Laserfiche WebLink
GEOMATRIX <br /> TABLE 3 <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS- <br /> TOTAL PETROLEUM HYDROCARBONS AND RELATED CONSTITUENTS <br /> Roberts Property <br /> Vernalis, California <br /> Concentrations reported in micrograms per liter ipgll) <br /> Well Number <br /> or [)are Ethyl- <br /> Sample 11), Sampled TPHg TPHd TPHmo Benzene benzene Toluene Xylene MtBE <br /> Monitoring Wells <br /> MW-2 7/28198ENA <br /> 230 X50 <0.3 X0.5 <0.3 <o.6 <10 <br /> 1115198 <50 NA NA NA NA NA NA512110297f<50° NA X0.5 c0.5 <Q.S X0.5 NA <br /> MW-3 7128198 <100 53 <50 <0.3 X0.5 <0.3 <0.6 X10 <br /> 1115/98 NA <50 NA NA NA NA NA NA <br /> 5121142 <50 C5o1050° NA <0.5 <0.5 <0.5 <0.5 NA <br /> MW-4 7128/98 <100 150 <50 <0.3 X0.5 X0.3 <0.6 <10 <br /> 1115198 NA <50 NA NA NA NA NA NA <br /> 5121102 <50 <501<50' NA <0.5 <0.5 <0.5 <0.5 NA <br /> MW-22 5122102 <50 <501<50' NA X0.5 X0.5 <0.5 X0.5 NA <br /> Grab Groundwater Sample <br /> SB-13-0502 1 5122102 <50 540177' NA <0•5 1 X0.5 0•8 <0.5 NA <br /> Notes: <br /> t Designates monitoring well location and sample number. <br /> ' Groundwater samples collected on July 28, 1998,by Radian international and analyzed by Core Laboratories of <br /> Pasadena,California,and/or American Environmental Network of Pleasant Hill,California,and analyzed for <br /> TPHd,TPHmo,and TPHg using EPA Method 8015M,and for benzene,toluene,ethylbenzene,xylenes,and <br /> MtBE using EPA Method 8020. <br /> Groundwater samples collected on November 5, 1998,by Geomatrix Consultants,Inc.,and analyzed by Friedman <br /> and Bruva of Seattle..Washington,for TPHd using EPA Method 8015M. Sample extracts were prepared with a <br /> silica gel procedure(based on EPA Method 3630M)prior to TPHd analysis. <br /> Groundwater samples collected on May 21,2002,by Geomatrix Consultants,Inc.,and analyzed by Friedman and <br /> Bruya of Seattle,Washington for TPHd and TPHg using EPA Method 8015M,and BTEX using EPA Method <br /> 8021B.Sample extracts were prepared with a silica gel procedure(based on EPA Method 3630M)prior to TPHd <br /> analysis. <br /> ' <=Analyte was not detected above detection limit indicated. <br /> 4 Sample analyzed with and without a silica gel procedure. <br /> Abbreviations: <br /> TPHd=Total petroleum hydrocarbons quantified as diesel. MtBE=Methyl tcrt-butyl ether. <br /> TPHmo=Total petroleum hydrocarbons quantified as motor oil. NA=Not analyzed. <br /> TPHg=Total petroleum hydrocarbons quantified as gasoline. <br /> i:ldoc safel5ocos15411-001vapornsoil gw tbis.xis <br />