · Absorption of radiations, caustics, toxic and noxious substances

ON PREVIOUS DAY, EE WAS PERFORMING MAINTENANCE WORK ON PALLETIZING EQUIPMENT IN THE PACKHOUSE. THE NEXT MORNING, WHEN HE ARRIVED AT WORK, HIS LEFT EYE WAS VERY SWOLLEN AND IRRITATED.

2002 · 8 incidents

November 19, 2002 CA · Metal/Non-Metal truck driver SLIP OR FALL OF PERSON
Riverside Cement Co · Fall from machine

TRUCK DRIVER CUSTOMER WAS TYPING HIS LOAD. HE WAS STANDING ON HIS TRAILER, PULLING ON ROPE TO TIGHTEN, WHEN THE ROPE BROKE, CAUSING DRIVER TO FALL.

October 4, 2002 CA · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS HAMMERING A KEY INTO PLACE IN A TIGHT SPOT AND TOOK HIS GLOVES OFF TO GET INTO THE SPACE EASIER.

August 26, 2002 CA · Metal/Non-Metal miner, nec OTHER
Riverside Cement Co · Absorption of radiations, caustics, toxic and noxious substances

EMPLOYEE WAS STANDING BESIDE MILL, PREPARING TO ASCEND LADDER WHEN CEMENT DUST FLEW INTO EYES.

June 28, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Riverside Cement Co · Fall to the walkway or working surface

SLIPPERY FLOORS IN SHOWER ROOM.

May 30, 2002 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

WHILE ASSISTING SUPERSUCKER OPERATOR PULLING A LENGTH OF SUPERSUCKER HOSE TO THE TOP OF MILL, 6' PIECE BROKE OFF, HITTING INJURED EMPLOYEE'S HAND, CUTTING IT ACROSS TOP.

April 23, 2002 CA · Metal/Non-Metal welder (shop) MACHINERY
Riverside Cement Co · Struck by flying object

WHILE CUTTING A PIECE OF STEEL WITH A TORCH, A PIECE OF SLAG FLEW BACK INTO EE'S EYE.

March 12, 2002 CA · Metal/Non-Metal coal sampler HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

EE WAS MOVING LOCKERS IN THE MAINTENANCE DEPARTMENT. THE NEXT MORNING EXPERIENCED BACK SPASMS. APPARENTLY, LOCKERS WERE TOO HEAVY TO BE MOVED BY ONE PERSON.

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

DUE TO HEAVY DUSTING, EE PLACED A PLATE OVER OPENING TO DISCHARGE OF AIRSLIDE. WHEN REMOVING PLATE, IT HAD A LOT OF CEMENT ON IT AND WAS TOO HEAVY FOR EE TO HOLD, CAUSING EE TO FALL BACK BENDI NG THUMB BACKWARDS.

2001 · 13 incidents

November 9, 2001 CA · Metal/Non-Metal welder (shop) HANDTOOLS (NONPOWERED)
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

EMPLOYEE WAS SPREADING GATE APART ON TRASH BIN WITH A PORT-A-POWER JACK AND EXTENSION. HE MOVED AND STRUCK HOSE ATTACHED TO JACK, CAUSING THE JACK AND EXTENSION TO JACKKNIFE AND HIT HIS FACE.

September 28, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator POWERED HAULAGE
Riverside Cement Co · Struck against a moving object

EE WAS OPERATING FORKLIFT ALONGSIDE RR TRACKS. THE AREA WHERE THE LIFT WAS BEING USED WAS UNEVEN AND THE FORKS WERE NOT AT THE PROPER HEIGHT, HITTING THE RR TIE, CAUSING EE TO BOUNCE FORWARD INTO STEERING WHEEL

September 26, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator STEPPING OR KNEELING ON OBJECT
Riverside Cement Co · Struck against stationary object

EE WAS WALKING UNDER BC-31 BELT WHEN HE SLIPPED ON A CLINKER BALL & FELL ON RIGHT SIDE OF BODY BRUISING UPPER ARM & ABRADING LEG

August 23, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

AFTER MAKING SEVERAL TRIPS UP AND DOWN STARIWAYSTO DUST COLLECTORS, EE BEGAN TO FEEL PAIN UNDER HIS LEFT KNEE CAP AREA.

July 24, 2001 CA · Metal/Non-Metal welder (shop) SLIP OR FALL OF PERSON
Riverside Cement Co · Fall onto or against objects

EE WAS STEPPING ONTO PALLET ROLLERS WHEN HE BUMPED HIS HEAD WHICH CAUSED HIM TO SLIP, BRUISING AND ABRADING HIS RIGHT SHIN.

July 11, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Struck by flying object

PARTICLE FLEW INTO EMPLOYEE'S EYE WHEN HE WAS UNWRAPPING PALLET OF BAGS.

July 10, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

EE WAS EXITING BOBCAT WHEN HE FELT SLIGHT PAIN IN RIGHT THIGH

July 5, 2001 CA · Metal/Non-Metal weighman, scale person SLIP OR FALL OF PERSON
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

AS EMPLOYEE WAS EXITING BUILDING, MISSTEPPED ON STAIRWAY AND TWISTED RIGHT ANKLE.

June 28, 2001 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

EE EXPERIENCED BACK PAIN AFTER SPENDING SEVERAL HOURS REBUILDING PALLETS.

May 16, 2001 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Riverside Cement Co · Struck by falling object

EE WAS BEATING ON SPOOL ON DUST COLLECTOR, UNCHOCKING HOPPER WITH VIBRATOR & HOPPER DOOR CAME LOOSE & FELL ON EE'S SHOULDER

February 6, 2001 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Riverside Cement Co · Flash burns (electric)

EE WAS DRILLING THRU STARTER BUCKET DRILL CAME IN CONTACT WITH BUSS BAR, CAUSING A FLASH BURN TO EE'S HAND

January 12, 2001 CA · Metal/Non-Metal mine manager, mine foreman, mine owner HANDLING OF MATERIALS
Riverside Cement Co · Caught in, under or between a moving and a stationary object

WHILE LIFTING COMPRESSOR ONTO BALL HITCH, FINGER WAS PINCHED BETWEEN BUMPER AND TONG.

January 3, 2001 CA · Metal/Non-Metal coal sampler MACHINERY
Riverside Cement Co · Over-exertion (Not Elsewhere Classified)

CONTINUOUS TIGHTENING & LOOSENING OF HANDLE ON XPRESS MACHINE CAUSED EE TO FEEL PAIN IN LEFT HAND

2000 · 5 incidents

December 4, 2000 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Caught in, under or between a moving and a stationary object

WHEN EE DROPPED STOP PIN OF TRANSFER CAR, HIS FINGER CAUGHT BETWEEN DROP PIN AND HANDLE.

August 24, 2000 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

EMPLOYEE OPENED HAMMER VALVE ON PRESSURIZED LINE AND GOT HOT CEMENT DUST IN HIS EYES WHILE ATTEMPTING TO RESEAL.

June 13, 2000 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

WHILE WORKING IN THE FINISH MILL, EMPLOYEE GRADUALLY NOTICED DISCOMFORT IN LEFT EYE.

June 4, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

WHILE CUTTING MATERIAL, IT POPPED, CAUSING METAL TO GET UNDER SAFETY GOGGLES.

May 15, 2000 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Riverside Cement Co · Struck by... (Not Elsewhere Classified)

WHILE MANEUVERING DOOR OUT OF COMPARTMENT, WASHER ON LINE BROKE, CAUSING DOOR TO FALL AGAINST EMPLOYEE, KNOCKING HIM DOWN.