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3.0 DATA PRESENTATION <br /> 3.1 GEOCHEMISTRY <br /> The samples collected as a result of this investigation were submitted to Caltest Analytical <br /> Laboratory for analysis by EPA Test Method 8270 for Total Petroleum Hydrocarbons - <br /> Diesel (TPH-D), and EPA Test Method 8260 for BTEX. The analytical results are <br /> summarized below in Table 1. <br /> Table 1 - TPH-D and BETX Results <br /> Sample Analysis Results in mg/kg <br /> Sample ID TPH-D BETX <br /> SAC-1 thru SAC-3 180 ND <br /> Composite (RL = 15) (RL = 0.005) <br /> SAC-4 ND ND <br /> (RL = 2.5) (RL = 0.0025) <br /> SAC-5 ND ND <br /> (RL = 2.5) (RL = 0.0025) <br /> Notes: ND = Not Detected <br /> RL = Reporting Limit <br /> Stockton ASR UST <br /> Removal/Closure Report 5 June 24, 1994 <br />