§ 125.100 - Purpose and scope.

This subpart describes how best management practices (BMPs) for ancillary industrial activities under section 304(e) of the Act shall be reflected in permits, including best management practices promulgated in effluent limitations under section 304 and established on a case-by-case basis in permits under section 402(a)(1) of the Act. Best management practices authorized by section 304(e) are included in permits as requirements for the purposes of section 301, 302, 306, 307, or 403 of the Act, as the case may be.