ARCHIVED REPORTS XR0003365 - Laserfiche WebLink

Home Browse Search

Historical Groundwater Monitoring and Analytical Data 7 Eleven Store 914117 2725 Country Club Boulevard Stockton CA well IDI Ethyl- MtBE 1,2- Meth- Eth- Ace- Dissolved Elevation Date Benzene Toluene Benzene Xylene TPHg 8020 MtSE TBA DiPE ELBE TAME DCA EDB anal anal tone Notes Oxygen DTIN SPT[WTE TOC L L L fL L L IL fL L fL L L fL m L #eel feetfeet Explartahon TPHg=Total petroleum hydrocarbons-a"asoline TAME:=Tert amyl-methyl ether TOC=Top of casing elevation in feet above mean sea level MtBE=Methyl-ted butyl ether 12 DCA=1 2-0rchloroethane pg/L=micrograms per liter TBA=Tert Butanol EDB=1 2-drbromoeftrie mg/L=milligrams per liter DIPE=Drrsopnopyl eater DTW=Depth to water —=Not sampledlnot measured ELBE=Ethyl-tert butyl ether SPT=Separate phase hydrocarbon thickness WTE=Water table elevation Notes Historical data prior to 43/171013 sample date provided by Shaw E&I BTEX TPHg and MtBE analyzed using EPA Method 8020/8015 Modified Samples analyzed by EPA Method 8260B starting with 03/17/03 sample date a=Method Blank Contamination The associated method blank contains the target anayte at a reportable level b=Matrix Spike/Mabix Spike Duplicate for the analytes Benzene MtBE was affected by the analyte concentrations already present in the un-spiked sample t=The Method Reporting Limit tar Acetone has been increased due to the presence of an interfering compound d=Matrix Spike/Matnx Spike Duplicate Results for the analyte MtBE were afieded by the analyte concentrations already present in the un-spiked sample a=Hydrocarbons reported as TPHg do not exhibit a typical Gasoline chromatographic pattern If=Matrix S ike/Mahw Spike Duplicate Results for the analyte Benzene were afieded by the anatyto concentrations already present in the un-spiked sample I 117-Eleven%7 11 Stores41411 ATablesk14117 Current Groundwater xlsHrstoricaf Water Page 7 of 7