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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 <br />MW-1 19 8/18/891 0.87 0.92 --- ---0.071 <0.0005 <0.0005 <0.0005 <br />21 7/24/90 1.0 0.14 --- ---0.0067 0.0052 0.014 0.029 <br />--- 9/2/99 19.5 4.85 --- ---0.0648 2.2 1.32 3.28 <br />(FD) --- 9/2/99 18.4 4.69 --- ---0.091 2.2 1.33 3.09 <br />MW-2 21 8/18/892 <0.050 ---------<0.0005 <0.0005 <0.0005 <0.0005 <br />23 7/24/90 0.087 <0.1 --- --- <0.0005 0.012 0.0066 0.027 <br />MW-3 25 8/18/893 ------------<0.1 <0.1 <0.1 <0.1 <br />28 7/24/90 <0.02 <0.1 --- --- <0.0005 <0.0005 <0.0005 <0.0005 <br />--- 5/20/02 <0.05 0.99 (<0.05)---0.664,5 (<0.3)<0.005 <0.005 <0.005 <0.005 <br />--- 9/30/02 <0.05 0.051 (<0.05)--- ` <0.0005 <0.0005 <0.0005 <0.001 <br />--- 12/5/02 <0.05 0.18 (<0.05)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />--- 3/5/03 <0.05 0.088 (0.086)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />(FD) --- 3/5/03 <0.05 0.078 (<0.05)--- <0.05 (<0.05) <0.0005 <0.0005 <0.0005 <0.001 <br />--- 5/5/03 <0.05 1.2 (0.070)---0.15 4 (<0.05)<0.0005 <0.0005 <0.0005 <0.001 <br />---8/19/03 12 0.056 1.1 (0.200)---0.14 B (<0.05)<0.0005 <0.0005 0.0039 0.0105 <br />---11/10/0312 <0.05 0.45 (<0.05)---0.0544 (<0.054)<0.0005 <0.0005 <0.0005 <0.001 <br />---02/18/04 12 <0.05 1.2 (0.14)0.124 (<0.05)<0.0005 <0.0005 <0.0005 <0.001 <br />---6/3/04 12 <0.05 1.4 (0.52)---0.37 16 (0.17 16)<0.0005 <0.0005 <0.0005 <0.001 <br />---9/7/04 12 <br />---12/6/04 23 <0.05 0.30 --- <0.10 <0.0005 <0.0005 <0.0005 <0.001 <br />---2/2/05 23 <0.05 0.29 --- <0.05 <0.0005 <0.0005 <0.0005 <0.001 <br />--- 5/25/05 <0.05 0.28 ---0.11 16 <0.0005 <0.0005 <0.0005 <0.001 <br />---8/24/05 <0.05 0.34 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---11/17/05 <0.05 0.36 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---2/14/06 <0.05 0.22 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---5/15/06 <0.05 0.20 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---8/14/06 <0.05 0.23 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---11/14/06 <0.05 0.20 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---2/5/07 <0.05 0.13 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />---5/7/07 <0.05 0.31 ---<0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 7/2/07 <0.05 0.25 ---0.092 36 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 10/8/07 <0.05 0.22 ---0.061 37 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 1/21/08 <0.05 0.18 --- <0.05 <0.0005 <0.0005 <0.0005 <0.0015 <br />--- 4/21/08 <0.05 0.16 --- <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 />--- 7/28/09 <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 />Well not sampled 45 <br />Well inaccessible due to rubble and construction activities <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 1 of 67