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TABLE 1 <br /> Historical Potentiometric Surface Elevations <br /> . Compass Group USA, Inc. <br /> 1500 Shaw Road Facility <br /> Stockton, California <br /> (all measurements in feet) <br /> Well/Well Casing Hydrocarbon Corrected <br /> Depth Date Elevation /Screen Depth to Water Thickness Elevation <br /> Interval <br /> MW-12 10/10/97 2344 55 43 000 -31 99 <br /> (90 00) 01/28/98 (65 00-90 00)* 50 73 000 -2729 <br /> 06/05/98 3627 000 -1283 <br /> 06/08/99 39 10 000 -1566 <br /> 03/28/00 34 18 000 -1074 <br /> 09/21/00 45 22 000 -21 78 <br /> 12/12/00 4640 000 -2296 <br /> 03/06/01 4491 000 -2147 <br /> 05/09/01 45 46 000 -2202 <br /> 08/14/01 5021 000 -2677 <br /> 11/07/01 53 24 000 -2980 <br /> 02/06/02 5009 000 -2665 <br /> 05/09/02 5034 000 -2690 <br /> 08/01/02 5428 000 -3084 <br /> 10/31/02 5734 000 -3390 <br /> 12/30/02 55 35 000 -31 91 <br /> 02/13/03 5752 000 -3408 <br /> 05/27/03 54 12 000 -3068 <br /> 08/13/03 5600 000 -3256 <br /> MW-13 06/08/99 2662 41 76 000 -15 14 <br /> (59 00) 03/28/00 (39 00-59 00)* 35 93 000 -9 31 <br /> 09/21/00 48 11 000 -21 49 <br /> 12/12/00 4946 000 -2284 <br /> 03/06/01 4752 000 -20 90 <br /> 05/09/01 48 38 000 -21 76 <br /> 08/14/01 5320 000 -2658 <br /> 11/07/01 5628 000 -2966 <br /> 02/06/02 53 07 000 -2645 <br /> 05/09/02 53 32 000 -2670 <br /> 08/01/02 5722 000 -3060 <br /> 10/31/02 Well dry <br /> 12/30/02 No access to well <br /> 02/13/03 57 38 000 -3076 <br /> 05/27/03 57 11 000 -3049 <br /> 08/13/03 Well dry <br /> Mean Sea Level <br /> * Approximate depth below grade for the screen interval <br />