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TABLE 2 <br /> GROUNDWATER ANALYTICAL RESULTS-TPHd,TPHg,and BTEX <br /> VERNALIS PUMP STATION <br /> Vernalis,California <br /> Concentrations reported in pg/L unless noted <br /> Date Ethyl- Total <br /> Sample ID Collected TPHd TPHdsg TPHg TPHmo Benzene Toluene benzene Xylenes MTBE <br /> SCREENING WQO 1001 <br /> 1001 5 1 0.15, 42 1 29 t 17 2 51'5 <br /> LEVELS ESL 1004 1004 100 4,A 1 5,6 4o4,6 30 4,6 204.6 5 4.5 <br /> MW-5 07/19/05 <50 NA <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 <50 NA <50 NA <0.5 <0.5 <br /> <0.5 <0.5 NA <br /> 03/16/06 <50 NA <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* 72 13 J <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 08/10/0614 NS NS NS NS NS NS NS NS NS <br /> 11/07/0614 NS NS NS NS NS NS NS NS NS <br /> 01/24/07 150 13 E <50 NA NA NA NA NA NA NA <br /> MW-6 07/19/05 <50 NA <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 <50 NA <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 01/25/06 95 s <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 01/25/06D <50 <5010 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* <50 NA <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 08/10/06 <50 NA <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 11/07/06 <50 NA <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 11/07/06D <50 NA <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 01/24/07 <50 <50 NA NA NA NA NA NA NA <br /> 01/24/07D <50 <50 NA NA NA NA NA NA NA <br /> MW-7 07/19/05 240 64 <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 620 270 <50 NA <0.5 <0.5 <0.5 <0.5 NA <br /> 01/25/06 480 s 170 10 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* 710 s 52J <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06D 550 s <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 08/10/06 62 13 U <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 08/10/06D 52 13 U <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 11/07/06 130 E <50 <50 NA <0.5 <0.5 <0.5 <1.5 NA <br /> 01/24/07 150 E <50 NA NA NA NA NA NA NA <br /> Abbreviations: <br /> D=Duplicate sample;labeled differently on chain-of-custody <br /> DRO=Diesel-range organics <br /> E=Indicates the reported value is estimated due to the associated quality control results <br /> ESL=Environmental Screening Level <br /> ID=Identification <br /> J=Indicates the reported value is an estimated concentration detected between the method detection limit and limit of quantitation <br /> LCS/LCSD=Laboratory control sample/laboratory control sample duplicate <br /> MCL=Maximum contaminant level <br /> MTBE=Methyl tertiary butyl ether <br /> MW=Monitoring well <br /> NA=Not analyzed <br /> NS=Not sampled <br /> QC=Quality control <br /> RWQCB=Regional Water Quality Control Board <br /> SPO=Separate-phase oil <br /> TPHd=Total petroleum hydrocarbons(C10 to C„)quantified as diesel-range organics <br /> TPHdsg=TPHd with silica-gel preparation <br /> TPHg=TPH(C6 to Cl,)quantified as gasoline-range organics <br /> TPHmo=TPH quantified as motor oil <br /> U=Indicates the analyte was not detected,or was detected at a concentration that is attributed to cross-contamination <br /> pg/L=Micrograms per liter $ <br /> WQO=Water Quality Objective Ar-off` <br /> Page 2 of 3 From Science to sow,- <br />