---
kind: "section"
citation: "40 C.F.R. § 190.12"
title: "40"
number: "190.12"
heading: "Effective date."
url: "https://uscodex.org/cfr/40/190.12"
---

# §190.12. Effective date.

- (a) The standards in [§ 190.10(a)](/cfr/40/190.10.md?p=a) shall be effective December 1, 1979, except that for doses arising from operations associated with the milling of uranium ore the effective date shall be December 1, 1980.
- (b) The standards in [§ 190.10(b)](/cfr/40/190.10.md?p=b) shall be effective December 1, 1979, except that the standards for krypton-85 and iodine-129 shall be effective January 1, 1983, for any such radioactive materials generated by the fission process after these dates.

## Notes

### Authority

Authority: Atomic Energy Act of 1954, as amended; Reorganization Plan No. 3, of 1970.

### Source

Source: 42 FR 2860, Jan. 13, 1977, unless otherwise noted.