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Table 1 - Analytical Results of Soil Samples <br /> Former Tosco(Unocal)Service Station No 5421 <br /> 7303 Pacific Avenue <br /> Stockton,California <br /> Sample Date Sample TPHg Benzene Toluene Ethyl- Xylenes MTBE MTBE TPHd 0&G VOCs SVOCs <br /> Location Collected Depth Benzene by 8020 by 8260 <br /> and ID (feet) (ppm) (ppm) ( m) ( m) (ppm) ( m) (ppm) (ppm) (ppb) (ppb) (ppm) <br /> Former UST Complex Excavation and Overexcavation <br /> UX-1-16 4/15198 16 ND ND ND ND ND ND ND' <br /> UX-2-15 5 4/15198 155 10,000 120 820 220 1,200 77 NDZ 8 -- -- -- -- <br /> UX-2-22 4/15198 22 16 032 083 036 19 ND8 ND' -- -- -- <br /> UX-2-25 4/16/98 25 15 041 14 036 2 1 ND8 ND' -- -- -- -- <br /> UX-3-16 4115198 16 ND ND 0 024 00074 0 045 ND ND' -- -- -- <br /> UX-4-17 4115/98 17 25,000 270 2,200 530 2,900 170 ND' -- -- -- -- <br /> UX-5-16 4/15198 16 63 0 023 032 Oil 067 0 051 ND' -- -- -- <br /> UX-6-16 4/15198 16 2 4 00065 0 054 0 019 0 11 ND ND' -- -- -- <br /> UX-7-26 4/21198 26 10 0 068 028 0 2 1 1 ND ND' -- -- -- -- <br /> UX-8-26 4/21/98 26 24 077 3 3 0 5 2 9 ND ND' -- -- -- -- <br /> Former Product Lines <br /> UT-1-4 4/15198 4 19, 0 099 0 047 ND 001 ND ND' -- -- -- <br /> UT-24 4115198 4 ND ND 0 010 ND ND 0 089 ND' -- -- -- -- <br /> UT-3-5 4115/98 5 13 0 029 0 050 00093 0 051 ND ND' -- -- -- <br /> UT-4-6 4/15/98 6 ND ND 00053 ND ND ND ND' -- -- -- <br /> Former Waste Oil UST Excavation <br /> UW-1-11 4/15198 11 ND ND ND ND ND ND ND' ND ND ND3 ND3 <br /> Former SandlWater Separator <br /> OWS-4 4/21198 4 ND ND 0 016 ND 0 023 ND -- ND ND ND3 ND3 <br /> Waste Oil UST Pit Stockpile <br /> UWS-1 {camp} 4116198 -- ND ND 00077 ND 0 021 ND -- 2 72 ND ND° ND3 <br /> For Explanation refer to page 3 <br /> 14,10 . 612198 <br />