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 TotalUltrasonic Invasion USA: What Owners and Operators are Learning and How to Apply this 'Proven Technology' to better Understand and Manage Pressure Pipe Applications (25 words) $11.50RemoveIncreased P Assimilation of Fast-growing Heterotrophs Increases P Capture Potential in High-rate Activated Sludge Systems (16 words) $11.50RemoveHandbook on Sediment Quality Chapter 6: Toxicity Tests of Marine and Estuarine Sediment Quality: Applications in Regional Assessments and Uses of the Data (21,416 words) $14.00RemoveNet total: $37.00VAT: $0.00Gross total: $37.00 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.