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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-1 06/03/93 2752 68 14 000 -4062 <br /> (80 50) 09/20/93 (65 50-80 50)* 7231 000 -4479 <br /> 01/27/94 7482 000 -4730 <br /> 04/21/94 7027 000 -4275 <br /> 08/01/94 66 32 000 -38 80 <br /> 12/13/94 6958 000 -4206 <br /> 03/29/95 53 23 000 -2571 <br /> 08/31/95 59 33 000 -31 81 <br /> 12/19/95 55 95 000 -2843 <br /> 04/05/96 48 99 000 -21 47 <br /> 06/27/96 55 07 000 -2755 <br /> 07/25/96 56 84 000 -2932 <br /> 12/03/96 6064 000 -33 12 <br /> 03/27/97 4734 000 -1982 <br /> 07/03/97 53 04 000 -25 52 <br /> 10/10/97 59 16 000 -31 64 <br /> 01/28/98 53 85 000 -26 33 <br /> 06/05/98 38 75 000 -11 23 <br /> 06/08/99 4250 000 -1498 <br /> 03/28/00 3653 000 -901 <br /> 09/21/00 4890 000 -21 38 <br /> 12/12/00 50 14 000 -2262 <br /> 03/06/01 4827 000 -2075 <br /> 05/09/01 49 19 000 -21 67 <br /> 08/14/01 5402 000 -2650 <br /> 11/07/01 57 11 000 -2959 <br /> 02/06/02 53 91 000 -2639 <br /> 05/09/02 54 16 000 -2664 <br /> 08/01/02 5822 000 -3070 <br /> ' Mean Sea Level <br /> *Approximate depth below grade for the screen interval <br />