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Notes

§257.4. Effective date.

40 C.F.R. § 257.4

These criteria become effective October 15, 1979.
Notes, amendments, and revision history

Authority

Authority: 42 U.S.C. 6907(a)(3), 6912(a)(1), 6927, 6944, 6945(a) and (d); 33 U.S.C. 1345(d) and (e).

Source

Source: 44 FR 53460, Sept. 13, 1979, unless otherwise noted.