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TABLES <br /> GROUNDWATER ANALYTICAL RESULTS <br /> Roberts Property <br /> Vernalis, California <br /> Concentrations reported in micrograms per liter(gg/l) <br /> PAHs <br /> Benzo(b,k) Benzo Dibenzo Indeno <br /> Date Ethyl- Acenaph- Acenaph- Anthra-1Benzo(a) Benzo(a} fluoran- (g,h,i} (a,h) Fiuoran- (1,2,3-cd) Naph- Phenan- <br /> Sample ID' Sampled TPHd TPHmo TPHg Benzene benzene Toluene Xylene MtBE thylene thene cene anthracene pyrene thene perylene Chrysene anthracene thene Fluorene pyrene thalene threne Pyrene <br /> MW2-8002-GW 7/28/982 230 <504 <100 <0.3 X0.5 <0.3 <0.6 <10 <10 X10 <10 <10 <10 <10 <10 <10 X10 <10 <10 <10 <10 <10 <10 <br /> 11/5/983 [50 NA NA NA NA NA NA NA <0.I X0.1 <0.1 <0.I <0.1 ¢0.15 X0,1 <0.i <0.1 <0.1 <0.i <0.I <0.1 <0.i X4.1 <br /> MW3-8003-GW 7/28/982 53 <50 <100 <0.3 X0.5 <0.3 X0.5 X10 <10 <10 X10 <10 <10 <10 <10 X10 <10 <10 <10 <10 <10 <10 <10 <br /> 11/5/983 <50 NA NA NA NA NA NA NA <0.i <0.I <0.I <0.1 <0.i o0.15 =0.1 X0.1 <0.I <0.1 <0.i <0.1 X0.1 <0.I <0.l <br /> MW4-11001-GW 7/28/982 150 <50 <100 X0.3 X0.5 X0.3 <0.6 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <10 <br /> 11/5/983 X56 NA NA NA NA NA NA NA X0.1 <0.1 <0.1 <0.1 <0.15 <0.1 <0.l X0.1 <0.1 <0.1 <0.i <0.l <0.I <0.1 <br /> Abbreviations: <br /> TPHd= Total petroleum hydrocarbons quantified as diesel. <br /> TPHmo= Total petroleum hydrocarbons quantified as motor ail. <br /> TPHg= Total petroleum hydrocarbons quantified as gasoline. <br /> MtBE= Methyl tert-butyl ether. <br /> PAHs= Polynuclear aromatic compounds. <br /> NA= Not analyzed. <br /> Notes: <br /> 1 Designates monitoring well location and sample number. <br /> 2 Groundwater samples collected by Radian International and analyzed by Core Laboratories of Pasadena,California,and/or American Environmental Network of Pleasant Hill,California,and analyzed for <br /> TPHd,TPHmo,and TPHg using EPA method 8015M;for benzene,toluene,ethylbenzene,xylenes,and MtBE using EPA Method 8020;and for PAIis using EPA Method 8270. <br /> 3 Groundwater samples collected by Geomatrix Consultants,Inc.,and analyzed by Friedman and Bruya of Seattle,Washington,and analyzed for TPHd using EPA method 8015M and for PAHs using EPA <br /> Method 8270 SIM. Sample extracts were cleaned up with silica gel(based on EPA Method 3630M)prior to TPHd analysis. <br /> 4 <=Analyte was not detected above detection limit indicated. <br /> s results for benzo(k)fluoranthene only. <br /> 1ADOC SAFR5a1IMI-GWResults <br />