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TABLE OF CONTENTS (cont.) <br /> Page <br /> 7.2.4. Feasibility . . . . . . . . . . . . . . . . . . . . .. . . . . .. . . . . 16 <br /> 7.2.5. Duration . . . . . . . . . . . . . . . . . . . . . . . . . . ... .. . . . . . . . . . . . . . . . .. . . . . . . . . .16 <br /> 7.2.6. Cost . . . . . . . . . . . . 16 <br /> 7.3. IN-SITUBIOREMED"I'A'T­10­N'/'B'I'0'E'N-H*A.' N' 'C'E-M'EN' 'T' . . . 17 <br /> 7.3.1. Nutrient Requirements and Toxicity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17- <br /> 7.3.2. Monitoring Activities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 <br /> 7.3.3. Feasibility Studies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 <br /> 7.3.4. Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . 18 <br /> 7.3.5. Cost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . 18 <br /> 7.4. MONITORED NATURAL ATTENUATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19 <br /> 8.0. RECOMMENDATIONS . . . . . ... . . . ... . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . 19 <br /> 8.1. REMEDIATION OF HYDROCARBON-IMPACTED SOIL. . . . . . . . . . . . . . _ _ 20 <br /> 8.2. REMEDIATION OF HYDROCARBON-IMPACTED GROUND WATER . . . . . . . . 20 <br /> 9.0. LIMITATIONS . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . ... . . . . . . . * . . . . . . . .. . . . . . . . . . . . . . 20 <br /> FIGURES <br /> Figure I —Location Map <br /> Figure 2—Site Plan <br /> Figure 3A - Geologic Cross Section:A-A' <br /> Figure 313- TPH-g Concentrations in Soil-Section A.-A' <br /> Figure 4A- Geologic Cross Section:B-B' <br /> Figure 4B.- TPH-g Concentrations in Soil-Section B-8' <br /> Figure 5 Lateral Distribution of TPH-g in Soil <br /> Figure 6 Approximate Distribution of Dissolved TPH-g <br /> Figure 7 Ground Water Elevation Map <br /> Figure 8 Monitored Natural Attenuation - TPH-g in Ground Water <br /> Figur6 9—Monitored Natural Attenuation -Ethylbenzene and Xylenes <br /> TABLES <br /> Table I - Well Receptor Survey <br /> Table 2 -Analytical Results of Soil Samples <br /> Table 3 -Analytical Results of Ground Water Samples <br /> Table 4 - Corrective Action Alternatives <br /> APPENDICES <br /> Appendix A - San Joaquin County Environmental Health Department Letter <br />' �iau�.._ �-' Mtn.ra�t/J' '- ' <br /> Advanced GeoEnvironmen(al,Inc, <br />