Mining Incidents

Pacific Plant Metal/Non-Metal

Controlada por USS Holdings Inc
St Louis, St Louis Condado, MO  ·  Activa
ID de mina MSHA: 2300544

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Avísenme cuando se presente un nuevo incidente de la MSHA en Pacific Plant.

Muertes
0
Incidentes totales
44
Años en registro
2000–2026
Último incidente
Jan 2026
Historial de cumplimiento
Citaciones de MSHA desde 2000
233
citaciones
42
significativas y sustanciales
$82,216
multas propuestas
$69,698
pagado a la fecha
Fuente: datos de violaciones de MSHA, actualizados semanalmente.
Tasas de seguridad trimestrales
Citaciones por millón de horas trabajadas, según lo reportado a MSHA
Trimestre Horas trabajadas Citaciones S&S Por 1M hrs
2025 Q4 29,939 2 0 66.8
2025 Q3 22,717 0 0 0.0
2025 Q2 10,571 4 1 378.4
2025 Q1 3,633 0 0 0.0
2024 Q4 21,970 4 1 182.1
2024 Q3 26,554 4 0 150.6
2024 Q2 3,152 1 0 317.3
2024 Q1 3,472 0 0 0.0
Los trimestres con menos de 100,000 horas reportadas aparecen atenuados: muy pocas horas para una tasa estable.
No se registran muertes en esta mina.

Incidentes reportables

44 en archivo

2026 · 1 incidente

31 de enero de 2026 MO · Metal/No metálico Operador de secador, Operador de horno, Operador de planta de secado, Operador de fluidos, Operador de secador de lecho MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was helping free a frozen switch when they lost grip and stumbled backwards. Right knee injury occurred and employee was able to continue work activities until surgery restrictions put into place on 3/26/2026

2023 · 1 incidente

6 de enero de 2023 MO · Metal/No metálico Electricista, Liniero HERRAMIENTAS MANUALES (SIN MOTOR)
U.S. Silica Company, LLC · Golpeado por... no clasificado en otra parte

Employee was holding a lug in the left hand and cutting it with a porta band saw in the right hand. The porta band saw slipped and lacerated the left index finger and slightly cut the long finger. Employee received six sutures and was returned to work full duty, no restrictions, no prescriptions.

2022 · 3 incidentes

8 de diciembre de 2022 MO · Metal/No metálico Obrero, Cuadrilla, Mensajero de repuestos, Peón, Desconchador de techo DESPRENDIMIENTO DE TECHO O BÓVEDA
U.S. Silica Company, LLC · Golpeado por objeto que cae

While drilling holes for roof bolts and mesh with a jackleg drill, a section of roof fell on two miners. The individual for this report suffered fractures to the tibia, fibula, and 3 vertebrae.

5 de diciembre de 2022 MO · Metal/No metálico Plomero, Tubero, Montador mecánico HERRAMIENTAS MANUALES (SIN MOTOR)
U.S. Silica Company, LLC · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

Employee was installing shaft and bearing housing. Mounting bolt was not aligned. Employee used a pry bar to lift the housing in order to reposition the bolt. The employee reached under the housing and the pry bar slipped. Fourth finger was pinched between housing and mounting surface fracturing tip of finger and requiring stitches.

17 de agosto de 2022 MO · Metal/No metálico Plomero, Tubero, Montador mecánico MAQUINARIA
U.S. Silica Company, LLC · Atrapado en, bajo o entre objetos en movimiento o engranados

Employees working at the end of the day. Employees wearing full-face PAPRs. Employees noticed fan blades making contact with housing. Employees were on opposite sides of the fan unit. One employee rotated the fan side to find contact areas. Employee on the other side attempted to assist rotation and pinched finger between the pulley and fan belt.

2020 · 1 incidente

5 de marzo de 2020 MO · Metal/No metálico Acomodador de vagón, Cargador de vagón, Vaciador de tolva, Cargador de camión MAQUINARIA
U.S. Silica Company, LLC · Golpeado contra un objeto en movimiento

Employee was injured in the track mobile during a collision. *Second submission. Spoke with MSHA help desk 3/16 and had uploading error.

2018 · 3 incidentes

10 de julio de 2018 MO · Metal/No metálico Minero, Prospector, no clasificado en otra parte RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee stepped over process line during clean up activities and rolled ankle. Felt they could self treat until 7/20/18 when they requested to see Dr. Evaluation with the Dr. on 7/20/18 discovered non-displaced fracture to distal fibula and placed on restrictions.

