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Table 2 continued) <br /> Analytical Results in Soil loom 1988 Investigation <br /> San Joaquin County Human Services Agency Building <br /> Stockton, CA <br /> Sample Information Results esults in mg/kg unless noted otherwise <br /> Sample Total Soluble <br /> Soil Date Depth HNu Ethyl- TPH TPH Lead Lead <br /> Boring Sampled (ft bgs) (units) Benzene Toluene benzene Xylene (Extractable) (volatile) (mg/1) <br /> BH 12 12/12/88 5 0 1 ND(030) ND(030) ND(030) ND(030) NDOO) ND(i 2) ND(o 5) <br /> BH 12 12/12/88 20 0 ND(027) NDS 027) ND(M7) ND(027) ND(27) NDO 1) ND(0 s) <br /> MW1. 12/13/88 15 0 ND(029) ND(029) ND(029) ND(029) NDC181 NDct n ND(O 5) -- <br /> MW2* 12/13/88 15 2-15 -- -- -- -- -- -- -- -- <br /> MM2* 12/13/88 20 3-6 -- -- -- -- -- -- -- <br /> MW2* 12/13/88 25 6 <br /> MW2* 12/13/88 30 3+ -- -- -- -- -- __ <br /> MW2* 12/13/88 35 0 ND(030) ND(030) ND(030) ND(030) ND(30) ND(i 2) ND(()5)IL -- <br /> MW3 12/13/88 20 0 NDt 029) NDt 029) NDt 02g� NDS 029) ND 0) ND iy NDS s> -- <br /> HNu = Field screening results using a photmonization detector * = Field notes indicate potential odor and staining in sample <br /> ND = Not detected above the detection hmit indicated in parentheses Shading indicates sample areas that have been removed during subsequent excavation <br /> — = Not analyzed <br /> TPH = Total petroleum hydrocarbons <br /> L 1PRO1 TMSANfOQWCMA T112 6 <br />