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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 />A Zone Wells - Area 2A/2B and Adjacent Areas (cont.) <br />MW-38 --- 5/5/03 0.16 0.4 (0.094)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />---8/18/03 12 <0.05 0.17 (0.076)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />Dup ---11/11/03 12 0.18 0.74 (0.37)---0.204 (0.124)<0.0005 <0.0005 <0.0005 <0.001 <br />---11/11/03 12 0.17 1.00 (0.590)---0.204 (0.1504)<0.0005 <0.0005 <0.0005 <0.001 <br />---02/18/04 12 0.32 0.69 (0.40)---0.204 (0.124)<0.0005 <0.0005 <0.0005 <0.001 <br />---6/3/04 12 <0.05 0.72 (0.45)---0.3316 (0.1916)<0.0005 <0.0005 <0.0005 <0.001 <br />---9/7/04 12 <0.05 0.19 (0.12)--- <0.10 (<0.10) <0.0005 <0.0005 <0.0005 <0.001 <br />---12/6/04 23 0.081 0.18 --- <0.10 <0.0005 <0.0005 <0.0005 <0.001 <br />---2/2/05 23 0.051 0.14 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />--- 5/25/05 0.065 0.240 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />--- 8/24/05 0.12 0.41 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 11/17/05 0.10 0.32 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 2/14/06 0.11 0.45 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 5/15/06 0.16 0.46 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 8/14/06 0.12 0.48 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 11/14/06 0.14 0.52 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 2/5/07 0.17 0.32 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 5/7/07 0.097 0.26 ---0.076 24 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 7/2/07 <0.05 0.20 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 10/8/07 0.12 0.37 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 1/21/08 0.08 0.15 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 4/21/08 <0.05 0.15 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 7/21/08 <br />--- 10/20/08 <br />--- 1/19/09 <br />--- 4/20/09 <br />--- 7/27/09 <br />--- 10/19/09 <br />--- 1/18/10 <br />--- 4/19/10 <br />--- 7/19/10 <br />--- 10/18/10 <br />--- 1/24/11 <br />--- 4/18/11 <br />--- 7/19/11 <br />--- 10/17/11 <br />--- 1/17/12 <br />MW-39 --- 5/5/03 0.42 0.36 (0.094)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />---8/18/03 12 0.1 0.23 (0.085)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />---11/11/03 12 0.23 0.27 (0.120)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />---02/18/04 12 0.24 0.30 (0.14)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />---6/2/04 12 0.14 0.43 (0.18)---0.07816 (<0.0516)<0.0005 <0.0005 <0.0005 <0.001 <br />---9/7/04 12 0.17 0.20 (0.12)--- <0.10 (<0.10) <0.0005 <0.0005 <0.0005 <0.001 <br />---12/6/04 23 0.23 0.23 --- <0.10 <0.0005 <0.0005 <0.0005 <0.001 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <br />Well not sampled 45 <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 21 of 67