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CITY OF SANTA ANA <br />Well No, 32 Nitrate Mitigation and Rehabilitation Study <br />TABLE OF CONTENTS <br />I %willirlIlCN9LY001�"I\ta•1 <br />Page <br />1.0 <br />Introduction ................................................................................................ <br />............................... 1 <br />1.1 Scope of Work ............................................................................... <br />............................... 1 <br />2.0 <br />Well Information ........................................................................................ <br />............................... 3 <br />2.1 Well Description ............................................................................ <br />............................... 3 <br />2.2 Water Quality Data ........................................................................ <br />............................... 3 <br />2.3 Water Quality Objectives .............................................................. <br />............................... 4 <br />3.0 <br />Project Alternatives .................................................................................... <br />............................... 5 <br />3.1 No Action ...................................................................................... <br />............................... 5 <br />3.2 Blending in the Distribution System .............................................. <br />............................... 5 <br />3.3 Treatment Options ......................................................................... <br />............................... 12 <br />3.4 Preliminary Cost Estimates ............................................................ <br />............................... 14 <br />4.0 <br />Well Modifications ....................................................................................... <br />.............................15 <br />4.1 Well Head and Piping Modifications ............................................ <br />............................... 15 <br />4.2 Building Modif ications .................................................................. <br />............................... 15 <br />4.3 Motor Control Center Replacement ............................................... <br />............................... 16 <br />5.0 <br />Project Recommendation ............................................................................ <br />............................... 16 <br />LIST OF APPENDICES <br />APPENDIX A — Water Quality Data <br />APPENDIX B — Equipment Data Sheets <br />APPENDIX C — Estimates of Probable Construction Costs <br />P,\P00599\0086T , inee6ny\05\ Well- 32 -Nlt rate- Miti6etian\DmR Repori\0'!texedou -I- TETRA TECH <br />251 -16 <br />