110 STAT. 1644 PUBLIC LAW 104-182—AUG. 6, 1996 modification to the variance to resolve the concerns of the Administrator. The State shall make the recommended modification or respond in writing to each objection. If the State issues the variance without resolving the concerns of the Administrator, the Administrator may overturn the State decision to grant the variance if the Administrator determines that the State decision does not comply with this subsection. "(B) PETITION BY CONSUMERS.—Not later than 30 days after a State exercising primary enforcement responsibility for public water systems under section 1413 proposes to grant a variance for a public water system, any person served by the system may petition the Administrator to object to the granting of a variance. The Administrator shall respond to the petition and determine whether to object to the variance under subparagraph (A) not later than 60 days after the receipt of the petition. "(C) TIMING. — No variance shall be granted by a State until the later of the following: "(i) 90 days after the State proposes to grant a variance. "(ii) If the Administrator objects to the variance, the date on which the State makes the recommended modifications or responds in writing to each objection.". SEC. 117. EXEMPTIONS. (a) IN GENERAL.—Section 1416 (42 U.S.C. 300g-5) is amended as follows: (1) In subsection (a)(1)— (A) by inserting after "(which may include economic factors" the following: ", including qualification of the public water system as a system serving a disadvantaged community pursuant to section 1452(d)"; and (B) by inserting after "treatment technique requirement," the following: "or to implement measures to develop an alternative source of water supply,". (2) In subsection (a), by striking "and" at the end of paragraph (2), striking the period at the end of paragraph (3) and inserting "; and" and by adding the following at the end thereof: "(4) management or restructuring changes (or both) cannot reasonably be made that will result in compliance with this title or, if compliance cannot be achieved, improve the quality of the drinking water.". (3) In subsection (b)( 1)(A)— (A) by striking "(including increments of progress)" and inserting "(including increments of progress or measures to develop an alternative source of water supply)"; and (B) by striking "requirement and treatment" and inserting "requirement or treatment". (4) In subsection (b)(2)— (A) by striking "(except as provided in subparagraph (B))" in subparagraph (A) and all that follows through "3 years after the date of the issuance of the exemption if in subparagraph (B) and inserting the following: "not
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