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PHASE II ENVIRONMENTAL SOIL SAMPLING <br /> AT&T MICROWAVE RELAY FACILITY <br /> 90 WEST TURNER ROAD,SACRAMENTO,CALIFORNIA <br /> CONFIDENTIAL AND PRIVILEGED <br /> Table 3—Groundwater Laboratory Analytical Results for 90 West Turner Road, <br />' Lodi, CA, collected August 24, 1999 <br /> Water TPH-D TPH-G Benzene Toluene Ethyl- Total MTBE <br /> Sample (ppb) (ppb) (ppb) (ppb) benzene Xylenes (ppb) <br /> (ppb) (ppb) <br /> B2-Water 150 ND ND ND ND 12 ND <br /> B3-Water 58 ND ND ND ND ND ND <br /> B4-Water ND ND ND ND ND ND ND <br />' BS-Water 97 ND ND ND ND ND ND <br /> B6-Water ND ND ND ND ND ND ND <br /> B7-Water ND ND ND ND ND ND ND <br /> B8-Water ND ND ND ND ND ND ND <br />' B9-Water ND ND ND ND ND ND ND <br /> Pump ND ND ND ND ND ND ND <br />' Water 1 <br /> Laboratory 50 50 0 5 05 05 05 05 <br /> Reporting <br /> Limits <br /> t9lI. mterogams per liter <br /> ND Not detected at or above the indicated laboratory reporting limit <br /> Interpretation ojAnalytical Results <br />' The analytical results indicated that TPH-D was reported at a maximum concentration of 3,600 parts per million <br /> (ppm) in soil sample B 10-3 This sample was collected at a depth of 12 feet bgs adjacent to the east side of the former <br /> UST location The sampler appeared to have been stopped on the concrete slab that underlay the former UST <br />' Detectable levels of ethylbenzene and total xylenes were also reported in sample B 10-3 at concentrations of 0 17 ppm <br /> and 0 17 ppm, respectively TPH-D was also reported in soil samples B1-3 and B1-5 at concentrations of 2,500 ppm <br /> and 490 ppm, respectively Boring BI was drilled adjacent to the southwest corner of the former UST TPH-D, <br /> BTEX, and MTBE were not detected in the other soil samples analyzed <br /> The analytical results indicated that TPH-D was reported in groundwater samples B2-Water, B3-Water, and B5-Water <br /> at concentrations of 150 parts per billion (ppb), 58 ppb, and 97 ppb, respectively Sample B2-Water was collected 10 <br /> feet south of the former UST location, sample B3-Water was collected 30 feet south of the former UST location, and <br /> sample BS Water was collected 20 feet east of the former UST location Total xylenes were reported at a <br />' concentration of 12 ppb in conjunction with the elevated TPH-D concentration in groundwater sample B2-Water <br /> TPH-D, BTEX,and MTBE were not detected to the other groundwater samples analyzed <br /> Field indications of soil contamination in bonngs B 1 and B 10 correlated well with laboratory analytical results <br /> 7 <br />