Donning fall protection equipment, the miner entered the top of a primary feed hopper without the knowledge of management and contrary to mine safety procedures to remove a large rock. While trying to break up the rock, raw material that remained on the sides of the hopper sloughed off engulfing the miner.
Martin Marietta Slaton Plant Metal/Non-Metal
Martin Marietta Slaton Plant has $43K in proposed MSHA penalties and $604 outstanding across 13 contested dockets, plus health sampling and the full incident record.
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- Fatalities
- 1
- Total incidents
- 66
- Years on record
- 1983–2025
- Latest incident
- Aug 2025
ⓘ
This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.Martin Marietta Slaton Plant has $43K in proposed MSHA penalties and $604 outstanding across 13 contested dockets.
ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
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.| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2025 Q4 | 13,638 | 1 | 0 | 73.3 |
| 2025 Q3 | 12,713 | 0 | 0 | 0.0 |
| 2025 Q2 | 21,457 | 9 | 0 | 419.4 |
| 2025 Q1 | 19,744 | 0 | 0 | 0.0 |
| 2024 Q4 | 24,957 | 12 | 0 | 480.8 |
| 2024 Q3 | 30,450 | 1 | 0 | 32.8 |
| 2024 Q2 | 28,155 | 0 | 0 | 0.0 |
| 2024 Q1 | 27,308 | 0 | 0 | 0.0 |
Show 96 earlier quarters Hide earlier quarters
| Quarter | Hours worked | Citations | S&S | Per 1M hrs |
|---|---|---|---|---|
| 2023 Q4 | 25,918 | 1 | 0 | 38.6 |
| 2023 Q3 | 25,999 | 4 | 0 | 153.9 |
| 2023 Q2 | 28,184 | 0 | 0 | 0.0 |
| 2023 Q1 | 26,441 | 0 | 0 | 0.0 |
| 2022 Q4 | 26,330 | 5 | 1 | 189.9 |
| 2022 Q3 | 31,000 | 3 | 0 | 96.8 |
| 2022 Q2 | 27,221 | 0 | 0 | 0.0 |
| 2022 Q1 | 25,047 | 2 | 2 | 79.8 |
| 2021 Q4 | 20,006 | 1 | 0 | 50.0 |
| 2021 Q3 | 20,903 | 3 | 0 | 143.5 |
| 2021 Q2 | 22,846 | 1 | 0 | 43.8 |
| 2021 Q1 | 18,560 | 0 | 0 | 0.0 |
| 2020 Q4 | 20,012 | 1 | 0 | 50.0 |
| 2020 Q3 | 22,197 | 0 | 0 | 0.0 |
| 2020 Q2 | 21,506 | 2 | 0 | 93.0 |
| 2020 Q1 | 20,127 | 0 | 0 | 0.0 |
| 2019 Q4 | 16,741 | 1 | 0 | 59.7 |
| 2019 Q3 | 19,383 | 2 | 0 | 103.2 |
| 2019 Q2 | 19,148 | 0 | 0 | 0.0 |
| 2019 Q1 | 17,423 | 1 | 0 | 57.4 |
| 2018 Q4 | 15,541 | 0 | 0 | 0.0 |
| 2018 Q3 | 17,663 | 0 | 0 | 0.0 |
| 2018 Q2 | 17,763 | 3 | 0 | 168.9 |
| 2018 Q1 | 15,338 | 0 | 0 | 0.0 |
| 2017 Q4 | 13,741 | 1 | 0 | 72.8 |
| 2017 Q3 | 14,493 | 0 | 0 | 0.0 |
| 2017 Q2 | 19,334 | 5 | 0 | 258.6 |
| 2017 Q1 | 20,424 | 0 | 0 | 0.0 |
| 2016 Q4 | 18,326 | 3 | 0 | 163.7 |
| 2016 Q3 | 21,578 | 1 | 0 | 46.3 |
| 2016 Q2 | 21,849 | 0 | 0 | 0.0 |
| 2016 Q1 | 22,412 | 2 | 0 | 89.2 |
| 2015 Q4 | 20,962 | 0 | 0 | 0.0 |
| 2015 Q3 | 21,460 | 1 | 0 | 46.6 |
| 2015 Q2 | 21,794 | 0 | 0 | 0.0 |
