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Phase 11 Environmental Site Assessment Work Plan <br /> Buena Vista Storm Drain,Stockton,CA <br /> February 7,2005 <br /> Page-3- <br /> 4.0 LABORATORY ANALYSES <br /> The groundwater samples collected from the borings will be analyzed for constituents identified by the <br /> City of Stockton as a requirement for discharge to the sanitary sewer system. The samples will be <br /> analyzed for benzene, toluene, ethyl benzene, total xylenes (BTEX), and selected gasoline <br /> oxygenates/additives by EPA Method 826013; for total petroleum hydrocarbons (TPH) by EPA Methods <br /> 1664 and 418.1; for cadmium, chromium, copper, lead, nickel, and zinc by EPA approved methods, and <br /> for pH. The gasoline oxygenates/additives include methyl tertiary-butyl ether (MTBE), tertiary-butanol <br /> (TBA), di-isopropyl ether (DIPE), ethyl tertiary-butyl ether (ETBE), and tertiary-amyl methyl ether <br /> (TAME). <br /> 5.0 REPORTING <br /> It will take approximately two weeks to receive the reports of laboratory analyses of the groundwater <br /> samples.A report can be prepared within two weeks of receipt of the laboratory reports. <br /> 6.0 PROJECT SCHEDULE <br /> The fieldwork is scheduled to begin on February 24, 2005, and should be completed by February 25,2005. <br /> If you need additional information or have any questions,please contact Lee Morse at(209) 388-9601. <br /> Respectfully submitted, <br /> CONDOR EARTH TECHNOLOGIES, INC. <br /> �. �0 GF � <br /> Lee H. Morse,R.G. ® Ronald L. Skaggs,P.E., G.E. <br /> Associate Geologist ( Geo 909SE �� Division Manager <br /> oe <br /> r <br /> P:W000_pdAO38 KSN-San Juan&FremontW038C KSN San Juan&Fremont Phase 1PWork Plan\Phase 11 Work Plan.doc <br /> 1 <br /> IL41 CONDOR <br />