19 de mayo de 2018 MO · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina MAQUINARIA
U.S. Silica Company, LLC · Golpeado por objeto que cae

Employee was removing liner from ball mill. A pneumatic jack was holding the mill in place. The jack failed and the mill turned 180 degrees. An employee inside the mill was injured from the fall/flying debris.

8 de abril de 2018 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MAQUINARIA
U.S. Silica Company, LLC · Atrapado en, bajo o entre un objeto en movimiento y uno fijo

Employee was pushing a pallet into the bulk sacker and pinched a thumb on the rollers. 8 stitches was placed on the thumb.

2017 · 2 incidentes

30 de noviembre de 2017 MO · Metal/No metálico Operador de bulldozer, Operador universal, Operador de equipo pesado, Ingeniero operador TRANSPORTE MOTORIZADO
U.S. Silica Company, LLC · Golpeado contra un objeto en movimiento

Employee stated that while operating a loader in the pit, employee backed into a depression and jarred back. Employee requested medical treatment on 12/04/2017 and was given work restrictions.

5 de septiembre de 2017 MO · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Caída desde una máquina

The employee stated ee fell as ee was dismounting the truck.

2016 · 2 incidentes

12 de octubre de 2016 MO · Metal/No metálico Operario de servicios generales, Técnico de turno, Operador de camión de servicio/volteo RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was going down 2 steps, rolled foot/ankle and suffered a fracture to 5th metatarsal.

21 de septiembre de 2016 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Golpeado por objeto proyectado

Maintenance employee was trying to unclog transport pipe, as they were attempting to pressurize pipe, end cap blew off and struck ee in hand.

2015 · 1 incidente

17 de noviembre de 2015 MO · Metal/No metálico Capataz de exterior, Cabo RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was working on the Caribs Fall Protection unit for trucks. He reports that he felt a pop to his knee when he stepped over a magnetic gate. Afterwards he reported pain when walking. Employee received restricted duty from initial medical provider.

2014 · 3 incidentes

15 de septiembre de 2014 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo HERRAMIENTAS MANUALES (SIN MOTOR)
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was tightening bench vise and felt discomfort in his shoulder. Employee delayed medical treatment until 9/18/14.

2 de septiembre de 2014 MO · Metal/No metálico Operador de bulldozer, Operador universal, Operador de equipo pesado, Ingeniero operador RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee stepped out of company truck and had discomfort in hip. Employee delayed treatment until 9/11/14. Employee became reportable on 9/22/14 when he received physical therapy.

12 de junio de 2014 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

while working on replacing an arm of the auto package system employee had to kneel on a chain conveyor. when employee moved off the conveyor for break, he felt stiffness in his back. employee did not receive medical attention until 7/10/14 as he thought pain would go away.

2012 · 3 incidentes

21 de mayo de 2012 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Golpeado contra un objeto fijo

Employee was attempting to close a railcar door latch. The latch wouldn't go down to the locking position. Employee then, using heel of his foot, kicked the latch to close completely.On 5/22 employee received x-ray for foot being swolle,diagnosed with inflammation in foot.

29 de abril de 2012 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee went to turn around after picking up tools and felt sharp pain in knee. employee received MRI on May 16th indicating a tear in his meniscus.

15 de febrero de 2012 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo HERRAMIENTAS MANUALES (SIN MOTOR)
U.S. Silica Company, LLC · Golpeado por... no clasificado en otra parte

Employee was attempting to cut a rubber hose with a utility knife. Employee was cutting towards his body and broke through the hose and his motion caused him to cut his leg with the utility knife. Cut was small and clean, back to work in 2 hours from hospital

2010 · 3 incidentes

22 de diciembre de 2010 MO · Metal/No metálico Bombero (operario de bombas) MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al levantar objetos

Employee was moving 50 lb bags on a pallet when he jammed his wrist. Did not seek medical treatment until 3/14/11 and became reportable when employee went to physical therapy on 3/21/11. Employee stayed at full duty the whole time.

26 de marzo de 2010 MO · Metal/No metálico Conductor de camión de acarreo/fuera de carretera/carbón/mineral/mina/cantera/roca/llanta neumática, Conductor de camión de transporte OTRO
U.S. Silica Company, LLC · Sin clasificar, datos insuficientes

Customer's over the road truck driver was found unconscious near the truck scale.

