Cantera Perez has $148K in proposed MSHA penalties and $607 outstanding across 16 contested dockets, plus health sampling and the full incident record.
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Fatalities
0
Total incidents
103
Years on record
1986–2014
Latest incident
Jan 2014
Compliance record
MSHA citations since 2000
141
citations
77
significant & substantial
$147,757
proposed penalties
$102,547
paid to date
69% of proposed penalties paid to date, a $45,210 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2000
103
inspections on record
861
inspection hours
n/a
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.
Rate withheld: 861 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Cantera Perez has $148K in proposed MSHA penalties and $607 outstanding across 16 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.
$148K
proposed penalties
$103K
current assessed
$103K
paid to date
$607
outstanding
135 assessments are final orders; 16 contested dockets.
As of the most recent assessment on 2023-06-05.
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
2023 Q1
4,217
1
0
237.1
2022 Q4
4,297
0
0
0.0
2022 Q3
5,161
0
0
0.0
2022 Q2
5,891
0
0
0.0
2022 Q1
0
0
0
2015 Q1
2,336
0
0
0.0
2014 Q4
2,794
0
0
0.0
2014 Q3
2,841
0
0
0.0
Show 58 earlier quartersHide earlier quarters
Quarter
Hours worked
Citations
S&S
Per 1M hrs
2014 Q2
4,961
0
0
0.0
2014 Q1
7,098
5
3
704.4
2013 Q4
6,248
0
0
0.0
2013 Q3
5,935
2
0
337.0
2013 Q2
8,140
0
0
0.0
2013 Q1
10,253
5
1
487.7
2012 Q4
10,873
0
0
0.0
2012 Q3
10,409
0
0
0.0
2012 Q2
10,568
7
0
662.4
2012 Q1
9,487
0
0
0.0
2011 Q4
9,460
3
0
317.1
2011 Q3
8,859
2
1
225.8
2011 Q2
9,629
0
0
0.0
2011 Q1
10,980
0
0
0.0
2010 Q4
10,963
4
1
364.9
2010 Q3
9,929
0
0
0.0
2010 Q2
9,167
3
1
327.3
2010 Q1
8,135
1
0
122.9
2009 Q4
12,796
0
0
0.0
2009 Q3
12,916
6
2
464.5
2009 Q2
12,388
0
0
0.0
2009 Q1
13,113
13
4
991.4
2008 Q4
12,967
0
0
0.0
2008 Q3
14,128
5
4
353.9
2008 Q2
18,155
0
0
0.0
2008 Q1
17,508
6
4
342.7
2007 Q4
18,047
0
0
0.0
2007 Q3
5,804
9
9
1550.7
2007 Q2
19,389
1
0
51.6
2007 Q1
17,448
0
0
0.0
2006 Q4
4,806
0
0
0.0
2006 Q3
18,513
0
0
0.0
2006 Q2
19,148
0
0
0.0
2006 Q1
19,654
8
5
407.0
2005 Q4
18,328
0
0
0.0
2005 Q3
20,701
0
0
0.0
2005 Q2
20,803
0
0
0.0
2005 Q1
18,222
3
3
164.6
2004 Q4
18,864
0
0
0.0
2004 Q3
21,263
0
0
0.0
2004 Q2
22,604
2
1
88.5
2004 Q1
21,006
9
4
428.4
2003 Q4
21,339
0
0
0.0
2003 Q3
24,567
1
1
40.7
2003 Q2
23,861
0
0
0.0
2003 Q1
22,144
8
5
361.3
2002 Q4
22,506
0
0
0.0
2002 Q3
23,363
13
11
556.4
2002 Q2
23,134
0
0
0.0
2002 Q1
22,904
2
2
87.3
2001 Q4
21,250
0
0
0.0
2001 Q3
24,044
11
8
457.5
2001 Q2
25,713
0
0
0.0
2001 Q1
22,518
6
4
266.5
2000 Q4
22,547
0
0
0.0
2000 Q3
23,693
2
2
84.4
2000 Q2
23,496
0
0
0.0
2000 Q1
20,905
2
1
95.7
No fatalities recorded at this mine.
Reportable incidents
103 on file
2014 · 1 incident
January 17, 2014PR · Metal/Non-Metalhaul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driverSLIP OR FALL OF PERSON
He was at Plant III helping the welder, he had to pass the belt of the crusher to the stairs he lost balance and fell on the belt hitting it with the right side of his back, causing a bruise.
February 15, 2012PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
The miner alleges that while cleaning plant III with a machete he cut himself on the left knee, he got four stitches on it and was given many days of rest.
