ARCHIVED REPORTS_1ST QUARTER 2008 SITE STATUS REMEDIAL SUMMARY AND GROUNDWATER MONITORING REPORT

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1 I Table 5 Groundwater Analytical Data- Fuel Oxygenates and VOCs South Shore Parcels-Parcel 2A and Adjacent Areas West Weber Avenue and North Lincoln Street Stockton, California sec- Iso- p-Iso- 4-Iso 1,2,4-Tri- 1,3,5-Tri- Methylene n-Butyl- Tert-Butyl- butyl- propyl- propyl propyl- Naph- Propyl- n-Propyl- methyl methyl Other Sample Date MtBE TBA DIPE EtBE TAME Methanol Ethanol Chloride TCE" 1,2-DCA Acetone benzene berizene benzene benzene toluene toluene thalene benzene benzene benzene benzene VOCs* ID Sampled (mg/1) (mg/1) (mg/1) mll m " m /1 (mg/1) ml) (m1l) (m1l) (m /I) (ml) (m /l (mg/1) m1l) (mll m /1 m1I) (mll) (mll) (m /I) (mJI) Jm /I A Zane Wells-Areas 2Al2B And Adjacent Properties(cont.' MW-4(cant.) 2116106 0.0053 0.04 <0.0025 <0.0025 <0.0025 <0.25 <0.05 <0.005 <0.0025 <0.0025 - 0.032 <0.0025 0.021 0.1 0.008 - 0.'18 --- 0.25 0.54 0.16 ND 2 5115106 Not sampled due to Sheen 8116106 0.0083 <0.015 <0.003 <0.003 <0.003 <0.3 <0.0841 <0.005 <0.003 <0.003 --- 0.031 <0.003 0.019 0.13 0.0046 --- 0.24 --- 0.32 0.38 0.12 ND' 11/14/06 Not sampled due to Sheen 215/07 Not sampled due to Sheen 5/7/07 Not sampled due to Sheen 715107 0.0075 <0.02 <0.004 <0.004 <0.004 <0.40 <0.05 <0.005 <0.004 <0.004 --- 0.025 <0.004 0.018 0.1 0.0053 --- 0.22. --- 0.24 0.48 0.12 ND 2a 10/10/07 0.008 <0.025 <0.005 <0.005 <0.005 <0.50 <0.05 <0.005 <0.005 <0.005 --- 0.028 <0.005 0.021 0.12 0,0082 0.29 0.32 0.79 0.21 ND za 29 �. ..r...� _.,.__._.0 , ,�0.033.._,.._-...........0.0.05 0.024_ M .....,0r-_ .:.0<.w.- ._ ::;.._ _:,; ,....u._•. MW-5 10/18/96 --- --- --- - - -- <0.002 <0.0005 ND --= --- --- --- --- -- 1/19199 0.121 <0.10 <0.005 <0.005 <0.005 <0.50 <0.005 <0.005 <0.005 <0.05 <0.005 -- <0.005 0.0114 <0.005 --- <).005 --- 0.03 <0.005 <0.005 ND 912199 _-- --- --- --- --- ND ND <0.0025 --_ <0.005 --- <0.0025 0.00295 ND <0.0025 <0.0025 --- <0.0025 <0.0025 <0.0025 ND - -- 7/19102 0.18 --- --- -- -- --- --- <0.067 <0.017 <0.017 --- 0.027 0.021 0.12 <0.017 --- <0.017 -- 0.43 <0.017 <0A17 --- 9/30/02 0.13 0.013 0.0013 <0.0005 <0.0005 <0.1 <0.05 <0.005 <0.0005 <0,0005 -- 0.018 -- 0.015 0.074 <0.005 --- <0.005 -- 0.2 <0.005 <0.005 --- (FD) 1215102 0.012 <0.01 0.001 <0.001 <0.001 <0.1 <0.01 <0.010 <0.001 <0.001 --- <0.050 - 0.023 0.094 <0.001 -- <0.001 --- 0.28 <0.001 <0.001 ND 3/5/03 0.11 0.0076 0.0011 <0,0005 <0.0005 <0.1 <0.05 <0.005 <0-0005 <0.0005 --- <0.050 <0.0005 0.028 0.12 <0.0005 - <0.0005 -- 0.27 <0.0005 <0-0005 ND 5/5103 - -- - -_ <0.010 <0.001 <0.001 --- <0.050 <0.001 0.024 0.1 <0.001 -- <0.001 --- 0.3 <0.001 <0.001 ND 8119103, 0.057 <0.005 0.00095 -- <0.005 <0.0005 <0.0005 --- 0.024 <0.0005 0.019 0.084 <0.0005 --- <0.0005 --- 0.36 .<0.0005 <0.0005 ND 11/11/03 7 0.046 <0.005 0.0012 --- --- - --- <0.005 <0.0005 <0.0005 --- 0.036 <0.0005 0.027 0.110 <0.0005 - <0.0005 --- 0.32 <0.0005 <0.0005 NDS 02/18/04 7 0.029 <0.005 0.00084 --- --- --- <0.005 <0.0005 <0.0005 --- 0.026 <0.0005 0.019 0.081 <0.0005 --- <0.0005 --- 0.19 <0.0005 <0.0005 ND 612104 7 0.026 <0.01 <0.001 --- --- --- <0.01 <0.001 <0.001 --- 0.031 <0.001 0.024 0.095 <0.001 --- <0.001 --- 0.28 <0.001 <0.001 ND Dup 6/2/04 7 0.027 <0.01 <0.001 <0.001 <0.001 <0A <0.01 <0.01 <0.001 <0.001 --- 0.033 <0.001 0.025 0.098 <0.001 --- <0.001 --- 0.33 <0.001 <0.001 ND 917/04 7 0.027 <0.005 0.00073 --- - --- --- eo.005 <0.0005 <0.0005 --- 0.030 <0.0005 0.023 0.088 <0.0005 -- <0.0005 --- 0.28 <0.0005 <0.0005 ND 12/6/0419 0.025 <0.007 <0.0015 <0.0015 <0.0015 <0.15 <0.015 <0,005 <0.0015 <0.0015 --- 0.026 <0.0015 0.021 0.100 <0.0015 --- <0.0015 --- 0.28 <0.0015 <0.0015 ND 2/2/0519 0.019 <0.01 <0.001 <0.001 <0.001 <0.20 <0.10 <0.010 <0.001 <0.001 --- 0.023 <0.001 0.018 0.078 <0.001 --- <0.001 --- 0.21 <0.001 <0-001 ND 5/25105 Not sampled due to broken monument 8124105 0.015 <0.005 <0.005 <0.005 <0.005 <0.5 <0.005 <0.005 <0.005 <0.005 --- 0.014 <0.0005 0.013 0.054 <0.0005 --- <0.0605 --- 0.15 <0.0005 <0.0005 ND 11/17/05 0.014 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.011 <0.0005 0.012 0.051 <0.0005 --- <0.0005 --- 0.13 <0.0005 <0.0005 ND 2114106 0.013 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0,005 <0.005 X0.0005 <0.0005 - 0.0023 <0.0005 0.0044 0.015 <0.0005 --- <0.0005 0.023 <0.0005 <0.0005 ND 5/15106 0.012 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0,005 <0.005 <0.0005 <0.0005 --- 0.00051 <0.0005 0.0014 0.004 <0.0005 -- <0.0005 -- 0.0047 <0.0005 <0.0005 ND 8/14106 0.012 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- <0.0005 <0.0005 0.0006 0.0011 <0.0005 --- <0.0005 --- <0.0005 <0.0005 <0.0005 ND 11/14/06 0.0094 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0,005 <0.0005 <0.0005 -- <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 --- <0.0005 --- 0.00059 <0.0005 <0.0005 ND 215107 0.0094 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.00062 <0.0005 0.0022 0.0088 <0.0005 -- 0.00054 --- 0.009 <0.0005 <0.0005 ND 517/07 0.011 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0018 <0.0005 0.0028 0.013 <0.0005 --- 0.0018 - 0.029 <0.0005 <0.0005 ND 7/2/07 0.0088 <0.005 <0.0005 <0.0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0012 <0.0005 0.0017 0.0078 <0.0005 - 0.00051 --- 0.019 <0.0005 <0.0005 ND 1018107 0.0086 <0.005 <0.0005 <0,0005 <0.0005 <0.05 <0.005 <0.005 <0.0005 <0.0005 --- 0.0026 <0.0005 0.0033 0.014 <0.0005 <0.0005 0.039 <0.0005 <0.0005 ND _. .... _....< .._.._. ._... e .... _< < z 8_...__.........0.0.1 005...-........0.0005 .. 0 0 5.. . ....._.. �........ . . 035..... _ _0..000.5. O.OD3 $ ... _.. _ ...__... . . _.. .. , .. .... _._. ._ , .00 0 0005 0.05 0 0. _ .. . _.... ....._., .... _ ,_ _. MW-6 10/18/96 --- -- --- --- --- --- --- 0.003 ND ND --- --- --- -- --- �- -- --- ___ - _-- --- ND <4.0 <0.4 - <0.4 <D.4 <0.4 <0,4 --- <0.4 <0.4 <0.4 ND 1119199 <0.4 <8.0 <0.4 8.94 <0.4 --- <40 <0.4 <0.4 <0.4 _-- 9/2/99 --- ND --- --- --- ND ND <0.5 <0.5 --- <0.5 0.6 ND <0.5 <1.0 --- <0.5 <0.5 <0.5 ND 5120/02 <0.13 --- --- --- - --- --- <0.5 <0.13 <0.13 - <0.13 --- <0A3 <0.13 <0.13 - <0.13 --- <0.13 <0.13 <0.13 --- 9/30102 <0.02 <0.2 <0.02 <0.02 <0.02 <2.0 <0.2 <0.2 <0.02 <0.02 - <0.02 --- <0.02 0.024 <0.02 --- <0.02 --- <0.02 <0.02 <0.02 --- 1215/02 --- - --- --- --- <0.2 <0.02 <0.02 - <0.02 --- <0.02 <0.02 <0.02 --- 0.35 --- <0.02 <0.02 <0.02 ND 315103 <0.02 <0.2 <0.02 <0.02 <0.02 <2.0 <0.2 <0.2 <0.02 <0.02 --- <0.02 <0.02 <13.02 <0.02 <0.02 - <0.02 --- <0.02 <0.02 <0.02 ND 515/03 --- --- --- --- - --- <0.2 <0.02 <0.02 --- <0.02 <0.02 <0.02 <0.02 <0.02 - <0.02 -- <0.02 <0.02 <0.02 ND 8118/03 <0.05 <0.5 <0.05 <0.05 <0.05 <5.0 <0.5 <0.5 <0.05 <0.05 --- <0.05 <0.05 <0.05 <0.05 <0.05 --- <0.05 -- <0.05 <0.05 <0.05 ND 11/11/03 7 <0.05 14) <0.5 <0.05 <0.05 <0.05 <5 <0.5 <0.50 <0.050 <0.050 --- <0.050 <0.050 <0.050 <0.050 <0.050 --- <0.050 --- <0.050 <0.050 <0.050 ND 02117104 <0.025 <0.25 <0.025 <0.025 <0,025 <2.5 <0.25 <0.25 <0.025 <0.025 - <0.025 <0.025 <0.025 <0.025 <0.025 - <0.025 --- <0.025 <0.025 <0.025 ND I:1-1 idewaierlTW Stockton(Parcel 2A-0415)1Tab1os\QMR Tables1200811 Q081Parcel2A(Tables 2,4,5,6,7)Historical GW Tables 1 Q08.xls Page 2 of 31