12 de febrero de 2010 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Caída sobre o contra objetos

Maintenance employee was preparing to weld on 6DC9 dust collector. He was carrying a six foot step ladder on his right shoulder and a five-gallon bucket in his left hand. While walking around the dust collector, the employee fell on a maintenance access ladder. Employee suffered a contusion to the right elbow.

2009 · 1 incidente

29 de septiembre de 2009 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee reported pain in right shoulder on 9/10/09 but didn't want to seek medical treatment as he though it was something minor. On 9/29/09 employee was attempting to release hand brake on a railcar when he felt a sharp pain in his right shoulder. Employee sent to medical center on 9/30/09 and was diagnosed with sprain in right rotator cuff.

2008 · 2 incidentes

7 de julio de 2008 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MAQUINARIA
U.S. Silica Company, LLC · Golpeado por objeto que cae

Employee was cutting skaker deck apart to send off for repair. While attempting to remove motor from frame, part of the beam holding the motor would not come loose, as the cuts were not completely through the frame. Employee bent down to grab cutting torch when the weld broke causing the edge of the motor to contact the left side of employee's face.

3 de marzo de 2008 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Golpeado por objeto que cae

Employee was wiping up oil from maintenance shop floor, while another employee was stacking three wooden pallets up. While cleaning floor, one pallet fell onto left index finger cutting it.

2007 · 2 incidentes

17 de julio de 2007 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MAQUINARIA
U.S. Silica Company, LLC · Golpeado por objeto proyectado

Feedbox on #5 mill was jammed up with ground silica material. Employee shut down mill and cleaned feedbox out. Employee started mill back up after completing cleaning. Feedbox again jammed up, due to fines from seperator. Air blast occurred splashing product into employee's eyes.

17 de abril de 2007 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Golpeado por objeto que cae

Employee was repositioning a 50lb bag of sand when he stepped on a pallet lift. The lift had a bolt break. The lift fell on the employee's foot. He went to doctor on 5-7-07. Doctor said looks like swelling; come back if anymore problems. Emp. went back during Sept. Doctor said surgery would take care of cyst on 9-10-07.

2006 · 3 incidentes

28 de noviembre de 2006 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

Employee was going to empty a wheelbarrow of sand, while in the process of pushing the wheelbarrow, the employee stepped over a piece of grating that was bowed. The employee twisted his knee when he stepped on the grating. Employee did not go to doctor until 12/11/06. Employee waited to see if the swelling went down before going to see a doctor.

18 de agosto de 2006 MO · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

emp. was attempting to release hand brake on railcar. He grabbed a 3-foot bar and placed to release brake. emp, felt pain in left shoulder. Emp, went to doctor six days later. doctor said no findings, in 04/07 he asked for 2nd opinion. worker's comp and attorney have been disbuting claim. finally a specialist elected to have surgery. 1st day of work missed was 12/3/07

13 de enero de 2006 MO · Metal/No metálico Operador de bulldozer, Operador universal, Operador de equipo pesado, Ingeniero operador TRANSPORTE MOTORIZADO
U.S. Silica Company, LLC · Golpeado por objeto proyectado

Employee was moving pipe with back hoe equipment, carrying pipe between the knuckle and using the bucket for support. Employee's safety glasses became fogged up due to cold weather. Employee stopped to wipe off glasses when the pipe fell into the water/sand area, which splashed up into employee's eye.

2005 · 2 incidentes

3 de noviembre de 2005 MO · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina TRANSPORTE MOTORIZADO
U.S. Silica Company, LLC · Golpeado contra un objeto en movimiento

Rail car brakes not working properly.

13 de marzo de 2005 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al levantar objetos

Two employees were installing a press in the QA Lab, as they were lifting it into place one employee felt a pull in his left hip, resulting in a low back strain. The incident was not reported to management until 03/21/2005.

2004 · 2 incidentes

18 de noviembre de 2004 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al levantar objetos

Lumbar strain occured during normal work activities as a Micron Bagger. This entails lifting and turning with up to 50 lbs. of bagged material.

8 de octubre de 2004 MO · Metal/No metálico Técnico de control de calidad, Técnico de laboratorio, Auxiliar de laboratorio MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al levantar objetos

Injured right wrist doing normal activities of processing whole grain sand samples. Was lifting buckets and splitting the samples down to run screen analysis.

