The employee went to the company clinic on 11/30/09 and was placed on restricted duty. While operating a front end loader, the employee allegedly hit a bump that caused the seat to bottom out.
Wheeler Ridge Plant: 21 MSHA citations Metal/Non-Metal
Wheeler Ridge Plant has $2K 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
- 55
- Years on record
- 1983–2009
- Latest incident
- Nov 2009
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Wheeler Ridge Plant has $2K in proposed MSHA penalties and $0 outstanding across 0 contested dockets.
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.ⓘ
A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.Metal and nonmetal contaminants (personal samples)
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Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2014-12-11, 11 years ago
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Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.- Respirable dust, <.1mg5
Show the individual readings (5)
| Date | Contaminant | Concentration | Limit | Conc / limit | Occupation |
|---|---|---|---|---|---|
| 2014-12-11 | Respirable dust, <.1mg | 0 | Truck Driver | ||
| 2014-12-11 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2010-08-03 | Respirable dust, <.1mg | 0 | Front-end Loader Operator | ||
| 2005-05-03 | Respirable dust, <.1mg | 0 | Truck Driver | ||
| 2005-05-03 | Respirable dust, <.1mg | 0 | Front-end Loader Operator |
- Kern Rock Company 1950 to 1985
- Kern Rock Company 1985 to 1988
- Kern Rock Company 1988 to 1997
- Calmat Of Central California 1997 to 1999
- CalMat Co 1999 to present
| Year | Employees |
|---|---|
| 2016 | 3 |
| 2015 | 4 |
| 2014 | 4 |
| 2013 | 3 |
| 2012 | 3 |
| 2011 | 3 |
| 2010 | 3 |
| 2009 | 2 |
| 2008 | 3 |
| 2007 | 5 |
| 2006 | 3 |
| 2005 | 2 |
| 2004 | 2 |
| 2003 | 3 |
| 2002 | 1 |
| 2001 | 1 |
| 2000 | 5 |
Wheeler Ridge Plant sits in Kern County, California, where the Census mining category is 2.3% of county employment.
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County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.ⓘ
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.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2016 Q1 | 726 | 0 | 0 | 0.0 |
| 2015 Q4 | 1,475 | 0 | 0 | 0.0 |
| 2015 Q3 | 1,310 | 0 | 0 | 0.0 |
| 2015 Q2 | 2,131 | 0 | 0 | 0.0 |
| 2015 Q1 | 2,527 | 0 | 0 | 0.0 |
| 2014 Q4 | 1,921 | 1 | 0 | 520.6 |
| 2014 Q3 | 2,190 | 0 | 0 | 0.0 |
| 2014 Q2 | 2,461 | 0 | 0 | 0.0 |
Show 51 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2014 Q1 | 1,557 | 0 | 0 | 0.0 |
| 2013 Q4 | 1,749 | 1 | 0 | 571.8 |
| 2013 Q3 | 1,242 | 0 | 0 | 0.0 |
| 2013 Q2 | 1,218 | 1 | 1 | 821.0 |
| 2013 Q1 | 979 | 0 | 0 | 0.0 |
| 2012 Q4 | 1,955 | 0 | 0 | 0.0 |
| 2012 Q3 | 2,632 | 0 | 0 | 0.0 |
| 2012 Q2 | 1,118 | 1 | 0 | 894.5 |
| 2012 Q1 | 868 | 0 | 0 | 0.0 |
| 2011 Q4 | 1,047 | 3 | 0 | 2865.3 |
| 2011 Q3 | 2,543 | 0 | 0 | 0.0 |
