O-N Minerals - Calcite Operation — Accidents

Total: 196 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
12/19/2025 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None EE slipped down an icy stair way and landed on their arm, resulting in a dislocated shoulder.
12/04/2025 FALLING/SLIDING/ROLLING MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted EE was on the 5th floor of the mill washing when a rock (4"" + size) came down from the 6th floor striking EE on the Left Elbow
10/28/2025 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None ee was removing idlers from conveyor for a belt change. when they went to move the idler to the floor, their finger got pinched/rolled in between the cans causing a laceration / split to right pinky f...
08/14/2025 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 86d lost, 15d restricted ee was throwing scrap steel into the skip when EE reaggravated a strain in EE's shoulder that occurred the day before.
08/01/2025 NONPOWERED HAULAGE DAYS RESTRICTED ACTIVITY ONLY 4d restricted employee was pushing a welding cart across the shop. one of the wheels fell into a low spot/crack in the concrete causing the cart to tilt. Employee reactively reached out with EE's arm to try to cat...
05/29/2025 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 16d restricted EE was pulling the fuel hose out of the fuel truck, as EE was pulling the hose out of the fuel truck, EE was walking backwards pulling the hose and EE tripped on a couple of large rocks causing EE to...
05/27/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted EE was trying to lift new bearing housing into place on take up. EE said EE was in an awkward position and said EE hurt EE's left wrist.
03/07/2025 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 10d restricted ee was spotting a haul truck, and as the ee was walking backwards, tripped over some loose stone/uneven ground and fell resulting in lacerations to hands and legs.
03/03/2025 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted Employees had a shaft in the upright position in the elevator. when they arrived their floor, one ee held the top while the other bent down to pick up the bottom end. Upon lifting, the ee felt a pop...
12/08/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 37d restricted EE was lifting trays of stone for sampling when they felt a strain in their shoulder. Incident was reported on 12/10. EE sought medical treatment on 12/18 and was issued work restrictions and continue...
11/16/2024 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 21d lost, 157d restricted EE was lifting a piece of plate steel into place with left hand - felt pop in bicep upon lifting. Suspected rupture of tendon; currently under medical evaluation.
11/15/2024 FIRE ACCIDENT ONLY None Roll crusher stalled, but drive belt kept running. Friction caused it to start on fire then ignite grease that lubricates the bearings. Response procedures executed at 5:57 when fire was discovered (c...
09/18/2024 FIRE ACCIDENT ONLY None contracted stripping crew reported a chip trailer had started on fire likely due to sparks from chipper igniting the chips. Operations were immediately shut down, emergency response executed and plant...
08/28/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted EE was heading to the top of the mill in the elevator to check an alarm. Upon reaching the 12th floor EE got out of the elevator and went to close the elevator door. EE was pulling the Strap on the ou...
07/31/2024 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 14d lost, 44d restricted EE bent down to remove toilet & felt a strain in back - reported at time of incident, no treatment sought at the time. EE was treated on 8/12/24 in ER due to ongoing/increased pain. Was put off work...
07/30/2024 MACHINERY DYS AWY FRM WRK & RESTRCTD ACT 4d lost, 5d restricted EE was welding/torching when piece of hot slag/steel fell into tongue of boot and burned through boot, sock and onto skin. First Aid applied - ee sought medical treatment on 8/7 due to increasing pai...
06/04/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 33d restricted Employee was attempting to remove an oil drain plug, and when it broke free, employee smashed pinky finger on a pipe
05/22/2024 HANDLING OF MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 58d lost, 30d restricted EE lifted a 2 x 12 plank to move it out of the way - as EE lifted, EE heard a ""pop"" in left bicep followed by shooting pain down to fingers on left hand. EE did a report only at the time, but sough...
04/23/2024 MACHINERY DAYS AWAY FROM WORK ONLY 1d lost EE was welding - grabbed wrong shield - received arc flash/burn to eyes
04/11/2024 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 20d lost EE reported discomfort in ankle - no specific event or incident contributed to the onset of pain. Following day, EE was experiencing increased swelling/pain and wasn't feeling well. Went to ER - adm...
03/12/2024 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 7d restricted Employees finger was pinched between screen deck media & frame resulting in laceration and fractured finger tip.
02/12/2024 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 7d restricted EE stepped off a platform (appx 12"" high) onto a rock (4-5"" diameter) which caused an ankle sprain. Lost time/work restrictions issued.
01/30/2024 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 62d lost Employee was working in the mine companies shop in good, dry conditions. Employee was repairing a Motor Grader and was working on the turntable, about 2 feet off the ground. When they went to get down...
11/22/2023 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 23d restricted EE knelt down on concrete to check a heater and felt sharp pain in knee cap. Reported at time of incident, but did not seek medical treatment until 11/29/23.
11/15/2023 STEPPING OR KNEELING ON OBJECT DAYS RESTRICTED ACTIVITY ONLY 32d restricted ee was going in for break - when EE exited the cab of the haul truck and walked across the catwalk to access the ladder, EE stepped on a large stone that was in the catwalk resulting in a sharp pain i...
09/29/2023 SLIP OR FALL OF PERSON NO DYS AWY FRM WRK,NO RSTR ACT None ee was climbing the access ladder to CAT haul truck. Gloved hand slipped causing ee to lose balance and fall to the ground. ee was on bottom rung of ladder. incident was reported on 9/29. EE sought in...
