Technologies and Costs for Removal of Arsenic From Drinking Water

5.0 POINT-OF-ENTRY/POINT-OF-USE TREATMENT OPTIONS .............. 5-15.1 Introduction ..................................................... 5-15.2 Variables Affecting Removal Efficiency .............................. 5-25.2.1 Speciation ................................................ 5-25.2.2 pH ...................................................... 5-25.2.3 Co-occurrence ............................................ 5-25.3 POE/POU Device Case Studies ..................................... 5-35.3.1 Case Study 1: Fairbanks, Alaska and Eugene, Oregon .............. 5-55.3.2 Case Study 2: San Ysidro, New Mexico ........................ 5-55.4 Reverse Osmosis ................................................ 5-65.4.1 Cost Estimates ............................................ 5-75.5 Ion Exchange ................................................... 5-105.5.1 Cost Estimates ........................................... 5-105.6 Activated Alumina .............................................. 5-115.6.1 Cost Estimates ........................................... 5-116.0 REFERENCES ....................................................... 6-1APPENDIX AAPPENDIX BAPPENDIX CAPPENDIX DAPPENDIX EVERY SMALL SYSTEMS CAPITAL COST BREAKDOWNSUMMARIESWATER MODEL CAPITAL COST BREAKDOWN SUMMARIESW/W COST MODEL CAPITAL COST BREAKDOWN SUMMARIESBASIS FOR REVISED ACTIVATED ALUMINA COSTSBASIS FOR REVISED ANION EXCHANGE COSTSiv