| 2011 Q2 | 1,552 | 1 | 0 | 644.3 |
| 2011 Q1 | 876 | 0 | 0 | 0.0 |
| 2010 Q4 | 739 | 4 | 1 | 5412.7 |
| 2010 Q3 | 1,384 | 0 | 0 | 0.0 |
| 2010 Q2 | 1,777 | 0 | 0 | 0.0 |
| 2010 Q1 | 1,409 | 0 | 0 | 0.0 |
| 2009 Q4 | 1,912 | 0 | 0 | 0.0 |
| 2009 Q3 | 1,281 | 0 | 0 | 0.0 |
| 2009 Q2 | 1,288 | 0 | 0 | 0.0 |
| 2009 Q1 | 947 | 1 | 0 | 1056.0 |
| 2008 Q4 | 1,390 | 0 | 0 | 0.0 |
| 2008 Q3 | 1,077 | 0 | 0 | 0.0 |
| 2008 Q2 | 1,946 | 0 | 0 | 0.0 |
| 2008 Q1 | 2,545 | 0 | 0 | 0.0 |
| 2007 Q4 | 2,903 | 0 | 0 | 0.0 |
| 2007 Q3 | 3,100 | 0 | 0 | 0.0 |
| 2007 Q2 | 3,411 | 0 | 0 | 0.0 |
| 2007 Q1 | 2,898 | 0 | 0 | 0.0 |
| 2006 Q4 | 2,728 | 0 | 0 | 0.0 |
| 2006 Q3 | 2,154 | 0 | 0 | 0.0 |
| 2006 Q2 | 1,329 | 0 | 0 | 0.0 |
| 2006 Q1 | 1,862 | 0 | 0 | 0.0 |
| 2005 Q4 | 1,440 | 0 | 0 | 0.0 |
| 2005 Q3 | 1,709 | 0 | 0 | 0.0 |
| 2005 Q2 | 1,519 | 0 | 0 | 0.0 |
| 2005 Q1 | 0 | 0 | 0 | |
| 2004 Q4 | 982 | 0 | 0 | 0.0 |
| 2004 Q3 | 829 | 0 | 0 | 0.0 |
| 2004 Q2 | 1,253 | 0 | 0 | 0.0 |
| 2004 Q1 | 1,660 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,539 | 3 | 0 | 1949.3 |
| 2003 Q3 | 1,825 | 0 | 0 | 0.0 |
| 2003 Q2 | 719 | 0 | 0 | 0.0 |
| 2003 Q1 | 655 | 0 | 0 | 0.0 |
| 2002 Q2 | 325 | 0 | 0 | 0.0 |
| 2002 Q1 | 480 | 0 | 0 | 0.0 |
| 2001 Q4 | 554 | 0 | 0 | 0.0 |
| 2000 Q3 | 1,822 | 0 | 0 | 0.0 |
| 2000 Q2 | 973 | 0 | 0 | 0.0 |
| 2000 Q1 | 4,228 | 0 | 0 | 0.0 |
Reportable incidents
55 on file2009 · 1 incident
2000 · 1 incident
EE WAS HELPING CHANGE A SCREEN WHEN HE FELT A PAIN IN HIS RIGHT KNEE. RIGHT KNEE SPRAIN, WITH MODIFIED DUTY AND A FOLLOW UP APPOINTMENT. MOTRIN AND CELEBREX WAS GIVEN TO EMPLOYEE.
1998 · 2 incidents
RAISED UP UNDER CONVEYOR, HIT HARD HAT AND STRAINED/SPRAINED NECK.
NOT REPORTED UNTIL 8-28-98. WHILE SHOVELING UNDER GRIZZLEY BAR, FELT BURNING SENSATION IN LOWER LEFT SIDE OF STOMACH.
1995 · 3 incidents
WALKING ACROSS CONCRETE SLAB THAT HAD A THIN LAYER OF SLICK MUD ON IT, CAUSING HIS FEET TO SLIPE FROM UNDER HIM. HE FELL HURTING NECK.
USING A PRY BAR AT SO CENTRAL SHAKER PRY BAR SLIPPED, HTI LIP, CUTTING LIP AND CHIPPING TOOTH.
USING AN OLD ROLLER TO KNOCK TROUGHING ROLLER OVER TO CLEAR BELT. SHAFT IN RETURN ROLLER WAS LOOSE ADN IT SLID OVER AND PINCHED AND CUT FINGER.
1994 · 1 incident
REPAIRING EXHAUST PIPE ON TRUCK. AFTER CUTTING RUSTED OUT SECITON FO TAIL PIPE, HE PULLED OT SEPARATE FROM THE REST OF THE PIPE. AS IT BROKE FREE THE JAGGED EDGE OF THE PIPE HIT HIS LEFT HAN D CAUSING A DEEP CUT.
1993 · 4 incidents
EMPLOYEE WAS CHECKING LOOSE WIRE ON WELDER, & RIGHT MIDDLE FINGER WAS CUT WHICH REQUIRED SUTURES.
INJURED WAS A PASSENGER IN WELDER TRUCK THAT WAS BACKING UP AT EST. SPEED OF 5 TO 10 MPH. TRUCK BACKED INTO A 10" PIPE, WHICH HIT BOTTOM HUNG TOOL BOX MOUNTED ON UNDERSIDE OF WELDIGN TRUCK BE TWEEN CAB AND REAR WHEELS. UPON IMPACT, THE TRUCK CAME TO A SUDDEN STOP, CAUSING PASSENGER AND DRIVER'S HEAD TO HIT REAR WINDOW OF TRUCK.
