{"data":{"id":"us/40-cfr-191.23","jurisdiction":"us","citation":"40 CFR 191.23","heading":"General provisions.","body":"(a) Determination of compliance with this subpart shall be based upon underground sources of drinking water which have been identified on the date the implementing agency determines compliance with subpart C of this part.\n(b) [Reserved]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER F—RADIATION PROTECTION PROGRAMS","PART 191—ENVIRONMENTAL RADIATION PROTECTION STANDARDS FOR MANAGEMENT AND DISPOSAL OF SPENT NUCLEAR FUEL, HIGH-LEVEL AND TRANSURANIC RADIOACTIVE WASTES","Subpart C—Environmental Standards for Ground-Water Protection"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"e238fe37ad1461aba9fc75e13da9e7e1031c79cb0eb671f63684256b2fbcaf0f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-191.22","next":"us/40-cfr-191.24"},"notice":"GroundRules: Original legal text. Not legal advice."}