2011 · 1 incident
January 27, 2011PR · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerHANDLING OF MATERIALS
He (the injured) was helping the welder providing him metal rods to weld a part. When the welder finished he started to clean the part and from the dirt that came out, a piece of approximately 1/2" hit him in the right eye causing him a laceration.
2010 · 1 incident
January 18, 2010PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
While adjusting the bolts of the grinder in Planta I, the bar slipped and he lost his equilibrium hitting his left hand against the conveyor & injuring small finger of left hand.
April 7, 2009PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDTOOLS (NONPOWERED)
While tightening the bolts on the rollers of the excavator with a cup, a handlegrip and a piece of tubing, the piece slipped and hit him on the little finger of the left hand.
2008 · 1 incident
March 11, 2008PR · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerSLIP OR FALL OF PERSON
While cleaning under the grinder in Plant #2, the grinder filled up with rocks and they fell near the screens hitting him on the head. A rock weighs about 8 pounds. The impact of the rock tore the straps of the helmet and resulted in a bump that swelled up on the head.
August 9, 2007PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
While repairing the transmission, he took a piece out of the clutch and the transmission moved. It hit him on the muscle of the right leg causing pain.
August 3, 2007PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDTOOLS (NONPOWERED)
After placing the curtain ring in the axle's end cover, he hammered it. A fragment of the metal flew into the left leg muscle and embedded causing an injury.
June 19, 2007PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
WHILE POLISHING INSIDE THE FEEDER (HE HAD A SAFETY MASK & GLASSES) HE FELT THAT SOMETHING FELL INTO HIS LEFT EYE. HE WASHED HIS EYE OUT BUT THE ANNOYANCE CONTINUED.
August 6, 2005PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
While loosening a screw on machine #9 and pulling the key, it (the key) slipped and became tangled int he machine hitting EE's thumb on his right hand. (Conversation with ee had to have stitches on his thumb and missed no work but did have restricted duty. He supervisor work during his restricted period.)
April 5, 2005PR · Metal/Non-Metalcoal/ore shovel operator, shoveler, power shovelerSLIP OR FALL OF PERSON
Every time that Employee begins to work he verifies/checks that one of the loose screws on the excavator is tightened. When he was climbing down he slipped on the small ladder on the excavator and the ring on his finger on his left hand struck the ladder causing a small cut on his finger.
March 9, 2005PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorFALLING/SLIDING/ROLLING MATERIALS
THE LATERAL (SIDEBOARD) HAD COME OFF THE PLANT CONVEYOR BELT AND COWORKER TURNED OFF THE CONVEYOR TO LOCATE THE LATERAL. EE PROCEEDED TO ACCOMMODATE THE LATERAL (PICK IT UP & POSITION IT ON THE BELT) BUT EE DID NOT NOTICE THAT THERE WAS A STONE FALLING. THE STONE STRUCK EE BETWEEN THE NAPE OF THE NECK, HEAD AND SHOULDERS.
The employee was cleaning under the conveyor of Plant II, a metal bar fell off the strap (conveyor) & bounced off EE's rt. chin causing a cut on the outside & inside of his lip. (Rt. mandible traumatic wound).
October 11, 2004PR · Metal/Non-Metallaborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitmanHANDLING OF MATERIALS
While cleaning the plant 3 breaker (crusher) a piece of 2 by 4 wood fell, hitting the index finger of his left hand.
September 1, 2004PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorOCCUPATIONAL SKIN DISEASES
Cantera Perez Inc · Absorption of radiations, caustics, toxic and noxious substances
He alleges that the rash he has on his legs, arms and flanks (the outer side of the upper part of the thighs) was produced due to his work with the company.
August 9, 2004PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
ENGLISH TRANSLATION: EE WAS MOUNTING A PINEAPPLE TO THE CONVEYOR WITH A COWORKER IN THE PLANT. THE PINEAPPLE FELL, CAUSING EE TO RECEIVE THE FORCE OF THE IMPACT ON HIS WAIST. THIS OCCURRED AS THEY TOOK A HOLD OF THE PINEAPPLE.
June 2, 2004PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Cantera Perez Inc · Caught in, under or between (Not Elsewhere Classified)
Working in plant II placing lateral, pinched left hand causing laceration to 3rd, 4th, & 5th fingers.
EE ALLEGES AS HE WAS GETTING OFF THE MACHINE HE STEPPED ON A SHARP ROCK & SPRAINED HIS LEFT FOOT. HE FELT PAIN AND THAT SOMETHING HAD BROKEN IN HIS LEFT KNEE. EE HAD SURGERY ON THAT KNEE & HAS NOT RETURNED TO WORK. NOT EXPECTED TO RTW FOR AT LEAST 3 TO 4 MONTHS.
