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TABLE 3 Page 1 of 11 GROUNDWATER DATA INDEPENDENT SHELL-BRANDED SERVICE STATION 4315 WATERLOO ROAD STOCKTON,CALIFORNIA MTBE MTBE 1,2- Depth to GW Well ID Date TPPH B T E X 8020 8260 TBA DIPE ETBE TAME DCA EDB Ethanol, TOC Water Elevation µSZ µ8Z µSZ µ8Z µ8Z µ8Z µ8Z µ8Z µ8Z µ8Z µ8Z µSZ µ81L µ8Z ft MSL f t TOC ft MSL MW-1 10/27/1999 75.8 <0.500 <0.500 <0.500 <0.500 22.1 21.1 <100 <2.00 <2.00 <2.00 <2.00 <2.00 - - 59.37 - MW-1 1/6/2000 <50.0 <0.500. <0.500 <0.500 <0.500 16.8 17.2 - - - - - - - 58.11 - MW-1 4/18/2000 <50.0 <0.500 <0.500 <0.500 <0.500 15.0 16.8 - - - - - - - - 49.95 - 1 MW-1 7/27/2000 <50.0 <0.500 <0.500 <0.500 <0.500 45.2 44.1 - - - - - - - - 56.80 - MW-1 10/19/2000 <50.0 <0.500 <0.500 <0.500 <0.500 61.1 65.9 - - - - - - - - 59.67 - MW-1 1/16/2001 53.2 <0.500 <0.500 <0.500 1.31 151 136 - - - - - - - - 58.40 - MW-1 4/12/2001 <50.0 <0.500 <0.500 <0.500 <0.500 189 164 - - - - - - - - 57.20 - MW-1 7/23/2001 <50 <0.50 <0.50 <0.50 <0.50 - 97 - - - - - - - - 62.04 - MW-1 11/16/2001 61 <0.50 <0.50 <0.50 <0.50 - 34 <50 <2.0 <2.0 <2.0 <2.0 <2.0 <500 31.69 65.26 -33.57 MW-1 1/23/2002 140 <0.50 <0.50 <0.50 <0.50 - 250 <50 <2.0 <2.0 <2.0 <2.0 <2.0 - 31.69 62.51 -30.82 MW-1 4/18/2002 . <100 <1.0 <1.0 <1.0 <1.0 - 550 63 <2.0 <2.0 <2.0 <2.0 <2.0 - 31.69 61.48 -29.79 MW-1 7/31/2002 76 <0.50 <0.50 <0.50 <0.50 - 63 <50 <2.0 <2.0 <2.0 <2.0 <2.0 - 31.69 67.69 -36.00 MW-1 10/11/2002 210 <0.50 <0.50 <0.50 <0.50 - 41 <50 - - - - - - 31.69 70.09 -38.40 MW-1 1/3/2003 <50 <0.50 <0.50 <0.50 <0.50 - 26 <50 - - - - - - 31.69 67.34 -35.65 MW-1 04/10/2003 a 100 <0.50 <0.50 <0.50 <0.50 - 190 64 - - - - - - 31.52 64.96 -33.44 MW-1 7/11/2003 <50 <0.50 <0.50 <0.50 <1.0 - 50 17 - - - - - - 31.52 68.42 -36.90 MW-1 10/30/2003 240 <0.50 <0.50 <0.50 <1.0 - 46 65 - - - - - - 31.52 70.13 -38.61 MW-1 1/26/2004 170 b <0.50 <0.50 <0.50 <1.0 - 74 9.8 - - - - - - 31.52 67.55 -36.03 MW-1 4/28/2004 230 b <0.50 <0.50 <0.50 <1.0 - 130 340 - - - - - - 31.52 66.70 -35.18 MW-1 7/2/2004 77 b <0.50 <0.50 <0.50 <1.0 - 28 <5.0 <2.0 <2.0 <2.0 - - <50 31.52 70.50 -38.98 MW-1 12/13/2004 Well dry - - - - - - - - - - - - - 31.52 - - MW-1 1/5/2005 Well dry - - - - - - - - - - - - - 31.52 - - MW-1 3/7/2005 100 <0.50 <0.50 <0.50 <1.0 - 52 18 c - - - - - - 31.52 68.22 -36.70 MW-1 6/1/2005 <1,300 <13 <13 <13 <25 - 2,700 1,300 - - - - - - 31.52 65.15 -33.63 MW-1 9/20/2005 81 e <0.50 <0.50 <0.50 <1.0 - 130 <5.0 <2.0 <2.0 <2.0 - - <50 31.52 70.78 -39.26 MW-1 12/19/2005 190 <0.50 <0.50 <0.50 <1.0 - 1,700 f 3,700 f - - - - - - 31.52 65.48 -33.96 MW-1 3/22/2006 310 <5.0 <10 <10 <10 - 240 3,800 - - - <5.0 - - 31.52 59.30 -27.78 MW-1 5/31/2006 690 h <0.50 <0.50 <0.50 <0.50 - 850 2,400 - - - - - - 31.52 54.06 -22.54 MW-1 9/25/2006 170 <0.50 <0.50 <0.50 <1.0 - 3.7 4,000 i <2.0 <2.0 <2.0 - - <50 31.52 59.84 -28.32 MW-1 12/11/2006 120 <0.50 <0.50 <0.50 <1.0 - 17 2,400 - - - - - - 31.52 58.24 -26.72 MW-1 3/14/2007 240 <0.50 <0.50 <0.50 <1.0 - 11 5,400 - - - - - - 31.52 58.64 -27.12 CRA241359(16)