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SOIL MANAGEMENT PLAN FOR TANK REPLACEMENT <br /> 620 West Charter Way, Stockton, California <br /> Delta Project No 40.88-586 <br /> I Page 4 <br /> Ground water was encountered only in soil boring SB-1 at a depth of apprommately 29 feet below ground <br /> surface Water samples were not collected from this soil boring <br />' 2 2 Soil Sample Analytical Results <br /> Soil samples collected by Delta during the drilling of soil borings were analyzed for TPH and BTEX Two <br />' soil samples were analyzed for total lead The results of these analyses are presented in Table 1 <br /> TABLE 1 <br /> 1 <br /> Soil Sample Analytical Results <br />' Concentrations in parts per million (ppm) <br />' Sample Ethyl- TPH Total <br /> No Depth' Benzene Toluene benzene Xylenes (Gasol!nel Leadb <br /> SB1-5 25 0 003 0 028 0 016 0110 <10 2 7 <br /> SBI-6 30 0 002 0 028 0 009 0 042 <10 - <br /> SB2-3 15 0 245 0 897 0 471 4 330 189 "� <br /> SB2-5 25 457 462 168 98 6 767 c <br />' SB3-3 15 0 028 0 008 0 007 0 036 <10 --c <br /> SB3-5 25 1030 5140 15 80 1050 609 <br /> SB4-4 20 0440 1360 0 540 5 770 66 --� <br />' SB4-5 25 237 157 4 0 362 122 --c <br /> SB5-3 15 0 032 0 045 0 022 0136 <10 --c <br /> tSB6-3 15 <0001 <0001 0 002 0 003 <10 --c <br />' SB7-3 15 0 027 0 007 0 010 0 032 <10 --c <br /> SB8-3 15 <0 001 <0001 0 002 0 005 <10 3 2 <br /> aDepths presented in feet below grade P _ �q <br /> bTotal lead concentrations in mg/kg (equivalent to ppm) <br /> cNot analyzed for this constituent 'a 4- <br />