| 2015 Q1 | 20,768 | 1 | 0 | 48.2 |
| 2014 Q4 | 22,461 | 0 | 0 | 0.0 |
| 2014 Q3 | 25,141 | 0 | 0 | 0.0 |
| 2014 Q2 | 24,927 | 0 | 0 | 0.0 |
| 2014 Q1 | 22,353 | 1 | 0 | 44.7 |
| 2013 Q4 | 21,398 | 0 | 0 | 0.0 |
| 2013 Q3 | 23,700 | 0 | 0 | 0.0 |
| 2013 Q2 | 24,041 | 1 | 0 | 41.6 |
| 2013 Q1 | 22,126 | 0 | 0 | 0.0 |
| 2012 Q4 | 23,144 | 1 | 1 | 43.2 |
| 2012 Q3 | 22,658 | 0 | 0 | 0.0 |
| 2012 Q2 | 25,627 | 1 | 0 | 39.0 |
| 2012 Q1 | 23,679 | 2 | 1 | 84.5 |
| 2011 Q4 | 21,916 | 0 | 0 | 0.0 |
| 2011 Q3 | 27,147 | 0 | 0 | 0.0 |
| 2011 Q2 | 26,642 | 3 | 0 | 112.6 |
| 2011 Q1 | 23,516 | 2 | 1 | 85.0 |
| 2010 Q4 | 25,257 | 0 | 0 | 0.0 |
| 2010 Q3 | 29,334 | 0 | 0 | 0.0 |
| 2010 Q2 | 29,478 | 0 | 0 | 0.0 |
| 2010 Q1 | 25,881 | 0 | 0 | 0.0 |
| 2009 Q4 | 23,990 | 2 | 0 | 83.4 |
| 2009 Q3 | 24,422 | 0 | 0 | 0.0 |
| 2009 Q2 | 24,721 | 8 | 5 | 323.6 |
| 2009 Q1 | 23,921 | 0 | 0 | 0.0 |
| 2008 Q4 | 24,295 | 7 | 0 | 288.1 |
| 2008 Q3 | 27,275 | 3 | 1 | 110.0 |
| 2008 Q2 | 29,437 | 0 | 0 | 0.0 |
| 2008 Q1 | 28,248 | 12 | 0 | 424.8 |
| 2007 Q4 | 25,959 | 0 | 0 | 0.0 |
| 2007 Q3 | 29,701 | 0 | 0 | 0.0 |
| 2007 Q2 | 28,798 | 0 | 0 | 0.0 |
| 2007 Q1 | 25,478 | 0 | 0 | 0.0 |
| 2006 Q4 | 25,433 | 0 | 0 | 0.0 |
| 2006 Q3 | 27,737 | 1 | 0 | 36.1 |
| 2006 Q2 | 28,751 | 0 | 0 | 0.0 |
| 2006 Q1 | 27,856 | 5 | 1 | 179.5 |
| 2005 Q4 | 27,610 | 0 | 0 | 0.0 |
| 2005 Q3 | 33,607 | 2 | 1 | 59.5 |
| 2005 Q2 | 28,036 | 0 | 0 | 0.0 |
| 2005 Q1 | 24,033 | 0 | 0 | 0.0 |
| 2004 Q4 | 27,081 | 0 | 0 | 0.0 |
| 2004 Q3 | 26,518 | 2 | 0 | 75.4 |
| 2004 Q2 | 28,008 | 0 | 0 | 0.0 |
| 2004 Q1 | 26,013 | 1 | 1 | 38.4 |
| 2003 Q4 | 25,429 | 0 | 0 | 0.0 |
| 2003 Q3 | 25,069 | 0 | 0 | 0.0 |
| 2003 Q2 | 25,188 | 7 | 0 | 277.9 |
| 2003 Q1 | 23,762 | 0 | 0 | 0.0 |
| 2002 Q4 | 22,030 | 2 | 0 | 90.8 |
| 2002 Q3 | 23,565 | 0 | 0 | 0.0 |
| 2002 Q2 | 23,234 | 3 | 0 | 129.1 |
| 2002 Q1 | 21,073 | 0 | 0 | 0.0 |
| 2001 Q4 | 21,204 | 2 | 0 | 94.3 |
| 2001 Q3 | 22,957 | 0 | 0 | 0.0 |
| 2001 Q2 | 23,785 | 0 | 0 | 0.0 |
| 2001 Q1 | 23,199 | 0 | 0 | 0.0 |
| 2000 Q4 | 21,179 | 4 | 0 | 188.9 |
| 2000 Q3 | 22,429 | 1 | 0 | 44.6 |
| 2000 Q2 | 21,954 | 0 | 0 | 0.0 |
| 2000 Q1 | 21,711 | 1 | 0 | 46.1 |
Fatalities at this mine
1 recordedReportable incidents
65 on file (excluding fatalities above)2025 · 1 incident
Employee was installing a bucket cylinder pin with pry bar, the end of the pinch bar broke off and jammed their hand against the corner of the auxiliary valve
2024 · 4 incidents
EE was helping put a return roller on a primary conveyor at the secondary plant. A second miner was holding the conveyor belt up with a pry bar when the pry bar slipped and struck EE on the head while wearing a hard hat.
