(redirected from Pretreatment Standards for Existing Sources)
PSESPost-Secondary Education System (Canada)
PSESPretreatment Standards for Existing Sources (US EPA)
PSESPatient Safety Evaluation System (health care)
PSESP-Bit Severely Errored Seconds
PSESProduct Safety Engineering Society (IEEE)
PSESPorter School of Environmental Studies (Tel Aviv University; Israel)
References in periodicals archive ?
Facilities discharging to publicly owned treatment works, or existing indirect discharges, were required to comply with pretreatment standards for existing sources (PSES) by Oct 31, 1988.