EMPLOYEE WAS GRINDING A PIECE OF METAL WITH AN ELECTRIC GRINDER. THE GRINDER HIT A ROUGH SPOT ON THE METAL AND THE GRINDER KICKED BACK AND HIT LEFT KNEE, CAUSING A CUT ON KNEE.
EMPLOYEE OPERATES A DOZER, USES SHOVEL AND OTHER RELATED ACTIVIES TO MOVE MATERIAL. HE FIRST NOTICED NUMBNESS IN LEFT HAND AND WRIST ON 3/6/93. 1ST VISIT TO DR ON 3/14/93, REPORTED TO SUPERVIS OR ON 3/15/93, AFTER REFERRAL TO ANOTHER DR. REPORTED TO EMPLOYER BY SECOND DR AS POSSIBLE WORK RELATED CARPAL TUNNEL SYNDROME.
1992 · 3 incidents
EMPLOYEE WAS CLIMBING DOWN LADDER OF JAW CRUSHER.
INJURY HAS BEEN CUMULATIVE TRAUMA FROM 7-15-92 THRU PRESENT. ON 7-14-93 EMPLOYEE ADMITTED FOR SURGERY BECAUSE CONDITION DID NOT IMPROVE. EMPLOYEE ALLEGES REPEATED USE OF LEVER ON LOADER CAUS ED UNSPECIFIED CYST. TREATMENT INCLUDES REMOVAL OF CYST.
EMPLOYEE WAS USING HAMMER TO TRACK BELT TO JAW BY HAMMERING RETURN IDLER, WHILE UNDER RUNNING CONVEYOR. AS HE WAS HAMMERING IDLER HIS HAND AND ARM WAS PULLED BETWEEN ROLLER AND BELT.
1991 · 7 incidents
PULLING AND TUGGING ON CONVEYOR BELT.
LUBING THE DRIVE GEAR ON THE OVERLAND CONVEYOR.
HE WAS REMOVING AIR RAMS DEOM STORAGE SHELF PULLED ONE RAM FROM SHELF AND ANOTHER ONE FELL ON HIS KNEE RESULTING IN CONTUSION OF RIGHT KNEE.
INSTALLING A BUCKET TIP & HAMMERING THE PIN THATSECURES IT. A CHIP OF METAL FLEW OFF, STRIKING THE RIGHT THIGH & IMBEDING IN TISSUE. DOCTOR EXTRACTED METAL & SUTURED WOUND.
PULLING ROCKS OUT OF JAW CRUSHER PULLED A MUSCLE IN HIS BACK.
ADJUSTING FEED FLOW GATES ON PIT SYSTEM WHILE SYSTEM WAS IN OPERATION AND FELL FROM EDGE OF FEEDER ONTO EARTH BANK.
OPERATING 988 LOADER TO FEED PLANT FEEDER IN THE PIT.LOADER TIRE HIT LARGE BUMP LOWER LEFT BACK BEGAN TO HURT.
1990 · 4 incidents
HE WAS USING A ROD TO REMOVE ROCKS THAT WERE JAMMED UP IN THE ROCK CRUSHER.
HE WAS CHANGING SCREEN ON PIT SHAKER.HE HAD TO BEND THE SCREEN TO GET IT INTO PLACE.THE SCREEN POPPED UP,HIT HIS RIGHT HAND,CUTTING HIS HAND.
HE WAS CLEANING THE CRUSHER & SAND BLEW INTO HIS EAR.
STANDING ON SAND BOOM,A TROFFING ROLLER WAS BEING LOWERED DOWN ON A ROPE TO HIM.ROLLER HUNG UP ON BEAM SWING AND SMASHED I.NAME FINGER BETWEEN ROLLER AND HANDRAIL.
1989 · 3 incidents
HE WA GREASING JAW CRUSHER AND GRIZZLY, SLIPPED ON LADDER WHEN CLIMBING DOWN AND HURT BACK.
CLIMBING DOWN LADDER OF JAW CRUSHER WITH GREASE GUN IN HAND,SLIPPED AND FELL OFF LADDER ONTO GROUND INJURING HIS BACK.
HE WAS PULLING ON BELT & STRAINED BACK.
1988 · 8 incidents
HE WAS WELDING AND EYES BEGAN TO BURY AND IT ON AFTER WELDING ABOUT 40 HRS RECEIVED FLASH BURN IN BOTH EYES DR PERSRIBED ONIMENT AND REST.
DRIVING WATER TRUCK HAND WAS BETWEEN STEERING WHEEL & GEAR SHIFT TRUCKS FRONT TIRE HIT HOLE CAUSING STEERING WHEEL TO TURN QUICKLY TWISTING RING FINGER OF RIGHT HAND BETWEEN STEERING WHEEL & GEAR SHIFT.
