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 TotalStandards for Design of Water Resource Recovery Facilities, WEF 8 Chapter 16: Odor and Air Emissions Control (1,885 words) $12.00RemoveSolids-Handling Pump Impellers -- Maintenance Essentials (551 words) $5.50RemoveInflation Reduction Act: Direct Pay Tax Incentives and Grants for Qualifying Utility Projects (14 words) $11.50RemoveNet total: $29.00VAT: $0.00Gross total: $29.00 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.