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TABLE 3 (cont.) <br />' ANALYTICAL RESULTS OF SOIL SAMPLES <br /> Top Filling Station <br /> 101 S. Wilson Way, Stockton, California <br />' January 9 and 10, 1995 <br /> (mg/kg) <br /> Sample Lead TPH as Benzene Toluene Ethyl- Xylene <br />' ID Gasoline benzene <br /> B6-50 761 N140 0 071 0 031 0 005 0 021 <br />' B6-65 - ND ND/4,J ND�a° 0 021 N&�� 0 030 <br /> MW1-40 ND ND40 0 005 ND-At( NDS,n` NDZ O( <br /> MW1-50 ND NDO 0037 0015 N17jdx' ND 4---"I <br /> MW2-35 ND NDAJ0 0 260 NDS- 0 020 " 0 064 <br /> MW2-40 ND NDGt2 NIS� ND4cd- NDL""" NDI:fP,df <br /> MW2-50 ND ND=f a 0 070 0 038 ND`4"'- 0 014 <br /> MW3-35 5 02 ND'- ND" NDS' ' ND" ND`s"` <br /> MW3-45 ND ND&P Nd-o"" N6' ND"" ND`"Q"O1 <br /> MW3-50 ND 1 6 , N&-° ND" 0 022 0 083 <br />' MW3-65 ND ND�4`o 1 0 054 0 019 0 006 0 024 <br /> ND = None Detected <br /> NA = Not Analyzed <br /> I <br /> 5.0 CONCLUSIONS & RECOMMENDATIONS <br /> 5.1 Hydrocarbon Impacted Soil <br /> Concentrations of petroleum hydrocarbons were greatest In soil samples from borings B-2 <br /> and B-4, both borings were drilled near the centers of the foriner UST excavations TPH <br /> as gasoline was detected at a depth of 65 feat in B4, indicating that unpacted soil extends <br /> to groundwater However, only relatively low levels of BTE&X were detected in soil samples <br /> from boring B6 and MW-3 at similar depths <br /> Low concentrations of petroleum hydrocarbons were detected in soil samples from various <br /> depths in the soil borings drilled at the site The extent of hydrocarbon impacted soil has <br /> not been determined Additional soil borings will be needed to completely assess the vertical <br /> and lateral extent of the soil contamination. <br /> Ck"&-1 Ada Sena:.,1.. <br /> Top Wwa8 PIB LGWJ..1993 <br />