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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 Ethyl- <br />Sample (feet, Date TPHg TPHd TPHk TPHo Benzene Toluene benzene Xylenes <br />ID bgs) Sampled (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) (mg/l) <br />QA/QC Sampling (cont.) <br />QCTB-2 --- 1/21/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />Tripblank 3 --- 1/22/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.001 <br />QCTB-4 --- 1/22/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.001 <br />QCTB-5 --- 1/23/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-1 (MW-42) --- 4/22/09 0.30 <0.10 48 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-2 (MW-20) --- 4/22/09 0.53 3.2 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP 3 (MW-22) --- 4/22/09 0.057 1.1 ---0.05 37 <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-4 (MW-51) --- 4/22/09 0.17 1.3 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-5 (MW-18) --- 4/23/09 3.6 <1.5 48 --- <0.05 0.0008 0.0007 0.00094 0.00316 <br />QCDUP-6 (MW-62) --- 4/23/09 <0.05 0.44 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-7 (MW-69) --- 4/23/09 <0.05 0.13 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCEB-CM-1 --- 4/21/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCEB-CM-2 --- 4/22/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCEB-CM-3 --- 4/23/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCEB-1 --- 4/21/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCEB-2 --- 4/22/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCTB-CM-1 --- 4/22/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.001 <br />QCTB-CM-2 --- 4/23/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />QCTB-RC-1 --- 4/22/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.001 <br />QCDUP-1 (MW-42) --- 7/29/09 0.34 <0.2 48 --- <0.05 <0.0005 <0.0005 <0.0005 0.00054 <br />QCDUP-2 (MW-20) --- 7/29/09 0.40 2.0 --- < 0.05 < 0.0005 < 0.0005 < 0.0005 0.00056 <br />QCDUP-3 (MW-22) --- 7/29/09 < 0.05 0.58 --- < 0.05 < 0.0005 < 0.0005 < 0.0005 < 0.0005 <br />QCDUP-4 (MW-51) --- 7/29/09 0.14 1.2 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCDUP-5 (MW-18) --- 7/30/09 3.4 1.10 --- < 0.05 0.00061 0.00067 0.001 0.00302 <br />QCDUP-6 (MW-62) --- 7/29/09 <0.05 0.47 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCDUP-7 (MW-69) --- 7/30/09 <0.05 0.14 ---0.053 36 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCEB-CM-1 --- 7/28/09 <0.05 <0.05 --- <0.05 <0.0005 0.002 <0.0005 0.0015 <br />QCTB-1-CM --- 7/28/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.0005 <br />QCEB --- 7/29/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCEB-CM-2 --- 7/29/09 <0.05 <0.05 --- <0.05 <0.0005 0.0018 <0.0005 0.0014 <br />QCTB-CM-2 --- 7/29/09 <0.05 --- --- --- <0.0005 <0.0005 <0.0005 <0.0005 <br />QCEB-1 --- 7/30/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCEB-CM-3 --- 7/30/09 <0.05 <0.05 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCTB-CM-3 --- 7/30/09 <0.05 ------ --- <0.0005 <0.0005 <0.0005 <0.0005 <br />QCDUP-1 (MW-42) --- 10/21/09 0.36 0.12 --- <0.05 <0.0005 <0.0005 <0.0005 0.00066 <br />QCDUP-2 (MW-20) --- 10/20/09 0.42 4.6 ---0.074 37 <0.0005 11 <0.0005 <0.0005 <0.0005 <br />QCDUP-3 (MW-22) --- 10/20/09 0.062 2 ---0.054 37 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCDUP-4 (MW-51) --- 10/21/09 0.16 1.7 ---0.091 36 <0.0005 <0.0005 <0.0005 <0.0005 <br />QCDUP-5 (MW-18) --- 10/21/09 3.1 1.6 --- <0.05 0.00057 0.00059 0.00093 0.00282 <br />QCDUP-6 (MW-62) --- 10/21/09 <0.05 0.53 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0005 <br />I:\Tidewater\TW Stockton (P2A)\Tables\QMR Tables\2012\1Q12\20120305-Parcel2A (Tables 4,5,6,7) Historical GW Tables 1Q12-CL.xlsx Page 61 of 67