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TABLE 3 <br /> GROUNDWATER ANALYTICAL SUMMARY <br /> ARCO Service Station No. 6100 _ - .• . <br /> 25775 Patterson Pass Road <br /> Tracy, California <br /> Ethyl- Total Nitrate <br /> Date TPHG Benzene Toluene benzene Xylenes MTBE TBA TAME DIEPE ETBE Ethanol as NO3 QA/QC <br /> Sample ID Collected (gg/L) (gg/L) (µ ) (gg/L) (gg/L) (gg/L) (µg/L) (gg/L) (gg/L) (gg/L) (gg/L) (mg/L) Review <br /> Domestic Well 02/07/01 <50.0 <0.500 <0.500 <0.500 <0.500 <2.00 <200 <2.00 <2.00 <2.00 NA 16 <br /> 09/05/01 <50 <0.50 <0.50 <0.50 <0.50 <2.0 <200 <2.0 <2.0 <2.0 NA 15 <br /> 11/12/01 <50 <0.50 <0.50 <0:50 <0.50 <1.0 <100 <1.0 . <1.0 <1.0 NA 17 <br /> 03/26/02 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <0.50 NA 17 <br /> 06/21/02 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <0.50 NA NA <br /> 09/18/02 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <0.50 NA NA <br /> 12/23/02 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <5.0 <0.50 <0.50 <0.50 NA NA <br /> 03/24/03 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <20 <0.50 <0.50 <0.50 <100 NA <br /> 06/16/03 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <20 <1.0 <1.0 <L0 <100 NA A <br /> ug/L=micrograms per titer QA/QC Review: <br /> mg/L=milligrams per liter A=Data accepted without qualification <br /> A=not analyzed . J=Data accepted with qualification <br /> [1]=The sample was diluted due to the presence of high levels of non-target analytes resulting in elevated reporting limits R=Data rejected <br /> [2]=Hydrocarbon pattern is present in the requested fuel quantitation range,but does not resemble the pattern of the requested fuel <br /> [3]=Discrete peak @ C-6. <br /> [4]=Discrete peak @ C5-C7. <br /> [5]=Result may be biased low. Matrix spike and matrix spike duplicate recoveries were below control limits,and the corresponding RPD was outside of control limits. <br /> Arco_6Juartaly_�Data Pa[ s of 3 r" ' VATUO <br />