Mining Incidents

Columbus Limestone Metal/Non-Metal

Controlled by CRH PLC
Columbus, Franklin County, OH  ·  Active
MSHA Mine ID: 3304657

Columbus Limestone has $86K in proposed MSHA penalties and $1K outstanding across 6 contested dockets, plus health sampling and the full incident record.

Watch this mine

Email me when a new MSHA incident is filed at Columbus Limestone.

Fatalities
0
Total incidents
23
Years on record
2011–2025
Latest incident
Dec 2025
Compliance record
MSHA citations since 2011
259
citations
73
significant & substantial
$85,900
proposed penalties
$79,678
paid to date
93% of proposed penalties paid to date, a $6,222 gap.
Source: MSHA violations data, updated weekly.
Inspection activity
MSHA inspections since 2010
112
inspections on record
3,376
inspection hours
7.7
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.
259 citations across 3,376 inspection hours.
Source: MSHA inspections data, updated weekly.

Columbus Limestone has $86K in proposed MSHA penalties and $1K outstanding across 6 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.
$86K
proposed penalties
$81K
current assessed
$80K
paid to date
$1K
outstanding
250 assessments are final orders; 6 contested dockets.
As of the most recent assessment on 2026-01-12.
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
2025 Q4 35,967 19 7 528.3
2025 Q3 36,373 23 2 632.3
2025 Q2 36,556 0 0 0.0
2025 Q1 23,118 10 2 432.6
2024 Q4 34,916 1 1 28.6
2024 Q3 37,140 8 3 215.4
2024 Q2 34,544 0 0 0.0
2024 Q1 30,169 3 3 99.4
Show 53 earlier quarters
Quarter Hours worked Citations S&S Per 1M hrs
2023 Q4 33,492 1 1 29.9
2023 Q3 34,016 0 0 0.0
2023 Q2 36,357 6 2 165.0
2023 Q1 24,992 10 1 400.1
2022 Q4 37,946 13 1 342.6
2022 Q3 36,295 5 3 137.8
2022 Q2 33,504 0 0 0.0
2022 Q1 23,785 0 0 0.0
2021 Q4 34,400 0 0 0.0
2021 Q3 34,904 0 0 0.0
2021 Q2 32,406 0 0 0.0
2021 Q1 25,593 4 1 156.3
2020 Q4 32,574 0 0 0.0
2020 Q3 35,816 2 0 55.8
2020 Q2 32,081 0 0 0.0
2020 Q1 27,786 0 0 0.0
2019 Q4 32,283 3 0 92.9
2019 Q3 38,805 0 0 0.0
2019 Q2 31,442 0 0 0.0
2019 Q1 25,463 8 2 314.2
2018 Q4 30,051 5 2 166.4
2018 Q3 34,070 3 1 88.1
2018 Q2 32,651 5 1 153.1
2018 Q1 23,888 1 0 41.9
2017 Q4 29,299 3 1 102.4
2017 Q3 33,290 4 1 120.2
2017 Q2 34,452 6 3 174.2
2017 Q1 35,841 4 1 111.6
2016 Q4 34,925 9 4 257.7
2016 Q3 41,107 7 3 170.3
2016 Q2 37,863 11 5 290.5
2016 Q1 32,344 14 5 432.8
2015 Q4 32,924 8 0 243.0
2015 Q3 35,054 9 4 256.7
2015 Q2 37,117 6 5 161.7
2015 Q1 29,145 2 1 68.6
2014 Q4 32,953 4 0 121.4
2014 Q3 36,536 6 1 164.2
2014 Q2 34,468 3 0 87.0
2014 Q1 28,798 0 0 0.0
2013 Q4 30,185 2 0 66.3
2013 Q3 30,909 4 0 129.4
2013 Q2 33,190 1 0 30.1
2013 Q1 24,984 2 1 80.1
2012 Q4 29,165 4 1 137.2
2012 Q3 31,123 0 0 0.0
2012 Q2 32,314 3 0 92.8
2012 Q1 24,359 4 0 164.2
2011 Q4 26,695 5 2 187.3
2011 Q3 4,383 1 0 228.2
2011 Q2 4,111 0 0 0.0
2011 Q1 3,191 2 1 626.8
2010 Q4 1,771 0 0 0.0
No fatalities recorded at this mine.

