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42 U.S.C. 7401 et seq.
43 FR 51393, Nov. 3, 1978, unless otherwise noted.
51 FR 8828, Mar. 14, 1986, unless otherwise noted.
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Letter from the Missouri Department of Natural Resources, submitted May 4, 2022, certifying that there are no sulfuric acid production plants in Missouri. Effective date: The revision effective date of the negative declaration and EPA withdrawal of the prior plan approval is October 6, 2025.
[90 FR 42841, Sept. 5, 2025]