ARCHIVED REPORTS XR0001813 - Laserfiche WebLink

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• • Table 1 Groundwater Elevation and Analytical Data ARCO Service Station #760 225 S Cherokee, Lodi CA Top of Casing Depth to Wafer Level Ethyl- Total Well Date PI Elevation Water Elevation TPH-g Benzene Toluene benzene Xylenes MTBE DO Number Sampled NP (feet msl) (feet bgs) (feet msl) 41g/L) (Vg/L) Org/L) (frg/L) Uig/L) WL) (mg/L) Comments TPI-Ig=Total petroleum hydrocarbons as gasoline(reported as GRO-gasoline range organics) MtBE=Methyl tert butyl ether DO=Dissolved oxygen ft=feet MSL=mean sea level bgs=below ground surface TOC=top of casing ,ugIL=micrograms per liter mg/L=milligrams per liter PINP=purged/not purged <=below given laboratory detection limit =not measured or analyzed Data Qualifier Definitions U=The analyte was analyzed for,but was not detected above the sample reporting limit J=The analyte was positively identified the associated numerical value is the approximate concentration of the analyte in the sample N=The analysis indicates the presence of an analyte for which there is presumptive evidence to make a tentative identification NJ=The analysis indicates the presence of an analyte that has been tentatively identified and the associated numerical value represents its approximate concentration UJ=The analyte was not detected above the reported sample reporting limit However,the reported reporting limit is approximate and mayor may not represent the actual limit of quantitation necessary to accurately and precisely measure the analyte in the sample R=The sample results are rejected due to serious deficiencies in the ability to analyze the sample (I e,the presence or absence of the analyte cannot be verified)or the analyte identification has been rejected(i e,the presence of the analyte cannot be verified) ND=Not detected above reported detection limit Page 2 of 2 Report Date December 5,2003