ARCHIVED REPORTS_3Q13 QSSR QRSR QMR

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Table 5 Historical Groundwater Analytical Data South Shore Parcels-Parcel 2A and Adjacent Areas West Weber Avenue and North Lincoln Street Stockton,California Depth Ethyl- Sample (feet, Date TPHg TPHd TPHo Benzene Toluene benzene Xylenes MTBE TBA As ID b s) Sampled (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L (mg/L m /L B Zone Wells-Areas 2A/2B And Adjacent Areas(cont.) MW-49(cont.) --- 7/15/13 Not Sampled due to SPH MW-50 --- 5/25/05 Not Sampled due to SPH --- 8/24/05 0.15 5.8 0.08521 <0.0005 <0.0005 <0.0005 <0.001 0.00061 <0.005 0.028 --- 11/14/05 Not Sampled due to Sheen --- 2/16/06 0.22 1.6 <0.05 <0.0005 <0.0005 <0.0005 0.00059 0.00054 <0.005" 0.04 --- 5/18/06 0.11 2.9 0.11021 <0.0005 <0.0005 <0.0005 <0.001 <0.0005 <0.005 --- --- 8/17/06 0.17 2.2 0.06521 0.0011 0.00051 <0.0005 0.00058 <0.0005 <0.005 <0.005 --- 11/16/06 0.33 1.8 <0.050 <0.0005 <0.0005 <0.0005 0.00057 0.00074 <0.005 --- --- 2/5/07 Not Sampled due to Sheen --- 5/7/07 Not Sampled due to SPH --- 7/3/07 Not Sampled due to SPH --- 10/8/07 Not Sampled due to SPH --- 1/21/08 Not Sampled due to SPH --- 4/21/08 Not Sampled due to SPH --- 7/21/08 Not Sampled due to SPH --- 10/20/08 Not Sampled due to SPH --- 1/19/09 Not Sampled due to SPH --- 4/20/09 Not Sampled due to SPH --- 7/27/09 Not Sampled due to SPH --- 10/19/09 Not Sampled due to SPH --- 1/18/10 Not Sampled due to SPH --- 4/19/10 Not Sampled due to SPH --- 7/19/10 Not Sampled due to SPH --- 10/18/10 Not Sampled due to SPH --- 1/24/11 Not Sampled due to SPH --- 4/18/11 Not Sampled due to SPH --- 7/18/11 Not Sampled due to SPH --- 10/17/11 Not Sampled due to SPH --- 1/17/12 Not Sampled due to SPH --- 4/16/12 Not Sampled due to SPH --- 7/16/12 Not Sampled due to SPH --- 10/15/12 Not Sampled due to SPH --- 2/12/13 Not Sampled due to SPH --- 4/15/13 Not Sampled due to SPH --- 7/15/13 Not Sampled due to SPH MW-51 --- 5/26/05 0.18 1.3 <0.05 <0.0005 <0.0005 <0.0005 0.00055 0.00093 <0.005 --- --- 8/24/05 0.18 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0015 <0.005 0.030 --- 11/16/05 0.16 0.82 <0.05 0.0019 <0.0005 <0.0005 <0.0015 0.0021 <0.005 --- --- 2/15/06 0.21 1.4 <0.05 <0.0005 <0.0005 <0.0005 0.0011 0.0018 <0.005 0.0511 --- 5/19/06 0.28 1.9 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0017 <0.005 --- --- 8/17/06 0.25 1.3 <0.05 0.0027 0.00069 <0.0005 <0.001 0.0017 <0.005 0.019 --- 11/16/06 0.28 1.5 <0.05 <0.0005 <0.0005 <0.0005 <0.00131 0.0018 <0.005 --- --- 2/8/07 0.25 1.8 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0017 <0.005 0.051 --- 5/8/07 6129 1.6 0.1531 0.013 <0.009 <0.009 <0.018 <0.009 <0.05 --- --- 7/3/07 Not sampled-no access agreement --- 10/8/07 Not sampled-no access agreement --- 1/24/08 0.25 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0016 <0.005 0.059 --- 4/23/08 0.25 1.8 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0012 <0.005 --- --- 7/24/08 0.18 1.6 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0010 <0.005 0.038 --- 10/22/08 0.19 1.3 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.00095 <0.005 --- --- 1/21/09 0.14 1.1 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0012 <0.005 0.040 --- 4/22/09 0.14 1.4 <0.05 <0.0005 <0.0005 <0.0005 <0.001 0.0011 <0.005 --- 7/29/09 1 0.12 1.2 <0.05 <0.0005 <0.0005 <0.0005 <0.0005 0.0010 <0.005 0.074 Page 37 of 60