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Table 4 <br /> Groundwater Analytical Data-Total Petroleum Hydrocarbons and BTEX <br /> South Shore Parcels-Parcel 2A and Adjacent Areas <br /> West Weber Avenue and North Lincoln Street <br /> Stockton,California <br /> Depth <br /> Ethyl- <br /> amp (feet, Date TPHg TPHd TPHk TPHo Benzene Toluene benzene Xylenes <br /> ID b s Sampled (mg/1) (mg/1) (mg/1) (mg/1) (mg/l (mg/1) (mg/I m /I <br /> QA/QC Samplin cont. <br /> 7/3/07 <0.05 <0.0005 <0.0005 40.0005 40.001 <br /> QCTB-I-RG --- <br /> QCTB-2-CM 713/07 40.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> -- -- <br /> QCTB-3-RG --- 7/5/07 <0.05 --- <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-4-CM --- 7/5/07 <0.05 -- <0.0005 <0.0005 <0.0005 <0.001 <br /> QCDUP-1 (MW-9) --- 10/9/07 3.1 5.1 --- 0.051 `° 0.098 0.0037 0.0023 0.0068 <br /> QCDUP-3 (MW-16) -- 10/10/07 0.43 0.99 -- <0.05 0.013 0.029 0.0045 0.0218 <br /> QCDUP-4 (MW-29) - 10/8/07 0.089 0.1 --- <0.05 <0.0005 <0.0005 40.0005 <0.001 <br /> QCEB-1-(CM) -- 10/8/07 <0.05 <0.05 -- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> QCEB-2-(CM) --- 10/9/07 <0.05 40.05 - <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> QCEB-1-(RG) --- 10/8/07 <0.05 <0.05 - <0.05 <br /> 40.0005 <0.0005 <0.0005 <0.001 <br /> QCEB-2-(RG) --- 10/9107 40.05 40.05 - 40.05 40.0005 40.0005 40.0005 40.001 <br /> QCEB-3-(RG) --- <br /> 10/10/07 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-I-CM --- 10/8/07 40.05 --- - --- 40.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-2-CM --- 10/9/07 40.05 - --- <br /> --- <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-3-RG <br /> 10/8107 40.05 40.0005 <br /> 40.0005 <0.0005 <0.001 <br /> -- _- <br /> 0.001 <br /> QCTB-4-CM --- 10110/07 40.05 --- <0.0005 40.0005 40.0005 < <br /> QCDUP-1 (MW-33) --- 1/22108 40.05 40.05 --- <br /> 40.05 40.0005 40.0005 <br /> 40.0005 <0.001 <br /> QCDUP-2(MW-26) --- 1123/08 <0.05 0.072 41 --- <0.05 <0.0005 <0.0005 40.0005 <0.001 <br /> QCDUP-3(MW-21) --- 1/24/08 0.086 1.6 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> QCDUP-4(MW-4) --- 1/25/08 19 <10.09 --- <0.05 0.03 1.2 1.4 3.26 <br /> QCDUP-5(MW-16) --- 1/23108 0.30 0.91 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> 1/22108 <0.05 __ <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-1 1/23/08 <0.05 ___ <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-2 1124/08 40.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> QCTB-3 --- --- -- --- <br /> --- 1/25/08 40.05 --- --- 40.0005 40.0005 40.0005 40.001 <br /> QCTB-4 1/22/08 <0.05 <0.05 <0.05 <0.0005 40.0005 <0.0005 <0.001 <br /> QCEB-I-CM <br /> QCEB- 1/22/08 <0.05 <0.05 <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br /> 2-SR -- <br /> QCEB-2-CM --- 1/23108 40.05 40.05 --- 40.05 40.0005 40.0005 <0.0005 <0.001 <br /> QCEB-2-SR --- 1/23/08 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001, <br /> QCEB-3-CM --- 1124/08 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001. <br /> QCEB-3-SR --- 1/24/08 1 <0.05 <0.05 -- <0.05. <0.0005 <0.0005 . <0.0005 <0.001- <br /> Explanations: <br /> bgs=below ground surface FD or DUP=Field Duplicate <br /> TPHg=Total Petroleum Hydrocarbons in the gasoline range organics mg/I=milligrams per liter <br /> TPHd =Total Petroleum Hydrocarbons in the diesel range organics ND=Not detected;laboratory reporting limit unspecified in historical tables. <br /> TPHk=Total Petroleum Hydrocarbons In the kerosene range organics --=Not Anal zed <br /> 0 <br /> IATidewater\jpf$tockton(Parcel 2A-0415)\Tablas\QMR Tables\2008\1Q08\Parcel2A(Tables 2,4,5.6,7)Historical GW Tables 1008.xls <br /> Page 42 of44 <br />