Secondary sedimentation definition
Secondary sedimentation means the removal by gravity of settleable solids remaining in the effluent after the biological treatment process.
Sedimentation means a process for removal of solids before filtration by gravity or separation.
Secondary Systems means control or power circuits that operate below 600 volts, AC or DC, including, but not limited to, any hardware, control or protective devices, cables, conductors, electric raceways, secondary equipment panels, transducers, batteries, chargers, and voltage and current transformers.
Underground source of drinking water (USDW) means an aquifer or its portion:
Polystyrene foam adhesive means an aerosol adhesive designed to bond polystyrene foam to substrates.
Soil texture means proportion by weight of sand, silt, and clay in a soil.