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Port Neches Voluntary Evacuation Continues As Butadiene Remains Detectable

Jefferson County emergency management officials say the elevated levels of the chemical butadiene do not pose a serious health risk, but could cause dizziness, nausea, headaches or irritation to the eyes and throat. The powerful explosions happened Nov. 27 at the TPC Group plant in Port Neches, about 80 miles east of Houston.

Crews work to contain the fire at the TPC Group Port Neches facility. The fire was reported extinguished on December 4, 2019.

Concerns over air quality have prompted a voluntary evacuation order that was in effect Thursday for a Texas Gulf Coast city where a pair of chemical plant explosions occurred last week.

Port Neches issued the voluntary order for its 50,000 residents late Wednesday after elevated levels of the chemical butadiene were detected. Jefferson County emergency management officials said the elevated levels did not pose a serious health risk, but could cause dizziness, nausea, headaches or irritation to the eyes and throat.

Butadiene is a chemical used to make synthetic rubber and other products.

The first explosion happened early Nov. 27 at the TPC Group plant about 80 miles (129 kilometers) east of Houston and was so powerful it shattered windows and ripped doors off hinges of nearby homes. A second blast occurred about 13 hours later, and the fire wasn’t contained until Nov. 29.

The blast sent a huge plume of smoke into the air that was visible for miles.

The explosion was the latest in a series of high-profile accidents this year up and down the Texas Gulf Coast, which is home to the highest concentration of oil refineries in the nation. In July, an explosion at an ExxonMobil refinery in Baytown left more than dozen people with minor injuries and put nearby residents under a shelter-in-place advisory for three hours.

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