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 Total“A Wastewater Community-Based Approach to Managing Operations and Related Data” (11 words) $11.50RemovePreparing Your Stormwater System for the 21st Century Coastal Total Water Levels (13 words) $11.50RemoveCan Biosolids Land Application Improve Soil Health? (8 words) $11.50RemoveWastewater Treatment Plant Design Handbook Chapter 13 - Chemical Conditioning (972 words) $7.00RemoveNet total: $41.50VAT: $0.00Gross total: $41.50 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.