4 Written questions
3 Multiple choice questions
- during primary treatment deposits of fine solids settle out from the wastewater
- is a measurement of the substances in water besides water molecules.
- that wastewater and the different kinds of wastes in it
3 True/False questions
Filtration → is the process of passing water through a series or screens that allow the water through but not larger solid particles
pH → is a measurement of how acidic or basic it is on a scale of 0 - 14.
Leach Feild → the aera around the septic tank that the water filters through