Apparatus for receiving, holding, dispersing or treating aqueous liquids, namely, leaching chambers being open-bottomed plastic septic tanks, and plastic fittings specifically designed for use with leaching chambers; septic tanks, septic tank risers, and fittings specifically designed for use with septic tanks and septic tank risers, all made of plastics; wastewater treatment holding tanks and wastewater treatment tanks made of plastics
Environmental Control Apparatus