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Report of Soil Investigation <br /> 1755 East Yosemite Avenue BSK lob 01-40-0433 <br /> Manteca, California May 8, 1998 <br /> Pae 2 <br /> • Submitted two soil samples for chemical analysis of Total Petroleum <br /> Hydrocarbons as referenced to gasoline (TPHg) and benzene, toluene, <br /> ethylbenzene and xylenes (BTEX). The soil samples <br /> Analytical Laboratories in Fresno (ELA Certification #1180) for chemical <br /> K <br /> analyses. <br /> • Submittal of this letter report presenting our observations and analytical results. <br /> f <br /> The soil boring was completed using hand auger methods. Soil samples were collected in <br /> stainless steel sample tubes by driving a core sampler in advance of the auger. The enols of the <br /> tubes were covered with Teflon film , capped and labeled. The samples were placed into an ice <br /> chest cooled with ice. Soil samples obtained for chemical analyses were accompanied to the <br /> analytical laboratory by a chain-of-custody form (COC). <br /> Between soil sampling attempts, the sampler was washed in a solution of laboratory-grade <br /> detergent, rinsed with clean water, and reassembled with clean sample liners to minimize the <br /> potential for spreading contaminants among samples. <br /> The drilling conducted to a depth of 15 feet below ground surface (bgs) indicated the absence of <br /> a UST at this location. The UST backfill was observed to a depth of three <br /> soils beneath the fill consisted of fine to medium grained sand (see Figure 3)e Ag ord ng to Mr.e <br /> Infurna, the soils encountered in this hand auger boring are similar to native soils he has observed <br /> I ; in a site across the street. Petroleum hydrocarbon odors and soil <br /> the soil cuttings during hand augering. The results of the analyticaltesting reported "None observedining were not �n <br /> Detected" for the constituents tested. <br /> Based on our field observations and the analytical results of the soil samples it does not appear <br /> that petroleum hydrocarbons are present at this location t a depth of at least 15 feet bgs. Also, <br /> -i based on the results of the analytical tests, <br /> Yt the soil cutting stored in the 5-gallon plastic <br /> containers may be disposed without any special handling. <br /> i <br /> This report has been prepared for the exclusive use of CuHughes Dodge for the specific project <br /> described herein. The report has been prepared in accordice with generally accepted <br /> environmental engineering practices in California. No other warranties, either expressed or <br /> implied, are made as to the professional advice provided u rider the terms of our agreement with <br /> Curt Hughes Dodge. <br /> Our services were performed solely for the purpose of evaluating environmental conditions of <br /> soil with respect to the presence of petroleum hydrocarbons at the locations sampled. No soil <br /> engineering or geotechnical implications are stated or should be inferred. Evaluation of the <br /> conditions at the site for the purpose of this investigation is made from a limited number of <br /> observation points_ <br /> fs1:�7 <br />