40 CFR Part 414 - Subpart I - Direct Discharge Point Sources That Use End-of-Pipe Biological Treatment

CFR

§ 414.90 Applicability; description of the subcategory of direct discharge point sources that use end-of-pipe biological treatment.
§ 414.91 Toxic pollutant effluent limitations and standards for direct discharge point sources that use end-of-pipe biological treatment.