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ILEI-P88--0810 <br /> March 20, 1989 <br /> Page 2 <br /> pISCUSSION <br /> Soil sample analyses from the 12 holes show TPH as gasoline <br /> ranging from non-detectable to 170 ppm, and BTX&E ranging from <br /> non-detectable to 0.81 ppm. Samples from the 12 holes showed TPH <br /> as diesel ranging from non-detectable to 3, 600 ppm (Site Plan- <br /> Figure 2) . The results of the analyses are summarized in Table <br /> 1. <br /> LIMITATIONS <br /> Soil deposits and rock formations may vary in thickness, lithol- <br /> ogy, saturation, strength and other properties across any site. <br /> Our studies assume that the . field and laboratory data are <br /> reasonably representative of the site as a whole, and assume that <br /> subsurface conditions are reasonably conducive to i_Iterpolation <br /> and extrapolation. <br /> The results of this survey are based on the data obtained from <br /> the field and laboratory investigations. We have analyzed this <br /> data using what we believe to be currently applicable engineering <br /> w techniques and principles in the Northern California region. We <br /> make no warranty, either expressed or implied, except that our <br /> services have been performed in accordance with generally <br /> accepted professional principles and practices existing for such <br /> work. <br />