Laserfiche WebLink
JI } <br /> • Summary of Gauging and Sampling Activities <br /> October 2003 through December 2003 <br /> Circle K Store 08671 <br /> 8606 Thornton Road <br /> Stockton, CA <br /> Site Information <br /> Site Circle K Store <br /> 8606 Thornton Road <br /> Stockton,CA <br /> Project Coordinator/Phone Number Edward Ralston/916-558-7633 <br /> Groundwater wells onsite 8 <br /> Groundwater wells offsite 2 <br /> Field Activity <br /> Sampling consultant TRC <br /> Date(s)sampled 11/14103, 12/10/03 <br /> Groundwater wells gauged 7 <br /> Groundwater wells sampled 10 <br /> Purging method submersible pump <br /> Treatment/disposal method during sampling event OnyxlRodeo Unit 100 <br /> Free product pumpouts other than sampling event No <br /> TreatmentlDisposal method during free product pumpouts NIA <br /> . Site Hydrogeology <br /> Minimum depth to groundwater(feet bgs) 3697 <br /> Maximum depth to groundwater(feet bgs) 3895 <br /> Average groundwater elevation((eet relative to mean sea level) -2496 <br /> Average change in groundwater elevations since previous event(feet) -203 <br /> Groundwater gradient and flow direction 0 01 ft/ft North <br /> Groundwater Condition(Benzene Ma)umum Contaminant Level[MCL]=1 0 pgll) <br /> Wells with benzene concentrations below MCL 10 <br /> Wells with benzene concentrations at or above MCL 0 <br /> Minimum benzene concentration(pg/1) ND <br /> Maximum benzene concentration(pgll) 0 69(MW-2) <br /> Minimum MTBE concentration(pg/1) ND <br /> Maximum MTBE concentration(pgll) 4300 <br /> Minimum TPPH concentration(pgll) ND <br /> Maximum TPPH concentration(Ng/1) 370(MW-2) <br /> Groundwater wells with free product 0 <br /> Minimum free product thickness(feet) 0 <br /> Maximum free product thickness(feet) 0 <br /> Additional Information <br /> MW-10=Sampled by SECOR,MW-8=Sampled by SECOR,MW-9=Sampled by SECOR, <br /> This report presents the results of groundwater monitoring and sampling activities performed by TRC Please contact the <br /> primary consultant for other specific information on this site <br />