ARCHIVED REPORTS_XR0006625 - Laserfiche WebLink

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1 ' TABLE OF CONTENTS ' 1. 0 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 . 0 SITE HISTORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 . 0 SOIL AND GROUNDWATER INVESTIGATION. . . . . . . . . . . . . . . . . . . . . . 1 3 . 1 Objectives and Scope of Work. . . . . . . . . . . . . . . . . . . . . . . 1 ' 3 . 2 Soil Boring Invests.gati.on. . . . . . . . . . . . . . . . . . . . . . . . . . 3 3 . 2 . 1 Predrilling Activities. . 3 3 . 2 . 2 Soil boring and Sampling Procedures . . . . . . . . 3 ' 3 .2 . 3 Chemical Analytical Results. . . . . . . . . . . . . . . . . 4 3 . 2 . 3. 1 Monitoring Well Boring MW-4 . 4 3 . 2 . 3 . 2 Monitoring Well Boring MW-5 . . . . . . . . . . 4 3 . 2 . 3 . 3 Monitoring Well Boring MW-6 . . . . . . . . . . 4 ' 3 . 3 Groundwater Investigation. . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 . 3 . 1 Monitoring Well Installation. . 5 3 . 3 . 2 Monitoring Well Development. . . . . . . . . . . . . . . . . 5 ' 3 . 3 . 3 Monitoring Well Sampling. . . . . . . . . . . . . . . . . . . . 6 3 . 3 . 4 Results of Groundwater Chemical Analyses. . . . 6 4 . 0 FINDINGS. . . - - - _ _ . . . . . . . . 7 4 . 1 Groundwater Hydraulic Gradient. . . . . . . . . . . . . . . . . . . . 7 5 . 0 SUMMARY OF FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 6 . 0 STUDY LIMITAIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 IS1 11 r I� FIGURES 1 . SITE VICINITY MAP 2 . SITE PLAN 3 , GROUNDWATER GRADIENT MAP TABLES I 1 . SUMMARY OF SOIL ANALYTICAL RESULTS, 2 . SUMMARY OF (GROUNDWATER , ANALYTICAL, RESULTS, , 3 . GROUNDWATER ELEVATIONS I , 4 .1 WELL CON STRI UCTION, DETAILS , I I I ) I I I 1 I ` I I I I ,E