section 1. Fundamental conversions, computations, modeling, and algorithms -- section 2. Statistics, risk measurement, and boolean algebra -- section 3. Economics -- section 4. Engineering fundamentals -- section 5. Soil mechanics -- section 6. Biomass basic computations -- section 7. Fundamental science computations -- section 8. Environmental health and safety computations -- section 9. Math concepts : air pollution control -- section 10. Math concepts : water quality -- section 11. Math concepts : wastewater -- section 12. Math concepts : stormwater engineering.