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' TABLE 4 (continued) <br /> RESULTS OF TPH AND PAH ANALYSES <br /> ' BASELINE AND CONFIRMATION SAMPLES <br /> a See Figure 2 for approximate sample locations. <br /> b Total petroleum hydrocarbons(TPH)as diesel analyzed by EPA Method 8015 Modified. <br /> C Samples were submitted to a silica gel cleanup using EPA Method 3630 as modified by Friedman&Bruya, Inc., prior to TPH analysis. <br /> d Waste Extraction Text(WET)performed prior to analysis, using deionized water as the extractant. <br /> e WET polynuclear aromatic hydrocarbons(PAH)analyzed by EPA Method 8310. These results reflect the sum of PAH constituents. <br /> ' f Raised reporting limit due to high analyte levels. <br /> g Surrogate not detected because of required sample dilution. <br /> h Surrogate recovery outside of limits due to sample matrix interference. <br /> i Surrogate recovery is outside of control limits. <br /> Raised reporting limit due to matrix interference. <br /> k Average concentrations are calculated assuming non-detect occurrences are equal to one-half the reporting limit. <br /> mg/kg Milligrams per kilogram <br /> %g/L Micrograms per liter <br /> NA Not analyzed <br /> ' ND Not detected <br /> Dup Duplicate sample <br /> 1 < Results were below reporting limit noted. <br /> Note: Shaded rows designate baseline samples. <br /> tracy043.tb4/01-30-97/u/cwilli/tracy/reports/rpt043 4 <br /> TerraNext <br /> 1 <br />