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i abl <br /> Groundwater MN itoring Data <br /> A. 'Teichert & Son, Inc., Facility <br /> 103 North E Street, Stockton, California Page 3 of <br /> Date Depth to Top of Casing Groundwater <br /> Well Monitored Groundwater ft Elevation Elevation TPHG Benzene Toluene Ethylbenzene Xylenes <br /> W-12 08/24/92 80.51 19.69 -60.82 ND ND ND ND ND <br /> W-12 12/03/92 76.91 19.69 -57.22 ND ND ND ND ND <br /> W-12 02/22/93 73.83 19.69 -54.14 ND ND ND ND ND <br /> W-12 05/10/93 71.63 19.69 -51.94 ND ND ND ND ND <br /> W-12 07/26/93 73.56 19.69 -53.87 ND ND ND ND ND <br /> W-12 11/24/93 71.70 19.69 -52.01 ND ND ND ND ND <br /> W-12 02/28/94 69.14 19.69 -49.45 ND ND ND ND ND <br /> W-12 07/05/94 68.07 19.69 -48.38 ND ND ND ND ND <br /> W-12 09/19/94 72.18 20.27 -51.91 ND ND ND ND ND <br /> W-12 12/19/94 69.04 20.27 -48.77 <50 <0.3 <0.3 <0.3 4.5 <br /> W-12 02/22/95 N/M --- --- NS NS NS NS NS <br /> W-12 03/16/95 66.80 20.27 -46.53 <50 <0.3 <0.3 <0.3 0.74 <br /> W-12 05/30/95 64.82 20.27 -44.55 NS NS NS NS NS <br /> W-12 08/30/95 65.71 20.27 -45.44 NS NS NS NS NS <br /> MW-12 11/13/95 64.88 20.27 -44.61 NS NS NS NS NS <br /> W-12 02/02/96 62.15 20.27 -41.88 NS NS NS NS NS <br /> W-12 04/16/96 58.43 20.27 -38.16 NS NS NS NS NS <br /> W-12 05/17/96 58.10 2027 -37.83 NS NS NS NS NS <br /> W-12 09/14/98 49.78 20.27 -29.51 NS NS NS NS NS <br /> W-12 03/16/99 45.04 20.27 -24.77 <50 <0.5 <0.5 <0.5 <0.5 <br /> i <br /> W-13 08/24/92 80.18 19.5 -60.68 19000 580 3000 440 3100 <br /> W-13 12/03/92 76.71 19.5 -57.21 8800 490 300 33 470 <br /> W-13 02/22/93 73.58 19.5 -54.08 6600 460 110 ND 110 <br /> W-13 05/10/93 71.34 19.5 -51.84 7200 920 42 17 33 <br /> W-13 07/26/93 73.28 19.5 -53.78 4500 170 21 22 20 <br /> W-13 11/24/93 71.44 19.5 -51.94 1500 50 3.7 1.5 15 <br /> W-13 02/28/94 68.86 19.5 -49.36 ND ND ND ND ND <br /> W-13 07/05/94 67.80 19.5 -48.30 NS NS NS NS NS <br /> W-13 09/19/94 71.27 19.41 -51.86 21.00 70 ND 20 10 <br /> W-13 12/19/94 68.76 19.99 -48.77 1100 33 60 9.5 59 <br /> W-13 02/22/95 N/M --- --- NS NS NS NS NS <br /> W-13 03/16/95 63.34 19.99 -43.35 NS NS NS NS NS <br /> W-13 05/30/95 Well Dry NS NS NS NS NS <br /> W-13 08/30/95 Well Dry NS NS NS NS NS <br /> CPIE:ITEICHERT\QTRLYISTKNQ 199.XLS P' C�e <br />