Copperton Concentrator — Accidents

Total: 158 accidents | Fatalities: 1

Date Classification Injury Days Lost Narrative
07/18/2025 EXPLODING VESSELS UNDER PRESSURE NO DYS AWY FRM WRK,NO RSTR ACT None Miner attempted to puncture aerosol can on vice at which time the can exploded, lacerating EE's face and chipping a tooth requiring stitches and outpatient cosmetic dentistry
07/15/2025 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None While installing Tech screws into a panel, a metal shaving went in to employee's right eye. EE did not notice it until EE got in EE's car as was going home around 16:20. It felt itchy, and EE began ru...
06/30/2025 OTHER INJURIES DUE TO NATURAL CAUSES None The death was caused by a heart attack, as confirmed on the death certificate. This was a personal medical event unrelated to work. No workplace factors contributed, and no controls could have prevent...
06/13/2024 ELECTRICAL DYS AWY FRM WRK & RESTRCTD ACT 19d lost, 17d restricted Crush & Convey Electrical Team Member was called by the Crusher Control Operator to troubleshoot a power loss issue related to the magnet on the M3 belt. Employee began troubleshooting the 480V Breake...
05/14/2024 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 None Third party audiologist confirmed Noise Induced Hearing Loss of a Miner that is work related and greater than 25dB.
05/30/2023 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 1d lost Worker slipped due to the muddy conditions and hit forehead on the end of a steel bar as EE fell. Deep laceration required stitches at a clinic.
02/03/2023 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee placed hand between tube and machinery while placing tube. Tube shifted causing finger to be caught between tube and equipment.
05/18/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 96d restricted An Electrical technician was replacing a crusher mantle position probe, the probe came down pushing the technician's right arm downwards, contacting the elevated work platform top rail, and resulting...
03/09/2022 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 1d lost EE was vacuuming a sump with an Air Mover Vacuum Truck & 6"" pipe and hose, when piping became stuck. After breaking the vacuum on the piping with the vacuum relief device which de-energized the vacuu...
03/08/2022 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None Snow covered concrete blankets were to be removed, the employee was hooking the rigging to the forklift when the bucket moved hitting them on the hard hat.
08/09/2021 POWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 7d restricted EE injured during a roll over vehicle incident. Driver stated EE saw something in the road and EE swerved. Pick up left the paved road and ended up in the ditch on the side of the road and rolled on t...
04/07/2021 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None The employee was drilling two holes in a large back splash with a drill. The back splash was tied to the wall with rope. While drilling the holes, back splash fell on the employees left hand. The empl...
04/01/2021 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 43d lost While unhitching a light plant from a pickup. The employee stepped down onto the bumper to apply downward force and felt a pain in the right heel of their foot. Upon evaluation from a medical facility...
10/01/2020 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee removed cut resistant gloves to apply a clean label to a wire. Employee states they forgot to put gloves back on before moving to next task. While using a linemen's tool to score the outer ja...
09/14/2020 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None While unloading a pump the employee's hand slid across an exposed sharp edge on the tailgate of the truck resulting in a laceration to a finger which required sutures to close.
07/25/2020 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 43d lost Employee's foot was stuck in mud / material, EE started to fall and let off the blaster hose that EE was spraying causing EE's momentum to go forward causing EE to fall.
06/22/2020 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 9d lost, 3d restricted Two Employees were working to remove a broken spreader beam from the body screen deck to install a new spreader. EE 1 was on the screen deck cutting the spreader to remove. EE asked EE 2 to come up o...
06/09/2020 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was stripping a large cable with a razor blade. While stripping the cable, the razor slipped and struck EE's left hand resulting in a minor injury requiring two sutures. A commercial stripper...
04/29/2020 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None A mechanic was using a Porta Power to push a bearing on a drive pulley to achieve the final alignment. A bolt was used to extend the length of the porta power cylinder. The bolt ejected during the pro...
04/17/2020 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Employee tripped over edge of a piece of fire blanket that had been dislodged by another contractor and fell onto EE's knee. EE has been diagnosed with a hematoma and potential strain. No medical or w...
04/15/2020 POWERED HAULAGE NO DYS AWY FRM WRK,NO RSTR ACT None An employee was moving lifters to a cart with a forklift. EE did not lift the forks high enough which caused the lifter to fly up and hit another employee in the lip.
01/23/2020 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Employee was working inside the building on a sloped concrete floor. EE had tied the ladder to the structure and was in the process of welding a flange when the ladder slightly shifted startling the w...
07/24/2019 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Miner was working around an electrical box, when a dust particle entered left eye, on 7/24/19 it was not reported until next day 7/25/19. Miner was taken to clinic had a corneal abrasion requiring pre...
07/21/2019 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 89d lost Employee closing a 24"" valve with a wheel handle, awkward access and hard to turn. Employee put their body weight into the valve handle to help get it to turn. When the valve handle finally loosened...