February 25, 2004PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techELECTRICAL
Cantera Perez Inc · Absorption of radiations, caustics, toxic and noxious substances
WHILE INSPECTING THE CATERPILLAR TRUCK 7769B#4 (WHICH WAS NOT RUNNING AT THE TIME), EMPLOYEE, WHO IS A MECHANIC, WAS STRUGGLING WITH THE BATTERY CABLE. HE ASKED THE DRIVER TO START THE ENGINE WHICH CAUSED THE BATTERY ACID TO SPLASH ON HIS FACE.
February 11, 2004PR · Metal/Non-Metaltruck driverPOISONING (TOXIC MATERIALS)
Cantera Perez Inc · Inhalation of radiations, caustics, toxic and noxious substances
EE ALLEGES THAT AS A CONSEQUENCE OF THE CARBON DIOXIDE GASES AND DUST PARTICULATES POWDER FROM THE TRUCK THAT THIS CAUSED HIS ASTMAS TO FLAIR UP. HE HAD NOT RETURN TO WORK.
WHILE DIGGING IN THE MINE #1 PLANT WITH A BAR, THE BAR SLIPPED BETWEEN THE ROCK AND THE MINER CAUSING A PART OF THE ROCK TO BRUISE THE MINER ON THE RIGHT SIDE OF THE HEAD.
EE WAS GETTING OFF THE BUS AT THE END OF THE SHIFT, TRIPPED & FELT PAIN IN HIS BACK & RIGHT LEG.
2002 · 9 incidents
September 30, 2002PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSLIP OR FALL OF PERSON
EE WAS ADJUSTING A (SPANISH-CUNA?) CRADLE AT THEPLANT. HE SLIPPED AND FELL TO THE GROUND AND INJURED HIS BACK, HEAD AND HIP.
April 22, 2002PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
SE ENCONTRABA REPARANDO UN EQUIPO DE LA PLANTA YSE DIO CON EL MARTILLO EN EL DEDO PULGAR DE LA MANO IZQUIERDA. (EE WAS REPAIRING PLANT EQUIPMENT WHEN HE HIT HIS LEFT THUMB WITH A HAMMER).
EE WAS CHECKING LOADER & WHILE RETURNING TO GET ON LOADER HE SLIPPED OFF & FELL ON BUTT. HE HURTHIS RIGHT SIDE
May 13, 2000PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSTEPPING OR KNEELING ON OBJECT
HE WAS PREPARING TO GO ON BREAK WHEN HE STEPPED IN A ANGULAR THAT WAS ON THE GROUND. THE ANGULARPOPPED UP AND HIT HIS RIGHT SIDE OF HIS CHEST, LEAVING HIM TEMPORARILY DAZED.
April 4, 2000PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
EE ALLEGES THAT WHILE WORKING AT THE PLANT 3 SITE, A ROCK GOT STUCK ON THE SOLE OF HIS BOOT. AND AS HE WAS GETTING OFF THE TRUCK TO HELP THE SUPERVISOR OF THE PLANT, SLIPPED OFF THE STEPS OF T HE TRUCK CAUSING HIM TO FEEL A STRONG PAIN ON HIS RIGHT LEG AND HEAT SENSATION ON HIS LOWER BACK.
June 24, 1999PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDTOOLS (NONPOWERED)
EE WAS TAKING ROCK OUT OF CRUSHER AND THE BAR SLIPPED AND STRUCK HIM ABOVE THE LEFT EAR KNOCKING HIM TO THE GROUND. CO-WORKER PICKED HIM UP AND TOOK HIM TO THE DOCTOR.
1998 · 1 incident
January 19, 1998PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDTOOLS (NONPOWERED)
CLEANING IN THE PLANT WITH A BAR IN THE MILL. THE BAR BECAME ENTANGLED WITH A STRAP ON THE MILL, SLIPPING FROM HIS HANDS AND PRODUCING A WOUND ON THE RIGHT SIDE OF HIS HEAD.
THE EMPLOYEE WAS WORKING IN THE WELDING SHOP POLISHING THE MACHINE. WHEN HE WAS MAKING THE STOKES UP& DOWN (TO POLISH),HE LOST CONTROL OF THE MACINE AND IT MAD A DEEP LITTLE CUT IN THE HIGHER PART OF THE LEG.
May 30, 1997PR · Metal/Non-Metalfront-end loader, scraper-loader operator, pan operator, payloader, scraper rig operatorSLIP OR FALL OF PERSON
SUPPLYING THE CRUSHER WITH THE CATERPILLAR. HE GOT DOWN FROM THE VEHICLE TO CONFIRM SOMETHING. HE SLIPPED ON THE ARCH AND STRUCK HIS LEFT SHOULDER.
