Haul truck operator was involved in a tip-over incident while moving material, resulting in the truck overturning onto the driver's side. Following the incident, the employee received a medical evaluation after beginning to experience blurred vision and nausea. The employee was diagnosed with a neck muscle strain and a lumbar muscle strain.
Azusa Rock Metal/Non-Metal
Azusa Rock has $39K in proposed MSHA penalties and $207 outstanding across 5 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 0
- Total incidents
- 46
- Years on record
- 1987–2026
- Latest incident
- May 2026
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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.Azusa Rock has $39K in proposed MSHA penalties and $207 outstanding across 5 contested dockets.
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
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 |
|---|---|---|---|---|
| 2025 Q4 | 9,187 | 0 | 0 | 0.0 |
| 2025 Q3 | 10,576 | 0 | 0 | 0.0 |
| 2025 Q2 | 10,817 | 0 | 0 | 0.0 |
| 2025 Q1 | 9,167 | 2 | 1 | 218.2 |
| 2024 Q4 | 8,906 | 0 | 0 | 0.0 |
| 2024 Q3 | 8,969 | 0 | 0 | 0.0 |
| 2024 Q2 | 10,005 | 2 | 0 | 199.9 |
| 2024 Q1 | 8,591 | 1 | 1 | 116.4 |
Show 89 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 8,152 | 0 | 0 | 0.0 |
| 2023 Q3 | 9,331 | 3 | 0 | 321.5 |
| 2023 Q2 | 11,415 | 0 | 0 | 0.0 |
| 2023 Q1 | 10,380 | 0 | 0 | 0.0 |
| 2022 Q4 | 8,262 | 0 | 0 | 0.0 |
| 2022 Q3 | 9,657 | 0 | 0 | 0.0 |
| 2022 Q2 | 8,347 | 0 | 0 | 0.0 |
| 2022 Q1 | 7,792 | 0 | 0 | 0.0 |
| 2021 Q4 | 7,319 | 0 | 0 | 0.0 |
| 2021 Q3 | 7,751 | 0 | 0 | 0.0 |
| 2021 Q2 | 9,063 | 0 | 0 | 0.0 |
| 2021 Q1 | 9,424 | 0 | 0 | 0.0 |
| 2020 Q4 | 9,599 | 0 | 0 | 0.0 |
| 2020 Q3 | 8,614 | 0 | 0 | 0.0 |
| 2020 Q2 | 5,878 | 0 | 0 | 0.0 |
| 2020 Q1 | 7,935 | 0 | 0 | 0.0 |
| 2019 Q4 | 8,036 | 0 | 0 | 0.0 |
| 2019 Q3 | 7,919 | 0 | 0 | 0.0 |
| 2019 Q2 | 6,223 | 0 | 0 | 0.0 |
| 2019 Q1 | 5,862 | 2 | 1 | 341.2 |
| 2018 Q4 | 6,857 | 0 | 0 | 0.0 |
| 2018 Q3 | 7,343 | 0 | 0 | 0.0 |
| 2018 Q2 | 6,793 | 0 | 0 | 0.0 |
| 2018 Q1 | 5,872 | 0 | 0 | 0.0 |
| 2017 Q4 | 5,943 | 1 | 0 | 168.3 |
| 2017 Q3 | 6,820 | 0 | 0 | 0.0 |
| 2017 Q2 | 6,433 | 0 | 0 | 0.0 |
| 2017 Q1 | 6,636 | 0 | 0 | 0.0 |
| 2016 Q4 | 5,842 | 0 | 0 | 0.0 |
| 2016 Q3 | 7,286 | 1 | 0 | 137.2 |
| 2016 Q2 | 6,902 | 0 | 0 | 0.0 |
