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While cleaning the clean air side of Silo 51 air slide, an employee found the slide choked and not flowing. EE used a short air lance to clear cement and restore flow. Cement blew back into EE's face, entering EE's right eye under EE's safety glasses. EE was sent to an eye doctor; no damage was found and antibiotic eye drops were prescribed. No lost time resulted. Returned to job.

On Feb 6, 2026, subcontractor, employee of Micronics (CRI MSHA ID C6220) was carrying blow pipes into the Keystone Cement Machine Shop. Leaving, their thumb was caught above the knuckle in a heavy counterweight-driven self-closing door that shut quickly and forcefully, causing a severe injury. The required stitches. The door's counterweight made it close fast, increasing the hazard

Miner was emptying dust collector, material flushed going in both eyes under glasses. Miner sent to emergency room, both eyes flushed out, eyes drops prescribe making this a reportable injury. Miner was released to full duty on 11/7/2025 after follow up appointment.

While stepping onto a parking pad outside of the electrical shop building, the employee slipped and fell to the ground. Employee landed on torso.

The CLG truck driver was attempting to dump a bulk load of ash at Giant Cement. The unit turned over while at the 3rd stage level. The driver was evaluated and issued prescription medication.

At the completion of a job on the Bypass Dust Collector the Production Coordinator was ensuring all valves for the system were secure. As they walked to the discharge valve on the bypass compartment (which was closed) a blast of dust came out from the Benetech inspection door. The material hit the employee in the face and head causing an injury to the left eye.

While walking up the stairs to the 3rd bank silo loadout. The employee was carrying two plastic bags in left hand and had backpack over right shoulder while on the way to the control room to start shift. The employee tripped on a stair tread and reached right arm out to brace the fall.

Miner was operating skid steer, backed into hole in roadway jarring the machine, EE's right elbow struck the safety bar and right shoulder contacted the cab enclosure causing a cervical strain and shoulder sprain. Injury became reportable on 10/7/2024 when employee received therapy for injury and restrictions.

While tightening a tubing fitting for a pressure transmitter on the preheater tower, an air cannon in the area where the employee was working activated. This caused hot gas/air to exit through a small leak in a cardox port causing injury to the employees face.

The employee was removing a sample from the pellet press machine when the sample cap contacted the control arm during extraction and was ejected from the machine striking the employee.

The employee was dismounting a railcar and felt a pop in their left leg. EE continued walking along the railroad tracks and discomfort increased. On 07/23/2024 the employee was issued a work restriction and physical therapy.

Employee got a cut on EE's forearm from a razor blade attached to tubing being used to cut full filter bags for removal and changeout, resulting in 6 stitches

While opening the quarry gate by pulling the gate open and walking along side of the gate; a rock became lodged under the gate causing a sudden stop of the gate's motion. The employee's arm/shoulder was pulled back suddenly causing a pain in the shoulder.

Employee was using air lance to dree frozen rock from a chute for several hours. Injured left shoulder due to repetitive work.

While walking from the parking lot to the building to begin working, the employee tripped over an uneven seam in the concrete parking lot. This caused EE to lose balance and fall to the ground landing on their hands and knees.

At approximately 4:oopm the employee was installing guards on the 471-DB-04 pan conveyor. While carrying a section of guard to the tail end for installation, the employee slipped on mud and fell to the ground with the guard section landing on EE's leg and back. The employee was issued a work restriction and prescription medication.

A fire was observed in the coal mill. It is likely that the slinger arms broke off in the coal mill equipment causing sparks and increased friction resulting in coal being heated and starting to combust.

Employee tripped going up stairs, fell, and wedged right thumb in step grating. The fall resulted in a fractured thumb.

While walking through the kiln/cooler area on 10/09/2023, the employee slipped on dust that had settled in the roadway causing EE's elbow to hit the pavement. On 10/10/2023 the employee requested a medical evaluation. On 10/24/2023 the employee had a MRI to evaluate the injury and that MRI revealed a fracture of bone and partial tear of tendon.

The employee was working on a kiln hydraulic pumps repair, and when EE was complete EE stood up and began to leave the area. When EE began walking, EE's boot caught on a hose that is attached to the equipment causing EE's to trip and hit EE's knee on the ground.

Employee opening cover on railcar and sprained right knee.

Employee was assisting with the installation of a conveyor belt and cut a finger.

The employee was manually stacking 75LBS cement bags. After doing so, the employee recognized pain in lower back and leg. On May 15,2023 the employee completed the accident notification to the company. After a medical evaluation, the employee was returned to work with a restriction and having been prescribed medication.

The employee was raising a face shield which was attached to EE's hard hat. Dust had settled on the brim of the hard hat. When the employee raised the face shield, dust fell between the hard hat and the face shield landing behind EE's safety glasses into left eye. All dust was flushed out, the employee was issued prescription medication for inflammation.

Employee was installing a port cover and crushed EE's left thumb between the cover and the riser section.

Miner was installing bolt on frame of conveyor holding head of bolt with right hand. As miner ran nut to tighten with an impact driver, the washer on the head of the bolt pinched miner's right thumb tip against the conveyor frame causing laceration requiring stitches to close.

