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 CONTENTS (523 words) $0.00RemoveDeveloping A Design Basis of Pathogen Removal Across MBRs In The Absence Of A Regulatory Requirement (17 words) $11.50RemoveDC Water's Journey to Gen AI (7 words) $11.50RemoveReduce, Reuse, Refuel (2,900 words) $5.50RemoveEPA’s Per- and Polyfluoroalkyl Substances (PFAS) Action Plan X. References (1,324 words) $0.00RemoveModeling Side-Stream Enhanced Biological Phosphorus Removal (S2EBPR) Systems: In-sights From Versatile Anaerobic Pathways (14 words) $11.50RemoveNet total: $40.00VAT: $0.00Gross total: $40.00 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.