| 2016 Q1 | 6,180 | 0 | 0 | 0.0 |
| 2015 Q4 | 5,997 | 1 | 0 | 166.8 |
| 2015 Q3 | 6,769 | 0 | 0 | 0.0 |
| 2015 Q2 | 6,727 | 2 | 0 | 297.3 |
| 2015 Q1 | 6,390 | 0 | 0 | 0.0 |
| 2014 Q4 | 5,774 | 0 | 0 | 0.0 |
| 2014 Q3 | 6,066 | 0 | 0 | 0.0 |
| 2014 Q2 | 6,409 | 0 | 0 | 0.0 |
| 2014 Q1 | 6,731 | 0 | 0 | 0.0 |
| 2013 Q4 | 4,716 | 3 | 2 | 636.1 |
| 2013 Q3 | 365 | 0 | 0 | 0.0 |
| 2011 Q4 | 0 | 0 | 0 | |
| 2011 Q3 | 0 | 0 | 0 | |
| 2011 Q1 | 0 | 1 | 0 | |
| 2010 Q4 | 0 | 0 | 0 | |
| 2010 Q3 | 3,013 | 0 | 0 | 0.0 |
| 2010 Q2 | 2,775 | 1 | 0 | 360.4 |
| 2010 Q1 | 3,417 | 0 | 0 | 0.0 |
| 2009 Q4 | 3,408 | 2 | 1 | 586.9 |
| 2009 Q3 | 3,941 | 6 | 2 | 1522.5 |
| 2009 Q2 | 3,996 | 1 | 0 | 250.3 |
| 2009 Q1 | 2,096 | 0 | 0 | 0.0 |
| 2008 Q4 | 2,069 | 5 | 1 | 2416.6 |
| 2008 Q3 | 2,675 | 0 | 0 | 0.0 |
| 2008 Q2 | 2,281 | 3 | 0 | 1315.2 |
| 2008 Q1 | 2,065 | 0 | 0 | 0.0 |
| 2007 Q4 | 1,521 | 3 | 0 | 1972.4 |
| 2007 Q3 | 1,355 | 4 | 0 | 2952.0 |
| 2007 Q2 | 178 | 0 | 0 | 0.0 |
| 2007 Q1 | 471 | 0 | 0 | 0.0 |
| 2006 Q4 | 552 | 0 | 0 | 0.0 |
| 2006 Q3 | 300 | 0 | 0 | 0.0 |
| 2006 Q2 | 125 | 0 | 0 | 0.0 |
| 2006 Q1 | 100 | 0 | 0 | 0.0 |
| 2005 Q4 | 1,530 | 0 | 0 | 0.0 |
| 2005 Q3 | 2,192 | 0 | 0 | 0.0 |
| 2005 Q2 | 2,210 | 1 | 0 | 452.5 |
| 2005 Q1 | 1,927 | 0 | 0 | 0.0 |
| 2004 Q4 | 2,107 | 0 | 0 | 0.0 |
| 2004 Q3 | 2,182 | 0 | 0 | 0.0 |
| 2004 Q2 | 2,187 | 0 | 0 | 0.0 |
| 2004 Q1 | 2,183 | 0 | 0 | 0.0 |
| 2003 Q4 | 1,492 | 0 | 0 | 0.0 |
| 2003 Q3 | 2,192 | 0 | 0 | 0.0 |
| 2003 Q2 | 2,106 | 3 | 0 | 1424.5 |
| 2003 Q1 | 2,115 | 0 | 0 | 0.0 |
| 2002 Q4 | 2,397 | 3 | 0 | 1251.6 |
| 2002 Q3 | 2,420 | 1 | 0 | 413.2 |
| 2002 Q2 | 2,205 | 0 | 0 | 0.0 |
| 2002 Q1 | 2,556 | 3 | 0 | 1173.7 |
| 2001 Q4 | 2,243 | 0 | 0 | 0.0 |
| 2001 Q3 | 2,005 | 0 | 0 | 0.0 |
| 2001 Q2 | 2,005 | 0 | 0 | 0.0 |
| 2001 Q1 | 2,740 | 0 | 0 | 0.0 |
| 2000 Q4 | 6,064 | 0 | 0 | 0.0 |
| 2000 Q3 | 6,922 | 0 | 0 | 0.0 |
| 2000 Q2 | 9,080 | 0 | 0 | 0.0 |
| 2000 Q1 | 8,650 | 0 | 0 | 0.0 |
Reportable incidents
46 on file2026 · 1 incident
2023 · 1 incident
On 03/06/2023 employee was retrieving a tear plate when they felt a strain to right shoulder. On 03/27/2023 employee notified management of the incident and requested medical evaluation, employee was placed on modified duty and prescribed work restrictions for a right shoulder strain.
