Shopping basket > Review order Currently in your basket Before proceeding to checkout you will need you to either login or create an account. Your items will remain in your basket. USDItem TotalThird Century of Biochemical Oxygen Demand, 2nd Edition 10 Biodegradation and Toxicity (11,911 words) $17.00RemoveLong-Term Performance of a Recirculating Anaerobic Dynamic Membrane Bioreactor for Mainstream Domestic Wastewater Treatment (15 words) $11.50RemoveLeadership and People Management -- What Every Operator Needs to Know (1,992 words) $5.50RemoveCase Study Highlighting the South San Francisco-San Bruno Water Quality Control Plant's Initiatives to Increase Digestion Capacity within Existing Plant Infrastructure via High-Performance Mixing, Recuperative Thickening, and High Solids Digestion. (31 words) $11.50RemoveUsing 2D Modeling to Improve Large-scale Urban Stormwater Modeling to Support Instream Water Quality Improvement (16 words) $11.50RemoveNet total: $57.00VAT: $0.00Gross total: $57.00 Payment info When you click the checkout button, you will be redirected to a secure Paypal page where you can either pay using an existing Paypal account, or pay by card without a Paypal account. Continue shopping We access Visa, Mastercard, Maestro, American Express all through Paypal.