While working under an excavator, dirt fell on EE's head and rolled behind the safety glasses. After cleaning and rinsing eyes, EE resumed work. A day later, EE's right eye still felt irritated.
EE was washing the tunnel and part of the hose was covered with material, so EE yanked on the hose to get it loose and felt pain on the inside part of EE's right wrist.
EE was operating the excavator when EE started feeling increasing pain in the lower back. When EE started to exit the machine, EE felt a sharp pain in their lower back that shot down EE's left leg and EE's toes started to tingle. EE crawled/slid down the machine and could not stand up from the pain.
2023 · 6 incidents
Shortly after welding a steel plate, the plate broke off and struck the left side of the miner's face.
While walking down a downward slope to a hopper, EE fell backward and landed on their right side.
Employee was using a pry bar to force a rollaway door to close. Employee was using extra pushing force with right arm and felt a pulling sensation at the base of the back of neck.
While attending a monthly safety meeting in the breakroom, employee felt overheated, stood up, and briefly fainted.
Employee was descending CAT 374 Excavator and when their left foot stepped on the ground, their left knee hyperextended.
Employee was climbing on a CAT 980K Loader and missed the top step. As EE slipped, EE went to catch self and hit right hand on the cab and heard a pop.
2022 · 3 incidents
While shoveling, EE twisted and felt pain in right side of lower back.
EE had lowered a ring gear with the truck crane and was using hands to guide the ring gear off the shaft when it fell 3/4" and smashed EE's fingers causing multiple lacerations on both hands.
While servicing excavator 374FL, EE started to climb down steps when EE's hand slipped causing EE to fall down and get a laceration on left arm. After sitting down safely, leaned forward and fell causing scrapes on the right side of face.
2021 · 3 incidents
Water Truck right tire pressed against sweeper causing it to deflate, and shifting the weight and making machine slide onto outer wall of the MCC room, causing metal box on interior wall to strike EE on right shoulder. Injury was considered first aid only until 3/9/22 when specialist prescribed physical therapy.
Employee opened metal door to the second discharge chute on the dry plant to remove a piece of wood that got stuck when the wind caught the metal door slamming it against middle right hand finger, causing pain and bleeding.
Employee cutting wire mesh hose with utility knife, knife slipped and EE stabbed self in the forearm of left arm
2020 · 2 incidents
Employee was removing rocks that were wedged in the Feed Belt discharge chute at the Dry Plant. The chute has a metal door that was required to be opened to get to the wedged rocks. A gust of wind blew the door closed and slammed on the employee's left hand middle finger, causing a deep laceration.
Employee was changing wear parts on impact crusher when EE felt hard pain in the abdominal area.
2019 · 3 incidents
EE was performing maintenance on the ripper tooth of the dozer. When EE hit the tooth with a hammer to loosen it, a small piece of metal chipped off, went through EE's pant leg and embedded in the right shin.
On July 2, 2019, employee rolled left ankle while getting on a step and then on July 3, 2019, twisted left ankle again when inadvertently stepping in a hole that was not visible due to standing water at the primary plant under the hopper.
Employee was driving loader too fast on bumpy road and the jolting motion caused a strain in EE's lower back
2018 · 1 incident
EE was driving to the pit to load when EE saw another truck coming out of the pit. EE attempted to slow down and give the other truck the right of way, but in the process, jack knifed the truck. The steering wheel bruised EE's left leg.
2017 · 1 incident
Natural causes/heart attack-Not Work Related
2014 · 1 incident
Employee was swinging sledge hammer when he experienced knee strain behind left knee as he pivoted.
2011 · 2 incidents
Employee was walking down gravel ramp when he fell to the ground.
Employee was operating the scraper. While discharging material from scraper, a large rock caused the machine to come to a complete stop violently shaking the cab and the operator.
2010 · 3 incidents
Employee was cutting steel plate 1/2"x40"X15' from a larger sheet, when the cut plate fell to the ground, then fell on employee.
