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TABLE 3 <br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS(TPHd,BTEX, and TDS)"z,3 <br /> VERNALIS OFFSITE <br /> Vernalis, California <br /> Concentrations inµg/L unless noted <br /> Collection Date Ethyl- Total TDS <br /> Boring/Wel1ID Method I Sampled TPHd TPHdsg Benzene Toluene benzene Xylenes (mg/L) <br /> SCREENING WQO 100 4 100 4 0.15 5 42 4 29 4 17 4 3,000 6 <br /> LEVELS ESL 100 7 100 7 1 S 40 7 30 7 20 7 --- <br /> SB-26 G 2/27/2008 160 <50 <0.1 <1.0 <1.0 <1.0 NA <br /> SB-27 G 2/27/2008 51 <50 <0.1 <1.0 <1.0 <1.0 888 <br /> SB-28 G 2/26/2008 89 <50 <0.1 <1.0 <1.0 <1.0 NA <br /> SB-29 G 2/26/2008 <50 NA <0.1 <1.0 <1.0 <1.0 NA <br /> SB-31 G 2/26/2008 71 <73 E <0.1 <1.0 <1.0 <1.0 NA <br /> SB-31D G 2/26/2008 69 <73 E <0.1 <1.0 <1.0 <1.0 NA <br /> SB-32 G 2/26/2008 <50 NA E <0.1 <1.0 <1.0 <1.0 1,390 <br /> SB-33 G 2/25/2008 240 E <50 E <0.1 <1.0 <1.0 <1.0 NA <br /> Abbreviations: <br /> <=Denotes analyte not detected at or above the laboratory reporting limit <br /> BTEX=Benzene,toluene,ethylbenzene,and total xylenes <br /> E=estimated value based on surrogate recovery levels <br /> EPA=U.S.Environmental Protection Agency <br /> ESL=Environmental Screening Level <br /> D=Duplicate sample <br /> G =Grab groundwater sample collected using peristaltic pump and prepacked well screen <br /> ID=Identification <br /> MCL=Maximum Contaminant Level <br /> mg/L=Milligrams per liter <br /> MUN=Designates municipal and domestic water supplies <br /> NA=Not analyzed <br /> RWQCB=Regional Water Quality Control Board <br /> SAIC=Science Application International Corporation <br /> TDS=Total Dissolved Solids <br /> TPHd=Total petroleum hydrocarbons quantified as diesel,C 1O-C25 <br /> TPHdsg=Total petroleum hydrocarbons quantified as diesel with silica-gel cleanup. <br /> gg/L=Micrograms per liter <br /> WQO=Water Quality Objective <br /> �A:f: <br /> mmodrAp'af a_r.: <br /> FrOM Seienee to Solutions <br /> Page 1 of 2 <br />