2018 · 1 incident
Employee was attempting to back up a 6,000 gallon articulating water truck, when the right rear tire went up a 2.5% grade causing the truck and cab to tip over.
2014 · 2 incidents
Employee was changing cutting bits on a piece of equipment. He was using an 8 lb hammer to release the retaining pin. A metal fragment chipped off the pin and struck his low abdomen. He was taken to a clinic and the fragment was partially removed. The remaining portion was left in place due to doctor's recommendation.
Employee was working to fuel equipment. As the employee climbed down off a D10 dozer he stepped to the ground. Upon releasing from the ladder he felt low back pain. The employee was diagnosed with a muscle strain at a local clinic. The employee was released to modified duty.
2002 · 1 incident
EE WENT TO SEE CO. DR. ON 10/10/02 AND WAS PLACED ON RESTRICTED DUTY. WHEN CLIMBING OUT OF LOADER, EE STEPPED ON TONGUE OF LOADER BUCKET WHICH HAS A 2"LIP, HIS ANKLE TURNED & RESULTED IN A SPRAINED RT. ANKLE.
2001 · 1 incident
EE WENT TO SEE A DR ON 8-21-01 AND WAS TAKEN OFF WORK. WHEN EE STOOD UP FROM WELDING, HE BACKED INTO A PIECE OF HOT ANGLE IRON WITH HIS L ELBOW.
2000 · 1 incident
EMPLOYEE WENT TO SEE THE DOCTOR ON 8-16-00 AND WA PLACED ON RESTRICTED DUTY. EMPLOYEE CLAIMS THAT HIS HANDS STARTED HURTING HIM SOME TIME IN MARCH 2000, BUT NEVER REPORTED IT UNTIL 8-16-00. EM PLOYEE ALLEGES CARPAL TUNNEL SYNDROME DUE TO JOBDUTIES LIKE WRENCHING, SHOVELING, STEERING.
1999 · 4 incidents
WHILE HAMMERING OFF RIPER TOOTH, A PIECE OF SHARPNEL BROKE OFF FROM RIPPER AND LODGED INTO EE'S LEFT LEG.
CLIMBING ON ROCK TRUCK WHILE REMOVING FILTER CANISTERS, EE SLIPPED & LOST GRIP ON TANK
TREE ROOT GOT STUCK AT HEAD PULLEY AND KICKED OFF ROCK WHICH STRUCK EMPLOYEE SHOVELING BELOW.
POSITIONING STEEL IMPACT PLACE WHICH A FELLOW WORKER MOVED INTO POSTION WITH HAMMER. HAMMER-BLOW MOVE PLATE PAST MARK AND PINCHED WORKER'S FINGER BETWEEN STEEL PLATE AND SCREEN STRUCTURE.
1998 · 2 incidents
WHILE MOVING SCRAP STEEL STRIP STEPPED ON WET PIECE OF BELTING ON GROUND AND FEET SLIPPED AND EE FELL DOWN PINCHING THUMB BETWEEN STEEL AND CONCRETE K-RAIL BARRIER.
MINER WAS EXCAVATING WITH CAT 992C LOADER (EQ.#41024) AT FACE OF LOOSE QUARRY BANK. BANK ESTIMATED TO 25' TO 30' HIGH. COLLAPSED ON LOADER BUCKET TRAPPING MACHINE. AS OPERATOR ATTEMPTED TO REL IEVE BUCKET A SECOND BANK FELL ENTRAPPING MINER IN CAB OF VEHICLE, BREAKING FRONT WINDSHIELD. THREE MENT REMOVED MINER IN APPROX. 10-15 MINUTES.
