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63 FR 43848, Aug. 14, 1998, unless otherwise noted.
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(a) Any person served by the public water system may petition the Administrator to object to the granting of a small system variance within 30 days after a State proposes to grant a small system variance for a public water system.
(b) The Administrator must respond to a petition filed by any person served by the public water system and determine whether to object to the small system variance under § 142.311, no later than 60 days after the receipt of the petition.