(a) Scope. (1) The Administrator may approve either partial or complete state programs. A ``partial'' state program regulates either solely UST systems containing petroleum or solely UST systems containing hazardous substances. If a ``partial'' state program is approved, EPA will administer the remaining part of the program. A ``complete'' state program regulates both petroleum and hazardous substance tanks.
(1) The Administrator may approve either partial or complete state programs. A ``partial'' state program regulates either solely UST systems containing petroleum or solely UST systems containing hazardous substances. If a ``partial'' state program is approved, EPA will administer the remaining part of the program. A ``complete'' state program regulates both petroleum and hazardous substance tanks.
(2) EPA will administer the UST program on Indian lands, except where Congress has clearly expressed an intention to grant a state authority to regulate petroleum and hazardous substance USTs on Indian lands. In either case, this decision will not impair a state's ability to obtain program approval for petroleum and/or hazardous substances on non-Indian lands in accordance with this part.
(3) Nothing in this subpart precludes a state from:
(i) Adopting or enforcing requirements that are more stringent or more extensive than those required under this part; or
(ii) Operating a program with a greater scope of coverage than that required under this part. Where an approved state program has a greater scope of coverage than required by federal law, the additional coverage is not part of the federally-approved program.
(b) Definitions. (1) The definitions in part 280 apply to all subparts of this part.
(1) The definitions in part 280 apply to all subparts of this part.
(2) For the purpose of this part, the term interim approval means the approval received by a state program that meets the requirements in Sec. 281.11(c) (1) and (2) for the time period defined in Sec. 281.11(c)(3).
(3) For the purposes of this part the term final approval means the approval received by a state program that meets the requirements in Sec. 281.11(b).