April 26, 1997PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techSLIP OR FALL OF PERSON
THE EE WAS TIGHTENING A NUT IN PLANT #4 AND HE LEANED ON TWO BOARDS. UPON APPLYING FIRM PRESSURE ON THE NUT WITH A WRENCH, HE SLIPPED AND FELL APPROX. 3' IN HEIGHT, LANDING ON HIS RIGHT SIDE.
April 18, 1997PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
Cantera Perez Inc · Caught in, under or between (Not Elsewhere Classified)
LABORING DOING CLEANING IN PLANT WHEN A STONE FELL & HIT EE IN BACK.
June 26, 1995PR · Metal/Non-Metalbulldozer operator, universal operator, heavy equipment operator, operating engineerSLIP OR FALL OF PERSON
Cantera Perez Inc · Caught in, under or between (Not Elsewhere Classified)
HE WAS UNDER THE LOADER INSTALLING A GROUND SWITCH BEHIND IT. IT FELL TO THE SIDE CAUSING HIM TO LOSE HIS BALANCE, CATCHING HIS SHOULDER AND RIGHT ARM IN THE SAFETY HARNESS.
EMPLOYEE, A MECHANIC HELPER CLEANING UP THE WORKSHOP, SLIPPED AS HE WENT TO THROW A BUNCH OF SHARP MATERIAL INTO TRASH CAN & GOT A CUT ON THE LITTLE FINGER OF HIS RIGHT HAND WHEN HE TRIED TO K EEP THE MATERIAL FROM FALLING.
December 1, 1992PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDTOOLS (NONPOWERED)
Cantera Perez Inc · Caught in, under or between a moving and a stationary object
EE CLEANUP MAN OPERATING CRUSHER WAS USING A BAR TO REALIGN A SLIPPED SIDBOARD WHEN A ROCK STRUCK THE BAR WHICH PINCHED HIS RIGHT HAND AGAINST SOMETHING AND INJURED THE MIDDLE AND RING FINGERS .
November 9, 1992PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorHANDLING OF MATERIALS
EE WAS UNLOADING A PIECE OF METAL BEAM FROM A LOADER.THE BEAN SLIPPED AND FELL ON THE BIG TOE OF HIS RIGHT FOOT.
1991 · 1 incident
March 6, 1991PR · Metal/Non-Metalwarehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operatorSLIP OR FALL OF PERSON
August 3, 1990PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
TRANSLATED FROM SPANISH: EE, A MECHANIC, WAS TRYING TO ALIGN AXLE WHEN HIS ARM SLIPPED AND HIS RIGHT ELBOW STRUCK SOMETHING.
July 17, 1990PR · Metal/Non-Metalcleanup man, cleanup workerPOWERED HAULAGE
Cantera Perez Inc · Caught in, under or between running or meshing objects
TRANSLATED FROM SPANISH: EE, CLEANUP MAN, WAS SHOVELING SAND ONTO CONVEYOR WHICH FEEDS THE CONE CRUSHER WHEN HIS RIGHT HAND MOMENTARILY WAS CAUGHT IN ONE OF THE ROLLERS.
TRANSLATION- EE WAS HELPING LIFT A METAL PLATE FOR THE CRUSHING PLANT WHEN THE PLATE SLIPPED HE TRIED TO AVOID IT AND HIT THE UPPER LEFT SIDE OF HIS BACK ON A GRATE OF THE PLANT THIS PRODUCED A SWELLING
INJURED WAS CLIMBING THE LADDER OF A MONO TO DRAIN THE RADIATOR WHEN HE FELT A SHARP PAIN IN THE UPPER LEFT SIDE OF HIS BACK.
November 19, 1988PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Cantera Perez Inc · Caught in, under or between a moving and a stationary object
HE WAS HOOKING 7HE WELDING MACHING TO PICKUP AND IT SLIP ON M Y FINGER ON LEFT HAND
January 30, 1987PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
Cantera Perez Inc · Caught in, under or between a moving and a stationary object
THE MAN WAS FIL5ING AN OIL TANK AND THE DRUM SLIP AND TRAP HIS RT HAND
1986 · 1 incident
April 4, 1986PR · Metal/Non-Metalmaintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service techHANDLING OF MATERIALS
THE MECHANIC WA8 TAKING OUT A PIN FROM A MACHINE BUT HIS UPPER PART OF HIS RIGHT FINGER WAS CUT
For insurers, brokers, and safety consultants
The full compliance file on Cantera Perez
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.