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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 micrograms per liter(µg/L)unless noted <br /> Date <br /> Sample ID Collected TPHd TPHd w/s.g. TPHmo TPHg Benzene Toluene Ethylbenzene Total Xylenes MTBE <br /> MW-5 07/19/05 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 03/16/06 <50 NA NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* 727 J <50 NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> MW-6 07/19/05 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 01/25/06 952 <50 NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> 1/25/06D <50 <504 NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* <50 NA NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> MW-7 07/19/05 240 64 NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 10/18/05 620 270 NA <50 <0.5 <0.5 <0.5 <0.5 NA <br /> 01/25/06 4802 1704 NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06* 7102 J 52 J NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> 05/04/06D 5502 J <50 NA <50 <0.5 <0.5 <0.5 <1.5 NA <br /> Abbreviations: <br /> D=Duplicate sample;labeled differently on chain-of-custody <br /> J=The analyte was positively identified;the associated numerical value is the approximate concentration of the analyte in the sample. <br /> NA=Not analyzed <br /> NS=Not sampled <br /> TPHd=Total petroleum hydrocarbons quantified as diesel without silica-gel preparation <br /> TPHd w/s.g.=Total petroleum hydrocarbons quantified as diesel with silica-gel preparation <br /> TPHg=Total petroleum hydrocarbons quantified as gasoline <br /> Notes: <br /> *Starting with the second quarter 2006,laboratory analytical data are being qualified and flagged as appropriate.Please see the respective Data Usability Summary <br /> section of the reports for detailed information on the qualifiers used. <br /> 1.Not sampled due to the presence of SPO. <br /> 2.The observed sample pattern includes#2 fuel/diesel and an additional pattern that elutes later in the DRO range. <br /> 3.The observed sample pattern includes#2 fuel/diesel and individual peaks eluting in the DRO range. <br /> 4.The surrogate recoveries for the LCS/LCSD associated with this sample were outside QC limits. <br /> Since the surrogate spike recoveries for the project samples were within limits,the data was reported. <br /> 5.The observed pattern in not typical of#2 fuel/diesel.It elutes in the DRO range later than#2 fuel. <br /> 6.There was insufficient volume of water in the well for sample collection. <br /> 7.The observed pattern in not typical of#2 fuel/diesel.The reported result is due to grouping of peaks elutes in the DRO range. <br /> Page 2 of 2 <br />