Effluent Guidelines (also referred to as Effluent Limitation Guidelines (ELGs)) are U.S. national standards for wastewater discharges to surface waters and publicly owned treatment works (also called municipal sewage treatment plants).
An effluent decontamination system is a device, or suite of devices, designed to decontaminate or sterilise biologically active or biohazardous materials in fluid and liquid waste material.