---
kind: "section"
citation: "40 C.F.R. § 191.21"
title: "40"
number: "191.21"
heading: "Applicability."
url: "https://uscodex.org/cfr/40/191.21"
---

# §191.21. Applicability.

- (a) This subpart applies to:
  - (1) Radiation doses received by members of the public as a result of activities subject to subpart B of this part; and
  - (2) Radioactive contamination of underground sources of drinking water in the accessible environment as a result of such activities.
- (b) **This subpart does not apply to—**
  - (1) Disposal directly into the oceans or ocean sediments;
  - (2) Wastes disposed of before the effective date of this subpart; and
  - (3) The characterization, licensing, construction, operation, or closure of any site required to be characterized under section 113(a) of Public Law 97-425, 96 Stat. 2201.

## 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.