05/09/2019 SLIP OR FALL OF PERSON DYS AWY FRM WRK & RESTRCTD ACT 1d lost, 5d restricted Officer was hurrying to ensure there was no unauthorized access at the gate. Stepped off curb, twisted ankle. Step is 7 inches tall. Boots were laced, but loose. Officer has sprained ankle.
01/25/2019 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None Employee was on a catwalk there was a slick spot of snow and ice, employee slipped fell and hit nose and lip on the rounded toe board requiring 4 sutures to close
12/31/2018 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 51d restricted During a sampling event at the Kennecott pit, employee lost their balance, fell down on right side/elbow while wading through snowy terrain resulting in a dislocated elbow.
06/07/2018 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 107d lost Craftsman was in the C9 trough replacing a return roller at the middle of the belt. EE had another craftsman on the outside edge helping remove and install. As the craftsman moved the roller into plac...
12/27/2017 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None While preparing a reagent tanker for unloading an employee ascended the side ladder of the tanker trailer to access and inspect the vent cap. At some point, the employee lost balance and fell into th...
10/04/2017 OTHER INJURIES DUE TO NATURAL CAUSES None Employee suffered a fatal cardiac arrest on 10/4/2017 due to a personal illness. Full description obtained by MSHA Inspector - Rocky Mountain District.
08/29/2017 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted Employee visited a personal physician and described a rash on lower legs. The physician placed employee on restricted duty for two weeks. There are no details on if this is or is not work related, ho...
06/27/2017 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None While lifting a hydraulic wrench, employee strained right shoulder.
05/24/2017 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee was in the process of completing a lockout when they dropped the lock on the grating, bent to retrieve the lock and when standing up, struck their right ear against a sink resulting in a l...
03/06/2017 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 57d lost Employee indicated that while walking from light truck to a maintenance area employee slipped on ice and injured shoulder. Initially, and through today, this was felt to not be work related as the em...
10/18/2016 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee smashed pinky finger of right hand between pry bar and steel structure holding the donut inlet tab above ball mill feed.
07/30/2016 ELECTRICAL ACCIDENT ONLY None A lightening strike initiated a grass fire on the reclaimed south tailings impoundment. The fire was contained to approximately 5 acres, between 2 dirt roads. The fire was controlled while it burned...
07/07/2016 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 4d lost A water truck became stalled and rolled back, contacting a pickup truck's front bumper. As a result of the impact, the driver's head contacted the dash/steering column. This resulted in a minor frac...
04/07/2016 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 475d lost On the date of the alleged incident, the illness was not reported. The employee complained of discomfort in back, due to lifting a jack out of a pickup truck, days later. Through medical evaluations...
12/29/2015 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 40d lost The employee was walking on grating at a pump station, employee slipped and fell on some ice. This resulted in employee striking right knee on the grating. Employee had knee swelling and complicatio...
08/24/2015 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 30d restricted Employee was opening a gate valve on water when he felt a pain in his left elbow. The pain did not completely go away and the employee was evaluated by a physician on 9/15/2015. The employee was diagn...
07/31/2015 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 12d lost, 8d restricted An overcharged product delivery hose containing compressed air and lime pebbles separated from the connective fitting. The resulting blast of air and pebbles sprayed the driver's torso. The lime pebbl...
07/23/2015 OTHER INJURIES DUE TO NATURAL CAUSES None The death was caused by a personal medical condition. The employee was found unconscious and non-responsive. The incident is currently being investigated by MSHA as a non-chargeable incident.
04/20/2015 OTHER INJURIES DUE TO NATURAL CAUSES 29d lost The employee became confused and said that he wanted to find his father. He also claims to hear voices.
04/16/2015 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 1d lost As a driver exited his vehicle, he slipped on ice, twisted his knee and fell hitting his back and head on the running board of the vehicle. After evaluation at a local hospital, he was diagnosed with...
11/06/2014 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was tightening bussing from transformer to gear. Wrench slipped off striking #8 tooth. Employee went to see dentist. Dentist wanted to wait to see if pain subsided. No prescription meds, root...
05/29/2014 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee was assisting in moving 1/2"" steel plate when his right ring finger was pinched between the plate and his boot toe causing a crushing injury. X-Rays were positive for fracture of the end bon...
11/04/2013 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Improper tool was used for the task at hand while stripping a cable to be installed.
01/15/2013 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employee received laceration that required 8 sutures when his left ring finger was caught between bolt nut and pump flange. He was holding the nut with left hand while using an impact wrench to drive...
11/13/2012 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 35d lost A craftsman was assisting with the replacement of a conveyor belt scraper. He handed the new scraper through the access port of the head box to his co-worker & helped position it in place. As he did t...
08/07/2012 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None An employee was in the process of repairing a trunnion grease line. The guarding was pulled away from the mill with a winch. Once the grease line was repaired, a wedge was placed in between and tensio...