PULLING BEARING OFF SHAFT CUT IN RACE IN HALF & HIT IT WITH HAMMER PIECE OF METAL BROKE OFF & HIT HIM IN CHEST CAUSING CUT.
WHILE CUTTING METAL PLATE WITH A TORCH A FOREIGN OBJECT FLEW UP UNER CUTTING GOGGLES AND INTO EYE.
WHEN LOOSENING THE IOL FILTER HOUSING CLAMP IT HAD EXTREME AMOUNT OF PRESSURE . IT BLEW OFF WITH A VERY LOUND EXPLOSION..
REMOUNTING ROCK FROM CHUTE WHEN SEVERAL ROCKS DISLODGED.PINCHING FINGER BETWEEN BAR GRIZZLY AND ROCKS.
FELL FROM CATWALK AND WRENCHED HIS KNEE.
REMOVING SLAG WITH CHIPPING HAMMER PIECES OF SLAG FELL INTO BOTH EYES.
1987 · 4 incidents
SLIPPED WHILE D3SMOUNTING EQUIPMENT #561 & WRENCHE D RIGHT ANKLE
WELDING AND INS7ALLING GUARDS REPAIRMAN TURNED AROUND WHEN ANOTHER WELDER STRUCK AIR ARC AND ALSO SAND WAS BLOWING.
CHIPPING SLAG F9OM WELD.
WHILE ATTEMTING3TO REMOVE A PIECE OF TRAMP METAL FROM A ROCK CHUTE BY TUGGING ON IT.THE PIECE OF METAL TOTATED WHEN IT DISLODGED,LACERATING THE RIGHT HAND IN TWO AREA.
1986 · 1 incident
PLANT SERVICE M5N WAS DECENDING STAIRWAY WHILE CARRING A 5 GAL OIL CAN HE SLIPPED ON STAIRWAY & WRENCHED HIS RIGHT HIP
1985 · 7 incidents
EMP WAS TIGHTENING CABLE ON COME-ALONG TO LOWER TAKE-UP PULLEY. HOOK ON COME-ALONG WAS NOT IN A SECURE MANNER, SLIPPED OFF AND HE SAT DOWN HARD ON HIS REAR
HAMMERING PIN THAT HOLDS CYLINDER DOWN & THE PIN HAD SOME SAND ON IT THAT FLEW OFF & HIT EE IN LEFT EYE.
PUSHING DIRT UP ON SUMP BANK.
EMP WAS REMOVING RADIATOR CAP FROM A PIT TRUCK HOT PRESSURED WATER SHOT OUT OF RADIATOR AND CAUSED INJURY TO FACE AND CHEST
EMPLOYEE WAS PULLING SCREENS FROM SHAKER AND WHILE LIFTING SCREEN ONTO A TRUCK SLIPPED AND FELT PAIN TO MIDDLE AND LOWER BACK
EMPLOYEE WAS LIFTING A SCREEN DECK ON THE BACK OF A TRUCK, SLIPPED AND TWISTED HIS BACK. AFTER SLEEPING THAT NIGHT, EMPLOYEE FELT BURNING SENSATION BETWEEN SHOULDER BLADES ANDNECK AND LOW BACK PAIN AND STIFFNESS. DIAGNOSED AS A BACK SPRAIN.
CLEROU TIRE CO. EMPLOYEE WAS CHANGING THE LEFT FRONT TIRE. THEIR BREAKDOWN TOOL, UNDER PRESSURE SLIPPED OFF LEFT WHEEL, SHOT ANDD HIT THE RIGHT TIRE, THEN BOUNCED OFF AND HIT I,NAME IN LEFT SI DE , LOWER BACK.
1984 · 4 incidents
EMPLOYEE WAS HOLDING A LIGHT TO SHINE ON AN ELECTRICAL BOX WHILE ANOTHER EMPLOYEE WAS REPAIRING IT. THE ELECTRICAL BOX BLEW UP AND CAUSED BOTH EYES TO BE BURNT BY THE FLASH OF LIGHT FROM THE B OX
WHILE CLIMBING ONTO SKIP LOADER, MISSED THE STEP AND SCRAPED LEG
EMPLOYEE WAS SHOVELING AND HIT HIS ELBOW AGAINST AN ANGLE IRON.
SLIPPED ON CATWALK WHILE CARRYING TOOLS
1983 · 2 incidents
ADJUSTING CONVEYOR BELT,CAUGHT RIGHT MIDDLE FINGER BETWEEN BELT AND ROLLER.
GETTING CHUTE OUT FROM COME-ALONG CHUTE SLIPPED AND HIT ON CHEST.