Employee was changing Anvils on Impact Crusher, lifted and dropped anvil on left middle finger
EE opened left side access door on Bulldozer to change oil filters. While doing task the EE squatted on the top of the tracks and the door closed and struck the EE's right knee. EE suffered a bruise to his right knee.
2008 · 2 incidents
EMPLOYEE WAS ON TOP OF AN R25 MACHINE TRYING TO POSITION A HOIST CYLINDER PIN, THE CYLINDER MOVED & PUSHED HIM OFF THE MACHINE.
EE was lifting a metal barrel lid and grease pump (approx 34'40 lbs) to cover a 55 gallon grease barrel, when he felt a pain in his back. Doctor diagnosed upper lumbar strain.
2005 · 1 incident
EMPLOYEE WAS LOWERING HINGED CHUTE WHEN HIS STOMACH WAS SCRAPED BY HINGE POINT OF CHUTE
2003 · 1 incident
EE WAS CUTTING FRAME OFF OF OVERTURNED TRAILER WHEN METAL FRAME CAME LOOSE AND STRUCK EE'S HAND.
2001 · 1 incident
EMPLOYEE WAS OBSERVING OPERATION OF EUCLID END-DUMP FROM PASSENGER SEAT. THE END-DUMP OPERATOR BACKED INTO RETAINING WALL OF LOAD OUT BIN CAUSING EMPLOYEE TO STRAIN HIS NECK.
1999 · 1 incident
EE WAS USING A CABLE COMEALONG TO OPEN A CLAM SHELL GATE & REMOVE A PIECE OF TIMBER CAUGHT IN IT. THE HOOK ON THE CABLE SLIPPED, THE EE STEPPED BACK SLIPPED ON THE WET FLOOR AND FELL
1998 · 1 incident
EE WAS HELPING CHANGE SCREENS IN SHAKER WHEN HE STUMBLED & FELL, HITTING THE INSIDE OF HIS LEFT KNEE ON THE SHAKER FRAME.
1996 · 1 incident
EMP WAS DISMOUNTING LOADER. HIS FOOT OR HAND SLIPPED, CAUSING HIM TO FALL. ATTEMPTED TO CATCH HIMSELF WITH HIS HANDS. THE FALL BROKE HIS LEFT WRIST.
1994 · 2 incidents
EMPLOYEE WAS IN PLANT OPERATION HOUSE, AS HE ATTMPTED TO RESEAT HIMSELF ON TALL STOOL, HE SLIPPED, FELL FORWARD STRIKING HIS FOREHEAD ON CABINET. HE SPLIT EYEBROW AREA OVER LEFT EYE.
EMPLOYEE WAS DRIVING A NEW MANTLE INTO A CONE CRUSHER WITH A HAMMER WHEN HAMMER STRUCK MAN THE AMETAL FLAKE FLEW OFF MANTLE & LODGED I NEMPLOYEES SHIN
1993 · 1 incident
EMPLOYEE ATTEMTPED TO CLEAN CONVEYOR TENDION IDLER WITH PLANT RUNNING. HE WAS USING A SHOVEL TO SCRAPE MUD OFF ROLLER. SHOVEL WAS PULLED INTO PINCH POINT CAUSING SHOVEL HANDLE TO BE THROWING U P INTO FRAME OF CONVEYOR MASHING EMPLOYEES HAND. HE STUCK.
1992 · 3 incidents
EE WAS CUTTING SOME BOLTS OUT OF THE PADDLES ON AN ELEVATING SCRAPER. HE SLIPPED FELL BACK AND HIT HAND CAME HIS CONTACT WITH THE FLAME OF THE CUTTING TORCH.
EMPLOYEE WALKED INTO TIME CARD ROOM, PUNCHED IN TURNED AROUND AND SAID HE JUST GOT SOMEHING IN HIS EYE.
EMPLOYEE WORK ON CONVEYOR BELT, PUTTING ON LACES. WIND WAS BLOWING. EMPLOYEE GOT PIECE OF RUST BLOWN INTO EYE.
1991 · 5 incidents
EMPLOYEE WAS USING COME-A-LONG TO RAISE PIECE OF EQUIPMENT. AS PRESSURE WAS APPLIED, HOOK SLIPPED OFF. FLY BACK AND STRUCK EMPLOYEE OVER RIGHT EYE. EYE BROW WAS SPLIT OPEN.
