ARCHIVED REPORTS_GROUNDWATER MONITORING AND REMEDIATION REPORT - 3RD AND 4TH QUARTERS 2011

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TABLE 3 Page 62 of 66 GROUNDWATER DATA SHELL STOCKTON TERMINAL 3515 NAVY DRIVE,STOCKTON,CALIFORNIA We11ID Date TBE MTBE Depth to GW SPH TPH't TPHg B T ME X 8020 8260 TBA DIPE ETBE TAME Ethanol Methanol Lead TOC Water Elea. Thickness DO Owl) OOT) (1182) (1+82) (pY/L) W) (p82) (p8/L) W) (p82) (p82) (1182) (p82) W) (mgt) (ft MSL) (ft TOC) (ft MSL) (ft) (m8/L) DW-2j 05/20/2004 120 <50 <0.50 <0.50 <0.50 <1.0 <0.50 22 7.4 3.22 6.76 -3.54 DW-2 08/16/2004 <50 <50 <0.50 <0.50 <0.50 4.0 <0.50 44 9.9 3.22 7.63 4.41 DW-2 11/29/2004 110 <50 <030 <0,50 <0.50 <1.0 - <0.50 48 9.7 _ _ _ - 0.1 DW-2(D) 11/29/2004 110 <50 <0.50 <0.50 <0.50 <1.0 - <0.50 50 9.8 <0.50 <0.50 <5,000 <1,000 322 767 4.45 - 0.6/0.8 DW-2 02/17/2005 80 <50 <0.50 <0.50 <0.50 <0.5 _ _ 322 - - - 17 7.8 <5.0 <50 3.22 4.84 -1.62 1.4 DW-2(D) 02/17/2005 88 <Sp <0.50 <0.50 <0.50 <0.5 - - 18 7.9 - - <5.0 <50 - 322 DW-2 05/12/2005 - - - - - - - - - - DW-2 08/30/2005 73 - - - - - - - - 3.22 5.80 -2.58 - <50 <030 <0.50 <0.50 <0.50 - - 67 9.0 <50 <I00 3.22 7.05 -3.83 - - DW-2(D) 08/30/2005 70 <50 <0,50 <0.50 <0.50 <0.50 - <0.50 59 9.0 <0.50 <030 <50 <100 1.3 DW-2 11/30/2005 - - - - - - - 3.22 - - - - DW-2 02/02/2006 <50 89p <0.50 <030 <0.50 <1.0 - - - - - - - - - 3.21 7.41 4.20 - 6.0 DW-2 05/30/2006 - - - - - 18 lOn - - 60n <500 - 3.21 5.10 -1.89 - 2.9 DW-2 08/31/2006 140 <50 <0.50 <0.50 <0.50 <1.0 - 17 35 - 3.21 5.39 -2.18 - - DW-2 11/16/2006 - - - - - - - 60 <100 - 3.21 6.91 -3.70 - 1.75 DW-2 02/26/2007 <53 bb <50 <0.50 <1.0 <0.50 <1.06.- - .0 2-0. - - - - - 3.21 7.91 4.70 - 1.75 DW-2 05/29/2007 - - - - _ _ _ - - - �0 <l� - 3.21 6.20 -2.99 - 2.1 DW-2 08/27/2007 200 d,bb60 ee <p.50 c0.50 <0.50 <0.50 _ _ - - 3.21 6.81 -3.60 - - DW-2 11/29/2007 - - - - - 36 9.0 - - <50 <100 ee - 3.21 7.15 -3.94 - 2.1 3.21 7.04 -3.83 DW-2 02/22/2008 <50 bb <50 ee <0.50 <0.50 <030 <0.50 - <0.50 41 8.8 <0.50 <0.50 <50 <100 ee 3.21 5.45 -224 DW-2 05/21/2008 - - - - - - - - 1.69 DW-2 08/28/2008 60 53 - - - - - - - - 3.21 7.15 -3.94 - 1.69 0.32 r <1.0 <1.0 <1.0 - <1.0 45 9.6 <2.0 <2.0 <100 560 ee 321 7.16 -3.95 DW-2 11/06/2008 - - - - - _ _ - 1.34 DW-2 02/09/2009 Well nacc inaccessible -- 3.21 6.75 -3.54 - - DW-2 05/07/2009 - - - - - - _ - - - - - - - - 3.21 - - - - DW-2 08/31/200960 c50 <0.50 4.0 4.0 <1.0 _ _ - - 321 6.30 -3.09 - - 38 7.1 - - <100 <100 ee DW-2 11/12/2009 - - - - - _ - 3.21 6.85 -3.64 - 1.07 DW-2 02/03/2010 - _ _ _ _ _ - - - - 3.21 8.59 -5.38 - - 3.21 6.70 -3.49 DW-2 02/10/2010 95d 42((,r <0.50 4.0 <I.0 <1.0 - <1.0 24 6.0 <2.0 2.0 400 <100 ee 3.21 6.18 -2.97 1.37 DW-2 05/06/2010 - - - - - - _ _ - - DW-2 08/30/2010 130d <50 <0.50 4.0 <L0 <].0 - - 3.21 10.60 -7.39 - DW-2 12/03/2010 - - - - - - 21 6.6 - - 400 <100 ee - 3.21 7.60 4.39 - - - - _ _ _ _ 1.36 DW-2 02/18/2011 Unable to sample - - - - - - - - - 3.21 6.75 -3.54 - - DW-2 05/19/2011 63 - - - - - 3.21 5.20 -1.99 - <50 <0.50 <0.50 <0.50 <1.0 - - DW-2 09/07%1011 - - - - - - - _ 9.1 r 4.6 - - <I50 600 ee - 3.21 5.40 -2.19 - 1.21 DW-2 09/09/2011460 P 60 c0.50 <050 <0.50 <3.0 - 20 47 - - 6.15 6.54 -0.39 - - DW-2 12/06/2011 - - - - - - - - - 450 600 ee - 6.15 - - - 156 - 6.15 6.51 -0.36 - TW-1 06/30/2005 - - - - TW-1 08/30/2005 - - - - - - - - - - - - - - - - 12.91 - - - 1345 - - 0.6 TW-2 06/30/2005 - - - TW-2 •08/30/2005 - - - - - - - - - - - - - - - - 12.88 - - - 13.53 - - 0.2 TW-3 06/30/2005 - - - TW-3 08/30/2005 - _ - - - - - - - - - - - - - - 12.74 - - - aasimna - - - - - - - - 13.50 - - 0.5