StacksVerified U.S. regulatory reference

40 CFR §104.4

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Whenever the Administrator publishes a proposed effluent standard, the notice thereof published in the Federal Register shall include a statement of the basis and purpose of the standard or a summary thereof. This statement shall include:
  1. (a)The purpose of the proposed standard;
  2. (b)An explanation of how the proposed standard was derived;
  3. (c)Scientific and technical data and studies supporting the proposed standard or references thereto if the materials are published or otherwise readily available; and
  4. (d)Such other information as may be reasonably required to set forth fully the basis of the standard.