CRESSON, Texas (AP) — Investigators believe a worker dragging his foot along a factory floor sparked a Thursday explosion at a Texas chemical plant that injured two workers and left a third unaccounted for, and fears of another blast amid the toxic chemicals prevented crews from battling the ensuing blaze, an official said.
Nine emergency-rescue and fire departments responded to the blaze at the Tri-Chem Industries plant in Cresson, about 50 miles (80 kilometers) southwest of Dallas, but were evacuated from the vicinity because of risk of exposure and of another explosion, Cresson Mayor Bob Cornett told The Associated Press.
The worker who dragged his foot while chemicals were being mixed caught fire from the waist up and was airlifted with critical burn injures to a Dallas hospital. Another worker with less severe injuries also was treated at a hospital. Cornett identified the missing worker as 27-year-old Dillon Mitchell.
Rescuers "haven't even attempted to try to find him. It's too hot," Cornett said late Thursday, as the fire continued to burn.
Aerial photos showed that the plant's metal beams had caved in, and Cornett said the earliest rescuers could begin searching for Mitchell was Friday morning, after the fire had extinguished itself and heavy excavation equipment could be brought to the site.
Cornett said Tri-Chem Industries mixes chemicals that are primarily used by the oil and gas industry to drill disposal wells, and that although he didn't know how many of the chemicals at the plant were hazardous, "what was burnt and exploded was quite toxic."
The Environmental Protection Agency deployed an on-site coordinator to help monitor air emissions, according to spokesman David Gray.
The state's on-site emergency spokesman, Texas Highway Patrol Staff Sgt. Earl Gillum, didn't respond to repeated calls seeking information.
Cornett said that the wind was carrying black smoke and fumes emanating from the plant away from residents, but that the city could issue an evacuation order if the wind direction changed.
A spokesman for the Texas Commission on Environmental Quality, the state agency responsible for coordinating the cleanup, declined to produce a list of the plant's on-site chemicals, telling an AP reporter to file a public information request.
In recent years, Texas leaders have made it increasingly difficult for the public to find out about the chemicals manufactured and stored at such plants.
After a fertilizer plant explosion in the city of West, Texas, killed 15 people in 2013, Greg Abbott, who was then attorney general and is now governor, ruled that state agencies could withhold information about hazardous chemicals because of "ongoing terroristic activity."
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