EE DISMOUNTED FROM MOBILE EQUIPMENT HE GRASPED OUTSIDE HANDLE WITH LEFT HAND THE FOOT SLIPPED OFF STEP CAUSING A TWIST AND PULLING A LEFT ARM MUSCLE EE REPORTED INJURED ON THE MORNING 9-4-91.
EMPL GOT SAND PARTICLE IN EYE.WAS WEARING SAFETY GLASSES.
EMPLOYEE RAISED HINGED DOOR TO CHECK BATTERIES AND MAY HAVE PULLED MUSCLE.
WORKING ON VIBRATING SCREEN CUT LEFT FOREARM CUT REQUIRED STITCHES
1990 · 4 incidents
EMPL HELPING PUT ENGINE HOOD ON LOADER.SET HOOD DOWN ON FINGER.
TIGHTENING A NUT WRENCH SLIPPED ALLOWING ARM TO MOVE ROACK-STRUCK ELBOW AGAINST DOZER TRACK RAIL.
DRIVER HAD WASHED TRUCK AFTER PARKING HE CLIMBED UPON FRONT OF TRAILER TO CHECK INSIDE BVED WHEN CLIMBING DOWN HE MISSED STEP SLIPPED & FELL.
DIRT BLEW INTO EMPLOYEES EYE
1989 · 4 incidents
EMPLOYEE HIT BEARING RACE WITH HAMMER. A PIECE OF METAL SLIVER BROKE OFF RACE AND PUNCTURED LEFT HAND AT REAR OF THUMB.
EMPLOYEE WAS WALKING NEAR SHOP. HE STEPPED ON A NAIL. NAIL WENT THROUGH SHOE SOLE INTO FOOT.
EMPLOYEE WAS DRIVING PIN/KEEPER INTO BASE OF JAW CRUSHER WITH LARGE SLEDGE HAMMER, HE WAS IN A STOPPED POSITION WHICH CAUSED A PULLED MUSCLE IN UPPER BACK.
EMPLOYEE CLAIMS PAIN DUE TO ARTHRITIS. HE HAD HAD FOR YEARS. RECENTLY INSURANCE CO. PAID FOR A PRESCRIPTION UNDER WORKERS COMPENSATION. THIS QUALIFIED IT AS AN MSHA REPORTABLE ILLNESS.
1988 · 3 incidents
EMPLOYEE WAS ON LOADER FENDER GREASING LOADER ARM HE SLIPPED OFF LANDED ON G ROUND ON FEET AND TURNED ANKLES EMPLOYEE DID NOT GO TO DR UNTIL 12 15 88 NO TREATMENT BUT GOT PREACPTION FOR PAIN.
LIFTED ROCK UNDER HOPPER & PUT IT ON CONVEYOR BELT PULLED MUSCLE IN BACK
EMPLOYEE WAS USING HAMMER & PUNCH TO DRIVE PIN OUT OF TRACK HAMMER HIT EMPLOYEE IN LEFT WRIST DOC.CLEANED UNDER & PUT BANDAGE ON IT EMPLOYEE NOTICED LUMP UNDER SKIN RETURNED TO DOC.ON 080988 DOC.REMOVED METEAL CHIP FROM LEFT WRIST
1987 · 2 incidents
DRIVING TRUCK I3 RAIN TO FAST TRUCK SKIDDED AND JACK KNIFED EMPLOYEE NOT WEARING SEAT BELT FELL OUT OF SEAT INTO FLOOR. ACCIDENT HAPPENED ON SOUTH LOOP 289 IN LUBBOCK TEXAS.
THE TRUCK DRIVE9 DELIVERED A LAOD OF MATERIAL TO A CUSTOMER AT A LOCATION ABOUT 4M MILES FROM THE PLANT. WHEN THE DRIVER ARRIVED HE JUMPED FROM THE CAB STEOPS TO INSPECT THE DUMP SIGHT. WHEN HE LANDED HE T4ISTED HIS LEFT KNEE.
1986 · 1 incident
EMP WAS ADJUSTI3G COME ALONG WHEN HANDLE HIT EMP IN EYE
1984 · 1 incident
EMPLOYEE WAS CARRYING PUMP IMPELLER. HE JUDGED A STEP DOWN CAUSING A PARTIAL LOSS OF BALANCE AND A STRAIN OR POSSIBLY A PINCHED NERVE IN HIS LOWER BACK HIP AREA.
1983 · 1 incident
EE SLIPPED WHILE RUNNING DOWN PLANT STAIRS.
The full compliance file on Martin Marietta Slaton Plant
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.