The Environmental Protection Agency (EPA) has given final approval to revisions of Arkansas's Underground Storage Tank (UST) program. This approval means that Arkansas's UST program meets federal requirements and regulations, making it enforceable by the EPA. The EPA codified this approval to enhance public understanding of the program and ensure that state-approved regulations align with federal standards. However, certain provisions of Arkansas’s UST program, which are broader in scope than federal requirements, are not federally enforceable.
Simple Explanation
The EPA has checked and approved Arkansas's way of managing underground tanks that might leak dangerous stuff. This means they agree it follows the important rules, but Arkansas has some extra rules that only Arkansas cares about, not the whole country.