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Table 5 <br /> Groundwater Analytical Data-Fuel Oxygenates and VOCs <br /> South Shore Parcels-Parcel 2A and Adjacent Areas <br /> West Weber Avenue and North Lincoln Street <br /> Stockton,California <br /> sec- Iso- p-Iso- 4-Iso- 1,2,4-Tri- 1,3,5-Tri- <br /> Methylene n-Butyl- tert-Butyl- Butyl- propyl- propyl- propyl- Naph- Propyl- n-Propyl- methyl- methyl- Other <br /> Sample Date MtBE TBA DIPE EtBE TAME Methanol Ethanol chloride TCE 1,2-DCA Acetone benzene benzene benzene benzene toluene toluene thalene benzene benzene benzene benzene Chloroform VOCs* <br /> ID Sampled (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) (mg/1) <br /> QAIQC Sampling cont. <br /> QCTB-2 1/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-3 1/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-4 1/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-1 1/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB 1/22/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-1(2AMW-12) 4/21/10 <0.0005 0.0095 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 0.00059 0.0012 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-2(MW42) 4/21/10 0.00061 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-3(MW-20) 4/20/10 0.00061 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.0026 0.001 0.0043 0.0096 <0.0005 --- <0.0005 --- 0.0075 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-4(MW-58) 4/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-5(MW-64) 4/21/10 0.016 0.012 <0.0005 <0.0005 <0.0005 <0.1 <0.05' <0.005 <0.0005 <0.0005 --- 0.008 <0.0005 0.0062 0.023 <0.0005 --- <0.0005 --- 0.049 0.00095 <0.0005 <0.0005 ND <br /> QCDUP-6(MW-55) 4/22/10 0.0016 0.031 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.00091 <0.0005 0.0015 0.0025 <0.0005 --- <0.0005 --- 0.0019 <0.0005 <0.0005 <0.0005 ND3o(styrene) <br /> QCDUP-7(MW-9) 4/22/10 0.0023 0.069 0.00054 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- 0.0096 0.00078 0.0078 0.026 <0.0005 --- 0.00083 --- 0.035 <0.0005 <0.0005 <0.0005 ND2,5,31(styene) <br /> QCEB-1-RM 4/19/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-1-RG 4/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-2-RM 4/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-2-RG 4/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-3-RM 4/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-3-RG 4/22/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND30(styrene) <br /> QCTB-1 4/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-2 4/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-3 4/22/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND3o(styrene) <br /> QCDUP-1 (MW-45) 7/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005� <0.0005 <0.0005 *- <0.0005 - <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-2(MW-44) 7/21/10 0.00098 <0.005 <0.0005 <0.0005 <0.0005 <0.1 30 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND3o(vc) <br /> QCDUP-3(MW-23) 7/21/10 0.00051 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-4(MW-27) 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 30 <0.0005 <0.0005 ND30(sty,ne) <br /> QCDUP-5(MW-61) 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-6(MW-69) 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCDUP-7(MW-31) 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 30 <0.0005 <0.0005 ND30(styrene) <br /> QCEB-1-RG 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-1-RM 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-2-RG 7/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-2-RM 7/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCEB-3-RG 7/22/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-1 7/20/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> QCTB-2 7/21/10 <0.0005 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND3o(vc) <br /> QCTB-3 7/22/10 <0.0005 51 <0.005 <0.0005 <0.0005 <0.0005 --- --- <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 <0.0005 ND <br /> Explanations: <br /> VOCs=Volatile Organic Compounds 1,1,2-TCA=1,1,2-Trichloroethane <br /> MtBE=Methyl tertiary Butyl Ether VC=Vinyl Chloride <br /> TBA=Tertiary Butyl Alcohol <br /> DIPE=Di-Isopropyl Ether <br /> EtBE=Ethyl tertiary Butyl Ether <br /> TAME=Tertiary Amyl Methyl Ether <br /> ---=Not Analyzed <br /> <=Below given laboratory detection limit <br /> =Other unspecified VOCs were tabulated in Treadwell&Rollo's Volume Il,Site Characterization Report dated 12/13/99. <br /> ND=Not detected;laboratory detection limit unspecified in historical tables. <br /> FD=Field Duplicate <br /> mg/I=milligrams per liter <br /> TCE=Trichloroethene <br /> DCA=Dichloroethane <br /> U=Upper groundwater zone <br /> L=Lower groundwater zone <br /> Freon 11 =Trichlorofluoromethane <br /> Stantec <br /> I:\Tidewater\TW Stockton(Parcel 2A-0415)\Tables\QMR Tables\2010\3Q10\Parcel2A(Tables 4,5,6,7)Historical GW Tables 3Q10.xls Page 44 of 45 <br />