Wastewater Systems Effluent Regulations — 1
rage period during which wastewater is retained for treatment and storage prior to release from that system. ( temps de rétention hydraulique ) influent means wastewater entering a wastewater system. ( affluent ) licensed professional means a licensed member of an engineering or scientific professional organization who has technical expertise in the field in question. ( professionnel agréé ) overflow point means a point of a wastewater system via which excess wastewater may be deposited in water or a place and beyond which its owner or operator no longer exercises control over the quality of wastewater before it is deposited as effluent. ( point de débordement ) point of entry , in relation to the final discharge point or an overflow point of a wastewater system, means (a) the point where effluent is deposited in water frequented by fish via the final discharge point or the overflow point, as the case may be; or (b) any point where the effluent enters that water from the place where it was deposited via the final discharge point or the overflow point, as the case may be. ( point d’entrée ) previous calendar year , in respect of a given period and a wastewater system, means the most recent calendar year during which effluent was deposited via the system’s final discharge point that ended before the given period. ( année civile précédente ) previous month , in respect of a given period and a wastewater system, means the most recent month during which effluent was deposited via the system’s final discharge point that ended before the given period. ( mois précédent ) previous quarter , in respect of a given period and a wastewater system, means the most recent quarter during which effluent was deposited via the system’s final discharge point that ended before the given period. ( trimestre précédent ) Procedure for pH Stabilization EPS 1/RM/50 means the Procedure for pH Stabilization During the Testing of Acute Lethality of Wastewater Effluent to Rainbow Trout (EPS 1/RM/50), March 2008, published by the Department of the Environment, as amended from time to time. ( Procédure de stabilisation du pH SPE 1/RM/50 ) protected aquatic species means an aquatic species as defined in subsection 2(1) of the Species at Risk Act that is (a) a species at risk as defined in that subsection or a species that is listed in Schedule 1 to that Act; or (b) a species that is protected — or classified as an endangered species or threatened species as defined in that subsection — under the laws of a province. ( espèce aquatique protégée ) protected species [Repealed, SOR/2024-97, s. 1] quarter , in respect of a year, means a period of three months that begins on the first day of January, April, July or October. ( trimestre ) Reference Method EPS 1/RM/13 means the Biological Test Method: Reference Method for Determining Acute Lethality of Effluents to Rainbow Trout (EPS 1/RM/13 Second Edition), December 2000 with May 2007 amendments, published by the Department of the Environment, as amended from time to time. ( Méthode de Référence SPE 1/RM/13 ) sanitary sewer means a sewer that is designed to collect wastewater referred to in any of paragraphs (a) to (c) of the definition wastewater or any combination of wastewater referred to in those paragraphs. ( égout sanitaire ) suspended solids or SS means any solid matter contained in effluent that is retained on a filter that has a nominal pore size of 1.5 micrometres or smaller. ( matières en suspension ou MES ) total residual chlorine means the sum of free chlorine and combined chlorine, including inorganic chloramines. ( chlore résiduel total ) wastewater means (a) blackwater; (b) greywater that is mixed with blackwater; (c) used water — other than blackwater and greywater — from an industrial, commercial or institutional facility that is mixed with blackwater; or (d) surface runoff and stormwater that is mixed with blackwater. ( eaux usées ) wastewater system means any work or undertaking, at least part of w