Richard Rennard, president of acrylic monomers, America for Arkema Inc. speaks during a news conference Thursday, Aug. 31, 2017, in Crosby, Texas. The Houston-area chemical plant that lost power after Harvey engulfed the area in extensive floods was rocked by multiple explosions early Thursday, the plant's operator said. The Arkema Inc. plant had been left without refrigeration for chemicals that become volatile as the temperature rises. (AP Photo/Gregory Bull)
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