Employee was working on the F780 clinker/slag conveying system. Employee looked up into the discharge chute of the F780 dust collection system to evaluate the condition of the chute and observe the condition of the dust collector bags. Employee knocked loose cement/slag dust which fell into employee's left eye. The employee was wearing safety glasses.

Employee was working in the No. 1 Finish Mill on a ladder lifting a liner above employee's head. The legs of the ladder were on top of mill balls and as the employee lifted the liner the ladder sank into the mill balls. The employee reacted by pushing harder on the liner and injured right shoulder.

The employee was loading blades onto a forklift. Once on the tine, the blade shifted forward smashing the employee's finger between that blade and a blade that had been previously loaded onto the forklift tine. On 11/22/22 the employee sought medical care and was diagnosed with a nondisplaced fracture of the left little finger

During the course of restarting finish mill 2 the employee was checking air slides for blockages. The employee opened an inspection door of an air slide and a blockage from upstream became dislodged. Dust from the dislodgement entered the employee's eyes although employee was wearing safety glasses.

The employee was using a cutting torch to remove corroded bolts from the synthetic gypsum system. After cutting 3 bolts the employee reoriented self to cut the 4th. This changed the direction that fumes would exhaust from the cutting. The employee felt dizzy and short of breath from the exposure and was issued prescription medication and restricted duty.

The employee was retrieving water from the warehouse to take to the pack house. While using a pocket knife to open the wrapping around the water bottles, the employee lacerated left index finger requiring the use of stitches.

Flames were observed after a dust spill from the coal mill. All employees and contractors were immediately removed from the working area. No injuries occurred as a result of this event.

While going up the stairs on the second level of finish mill 2 to clear an airslide; the employee missed a step and tripped causing employee to land improperly on the next step.

On 04/07/22 the employee was closing a rail car door. On 04/18/22 the employee was evaluated by a occupational clinic and issued prescription medication. While doing so, a gear in the door slipped or the employee lost EE's grip of the metal bar EE was using as a tool to close the door with and EE's right knee struck the ground causing a contusion.

The employee was assigned to remove lids on a dust collector in finish mill 3. After removing the bolts that secure the lid in place the employee (along with a second employee) began to lift the lid. While lifting the lid, it became stuck in place. The employee attempted to quickly pull the lid out of the stuck position and strained a muscle in their chest.

While performing the task of removing aeration grates from the cooler floor they said they lifted a grate out of place and as they stood back up felt a pope in their lower back.

While trying to open #8 feeder in the reclaim tunnel with a metal bar; the bar slipped out of the employees hand and contacted left thumb causing a fracture.

Employee was walking in stockpile area, slipped on ice covered with dust falling and striking right shoulder on ground. After continued pain in shoulder EE was sent for evaluation on 1/31/2022, MRI revealed torn rotator cuff in right shoulder. Injury became reportable on 2/18/2022 when surgery was performed to repair torn rotator cuff in right shoulder.

While installing the lower portion of a chain guard, the employee placed fingers between the guard and floor grating. The guard slipped pinching employee's left ring finger causing a laceration requiring 16 stitches.

The employee was working on a blower on the preheater tower which was locked out prior to working on the equipment. The employee was using an air lance to dislodge a stuck blower. Employee attempted to push the blades with hand in order to loosen them. The blades began moving unexpectedly and at a high rate of speed pinching three fingers between the blades and the housing.

The employee was working at the coal mill to change the position of a cam roller; when EE stopped to take a break, EE stepped onto a 17-ton shackle. When EE stepped on the shackle EE rolled left ankle, causing a sprain.

Two maintenance mechanics were disassembling a bucket elevator. One mechanic was holding a punch in place with a tool holder while the other mechanic struck it with a sledgehammer. A piece of metal that had mushroomed around the end of the punch sheared off and cut the left thumb of the mechanic holding the tool holder. The EE received three stitches to close the wound.

A fire was observed on the wood flooring on scaffolding at the cyclone level of the clinker cooler. The fire was extinguished with the removal of material from the area, fire extinguishers and water.

The employee had hand pinched between a hydraulic cylinder and a base plate at the #4 roller in the raw mill. The employee was holding the cylinder (approximately 50 LBS) in place with one hand and cleaning the lower threaded section with other hand. The cylinder slipped and struck the employee in the hand that was cleaning the threaded section causing the laceration.

An employee was on knees reaching into a box attached to the FK pump at finish mill 2 to remove a flapper arm. When employee lifted the flapper arm employee felt a sudden pain in lower back. The employee was issued a work restriction and prescription medication.

The employee was entering the raw mill to supervise preventative maintenance. As EE opened the door, EE moved EE's hand from the handle and placed it on a bracket, which created a pinch point. EE's fingers were caught in the pinch point causing a laceration, contusion, and fracture of EE's fingers.

The employee was driving a utility cart back to the third bank silos. Visibilty was reduced due to weather conditions. The employee hit the vertical stand of a truck wash. The employee was injured due to the impact.

Employee was in the breakroom and used a utility knife to remove a flash holder from safety vest that had been secured with a zip tie when employee accidentally cut left thumb. Employee received 3 stitches to close the laceration.