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1) � <br /> Cone Penetrometer Assessment Report 7 <br /> Ranch Market 23569 South Santa Fe Road,Riverbank Califorma November 20,2001 <br /> access to the well was not performed SECOR accessed domestic well DW-4 and discovered <br /> that access to the well casing interior could not be conducted due to the casing construction <br /> Water Sample Anal_ytical_Results <br /> BTEX, TPHg, five oxygenates, and fuel additives 1,2-DCA and EDB were not detected above <br /> the laboratory reporting limits in the two water samples CPT-1@40' and CPT2@35' (Figure 7) <br /> Sample CPT-3@35' contained 0 65 micrograms per liter(uglL) toluene Laboratory analytical <br /> results and chain-of-custody documentation are presented in Attachment 6 <br /> Conclusions <br /> Per the directive of the RWQCB, SECOR oversaw the installation of three CPT borings to <br /> further define the lithology between the former underground storage tank (UST) pit and DW-3 <br /> and DW-4, and east of the site across South Santa Fe Road Based on analytical results of <br /> water sample collected from the three CPT borings, vertical distribution of gasoline range <br /> petroleum hydrocarbons dissolved in groundwater between the former UST pit and DW-3 and <br /> DW-4, and east of the site across South Santa Fe Road, has been defined <br /> • <br /> File Ranch Market\ReportslRb-CPT install <br />