1997 · 2 incidents
WHILE LIFTING CONCRETE CRIB MEMBERS, EE DISCONNECTED LOAD AND PUSHED HOOK AND SHEAVE BLOCK OUT OF WAY. CRANE OPERATOR DID NOT HOIST BLOCK AND WHEN IT SWUNG BACK TO ORIGINAL POSITION IT HIT EE IN HEAD. FACE SWOLLEN AND TENDER RIGHT SIDE OF SKULL ABOVE ZYGOMATIC ARCH. 1/2" LONG LACERATION ON RIGHT EYEBROW AREA.
WHILE CLIMBING INTO HOPPER OVER SIDE WALL, LANDED ON FEET THE WRONG WAY & REHURT OLD INJURY (UPON LEARNING OF INJURY, APPROPRIATE FORM WAS OFFERED BUT EE DENIED FORM SAYING IT WAS AN OLD INJURY. EE CAME BACK ON 5/14/97 AND REQEUSTED FORM.)
1996 · 5 incidents
ATTEMPTING TO REMOVE TWIST IN WIRE ROPE SLING, WHILE A SLIGHT LOAD WAS APPLIED. SLING ROTATED QUICKLY AND PINCHED HAND AGAINST I BEAM. LACERATION OF LEFT HAND BETWEEN THUMB AND FIRST FINGER. I NDEX FINGER.
ACCIDENT OCCURRED PRIOR TO SCHEDULED SHIFT START, PRIOR TO CLOCK IN. EE ATTEMPTED TO CATCH A RATTLESNAKE WHICH WAS SEEN CROSSING FRONT OF DRIVEWAY TO PROPERTY. DURING CHASE EE WAS BITTEN BY SN AKE.
INSTALLING GUARD ALONE. ONE END FELL, CAUSING A SCISSOR AFFECT AGAINST ANOTHER GUARD TO HIS FINGER.
ADJUSTING THE TENSION BOLT. BOLT BROKE CAUSING THE SPRING ON THE BOLT TO HIT HIS LEG AND CAUSINGHIM TO FALL.
LOST FOOTING AND SLIPPED.
1995 · 6 incidents
WHILE SITTING DOWN CUTTING EDGE, WITH CRANE, IT SPUN ON CORNER AND FELL ON EE WHILE IN A CROUCHED POSITION HITTING HIM ON THIGH ABOVE RIGHT KNEE.
WHILE MOVING ROCK. RIGHT LITTLE FINGER WAS CAUGHT BETWEEN ROCK AND METAL CUTTING TIP. LEFT HAND DOMINANT.
LEANING FORWARD TO LOOK AT A BOLT WHEN WRENCH HE WAS HOLDING SLIPPED AND HIT EYE.
LOST FOOTING AND FELL.
WHILE REMOVING ROCK FROM UNDER JAW HOPPER TO RESTART STALLE DCONVEYOR, A ROCK FLEL AND INCHED SMALL FINGE RON RIGHT HAND (GLOVES WERE BEING WORN). LACERATION AND POSSIBLE FRACTURE BELOW LAST J OITN AND TIP OF LITTELE FINGER.
AATTEMPTED TO CLIMB LADDER WHILE CARRING 18"X24" RUBBER IMPACT PANEL. LOST BALANCE, FELL TO GROUND ABOUT 3', AND CORNER OF PANEL CUT LEFT UPPER ARM. LACERATION WITH MINIMAL BLEEDING, CLOSED WITH SUTURES AT EMERGENCY MEDICAL FACILITY, RETURN TO WORK.
1994 · 1 incident
TRAMP IRON DETECTED ON BELT. INJURED ACCESSED BELT TO RETRIEVE METAL PIECE AND BELT ROLLED BACK CAUSING INJURED TO FALL AND RECEIVED INJURIES. FOUND, FAILED DODGE BACKSTOP ASSEMBLY. BACKSTO P REPLACED. ABRASIONS TO FINGERS/BROKEN THUMB.
