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the north end of the south tank and was analyzed to contain 1120 mg/Kg of TPH. All other samples <br /> had non-detect level (NDS I) results. <br /> Samples PBI @ 25'and PB2 @ 25' produced an unusual odor during extraction and were analyzed <br /> for diesel, kerosene, dielectric and motor oil. The results were non-detect on all elements. <br /> Sample PB 1 @ 20' was the only sample that was tested by EPA Method # 6010 for TTLC Lead. <br /> Results of analysis was 23 mg/kg. <br /> Conclusions <br /> The samples from under the north and center underground tanks do not indicate any gasoline <br /> contamination. The soil samples from under the south tank show aged gasoline contamination. <br /> PIease address any questions to: Ery Rifenburg, Foothill Engineering, phone 209/368-9381. <br /> Respectfully submitted, <br /> Foothill En ' e Qaof g�sloy <br /> 197F z, <br /> Ery Rifenburg PE Exp. <br /> cc: Thorpe 4i C IV- <br /> cc: Ms. Wasserman <br />