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1 <br /> 1 TABLE OF CONTENTS <br /> • <br />' 10 INTRODUCTION . . .. . ... .. . . . . . . ...... 1 <br />' <br /> 20 BACKGROUND ..... ... . . ..... .... .. .. .... .. . ... .. . .... 1 <br /> 21 UNDERGROUND STORAGE TANK REMOVAL 1 <br /> 22 PREVIOUS SITE ASSESSMENT 1 <br />' <br /> 23 GROUND WATER DEPTH AND GRADIENT 3 <br /> 30 SCOPE OF WORK . . . . ..... ... 3 <br /> 31 PERMITTING AND PRE-FIELD WORK ACTIVITIES 4 <br />' <br /> 32 CPT ADVANCEMENT AND GROUND WATER COLLECTION 4 <br /> 3 3 MONITORING WELL ABANDONMENT 5 <br /> 34 WELL DRILLING AND SOIL SAMPLE COLLECTION 5 <br />' <br /> 34 1 Ground Water Monitoring Wells 5 <br /> 3 4 2 Ground Water Extraction Well 6 <br /> 35 WELL DEVELOPMENT AND SURVEY 7 <br /> 36 GROUND WATER SAMPLE COLLECTION AND ANALYSIS 7 <br />' <br /> 37 TEMPORARY OBSERVATION WELL INSTALLATION 8 <br /> 38 GROUND WATER EXTRACTION FEASIBILITY TESTING 8 <br /> 3 9 REPORT PREPARATION 8 <br />' 40 FIELD PROCEDURES . .. . ... . . .. 8 <br /> 41 CPT ADVANCEMENT AND GROUND WATER COLLECTION 9 <br /> • 4 1 1 Ground Water Sample Collection 9 <br /> 4 1 2 Boring Abandonment 9 <br /> 42 WELL DRILLING AND SOIL SAMPLE COLLECTION 10 <br /> 43 WELL INSTALLATION 10 <br /> 44 WELL DEVELOPMENT AND SURVEY 11 <br /> 45 EQUIPMENT DECONTAMINATION 11 <br /> 46 TEMPORARY OBSERVATION WELL INSTALLATION 11 <br /> 47 GROUND WATER EXTRACTION FEASIBILITY TESTS 12 <br /> 48 GROUND WATER SAMPLING 13 <br /> 49 PURGED WATER DISPOSAL 13 <br />' FIGURES <br /> FIGURE 1 -Location Map <br /> FIGURE 2 -Site Plan <br /> FIGURE 3 -Ground Water Isoconcentrations- TPH-g <br /> FIGURE 4 -Ground Water Isoconcentratrons-Benzene <br /> FIGURE 5 - Ground Water Isoconcentrations- 1,2-DCA <br /> FIGURE 6- Geologic Cross Section A-A' <br /> FIGURE 7 - Geologic Cross Section B-B' <br /> FIGURE 8 -Shallow Monitoring Well Design <br /> FIGURE 9 -Deep Monitoring Well Design <br /> FIGURE 10- Ground Water Extraction Well Design <br /> IAdvanced GeoEnvironmental,Inc <br /> I <br />