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a <br />). H. KLEINFELDER & ASSOC*TES <br />File No. W-2008-1 <br />November 14, 1985 <br />Page 4 <br />Water Labs under chain -of -custody. <br />E. Analytical Results. <br />The soil samples collected from the boring at •35 and 40 feet and the <br />water sample were analyzed by California Water Labs for semi -volatile <br />hydrocarbons using EPA Method 602. Total hydrocarbon and total lead <br />analyses were also performed. The analytical results of the soil and water <br />samples are presented in the Appendix. <br />VI. DISCUSSION <br />Gasoline and related constituents were detected in the soil and water samples <br />taken beneath the site of the removed fuel storage tanks. In addition, the soil <br />observed by our geologist in the field possessed a noticeable gasoline odor and a <br />recordable amount of volatile hydrocarbons using the PID. Further investigations would <br />be necessary in order to assess the extent of the chemicals in the local soil and <br />ground water. <br />VII. LIMITATIONS <br />This report was prepared in accordance with the generally accepted standard of <br />practice which exists in Northern California at the time the report was written. It <br />should be recognized that definition and evaluation of geologic conditions is a difficult <br />and inexact art. Judgements leading to conclusions and recommendations are generally <br />made with an incomplete knowledge of the subsurface conditions present. More <br />extensive studies, including additional subsurface investigations can tend to reduce the <br />inherent uncertainties associated with subsurface modeling. If the client wishes to <br />reduce the uncertainty beyond the level associated with this study, Kleinfelder & <br />Associates should be notified for additional consultation. <br />�J <br />