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Home > Access Water Knowledge > Mathematical Conversions, Formulas, & Chemicals
These conversion factors, constants, formulas, and chemicals are commonly used in wastewater treatment. These listings are to be used as reference materials for professional operators or engineers in water or wastewater treatment.Updated April 2008The conversion tables offered below are part of WEF's Operation of Municipal Wastewater Treatment Plants Study Guide (2007) which is available for purchase.