---
kind: "section"
citation: "40 C.F.R. § 191.23"
title: "40"
number: "191.23"
heading: "General provisions."
url: "https://uscodex.org/cfr/40/191.23"
---

# §191.23. General provisions.

- (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.
- (b) [Reserved]

## Notes

### Source

Source: 58 FR 66415, Dec. 20, 1993, unless otherwise noted.

### Authority

Authority: The Atomic Energy Act of 1954, as amended, 42 U.S.C. 2011-2296; Reorganization Plan No. 3 of 1970, 5 U.S.C. app. 1; the Nuclear Waste Policy Act of 1982, as amended, 42 U.S.C. 10101-10270; and the Waste Isolation Pilot Plant Land Withdrawal Act, Pub. L. 102-579, 106 Stat. 4777.

### Source

Source: 50 FR 38084, Sept. 19, 1985, unless otherwise noted.