Mathematics Manual for Water and Wastewater Treatment Plant Operators

Frank R. Spellman is a retired assistant professor of environmental health at Old Dominion University, Norfolk, Virginia, and the author of more than 160 books covering topics ranging from concentrated animal feeding operations (CAFOs) to all areas of environmental science and occupational health. He consults on homeland security vulnerability assessments for critical infrastructures, including water/wastewater facilities, and conducts audits for Occupational Safety and Health Administration and Environmental Protection Agency inspections throughout the country. Dr. Spellman lectures on sewage treatment, water treatment, and homeland security, as well as on safety topics, throughout the country and teaches water/wastewater operator short courses at Virginia Tech in Blacksburg.

1. Introduction. 2. Basic Units of Measurement, Conversions. 3. Sequence of Operations. 4. Fractions, Decimals & Percent. 5. Rounding & Significant Digits. 6. Powers of Ten and Exponents. 7. Averages (Arithmetic Mean) & Median. 8. Solving for the Unknown. 9. Ratio/Proportion. 10. Electrical Calculations. 11. Circumference, Area & Volume. 12. Force, Pressure & Head, Velocity Calculations. 13. Mass Balance & Measuring Plant Performance. 14. Pumping Calculations. 15. Water Source & Storage Calculations. 16. Waste/Wastewater Laboratory Calculations. 17. Workbook Practice Problems.