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r <br /> PRI LTMiNARY 1fy17RdGFdi.UGisr A55E.5smg REPORT <br /> 14870 West Frontage Road <br /> Manteca,California <br /> Delta Project No.4OM-479 <br /> page 3 <br /> TABLF. 1 <br /> Soil Chemistry Results (ETS) <br /> Depth <br /> Location (feet Benzene 'Toluene Ehylbcnzene <br /> tEDC ED-9 ]enes TPI'H <br /> F.. MW 1 5 NF NF NF NF NF NF <1.0 <br /> .- <br /> w, 10 NF 0.004 NF NF NF NF <0.1 <br /> 15 0.057 0.071 0.014 0.002 0.003 0.52 10.0 <br /> z 20 NF 0.12 0.09 NF NF 0.63 8.0 <br /> i...: <br /> 25 0,26 0.024 0.048 0.010 NF 0.12 2.7 <br /> 0.019 0.024 NF 0.004 NF 0-W5 0.5 <br /> # 30 <br /> MW-2 5 0.008 0.023 0.005 NF NF 0.040 0.3 <br /> i. 10 0.003 0.024 NF NF NF 0.007 0.6 <br /> 1.: 15 .0.23 0.53 0.27 0.01 NF 1.7 46.0 <br /> 20 0.06 0.37 0.31 NF NF 1.9 88.0 <br /> 25 0,13 0.13 NF NF NF 0.06 1.0 <br /> t:.3 <br /> l : 30 NF 0.045 NF NF NF NF 0.6 <br /> NOTES: <br /> 1-' All results are listed in parts per million (ppm). <br /> Data provided by ETS- <br /> f NF = Not Found. <br /> 1 <br /> 13.2 Monitarin Wells <br /> Monitoring wells were installed in both soil borings. The monitoring wells were constructed of 2 inch- <br /> diameter Schedule 40 PVC blank casing and 2-inch-diameter, Schedule 40 PVC well screen with 0.020- <br /> i'ch slots. Well construction diagrams for both wells are presented in Appendix B. Both monitoring wells <br /> developed by-.;emoving_water and sediment from the well screen by purging with nitrogen gas.- <br /> _. _.......- -- - ... f-.-_ <br /> _ �a <br />