(a) The material incorporated by reference in this subpart was approved by the Director of the Federal Register Office in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. The material may be inspected or obtained from the EPA Region 8 office, 1595 Wynkoop Street, Denver, CO 80202-1129, 303-312-6312 or from the other sources listed in this section. It may also be inspected at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, email [email protected] or go to: www.archives.gov/federal-register/cfr/ibr-locations.html.

(b) State of South Dakota, Legislative Research Council, 5007, 500 E Capitol Ave. #3, Pierre, SD 57501, (605) 773-3251, https://rules.sd.gov/; Administrative Rules of South Dakota (ARSD). Title 74 South Dakota Department of Environment and Natural Resources: