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TABLE3 Page 52 of 66 HISTORICAL GROUNDWATER DATA SHELL STOCKTON TERMINAL 3515 NAVY DRIVE,STOCKTON,CALIFORNIA MTBE MTBE Depth to GW SPH WellID Dare TPHd TPHg B T E X 8020 8260 TEA DIPS ETBE TAME Ethanol Methanol Lead TOC Water Elea. Thickness DO (ag/L) W&V (p&V (ir/L) OJ&4,) 4+821 fa8/L) OWL) OWL) owu (µ4,L) 6lgT) tv87L1 OWE) (n9/L) (ft MSL) (it TOC) (ft MSL) (it) (HWL) MW-29 08/30/2005 360 360 70 <0.50 <0.50 <0.50 - <0.50 <5 1.4 - - .70 -200 - 2.5 13.71 15 MW-29 11/30/2005 - - - - - - - - - - 13.62 15.17 -2.55 MW-29 02/02/2006 1101 <500 29 <5.0 <5.0 <10 - <5.0 <50 <20n - - 13.62 14.25 -0.63 - 1.7 MW-29 05/30/2006 - - - - - - - - 13.62 13.55 0.07 MW-29 08/31/2006 450 840 43 <0.50 <0.50 <1.0 - 0.87 <5.0 <2.0 13.62 15.16 -1.54 - 3.1 MW-29 11/16/2006 - - - - - - - _ _ _ - - - - - MW-29 02/26/2007 490 bb 860 140 13 1.1 <1.0 - 0.61 5.6 <20 - 13.62 15.51 -1.89 - 3.1 _ 13.62 15.15 -153 - 128 MW-29 05/29/2007 - - - - - - - - 13.62 15.62 -2.00 MW-29 08/27/2007 650 d,bb 1,400 ee 96 <25 0.62r <25 - <2.5 <50 2.0r MW-29 11/29/2007 - - - - - - - 13.62 15.90 -2.28 - 0.16 - - - - 13.62 15.86 -224 MW-29 02/22/2008 85 d,bb 410 ee 16 <0.50 021r 0.17r - 0.32r <10 0.85 <0.50 <0.50 <5013.62 14.62 -1.00 - 1.5 MW-29 05/21/2008 - - - - - - - - 13.62 15.20 -1.58 MW-29 08/28/2008 250 d 620 24 4.0 <1.0 0.68 r ff - <1.0 8.3 r 1.9 r <20 <2.0 13.62 15.73 -2.11 - 1.5 MW-29 11/06/2008 - - - - - - - - - - - 13.62 15.72 -210 MW-29 02/09/2009 - - - - - - - - 13.62 15.23 " -1.61 - 0.30 MW-29 02/10/2009 100 d 420 28 0.49 r 0.37 r <1.0 - <1.0 <10 0.98 r <2.0 <2.0 <10.0 gg 13.62 MW-29 05/07/2009 - - - - - - - - 13.62 15.02 -1.40 - MW-29 08/31/2009 180 d 550 11 0.33 r 0.26 r <1.0 - 0.73 r 6.0 r 1.3 r - - 13.62 15.65 -203 - 2.08 MW-29 11/12/2009 - - - - - - - - - - - - - 13.62 15.48 -1.86 MW-29 02/03/2010 - - - - - - - - - - - - - 13.62 14.72 -1.10 MW-29 02/10/2010 <50 190 23 Q.0 <1.0 <1.0 - <1.0 <10 0.59r <20 <2.0 13.62 14.59 -0.97 - p,7g MW-29 05/06/2010 - - - - - - - - - _ - - - 13.62 14.45 -0.83 MW-29 08/30/2010 - - - - - - - 13.62 15.40 -1.78 MW-29 08/31/2010 180 d 900 If 20 0.58 r 0.48 r 0.46 r - <1.0 <10 21 - - 13.62 0.86 MW-29 12/03/2010 - - - - - - - - - - - - - - 13.62 15.40 -1.78 MW-29 02/18/2011 Well inaccessible - - - - - - - - - - - 13.62 - MW-29 05/19/2011 - - - - - - - - - - - - - - 13.62 14.04 -0.42 - MW-29 09/07/2011 - - - - - - - - 16.56 15.42 0.4 MW-29 09/08/2011 180 500 6.0 <0.50 0.29r <1.0 - <1.0 8.Or 1.9 - 16.56 MW-29 12/06/2011 - - - - - - - - - - - - - - 1.66 - 1656 15.36 1.20 - - MW-30 10/26/2000 - - MW-30 11/02/2000 288 1,190 <0.500 1.79 3.64 1.73 <2.50 - - - 11.77 14.21 -244 - - - - 11.77 14.06 -2.29 MW-30 01/25/2001 91.4 162 38.0 <0.500 3.67 0.785 <2.50 - - - 11.77 13.80 -2.03 MW-30 05/31/2001 100 60 <0.50 <0.50 <0.50 <0.50 - <030 - - - 10.77 13.36 -261 MW-30 08/06/2001 <200 210 <0.50 <0.50 <0.50 <0.50 - <0.50 <5.0 <0.50 <0.50 <0.50 <5.0. <50 10.77 14.05 -328 MW-30 11/20/2001 <50 <50 <0.50 <0.50 <0.50 <20 - <0.50 G5.0 <0.50 <0.50 <0.50 G5.0 <50 10.77 14.30 3.53 MW-30 02/21/2002 80 <50 <0.50 <0.50 <0.50 <0.50 - <0.50 - - - - 10.77 15.35 4.58 MW-30 05/22/2002 <50 60 <0.50 <0.50 <0.50 <0.50 - <0.50 - - - - - 1437 15.95 -1.58 MW-30 08/19/2002 170 <50 <0.50 <0.50 <030 ¢0 <0.50 - - - - - 14.37 16.78 -241 - - MW-30 11/20/2002 160 <50 <030 <0.50 <0.50 <20 <0.50 - - - 14.37 16.71 -234 MW-30 02/20/2003 71 <50 <0.50 <0.50 <0.50 <20 - <0.50 - - - - 14.37 15.48 -1.11 MW-30 05/30/2003 180 <50 <0.50 <0.50 <0.50 <20 - <0.50 - - - - 14.37 16.06 -1.69 MW30 08/13/2003 82d <50 <0.50 <0.50 <0.50 <1.0 - <0.50 - - - 14.37 16.74 -237 MW-30 11/06/2003 <56 <50 <0.50 <0.50 <0.50 <1.0 - <0.50 - - - - - - - 14.37 17.18 -281