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Chemical Fire Reported At Flooded Arkema Plant In Crosby, Texas

The Arkema plant in Crosby, Texas, is northeast of Houston. The company says it received reports of two explosions at the plant in the early hours of Thursday.

Updated at 10:02 a.m. ET

Fire broke out and containers of chemicals burst at the Arkema plant in Crosby, Texas, early Thursday, confirming fears that volatile organic peroxides produced at the plant could pose a threat after Hurricane Harvey knocked out safety systems.

The company had pulled its employees from the facility earlier this week out of concern for their safety. Residents within a 1.5-mile radius of Arkema were also ordered to flee.

Because of flooding from Harvey, the plant lost power — and the ability to safely store chemicals that can explode and cause intense fires.

Early Thursday, Arkema said two explosions were reported at the plant northeast of Houston, adding that the Harris County Emergency Operations Center informed the company that black smoke was rising from the plant.

But at a briefing hours later, the county's emergency and safety officials insisted that nothing at the plant had exploded.

"It wasn't an explosion. I want to be very clear. It was not an explosion," Harris County Sheriff Ed Gonzalez said of the incident, which he said was a result of containers "basically popping."

As for the gas and smoke rising from the plant, Gonzalez said, "It is not anything toxic, it's not anything we feel is a danger to the community at all."

The sheriff's department says that 15 of its deputies went to the hospital after getting close to the Arkema plant, and that while eight deputies have been released, seven others are still being evaluated. The agency has said the deputies inhaled a "non-toxic irritant."

Gonzalez compared the fumes his deputies encountered to "standing over a barbecue pit or something like that."

Whether they're called pops, bangs or explosions, the incident centers on chemical containers in 18-wheeler boxes, said Bob Royall, assistant chief of the Harris County Fire Marshal's Office. Three of the nine boxes have lost refrigeration, but the others are still refrigerated — for now, he said.

"What will happen with these containers that are inside these box vans is, they will pop. And they will heat up, and they will catch on fire. And as such, they will burn with intensity until the fuel is consumed — and then they will die down again."

Royall and Gonzalez refused to call the incident an explosion — a distinction that drew questions from reporters at a dawn briefing in Crosby.

Royall replied that he doesn't want people thinking of "a high-order explosion — something that would be devastating."

"We haven't had massive explosions, because that's not what we expect," he added later. In this case, Royall said, "We've heard these containers pop ... basically, they had container over-pressure."

The Occupational Safety and Health Administration lists organic peroxides under two hazard categories: one for fire, and one for "exploding bomb."

"Explosions of peroxides have caused many fatal accidents," says the National Oceanic and Atmospheric Administration. In terms of toxicity, the agency says they are "often highly toxic and irritating to the skin, eyes, and mucous membranes."

Arkema says it had planned for the worst — but that Harvey's impact surpassed those plans, flooding the facility with 6 feet of water. The plant was shut down last Friday, before Harvey made landfall as a Category 4 hurricane.

NPR's Debbie Elliott reports from Beaumont, Texas:

"The plant lost power, and its emergency generators. That knocked out refrigeration that keeps the chemicals stable. They're extremely flammable and burn intensely. A chain reaction of explosions is likely, and Arkema warns an environmental release into floodwaters is possible.

"It's not safe to have anyone on site, so the plan is to let the fire burn out. People within a mile-and-half radius in Crosby were evacuated before the fire."

The company says it began warning officials of the safety risk at the plant days ago, after its contingency plans were defeated.

Saying that the chemicals — which are used in producing plastics, resins and other materials — "could now explode and cause a subsequent intense fire," the company added, "The high water and lack of power leave us with no way to prevent it."

Arkema says the plant "is in a rural area with no hospitals, schools, correctional facilities or recreational areas or industrial/commercial areas in the vicinity."

As NPR's Wade Goodwyn reports:

"According to the EPA, nearly 4,000 people live within a 3-mile radius. The chemical facility too is abandoned since the last 11 employees who had remained to try to keep the products from igniting were pulled out."

...

"Locating chemical and fertilizer plants next to residential areas is not all that uncommon in Texas. In 2013, the West Fertilizer Co. in the small town of West, just south of Dallas, exploded, killing 12 first responders and three others and injuring 160. Property damage to the surrounding neighborhoods was extensive. The Bureau of Alcohol, Tobacco, Firearms and Explosives eventually ruled that fire was deliberately set. The water poured onto the blaze by the volunteer firemen very likely facilitated the explosion, which blew up with the force of between 7.5 and 10 tons of TNT."

Copyright 2017 NPR. To see more, visit http://www.npr.org/.

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