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Supplemental Preliminary Site Investigation for State Route 99/Hammer Lane Project No. H2O2 <br /> to Mark Thomas & Co., Inc. November 17, 1999 <br /> TABLE 1 (continued) <br /> AUTO FACTORY SITE (FORMER TEXACO STATION) continued <br /> Matrix: Soil; Units: mg/kg <br /> Client Sample I.D. EGC-3-1 EGC-3-2 EGC-3-3 EGC-34 EGC-3-5 <br /> Depth (Feet) 6.0 - 6.5 11.0- 11.5 16.0 - 16.5 21.0 - 21.5 26.0 - 26.5 <br /> ANALYTE R/L* Results R/L* Results R/L* Results R/L* Results R/L* Results <br /> Benzene 0.005 ND** 0.005 ND** 1.25 ND** 1.0 ND** 0.005 ND** <br /> Toluene 0.005 ND** 0.005 ND** 1.25 25.6 1.0 19.7 0.005 ND** <br /> Ethylbenzene 0.005 ND** 0.005 ND** 1.25 41.2 1.0 32.5 0.005 0.0084 <br /> Total Xylenes 0.005 ND** 0.005 ND** 1.25 239 1.0 173 0.005 0.0249 <br /> TPH as Gasoline 1.0 ND** 1.0 ND** 250 2390 1 200 1690 1.0 4.24 <br /> TPH as Diesel 10.0 79.3 1.0 1.70 20.0 573 10.0 1 109 1 1.0 1.92 <br /> 11 <br /> * R/L = Reporting Limit <br /> ** ND = Not detected. Compound(s) may be present at concentrations below- a reporting limit. <br /> TABLE 1 (continued) 40 cllYt�I"`x(�6,wy <br /> AUTO FACTORY SITE (FORMER TEXACO STATION) continued <br /> Matrix: Water; Units: ug/ <br /> Client Sample I.D. EGC-2 <br /> Depth (Feet) 59.0 - 63.0 <br /> ANALYTE R/L* esults <br /> Benzene 0.50 ND** <br /> Toluene 0.50 ND** <br /> Ethylbenzene 0.50 ND** <br /> Total Xylenes 0.50 ND** <br /> TPH as Gasoline 50.0 ND** <br /> TPH as Diesel 0.05 0.173y I�, <br /> * R/L = Reporting Limit <br /> ** ND = Not detected. Compound(s) may be present at concentrations below the reporting limit. <br /> 4 <br /> `� ESWA A GEOTECHNICAL CONSULTING <br />