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 TotalPerformance Validation of a Shell-Media Biological Odor Control System (193 words) $11.50RemovePurpose Driven Work: Utilizing the motivation behind the new workforce to build a successful internship program (17 words) $11.50RemoveStandards for Design of Water Resource Recovery Facilities, WEF 8 Appendix A: Aeration (2,469 words) $0.00RemoveStandards for Design of Water Resource Recovery Facilities, WEF 8 List of Figures (116 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.