07/27/2023 DISORDERS (PHYSICAL AGENTS) OCCUPATNAL ILLNESS NOT DEG 1-6 1d lost Ee was working in high heat/humid conditions and experienced signs of heat exhaustion/dehydration - was treated and prescribed rest/off work for 2 days.
06/27/2023 HANDTOOLS (NONPOWERED) DAYS RESTRICTED ACTIVITY ONLY 4d restricted EE was using a utility knife to cut down boxes for recycling - thicker box required more force. Knife slipped at overlap point resulting in cut to abdomen. Cut required stitches and lifting restrictio...
05/24/2023 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 9d restricted EE was walking out of loading tunnel onto uneven grading and felt pop in left ankle.
01/30/2023 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 7d lost EE was climbing over conveyor belt so EE and another EE could finish securing the new conveyor channel and support leg install and felt a strain in left groin area.
12/08/2022 DISORDERS (REPEATED TRAUMA) OCCUPATNAL ILLNESS NOT DEG 1-6 5d restricted EE was shoveling stone (12/8) and power washing (12/12) - activities resulted in aggravation of a previous (non-work) injury causing strain/discomfort to forearm. Work restrictions given.
03/24/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 6d restricted employee was working on replacing bearings which entailed repetitive lifting (with assistance), and resulted in an abdominal strain.
02/09/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 4d restricted Steel dropped on workers arm.
02/01/2022 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 13d restricted Employee tripped on piece of floor plate/grate, and fell resulting in bruising to right ribs/shoulder. Placed on light duty work restrictions.
01/28/2022 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 15d restricted Steel plate slid out of one of the plate clamps then slid out of the other. The plate then struck EE's hand pushing it into a metal saw horse causing damage to two fingers on EE's right hand. EE was s...
01/07/2022 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 5d restricted Employee changed head/body position resulting in sensor on welding hood becoming blocked by a beam causing the shield to clear while employee was welding resulting in arc/welders flash.
12/22/2021 OTHER DAYS AWAY FROM WORK ONLY 35d lost Employee was getting tools from toolbox. When turning to go back towards workstation, felt a ""pop"" in right knee. Entire body was not facing direction of travel causing knee to twist.
07/07/2021 MACHINERY DAYS RESTRICTED ACTIVITY ONLY 3d restricted Injured was operating dozer when EE backed over windrow which jarred EE's back. Injured requested medical treatment on 7/13 and was given work restrictions.
06/15/2021 STRIKING OR BUMPING DYS AWY FRM WRK & RESTRCTD ACT 117d lost, 78d restricted Employee was fixing a leaking pipe near the gate valves. On the way out employee struck head going out of the tunnel into the pump house where the clearance is low. Requested medical attention on 06...
02/25/2021 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 51d lost, 29d restricted Mobile Mechanic was walking toward the passenger side of a pickup that was there to pick up the Loader Operator at the end of the shift. As EE was walking to the passenger side window, the truck move...
02/02/2021 OTHER DYS AWY FRM WRK & RESTRCTD ACT 11d lost, 12d restricted Injured was working on a 994 loader. EE had to lay down and reach out to get hydraulic hoses into position. This caused awkward body position and exertion caused a back strain.
08/18/2020 OTHER DAYS AWAY FROM WORK ONLY 10d lost Injured was climbing the ladder to haul truck cab when they felt a pop in calf.
06/27/2020 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 7d lost Team of millwrights was putting flights back on the apron feeder. As the millwrights were attempting to slide the flight, it suddenly moved and EE's finger was pinched between two flights.
05/05/2020 POWERED HAULAGE DYS AWY FRM WRK & RESTRCTD ACT 17d lost, 33d restricted Injured reported on 05/06 that EE began experiencing back pain while operating loader on 05/05. Injury was determined to be compensable by WC carrier on 05/26.
04/23/2020 FALLING/SLIDING/ROLLING MATERIALS DAYS AWAY FROM WORK ONLY 113d lost As employee was performing maintenance checks on primary surge stacker, the boom of the stacker collapsed and fell 20'. The employee was standing near the head pulley and suffered a broken leg and ve...
03/18/2020 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Employee was cutting a section of channel from conveyor. Piece fell sooner than anticipated and caught finger between channel and conveyor pan.
01/16/2020 OTHER NO DYS AWY FRM WRK,NO RSTR ACT None Employee was bending over to move a chain on the floor and felt a strain in back. Employee was seen by a doctor and referred to a chiropractor on the 20th.
01/08/2020 HANDLING OF MATERIALS DAYS RESTRICTED ACTIVITY ONLY 30d restricted Employee was exiting a chute after welding on lifting lugs to remove wear plates. As EE was exiting, EE felt discomfort in EE's knee. EE saw a doctor on the 13th and was given restrictions
11/01/2019 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 36d restricted Employee was attempting to use a pipe wrench to roll a conveyor backward in order to dislodge some oversize that was wedged between the feed chute and belt. The employee slipped, resulting in a fract...
08/04/2019 POWERED HAULAGE DAYS AWAY FROM WORK ONLY 9d lost Loader operator was running production loader in the quarry. At the end of the shift, they reported soreness in upper back near right shoulder. Employee was taken to the doctor and given time off awa...