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rg <br /> October 13, 1389 AGS 87050-2 <br /> USA Station No. 65, Lodi, California <br /> 1� <br /> (i.e. , for tetraethyllead) using a methDd approved by the State <br /> of California Department. of Health services. One soil sample <br /> (from B-1) was selected for the organic lead and EDB analyses <br /> because no subjective evidence of hydrocarbon eont&nination that <br /> exceeded the background level was encountered in the three <br /> boreholes. Methods 8015 and 6020 use gas chromatography with <br /> photo- and flame-ionization deteaLion, method Polo uses <br /> extraction with hexane and analysis with an electron-capture <br /> detector, and total organic lead is detected using <br /> methylisobutylketone for extraction and flame-atomic absorbtion - <br /> for analysis. The results of soil .analyses are presented in <br /> ] y� Table 4 end in the laboratory.Rec.--:d of Analysis included in <br /> Appendix B. <br /> Water samples from wells_.MW-1 through MW-3 were analyzed for <br /> total volatile hydrocarbons (TVH) and BTEX by EPA method 602 <br /> using gas chromatography with photo- and flame-ionization <br /> detection. . In addition, wate <br /> % r from well MW-1 was analyzed for <br /> i <br /> ?. TFH (EPA .method 8015) , total organic. lead;: and EDB (EPA method . <br /> 601) . Tho.,results of the water analy <br /> 6 ses are presented in Table <br /> s, and the laboratory Rezords of Analysis are included in <br /> Appendix B of this report. <br /> a- <br /> T . <br /> r 16 <br /> AgolleCf G&OSyS d'.ol)s <br />