TABLE OF CONTENTS

                                                               PAGE
TABLE OF CONTENTS                                               ii

LIST OF FIGURES                                                 iii

INTRODUCTION AND JUSTIFICATION                                    1
     Introduction                                                 1
     Project Justification and Goals                              2

LITERATURE REVIEW                                                 4
     On-Site Waste Disposal Systems                               4
     Nitrification and Denitrification Processes                  8
     Nitrogen Removal Systems for On-Site Waste
           Disposal Systems                                      12

METHODS                                                          19
     Study Sites                                                 19
     Monitoring Well Installation and Design                     20
     Denitrification System Installation and Design              28
     Denitrification System Monitoring                           30

PRELIMINARY RESULTS                                              34
      Site 1                                                     34
      Site 2                                                     38

LITERATURE CITED                                                 43

APPENDICES                                                       46
    Groundwater Chemistry for Site 1                             47
    Groundwater Chemistry for Site 2                             61
    RSF Chemistry for Site 1                                     65
    RSF Chemistry for Site 2                                     67


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