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 TotalSafety, Health and Security in Wastewater Systems, MOP 1, 6th Edition Chapter 7: Commercial and Powered Industrial Vehicles (8,783 words) $17.00RemoveWastewater Treatment Fundamentals III: Advanced Treatment Chapter 3: Physical and Chemical Treatment (23,836 words) $12.00RemoveFRP for Structural Rehabilitation of Large Diameter Sewers (9 words) $11.50RemoveWhen Less is More (GHGs): Comparing The Carbon Impact of Common Nitrogen Treatment Processes Using ASM2d Models Demonstrates Surprising Tradeoff For Low DO Processes (25 words) $11.50RemoveNext Generation Resource Recovery Update: Startup and Construction of the Co- Digestion to Renewable Natural Gas (RNG) Pipeline Injection Project at the Des Moines WRF (26 words) $11.50RemoveLeveraging Big Data Platforms in Water and Wastewater to Accelerate Machine Learning Optimization at a Regional Scale (18 words) $11.50RemoveUVC-LED the Wave of the Future (7 words) $11.50RemoveRisk-Reward Decision Tool for Evaluating Co-Digestion Project Viability (9 words) $11.50RemoveFacilitating Sustainable Fishery in the Potomac River with Innovative Hydraulics (11 words) $11.50RemoveNet total: $109.50VAT: $0.00Gross total: $109.50 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.