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title 40
Protection of Environment
chapter I-i24
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
part 142
PART 142—NATIONAL PRIMARY DRINKING WATER REGULATIONS IMPLEMENTATION
subpart A
Subpart A—General Provisions
Subpart A. Subpart A—General Provisions
§ 142.1 - Applicability.
§ 142.2 - Definitions.
§ 142.3 - Scope.
§ 142.4 - State and local authority.
