 Pretreatment and Laboratory Services (PALS) administers local, state, and federal regulations to control pollutants discharged from commercial and industrial users (IUs) within the city of Dallas which may pass through or interfere with the city's Publicly Owned Treatment Works (POTW).The city's POTW consists of two wastewater treatment plants treating up to per day, fourteen pump stations, and over of sanitary sewer collection pipelines.The Pretreatment Program administers and enforces the regulations in order to