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<br />TABLE OF CONTENTS <br /> <br /> <br /> <br />TITLE SHEET <br />CERTIFICATION SHEET <br />TABLE OF CONTENTS <br /> <br />1. EXECUTIVE SUMMARY ..................................................................................................... 1 <br />2. INTRODUCTION ................................................................................................................... 2 <br />2.1 Authorization ................................................................................................................ 2 <br />2.2 City Standards and Objectives ...................................................................................... 2 <br />2.3 Study Scope .................................................................................................................. 2 <br />2.4 Background ................................................................................................................... 2 <br />3. EVALUATION OF OPTIONS .............................................................................................. 4 <br />3.1 Option 1: Blend City Wells .......................................................................................... 4 <br />3.2 Option 2: Construct Deeper Mount-Simon Hinckley Wells ........................................ 6 <br />3.3 Option 3: Purchase Water from Minneapolis Water .................................................... 9 <br />3.4 Option 4: Purchase Water from St. Paul Regional Water .......................................... 12 <br />3.5 Option 5: Implement a Water Treatment System for Dioxane .................................. 13 <br />4. COMPARISON OF OPTIONS ............................................................................................ 19 <br /> <br />Appendix A <br />Preliminary Analysis of Providing Water to Saint Anthony Village Memorandum <br /> <br />Appendix B <br />St. Anthony Village UV-AOP Pilot Project Trojan UBPhoxTM Advanced Oxidation <br />System Pilot System Test Report <br /> <br />Appendix C <br />Evaluation of Hydrogen Peroxide with Ozone and Bioremediation for Treatment of <br />Dioxane <br /> <br />Appendix D <br />Cost Estimates <br /> <br /> <br /> <br /> <br />1,4-DIOXANE PROJECT <br />FEASIBILITY REPORT <br />CITY OF ST. ANTHONY VILLAGE <br />WSB PROJECT NO. 3183-00