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 TotalSafety, Health and Security in Wastewater Systems, MOP 1, 6th Edition Chapter 4: Safety and Health in Wastewater Treatment Plant Operation (18,085 words) $17.00RemoveSo, You Think You Can Inspect? The Saga of City-Wide Inspections in the Nation's Capital (16 words) $11.50RemoveRisk Analysis for SSO Projects (112 words) $11.50RemoveNavigating the Rapids: Overcoming Obstacles in the Rehabilitation of a 90-inch Sewer (13 words) $11.50RemoveQuantifying the True Value of Utility Infrastructure to the Local Economy: Economic Impact Analysis of Columbia's $750M CleanWater 2020 Program (21 words) $11.50RemovePlan the Work, Work the Plan: Long-term I/I Mitigation in Practice (12 words) $11.50RemoveNet total: $74.50VAT: $0.00Gross total: $74.50 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.