Effluent means any liquid, including particles of matter and other substances in suspension in the liquid; "financial year" means the twelve months ending with 31st March;
Categorical pretreatment standard means any national pretreatment standard specifying quantities or concentrations of pollutants or pollutant properties which may be discharged to a POTW by existing or new industrial users in specific industrial subcategories, promulgated by the administrator in accordance with section 307 of the act and established under 40 C.F.R. chapter I, subchapter N.
Applicable effluent standards and limitations means all State and Federal effluent standards and limitations to which a discharge is subject under the Act, including, but not limited to, effluent limitations, standards of performance, toxic effluent standards and prohibitions, and pretreatment standards.