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Regulations last checked for updates: May 13, 2025
Title 40 - Protection of Environment last revised: Nov 13, 2025
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Title 40
Chapter I
Part 258
Subpart E - Subpart E—Ground-Water Monitoring and Corrective Action
§ 258.50 - Applicability.
§ 258.51 - Ground-water monitoring systems.
§ 258.52 - [Reserved]
§ 258.53 - Ground-water sampling and analysis requirements.
§ 258.54 - Detection monitoring program.
§ 258.55 - Assessment monitoring program.
§ 258.56 - Assessment of corrective measures.
§ 258.57 - Selection of remedy.
§ 258.58 - Implementation of the corrective action program.
§ 258.59 - [Reserved]
authority:
33 U.S.C. 1345
(d) and (e);
42 U.S.C. 6902
(a), 6907, 6912(a), 6944, 6945(c) and 6949a(c), 6981(a)
source:
56 FR 51016, Oct. 9, 1991, unless otherwise noted.
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