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PROBLEM ASSESSMENT REPORT <br /> Moreland Court Shell <br /> 7700 Moreland Court,Stockton, California <br /> Delta Project No 40-8&146 <br /> Page 7 <br /> TABLE 4 <br /> Chernica! Analysis of Soil Sample From <br /> the P-educt Line Trenches (ppm) <br /> Sample <br /> Sample Date Depth Ethyl- Organic <br /> Identification Collected LEMq Benzene Toluene benzene Xylenes TPH EDB Lead <br /> PL-1 01/03/89 4 <0 001 <0 001 <0001 <0001 <10 0 <0 001 <005 <br /> PL-2 01/03/89 4 <0 001 <0 001 <0 001 <0001 <10 0 <0 001 <005 <br /> PL-3 01/03/89 4 <0 001 <0 001 <0 001 <0001 <10 0 <0 001 <005 <br /> PL-4 01J03/89 4 <0 001 <0 001 <0001 <0001 <10 0 <0.001 <005 <br /> PL-5 011033/89 4 <0250 42.2 30.0 146.0 1,130$ <0.001 <005 <br /> PL-6 01/033/89 4 0 680 388 114 41 1170 <0 0025 <005 <br /> 3Identified asg asoline <br /> The chemical analyses for the product line trench soil samples PL-1 through PI-4 were below the detection <br /> limits for BTEX and TPH The concentrations of TPH for soil samples PL-5 and PL-6 were 1,130 and 117 <br /> ppm, respectively Concentrations of BTEX in soil sample PL-5 were <0 250, 42 2, 30 0, and 146 0 ppm, <br /> respectively Concentrations of BTEX in soil sample PL-6 were 0 680, 3 88, 114, and 41 ppm, respectively <br /> Organic lead and EDB chemical results were below detection limits for each soil sample submitted from the <br /> product line trench <br /> 2.4 Phase I Hydrogeol2gic Investigation Results <br /> Two soil bonngs (SB-7 and SB-8) were advanced at the site on August 8, 1989 The borings were located <br /> in areas where petroleum constituents had been detected in soil samples collected during excavation and <br /> removal of the former tanks and associated product lines. Table 5 presents analytical data from the soil <br /> boring samples collected. Laboratory analytical data sheets are presented in Appendix F Soli boring logs <br /> for soil bonngs SB-7 and SB-8 are provided in Appendix D <br />