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 TotalAccurately Modeling the Effect of Dissolved Oxygen on Nitrification (252 words) $11.50RemoveWater Quality Instrumentation 7 Turbidity (15,347 words) $25.00RemoveExisting Sewer Evaluation and Rehabilitation - MOP FD6, 3e Index (3,434 words) $0.00RemoveInformation Technology for Water and Wastewater Utilities, MOP 33, 2nd Edition 1: Introduction (2,609 words) $23.00RemoveAchieving BNR with Bioaugmentation and High Purity Oxygen: Rigorous Technology Review and Process Modeling Leads to Successful Startup of the Harrisburg AWTF BNR Retrofit (283 words) $11.50RemoveWhat Factors Should I Consider Before Performing Inspection and / or Investigations of my Sewer System? (17 words) $11.50RemoveTo Measure or Not to Measure, That is the Question! Optical Remote Sensing of Greenhouse Gas Emissions from Wastewater Treatment (21 words) $11.50RemoveNet total: $94.00VAT: $0.00Gross total: $94.00 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.