Mining Incidents

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Every injury and fatality MSHA has on file. Filter by state, year, sector, classification, experience, or any keyword from the investigator's narrative.

Total incidents
273,193
Of which fatal
1,202
Years on record
2000–2026
Classifications
20
Filters 1 active
Time period
Experience at time of incident

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The record

80 matching records

Showing 50 of 80
April 16, 2025 CA · Metal/Non-Metal lab technician SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

While walking towards the wrapping station, the employee unexpectedly twisted EE's ankle.

December 7, 2022 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

Twisted left knee on slick uneven ground clearing and dragging brush.

September 22, 2022 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

Climbing into the cab of the road grader EE's knee popped. Strained or pulled left knee.

August 2, 2022 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

EE tripped over the pallet that EE was placing bags on, causing EE to fall and land on their right hand, dislocating the 5th middle phalanx.

May 26, 2022 CA · Metal/Non-Metal haul/off road/coal/ore/pit/quarry/rock/rubber tire truck driver, transportation truck driver SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall from machine

Customer truck driver was disconnected from their lanyard while working on the back of their trailer. The driver lost footing and fell 5 feet to the ground below.

December 28, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

EE slipped and fell on the ice cutting the back of EE's head.

September 6, 2021 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

EE tripped over the concrete cover by the Soda Ash Silo, while hosing down the pad, injuring left shoulder.

August 5, 2021 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck by flying object

EE got something in eye at the start of shift putting stickers on bags.

July 16, 2021 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDTOOLS (NONPOWERED)
Dicalite Minerals LLC · Over-exertion in wielding or throwing objects

Threw out left shoulder using sledge hammer. Pulled muscles in both upper arm/shoulder.

May 3, 2021 CA · Metal/Non-Metal warehouse, supply handler POWERED HAULAGE
Dicalite Minerals LLC · Struck against a moving object

Employee was involved in a motor vehicle accident in a company vehicle. The accident occurred in Redding, CA. Employee was injured in the accident, transported to the local ER, treated for injuries and diagnosed with a possible fracture of the C-3 vertebrae. The accident is still under investigation by the Redding PD.

March 16, 2021 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall down stairs

Employee was walking up the stairs to change the time on the printer. EE tripped and fell landing on left wrist. EE was taken to the emergency room and treated for the sprained wrist.

January 27, 2021 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

Bringing paperwork to office slipped and fell on ice injuring right shoulder.

January 27, 2021 CA · Metal/Non-Metal prep plant foreman, supervisor, mill plant supervisor, kiln supervisor SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

Walking into the plant to start work, slipped and fell on the ice and snow in the parking lot. Injured right elbow.

May 9, 2020 CA · Metal/Non-Metal master mechanic, foreman, supervisor MACHINERY
Dicalite Minerals LLC · Struck by flying object

Employee was welding and grinding and got a foreign body in right eye.

December 18, 2019 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

Employee was burning brush and slipped and fell on the ice landing on EE's left shoulder.

December 10, 2019 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck by... (Not Elsewhere Classified)

Employee was clearing brush when a branch sprang back and hit EE in the face, knocking EE's hard hat and safety glasses off. Injury occurred to left eye.

October 17, 2019 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

employee tripped over bulk sack cord while filling bulk sacks. Fell on right knee & wrist on concrete floor

October 3, 2019 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck against stationary object

Employee was hooking up bulk sack at filling station and bumped knuckle on frame causing swollen knuckles.

February 5, 2019 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in pulling or pushing objects

Employee had arm extended all the way out and pulled sideways on a valve that was stuck and hurt right shoulder.

October 9, 2018 CA · Metal/Non-Metal lab technician HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in pulling or pushing objects

Pushing pallet of dica wrap onto a pallet and hurt left shoulder. (Popping noise in shoulder joint)

September 18, 2018 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger OTHER
Dicalite Minerals LLC · Ingestion of radiations, caustics, toxic and noxious substances

EE took an OTC pain reliever, not provided by the company and had an allergic reaction to it, which included difficulty breathing, dizziness, weakness and an itchy body. Dicalite has an AEMT II that took care of EE until the ambulance arrived. EE was given oxygen and an IV and was transported to the hospital. The Vacaville office advised Dicalite to fill out this report.

November 27, 2017 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Dicalite Minerals LLC · Flash burns (welding)

Possibly exposed to arc welding from fellow worker; working on the opposite side of blower housing. Employee was wearing welding/cutting goggles.

April 26, 2017 CA · Metal/Non-Metal outside foreman, leadman HANDTOOLS (NONPOWERED)
Dicalite Minerals LLC · Struck by flying object

EE was falling a tree and was hammering a wedge into the tree and when ee hit the wedge it flew out of the tree and hit ee in the nose.

November 6, 2016 CA · Metal/Non-Metal lab technician HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

EE was whipping a pallet bag like you would a trash bag to open it, when EE whipped it EE was standing on part of the bag and as EE followed thru with the motion EE felt like it separated EE's left shoulder.

