ABSTRACT
C ONVERSION factors are used to change measurements or calculated values fiom one unit of measure to another. More importantly, they permit the plant operator to change measurements or calculated values from one unit of measure to another, makmg his or her job easier. Examples include hours to minutes, days to weeks, etc. The factors covered in this handbook are those used frequently within the wastewater treatment plant. Other common factors are provided for reference but are not discussed in the material.
