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TABLE 1 <br /> Groundwater Monitoring Data <br /> • 8960 W Walnut Grove Road <br /> Thornton, CA <br /> (infeet) <br /> Date ' Well II} RR <br /> Wellhead Elevation ' Depth to Water Grv�ndwa#e Elevation <br /> ' ] <br /> 05/21/01 MW1 800 896 -096 <br /> MW2 726 799 -073 <br /> MW3 794 900 -106 <br /> MW4 666 770 -104 <br /> 09/07/01 MW1 800 856 -056 <br /> MW2 726 762 -036 <br /> MW3 794 860 -066 <br /> MW4 666 725 -059 <br /> 12/13/01 MW1 800 949 -149 <br /> MW2 726 877 -1 51 <br /> MW3 794 948 -154 <br /> MW4 666 816 -150 <br /> 03/14/02 MWl 1049 764 285 <br /> MW2 978 691 287 <br /> MW3 1045 758 287 <br /> MW4 9 15 626 289 <br /> 06/19/02 MWl 1049 834 2 15 <br /> MW2 978 735 243 <br /> MW3 1045 839 206 <br /> MW4 9 15 706 209 <br /> Notes <br /> Wellheads surveyed relative to arbitrary datum based on USGS Thornton 7 5 minute topographic quadrangle <br /> 2Wellheads resurveyed relative to NAVD88,Morrow Surveying,February 2002 <br /> • <br />