October 12, 2016 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in lifting objects

Employee was feeding straw into straw blower for reclamation work and hurt left shoulder.

August 26, 2016 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall from machine

Climbing onto back of pickup to go to lunch, slipped and landed wrong.

January 11, 2016 CA · Metal/Non-Metal welder (shop) MACHINERY
Dicalite Minerals LLC · Struck by flying object

Employee was welding at the palletizer and got a piece of metal in eye.

October 21, 2015 CA · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in lifting objects

Employee was putting 25lb bags of product into boxes and strained left abdomen.

October 2, 2015 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck by... (Not Elsewhere Classified)

Employee was wrapping pallets and got a foreign object in his right eye.

September 12, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Dicalite Minerals LLC · Struck by flying object

Employee was fabricating a roll for the soda ash belt conveyor. While machining surface of roll on lathe a flying metal chip embedded in his left eye.

July 21, 2014 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck by... (Not Elsewhere Classified)

Employee was working on a forklift and got a small piece of metal in his left eye.

July 24, 2013 CA · Metal/Non-Metal welder (shop) MACHINERY
Dicalite Minerals LLC · Contact with hot objects or substances

Employee was welding inside of pipe, and when moving forward to continue welding, he came in contact with a previous weld and burned his left elbow.

June 5, 2013 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer DISORDERS (PHYSICAL AGENTS)
Dicalite Minerals LLC · Contact with heat

Employee had heat prostration.

February 19, 2013 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

Employee was pushing ice out of bowl of scraper with his foot. The piece of ice broke causing him to fall and land on his chin.

December 11, 2011 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Dicalite Minerals LLC · Struck by... (Not Elsewhere Classified)

Employee was cutting strap on new bulk sack pallet with his pocket knife and accidentally cut inside of his forearm.

November 30, 2010 CA · Metal/Non-Metal bulldozer operator, universal operator, heavy equipment operator, operating engineer SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall to the walkway or working surface

Employee was trimming trees and burning brush piles. He stepped on the bank and slipped in the snow falling backwards, catching himself with his arm.

January 4, 2010 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

Employee was laying on his stomach removing valves on the 988 Loader when he over extended stomach/abdominal muscles.

February 17, 2009 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in lifting objects

Employee gathered 12 1lb sample bags of DE and put them in a garbage bag. She put the bag over her shoulder straining her upper left scapular area.

January 22, 2009 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck against stationary object

Employee was making conveyor paddle. When making adjustment, hand slipped into saw blade.

December 4, 2008 CA · Metal/Non-Metal quality control technician, laboratory technician, laboratory assistant HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in lifting objects

Injured was putting a 24 lb bag of diatomaceous earth on a pallet and his elbow popped.

November 6, 2008 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger HANDTOOLS (NONPOWERED)
Dicalite Minerals LLC · Struck by... (Not Elsewhere Classified)

EE was holding limb with hand and hit thumb with swede.

August 3, 2008 CA · Metal/Non-Metal crane operator, mobile equipment operator (meo), dragline operator, dropball operator, rigger SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall from machine

EE was getting out of water truck for lunch break and slipped on bottom step and twisted right knee, skinned up left knee and shin.

June 2, 2008 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech MACHINERY
Dicalite Minerals LLC · Struck by flying object

EE was changing springs on the #44 trailer. He was cutting spring bolts and a piece of metal got in left eye.

March 14, 2008 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion in pulling or pushing objects

EE was installing new roll pipe on pacing conveyor, he was pushing roll thru hole on conveyor. He exteneded his arms out to push pipe thru puther and hurt his lower back.

February 10, 2008 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator OTHER
Dicalite Minerals LLC · (Not Elsewhere Classified)

Employee lifted a conveyor motor and strained his shoulder and chest. Later on that evening he had a heart attack.

August 31, 2006 CA · Metal/Non-Metal maintenance man, mechanic, repair/serviceman, boilermaker, fueler, tire tech, field service tech HANDLING OF MATERIALS
Dicalite Minerals LLC · Struck against stationary object

Hit top of head on the catwalk while climbing ladder.

June 19, 2006 CA · Metal/Non-Metal warehouseman, bagger, palletizer/stacker, store keeper, packager, fabricator, cleaning plant operator DISORDERS (REPEATED TRAUMA)
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

Repetitive packing of 10 lb and 25 lb bags, pounding 25 lb into boxes, use of air hammer.

March 28, 2006 CA · Metal/Non-Metal outside foreman, leadman SLIP OR FALL OF PERSON
Dicalite Minerals LLC · Fall from machine

He was climbing into the back of a service truck. His foot slipped on a step and he fell to the floor on his right shoulder.

July 19, 2005 CA · Metal/Non-Metal welder (shop) HANDLING OF MATERIALS
Dicalite Minerals LLC · Over-exertion (Not Elsewhere Classified)

EE WAS CARRYING A 4" PIPE DOWN STAIRS WHEN SOMEONE GRABBED THE OTHER END TO HELP HIM, THROWING HIM OFF BALANCE ON THE STAIRS.

Showing 50 of 80