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Q <br /> Limited Phase 11 Subsurface Investigation Report <br /> 902-908 East Scotts Avenue <br /> Stockton,California a ntea g ro u p <br /> Antea Group Project No. UPR82572A <br /> Table of Contents <br /> 1.0 INTRODUCTION........................................................................................................................................................... 1 <br /> 2.0 SITE BACKGROUND...................................................................................................................................................... 1 <br /> 2.1 Site Description....................................................................................................................................................... 1 <br /> 2.2 Previous Environmental Activities.......................................................................................................................... 2 <br /> 2.3 Limited Phase II Soil Sampling Scope...................................................................................................................... 2 <br /> 2.4 Physical Setting.......................................................................................................................................................3 <br /> 3.0 LIMITED SUBSURFACE SOIL INVESTIGATION............................................................................................................... 3 <br /> 3.1 Pre-field Activities...................................................................................................................................................3 <br /> 3.1.1 Site Reconnaissance...........................................................................................................................................4 <br /> 3.1.2 GPR Survey.........................................................................................................................................................4 <br /> 3.1.3 Utility Locate.......................................................................................................................................................4 <br /> 3.2 Soil Boring Installation and Sampling......................................................................................................................4 <br /> 3.2.1 Soil Boring Installation........................................................................................................................................4 <br /> 3.2.2 Soil Screening.....................................................................................................................................................5 <br /> 3.2.3 Soil Sample Collection ........................................................................................................................................5 <br /> 3.2.4 Soil Boring Destruction.......................................................................................................................................6 <br /> 3.2.5 Waste Disposal...................................................................................................................................................6 <br /> 3.3 Soil Sample Analytical Results and Discussion........................................................................................................ 6 <br /> 3.3.1 Volatile Organic Compounds(VOCs).................................................................................................................. 7 <br /> 3.3.2 Polynuclear Aromatic Hydrocarbons(PAHs)...................................................................................................... 7 <br /> 3.3.3 Total Metals........................................................................................................................................................7 <br /> 3.3.4 Gasoline Range Organics(GRO), Diesel Range Organics(DRO), and Motor Oil Range Organics(MORO).........8 <br /> 3.3.5 Polychlorinated Biphenyls(PCBs)....................................................................................................................... 8 <br /> 3.3.6 Pesticides............................................................................................................................................................9 <br /> 3.4 Quality Assurance/Quality Control (QA/QC)......................................................................................................... 9 <br /> 4.0 CONCLUSIONS AND RECOMMENDATIONS................................................................................................................. 9 <br /> 5.0 LIMITATIONS............................................................................................................................................................. 12 <br /> 6.0 REFERENCES.............................................................................................................................................................. 13 <br /> Figures <br /> Figure 1 Site Location Map <br /> Figure 2 Site Plan <br /> Figure 3 Soil Boring Location Map <br /> Tables <br /> Table 1 Summary of Soil Analytical Data-VOCs <br /> Table 2 Summary of Soil Analytical Data- PAHs <br /> Table 3 Summary of Soil Analytical Data- Metals <br /> i www.anteagroup.com <br />