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<br />Table of Contents <br /> <br /><::> <br />N <br />tV <br />I-' <br /> <br />Page <br /> <br />COLORADO RIVER BASIN SALINITY CONTROL FORUM MEMBERS ..................................... <br /> <br />COLORADO RIVER BASIN MAP ........................,............................................................................. ii <br /> <br />TRANSMITTAL LETTERS ................................................................................................................. iii <br /> <br />SUMMARY ........................................................................................................................................... v <br /> <br />TABLE OF CONTENTS ...................................................................................................................... ix <br /> <br />LIST OF ABBREVIATIONS USED IN REPORT ................................................................................ xii <br /> <br />CHAPTER I - INTRODUCTION .......................................................................................................... I-I <br />Purpose of Report ... ....... ........................... ...... .............................. .............. ......................... ...... 1-1 <br />History and Background ............................................................................................................ 1-2 <br />Overview of Standards .............................................................................................................. 1-4 <br />Program Funding ........... ........... ............................................. ...... ....... ............... ................ ........ 1-5 <br /> <br />CHAPTER 2 - SALINITY OF THE RIVER .......................................................................................... 2-1 <br /> <br />Overview .................................................................................................................................... 2-1 <br />Observed Salinity .......... .............................. .......... ................... ........... ................. .............. ....... 2-4 <br />Water Use and Associated Impacts of Salinity ......................................................................... 2-4 <br />Future Water Depletions ........................................................................................................... 2-6 <br /> <br />Salinity Control Targets ............................................................................................................ 2-7 <br /> <br />CHAPTER 3 - NUMERIC CRITERIA FOR SALINITY ...................................................................... 3-1 <br /> <br />Overview .. ....... ................... ..... .......... ......... ............. .............. ......................................... .:.... ..... 3-1 <br />Natural Variations ...... ........... ........ ............ ...~.................. ................. ..... ...... ....... ....................... 3-2 <br />Temporary Increases .. .................... ........... ....... ......... ...... .............. ........... ................. ........ ........ 3-2 <br />Provision for Reviewing and Revising Standards ..................................................................... 3-2 <br />Review of the Numeric Criteria ................................................................................................ 3-3 <br /> <br />CHAPTER 4 - PLAN OF IMPLEMENTATION .................................................................................. 4-1 <br /> <br />Overview ................................................................................................................................... 4-1 <br />Federal Programs .......................................................................................................... '............ 4-5 <br />Overview ...................................................................................................................... 4-5 <br />Reclamation/USDA Units ............................................................................................ 4-5 <br /> <br />Units Completed ............................................................................................. 4-6 <br />Units Being Implemented ................................................................................ 4-6 <br />Bureau of Land Management ...................................................................................... 4-11 <br /> <br />Point Source ............................................;......................................'................ 4-12 <br />Nonpoint Sources ............................................................................................ 4-12 <br />Analysis ofBLM Effort ..................,............................................................... 4-14 <br />Environmental Protection Agency...........................................................................,.. 4-14 <br /> <br />IX <br /> <br />i <br />"J <br />