2003 · 1 incidente

10 de junio de 2003 MO · Metal/No metálico Obrero, Herrero, Cuadrilla, Mensajero de repuestos, Peón, Recolector, Operario de mina RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Atrapado en, bajo o entre, no clasificado en otra parte

EE WAS ATTEMPTING TO REMOVE A HOIST OPERATED LOADING CHUTE FROM A HOLE OF A RAILCAR. THE CHUTE JAMMED AND THE HOIST TRIPPED ITS OVERLOAD. EE PLACED HAND NEAR CHUTE PIVOT END TO SEE IF CHUTE WA S PLUGGED AND FULL. EE LOST HIS BALANCE AS HE RELEASE THE PIVOT END. THE PIVOT END SWUNG DOWN. SMASHING HIS LEFT FINGER AGAINST THE HOLE OPENING. 12 SUTURES & FRACTURED TIP OF FINGER.

2002 · 1 incidente

3 de mayo de 2002 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al levantar objetos

DURING THE NORMAL COURSE OF FILLING AND PALLETIZING FIFTY POUND BAGS, EE SQUATTED DOWN TO REMOVE A BAG FROM THE BAGGING MACHINE AND FELT A PAIN IN HIS LEFT KNEE. AFTER VISITING THE DR, WE FOUN D OUT THE KNEE WAS SPRAINED.

2001 · 4 incidentes

15 de marzo de 2001 MO · Metal/No metálico Operador de barcaza/embarcación/draga/barcaza de remolque/remolcador/lixiviación, Ribereño, Marinero de cubierta RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Caída desde una máquina

FOOT SLIPPED WHILE DESCENDING LADDER ON RAIL CAR, AND FELL TO PAVEMENT.

12 de febrero de 2001 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo, no clasificado en otra parte

WHILE ATTEMPTING O OPEN TOP DOOR OF RAILCAR, EE STRAINED BACK. DOOR MAY HAVE BEEN FROZEN TO CAR.

29 de enero de 2001 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo MANEJO DE MATERIALES
U.S. Silica Company, LLC · Golpeado por objeto que cae

WHILE CLIMBING LADDER, THE LADDER SLIPPED, THE EMPLOYEE JUMPED TO GROUND, THE LADDER LANDED ON RIGHT FOOT BEHIND THE PROTECTIVE TOE GUARD.

26 de enero de 2001 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Caída a la pasarela o superficie de trabajo

CARRYING PIECE OF ANGLE IRON ON ICY ROAD. SLIPPED AND FELL ONTO BACK. RECIEVED DIAGNOISS OF FRACTURE ON 3-19-01.

2000 · 3 incidentes

24 de julio de 2000 MO · Metal/No metálico Encargado de mantenimiento, Mecánico, Reparador/Encargado de servicio, Calderero, Abastecedor de combustible, Técnico de llantas, Técnico de servicio en campo RESBALÓN O CAÍDA DE PERSONA
U.S. Silica Company, LLC · Caída sobre o contra objetos

MECHANIC KNEELING DOWN TO REMOVE BOLTS FROM PUMP BASE, WHILE DOING SO, FOOT SLIPPED AND HIT KNEE ON 4" PIPE.

4 de julio de 2000 MO · Metal/No metálico Minero, no clasificado en otra parte MANEJO DE MATERIALES
U.S. Silica Company, LLC · Sobreesfuerzo al jalar o empujar objetos

WHILE PREPARING CAR TO BE LOADED, HE STRAINED BACK TRYING TO OPEN LONG GRAIN DOOR--SPRING LOADED. STANDING ON CENTER LATCH CONTRIBUTED.

8 de mayo de 2000 MO · Metal/No metálico Almacenista, Ensacador, Paletizador/Apilador, Encargado de almacén, Empacador, Fabricante, Operador de planta de lavado MAQUINARIA
U.S. Silica Company, LLC · Golpeado por... no clasificado en otra parte

WHILE UNPLUGGING FEED BOX OF #6 MILL, ROD CAUGHT ON FEED AUGER SMASHING FINGER AGAINST FEED BOX. EE WAS TREATED FOR CONTUSION AND PARTIALLY REMOVED FINGERNAIL. DOCTOR CLEANED AREA AND OPTED TO SUTURE FINGERNAIL INTO PLACE. BANDAGED.