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 TotalReal-Time Water Quality Monitoring Shows Diurnal Variation of Dissolved Oxygen That Contributes to Unsolved Fish Kills (237 words) $11.50RemoveKilling More Than Just PFAS with One Stone (9 words) $11.50RemoveExisting Sewer Evaluation and Rehabilitation - MOP FD6, 3e About WEF (76 words) $0.00RemoveNet total: $23.00VAT: $0.00Gross total: $23.00 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.