Reportable incidents

23 on file

2025 · 4 incidents

December 9, 2025 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech STRIKING OR BUMPING
Shelly Materials Inc · Struck against stationary object

EE kicked frozen outrigger pad with right leg. EE initially felt no pain but 8-10 hours later, noticed some pain and swelling of the right knee. EE was accompanied by safety to an orthopedic clinic for exam the following day where they were prescribed steroids and given no lifting/pushing/pulling restrictions pending follow up.

October 24, 2025 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Shelly Materials Inc · Struck by flying object

EE states they were grinding a handrail by VSI crusher when a piece of metal went into eye. EE stated they were wearing proper PPE for the task. EE sought medical treatment the following night where the foreign body was removed from left eye. EE did not report the initial incident or subsequent medical treatment to the employer.

September 17, 2025 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Shelly Materials Inc · Struck against a moving object

EE was driving haul truck and began to experience lower back pain. EE was seen the following Monday on 9/22/2025 and provided a prescription anti-inflammatory and muscle relaxer. EE did not miss work or receive any restrictions.

August 7, 2025 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Shelly Materials Inc · Caught in, under or between a moving and a stationary object

EE states EE's hand was smashed by an unknown object when assisting with removal of welder from truck bed. EE stated on 8/7 and 8/8 that EE did not wish to seek medical treatment and no signs of injury were present. EE also stated that EE had previous injury to the same area of EE's hand. EE left site and sought treatment 8/9/25. EE resigned 8/20.

2024 · 1 incident

December 13, 2024 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver MACHINERY
Shelly Materials Inc · Struck by falling object

EE was tightening hammer bolts. EE was trying to get torque gun out of the crusher and dropped it on EE's pinky finger. EE went to local urgent care and a fracture on EE's small finger was identified.

2023 · 1 incident

October 10, 2023 OH · Metal/Non-Metal POWERED HAULAGE
Shelly Materials Inc · Accident type, without injuries

Haul truck veered off road and rolled onto its side. No injury to operator, only damage to haul truck.

2022 · 3 incidents

August 9, 2022 OH · Metal/Non-Metal steel worker, iron metal worker, iron worker MACHINERY
Shelly Materials Inc · Struck by... (Not Elsewhere Classified)

Centrifugal pump moved approx. 5 inches where 2 Mideast Workers were working. They were welding box tubes on the side of pontoons. IE was on platform and other EE was on the boat welding. IE was lowering box tubes down to EE with a rope and EE would weld them . EE heard a loud bang.

May 12, 2022 OH · Metal/Non-Metal steel worker, iron metal worker, iron worker HANDLING OF MATERIALS
Shelly Materials Inc · Struck by falling object

Injured employee reported a ware plate fell and hit employee's knee. Employee was released to return to work on 5/13/2022.

February 9, 2022 OH · Metal/Non-Metal steel worker, iron metal worker, iron worker HANDLING OF MATERIALS
Shelly Materials Inc · Struck by... (Not Elsewhere Classified)

EE was grinding rust from the primary sidewall under the crusher. EE finished grinding and proceeded to switch from clear glasses to burning glasses. In the process, grinding material fell into EE's burning glasses. When EE put the burning glasses on, material fell into EE's left eye.

2020 · 1 incident

August 12, 2020 OH · Metal/Non-Metal master mechanic, foreman, supervisor HANDLING OF MATERIALS
Shelly Materials Inc · Fall to lower level, (Not Elsewhere Classified)

Supervisor was using a wash down hose to clear material off a conveyor. When they turned the hose on, the pressure knocked them off balance. They stepped back and stepped down a 6 1/2" step to a lower platform. This shifted all the weight to left leg injuring it. Fractured the tibia and fibula bones in left leg.

2019 · 1 incident

October 17, 2019 OH · Metal/Non-Metal front-end loader, scraper-loader operator, pan operator, payloader, scraper rig operator POWERED HAULAGE
Shelly Materials Inc · Struck by flying object

Employee was operating a pit loader in the South Pit. While loading a haul truck, a rock came off the bucket & struck the cab/windshield. The windshield broke & sent small particles of glass into the operator's eye. The glass was not embedded in eyes. The particles were flushed out of the operator's eyes at the ER & operator was prescribed antibiotics as a preventative measure.

2017 · 1 incident

May 2, 2017 OH · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Shelly Materials Inc · Caught in, under or between (Not Elsewhere Classified)

A hydraulic cylinder was being replaced on the pedestal rock breaker. The cylinder was supported with a crane and a lever chain hoist. An employee's hand was pinched in a pivot point at the rod end of the cylinder. A laceration to the employee's right hand required 9 stitches to close the wound.

