Tetra Technologies, Inc.

On July 22, 2023, an employee was swinging a 5-ton hammer on a hammer union. The employee then noticed a piece of metal was lodged in his upper left thigh and required hospitalization.

On 6/20/2023, an employee was opening a water faucet valve at a facility when they were stung by a wasp and experienced a severe allergic reaction. The employee was hospitalized.

An employee used a wire brush to clean the threads of two 10-foot joints of 2-inch figure 1502 iron pipe, which were sitting on the rack of a monorail trailer. As the employee rotated the pipe inward to clean the threads of the innermost joint, the opposite end of the pipe dislodged from the rack and fell to the ground. As it fell, the end nearest to the employee levered upward and pinched their right thumb between the two joints of pipe. The employee sustained a laceration and fracture to the thumb.

Two employees were transferring rinsate from a chemical tote to frac tanks using a bucket. Approximately six hours later, both employees stated that they felt winded with slightly strained breathing. One of the employees was hospitalized due to strained breathing and low oxygen levels.

An employee was holding a 55-gallon drum in place with his right leg while another employee was attempting to puncture the drum with the forks of a forklift. As the forklift operator applied pressure to the drum with the forks, the injured employee's foot became pinned to the ground under the drum, resulting in a fracture to his right leg. He was hospitalized and had surgery.

An employee was working at a drive-thru window when she suffered an asthma attack that required hospitalization.

An employee developed nausea and dizziness after being exposed to a substance in a restroom. The employee was hospitalized.

An employee suffered a reaction to an unknown object or substance, resulting in a body rash, swelling of the throat, and vomiting that required hospitalization.

An employee was trying to identify the location of a blockage in a pneumatic line. Two pipes in the line came apart, expelling batch mix onto the employee. The employee suffered abrasions and burns to the head, neck, and back.

An employee's face was burned by asphalt mixture. The employee was hospitalized.

An employee was on a ladder disconnecting a 1-inch hose, known to have last carried acrylic acid that had been drained. When the hose was disconnected, residual acid dripped onto the employee's shoulder/arm area, causing a second-degree chemical burn.

On October 1, 2025, at approximately 9:50 p.m., an employee was removing a sack of debris from a dust collector when four of his right-hand fingers were severed by a rotary valve. The employee was hospitalized and underwent surgery to amputate the four fingers at the knuckle.

An employee was unloading and depressurizing a railcar filled with sulfuric acid. The employee turned the valve to disconnect the hose when sulfuric acid released and sprayed upward via the standpipe. The employee was hospitalized burns.

On May 8, 2025, an employee developed a cough while cleaning up chemical sewage from the floor. He was hospitalized, having suffered an allergic reaction to chemical product vapors.

An employee was loading a magazine of tubes into a machine to fill. As they raised the door into position, the door dropped onto the employee's right hand and amputated their right index fingertip at the nailbed.

After cutting a slab of beef short ribs, an employee turned to grab the pieces he had cut and his right hand contacted the saw blade. The employee sustained an amputation to his right index finger.

An employee was unloading a carpet pad from a truck when they fell from the truck dock to the concrete below, resulting in five fractured ribs and an injury to their left lung.

An employee was inspecting flares processes. The employee received burns to the front side of the body, face and arm from the flares.

An employee was removing plastic material from a production line when the machine cycled and amputated his left index, ring, and little fingers.

An employee was walking up a walkway to enter a building through the back entrance when she tripped over the lip of the cement ramp. The employee fell and sustained a fractured right hip.