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L7' 9 <br /> 1 <br /> Coca-Cola Enterprises - West <br /> Job No. 90054 <br /> 5.0 ANALYTICAL CHEMISTRY RESULTS <br /> Analytical chemistry results are summarized on Tables 4 and 5. Certificates of analysis are <br /> presented in Appendix F. <br /> ,Y. <br /> 5.1 SOIL ANALYTICAL TEST RESULTS <br /> The analytical chemistry results for soil samples collected during the field assessment are <br /> summarized in Table 4 and are illustrated on Figures 5, 6, 7 and 8. The soil analytical results <br /> ^' for TPH, gasoline, and diesel and for Iead are reported in mg/kg (milligrams per kilogram) <br /> which is equivalent to parts per million (ppm). Soil analytical results for BTEX and for PNAs <br /> _. are reported in ug/kg (micrograms per kilogram) which is equivalent to parts per billion (ppb). <br /> Total petroleum hydrocarbon CTPH) concentrations as gasoiine.in the soil ranged from non- <br /> detect in borings B-2, B-4 and B-6 through B-13 to 8,900 ppm in boring B-5 The TPH gasoline <br /> appeared to be centered around the former gasoline tank area as defined by borings B-1, B-3 <br /> E" and M. Significant TPH concentrations appeared to be limited to the upper 25 feet of soil. <br /> Below a'depth of 25 feet the only TPH gasoline concentrations above laboratory detection limits <br /> -, were in P-3 at 40 feet; B-3 at 55 feet, and B-13 at 70 feet, which were reported as 1.2 ppm,2.5 <br /> ppm;and 1.1 ppm, respectively. <br /> S <br /> Les <br /> Total petroleum hydrocarbon concentrations as diesel were also found to be present at the site. <br /> Diesel TPH concentrations ranged from non-detect to 20,000 ppm in boring B-5.' The diesel <br /> TPH concentrations follow a pattern similar to the gasoline TPH concentrations with the highest <br /> concentrations in the upper 25 feet. Analytical results above 100 ppm were detected in soil <br /> y samples collected in borings B-1 (260 ppm at 10 feet, 1,100 ppm at 15 feet), 13-3 (610 ppm at 5 <br /> feet) and B-5 (20,000 ppm a20 feet}. All other values reported were below 100 ppm TPH <br /> diesel in soil. <br /> PNA'concentrations also follow the TPH pattern with all concentrations reported at'below: <br /> laboratory detection limits e!S t boring B-1 at 10 and 15 feet,boring B3 at 5 feet, and boring <br /> 12 <br />