2016 · 3 incidents

June 30, 2016 OH · Metal/Non-Metal groundman, yardman SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall down stairs

Employee was walking the plant. While descending the stairs from the 4 1/4 crusher to the floor below EE slipped and fell onto the steps. Employee struck left elbow on the edge of a step causing a laceration to the elbow.

January 22, 2016 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver POWERED HAULAGE
Shelly Materials Inc · Struck against a moving object

Employee was operating a Cat 740B haul truck engaged in stripping activities. While traveling West, down a grade, empty, the truck veered off the right edge of the roadway causing it to slide and then overturn. The employee had severe lacerations above the left eye and behind the left ear. The truck sustained severe damage to the left side.

January 6, 2016 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDTOOLS (NONPOWERED)
Shelly Materials Inc · Over-exertion in wielding or throwing objects

Employees were removing chute work below the #7 screen. While supporting the chute with a boom truck the hardware was removed from flanges to split the chute at a joint. After removing the hardware a hammer was used to strike the chute to dislodge it. When the chute came apart it shifted to one side breaking through a hand rail and striking the employee on the right foot.

2015 · 1 incident

February 9, 2015 OH · Metal/Non-Metal utility man, errand boy, service truck operator POWERED HAULAGE
Shelly Materials Inc · Struck against a moving object

Employee was operating a John Deere 644K wheel loader. Employee was using the loader's bucket to scrape the floor in front of the face when the bucket struck a toe area in the floor. This caused a jolt that suddenly rocked the machine from side to side. Immediately after the jolt the employee felt pain in his lower back, left hip, and left leg.

2014 · 1 incident

February 11, 2014 OH · Metal/Non-Metal mine manager, mine foreman, mine owner MACHINERY
Shelly Materials Inc · Caught in, under or between a moving and a stationary object

I was fusing 12" HDPE pipe. While working the hydraulics, I got my left hand in the wrong spot pinching it between a block of wood and clamp on the fusing machine. Broke my index finger on left hand.

2013 · 4 incidents

August 20, 2013 OH · Metal/Non-Metal FIRE
Shelly Materials Inc · Accident type, without injuries

Hot ember from cutting torch smoldered on a urethane screen panel. Decks caught on fire in #4 screen doing damage to the screens and chute work. No injuries to any employees.

August 20, 2013 OH · Metal/Non-Metal FIRE
Shelly Materials Inc · Accident type, without injuries

2 fire watchers armed with extinguishers didn't see signs of fire during hot work. after saw flame 30' below on rubber screen, attempted to trigger the process water to the plant - not turned on, tried extinguishers - no help. called fire department. 2 screens, motor & electric wires burned.

May 7, 2013 OH · Metal/Non-Metal electrician, lineman HANDTOOLS (NONPOWERED)
Shelly Materials Inc · Struck by... (Not Elsewhere Classified)

EE was removing a sheave from an electric motor. The pusher bolts had broken off, While ee hit the sheave with a hammer, He misjudged the placement of his left hand and got his left thumb struck between the sheave and the hammer. The Dr. made a hole in his thumb nail to relieve the pressure.

April 2, 2013 OH · Metal/Non-Metal utility man, errand boy, service truck operator FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL
Shelly Materials Inc · Struck by falling object

4/2/13 1st aid now a reportable. UG utility miner hurt while repairing a pump in underground mine. Rock in rib wall by the pump tumbled and hit the employee in his right rib cage. Made a 2" bruise. Reported the injury to mine manager & was asked if he needed treatment and he said he was OK. 8/12/13 still affected by the injury, employee taken to doctor. X-ray showed broken rib.

2012 · 1 incident

December 17, 2012 OH · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator MACHINERY
Shelly Materials Inc · Struck by flying object

EE was walking from the plant to the shop to get on a piece of equipment.When he walked by our #4 screen,Something bounced from the screen and got in his eye.EE reported the incident to management at the end of his shift.he did have a scratch on his lens.He was released to work immediately with NO restrictions by dr's.

2011 · 1 incident

December 13, 2011 OH · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Shelly Materials Inc · Fall from machine

EE attempted to climb into the bed of his sterling dump truck when he lost his balance and fell to the ground. EE suffered a broken left arm (upper). EE was transported to Mt. Carmel west hospital.

For insurers, brokers, and safety consultants

The full compliance file on Columbus Limestone

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.