1993 · 4 incidents
WAS CLEANING TOE OF SLOPE WITH DOZER BLADE, AND HIT A ROCK. THE EQUIPMENT CAME TO A SUDDEN STOP. LEFT HAND WAS ON THE LEFT STEERING CLUTCH HANDLE AND IT JARRED HIS HAND, ARM, SHOULDER AND NECK INTO SPINE.
HIT HEADF ABVOVE LEFT EYE ON STEEL SUBSTRUCTURE WHILE CLEANING UP UNDER DUMP HOPPER.
OPENED RADIATOR ON A CRANE & HOT WATER SHOT UP & BURNED FACE & NECK.
ROCK FELL FROM INCLINED STACKING CONVEYOR WHILE EMPLOYEE WAS CLEANING UNDER CONVEYOR RADIAL DRIVE AREA. RETURNED TO WORK AFTER APPLYING ELASTIC BANDAGE AND DRESSING ABRASIONS.
1992 · 6 incidents
EMPLOYEE WAS TAKING OVERSIZE ROCK OFF CONVEYOR HE STOOD IT UP (ROCK) ON ITS EDGE TO THROW OVER THE SIDE WHEN ROCK ROLLED DOWNWARD SHARP EDGE CUTWRIST
EE STATED INJURY NOT RELATED TO JOB DUTIES BUT AGGRAVATED BY THEM. THIS IS FROM A PAST INJURY.
EE WAS BEING TRANSFERRD IN THE BED OF A CO PICKUP AS HE STEPPED OVER THE TAILGATE & STEPPED UPON THE REAR BUMPER HIS FOOT SLIPPED & HE FELL TO THE GROUND
ATTEMPTING TO TURN ROCK BY HAND. ROCK SHIFTED, CATCHING FINGER BETWEEN ANOTHER ROCK.
WHILE WORKING ON CONSTRUCTION MACHINERY CHECKING OIL AFTER STARTING THE D-11 MACHINE SOMETHING BLEW INTO RIGHT EYE.
WHILE RE-HOOKING LIFTING CHAIN ON JAW CRUSHER,TOGGLE PLATE -350 LBS-ROLLED OVER ON HAND WHICH WAS UNDER PLATE TRYING TO FREE UP CHAIN. POSSIBLE BROKEN FINGERS,LEFT HAND.
1991 · 1 incident
WHILE CLEANING PLANT AREA PRIMARY PLANT A ROCK BOUNCED OFF OF CHUTE AND HIT HIS KNEE, LEFT KNEE.
1990 · 2 incidents
FALL FROM TRACTOR
SHOVELING DIRT AROUND PLANT AREAS.
1989 · 3 incidents
CLIMBING UPON 773 ROCK TRUCK <TO GET INTO CAB| GRABBED ONTO SCREEN ABOVE CAB TO PREVENT FROM FALLING BACKWARDS ACTUAL DATE OF INJURY SAID TO HAVE BEEN 100289FIRST REPORT OF INJURY WAS 101989 I NJURY IS TO RIGHT WRIST WITH SORENESS & LOSS OF RANGE OF MOTION
POSSIBLE INSECT.
WALKING ACROSS TRUCK SCALE FOOT WENT THROUGH BROKEN FLOOR BOARD INJURY WAS AN ANKLE SPRAIN
1987 · 2 incidents
EMPLOYEE IS A H9AVY DUTY REPAIRMAN AND WAS REMOVING A HYDRAULIC HOSE AND GOT HYDRAULIC OIL IN HIS RIGHT EYE.
EMPLOYEE WAS ST9PPING DOWN FROM CAB OF WATER TRUCK AT THE END OF SHIFT AND STEPPED ON A ROCK AND TWISTED ANKLE.
The full compliance file on Azusa Rock
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.