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1 <br /> '4 <br /> TAN[ UDSM NEPDAT <br /> 2320 North El Dorado Street, <br /> Stockton, CaHfOmis <br /> Aegis Project No. 99-049 s <br /> Page 13 <br /> 1 Detectable levels of TBH and lead ware found in three soil samples <br /> (SS-61 SS-71, SS-8) collected in the vicinity of the product dispensing <br /> island and product lines nearest the station building (Figura 3) . <br /> These areas were over-excavated as a means of remediation and <br /> resampled to determine the effectiveness of excavation. The soil <br /> 6-� sample series "SL" repWesents samples obtained after over-excavation <br /> was performed (Figure 5) . These samples were analyzed for low- to <br /> y. medium-boiling point petroleum hydrocarbons, BTEX, lead and EDS. The <br /> y <br /> laboratorianalytieal results are summarized in Table 5. <br /> --------- I---------------------------------------------------------- <br /> i <br /> __-___- <br /> I <br /> ___ -a------ s C -- s - -- <br /> Table m <br /> SOIL SAMPLE ANALYTICAL RESULTS/PRODUCT LINE TRENCHES <br /> Results reported 9n Parts Per ai fon (PPMI <br /> e--c---vc�easa— - -moi vammamaa===o—exoc . <br /> sample TD �TPR(Gl EDH Ben2ena Toluene Ethyl Bele es <br /> nzene Xy <br /> SS-1 ND NA 0.059 ND ND 0.0058 <br /> SS-2 ND NA 0.0059 0.011 0.0087 0.04;: <br /> SS-3 ND NA , 0.0077 ND ND O.OJ98 <br /> «. <br /> SS-4 ND NA ND 0. 0057 0.0074 0.027 <br /> } SS-5 ND NA ND 0.0076 ND 0.0070 <br /> s SS-6 14.0 NA 0.060 0.030 0.040 0.10 <br /> 3, <br /> /J \\ SS-7 5.0 NA ND 0.011 0.025 0.061 <br /> ,;�,120O NA 04,86, 27..,0- 4'5 Q ti27O:`-0 <br /> b5� SS-9 ND NA ND ND ND ND <br /> p SS-10 ND NA ND ND ND ND <br /> L� l <br /> SS-11 ND NA 0.0062 0.0054 0.027 0.027 <br /> �SS-12 ND NA ND ND ND ND <br /> I <br />