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TOE I <br /> Groundwater Monitoring and Analytical Data <br /> ARCO Service Station No 2130 <br /> 7906 North EI Dorado Street, Stockton,California <br /> Elevation Top of Static Water Groundwater Ethyl- Total <br /> Well Toc Screen Level Elevation TPHg Benzene Toluene benzene Xylene MtBE <br /> Number Date (feet msl) (ft btc) (ft btc) (feet msl) pglL p911. P91L pg/L A91L p91L <br /> MW-2 2/28/1995 1519 6000 5508 39 89 110 <0 5 <0 5 <0 5 <0 5 NA <br /> 5/19/1995 1519 5315 -3796 400 23 <0 5 21 <0 5 NA <br /> 8/26/1995 1519 5483 -3964 650 84 <1* 93 1 1 NA <br /> 12/7/1995 1519 5347 -3828 540 18 <1* 3 <1* NA <br /> 2/5/1996 1519 51 93 3674 310 2 8 06 1 3 0 8 NA <br /> 5/30/1996 1519 47 91 -3272 510 31 1 0 5 9 13 <7** <br /> 9/18/1996 1519 5180 -3661 920 150 <2 5* 22 35 <15* <br /> 11/26/1996 1519 4960 -3441 520 21 <0 5 27 0 6 7 <br /> 3/24/1997 1519 4450 -2931 <500*** <3** <3** <3** <3** <20** <br /> 5/20/1997 1519 4509 -2990 720 71 <1* 13 1 1 <6* <br /> 8/19/1997 1519 4869 33 50 1,200 240 <5 41 <5 <50** <br /> 11/19/1997 1519 46 77 -3158 <50 17 089 <0 5 087 <5 <br /> 3/4/1998 1519 4215 26 99 <50 2 2 <0 5 <0 5 <0 5 51 <br /> 6/26/1998 1519 39 87 -2468 53 4 365 <0 5 <0 5 1 12 6 52 <br /> 9/1/1998 1519 41 61 -2642 322 484 <0 5 169 1 67 <5 <br /> 12(2/1998 1519 3894 23 75 390 <0 5 <0 5 0 735 <0 5 158 <br /> 3/31/1999 1519 3538 -2019 987 66 069 0 579 2 33 655 <br /> 6/4/1999 1519 3667 -21 48 184 11 9 <0 5 103 0 569 126 <br /> 9/2/1999 1519 41 23 2604 4,820 764 <10 375 <10 191 <br /> 11/29/1999 1619 3936 2417 791 425 <0 5 <0 5 1 14 6 54 <br /> 3/16/2000 1519 3539 -2020 <50 <0 5 <0 5 <0 5 <0 5 289 <br /> 6/26/2000 1519 37 99 -2280 435 33 0 588 122 206 6 312] <br /> 9/26/2000 1519 4224 2705 165[3] 658 <0 5 0 618 0 669 3 62[2] <br /> 12/19/2000 1519 3792 2273 <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 3/15/2001 1519 3,573 -2054 <50 <2[4] <2(4) <2[4] <2[4] <2[2) <br /> 6/20/2001 1519 3899 -2380 <50 <2[4] <2[4) <2[4] <2[4] <2121 <br /> 9/12/2001 1519 4329 2810 <50 <2[4] <2[4] <2[41 <2[4] <2[2] <br /> 12/12/2001 1519 4020 2501 <50 <1 0[4] <1 0[4) <1 0[4] <1 0[4] 1 2[2] <br /> 3/13/2002 1519 3721 -2202 <50 062 <0 50 <0 50 <0 50 2 5[2] <br /> 6/18/2002 1519 3738 -2219 <50 150 <0 50 <0 50 1 70 2 6[2] <br /> 9/11/2002 1519 4449 2930 <50 1 1 <0 50 <0 50 <0 50 3 0[2] <br /> 12/18/2002 1519 4194 2675 <50 <0 50 <0 50 <0 50 <0 50 2 512) <br /> 3/6/2003 1519 3955 -2436 <50 <0 5 <0 5 <0 5 <0 5 0 6121 <br /> 6/11/2003 1519 3899 -2380 <50 <0 5 <0 5 <0 5 <0 5 <0 5[2] <br /> 9/23/2003 1519 42 97 -2778 <50 <0 5 <0 5 <0 5 <0 5 <0 5[2] <br /> 12/9/2003 1519 4199 -2680 <50 <0 5 <0 5 <05 <0 5 <0 5[2] <br /> K 1WprocessWS BP ARC0W21301Quarte"QTR 0312130 GWMR 4003 2 of 13 <br />