FILE - The Fifth Ward Elementary School and residential neighborhoods sit near the Denka Performance Elastomer Plant, back, in Reserve, La., Sept. 23, 2022. (AP Photo/Gerald Herbert, File)
FILE - EPA Administrator Michael Regan, left, arrives at the Fifth Ward Elementary School, which is near the Denka plant, with Robert Taylor, second left, founder of Concerned Citizens of St. John's Parish, and Lydia Gerard, third left, a member of the group, in Reserve, La., Nov. 16, 2021. (AP Photo/Gerald Herbert, File)
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FILE - The Fifth Ward Elementary School and residential neighborhoods sit near the Denka Performance Elastomer Plant, back, in Reserve, La., Sept. 23, 2022. (AP Photo/Gerald Herbert, File)
