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SIERRA <br /> Table 1 Water Level Data and Well Construction Details - Chevron Service Station #9-0959, 103 West 11th Street, Tracy, <br /> California <br /> Well Date D'IW TOC GWE Product Screen Sand Pack Bentonite/Grout <br /> ID Measured (ft) (ft) (msl) Thickness' Interval Interval Interval <br /> (ft) <----------------feet below grade---------------------------> <br /> MW-1 12/14/92 1101 9805 8704 0 5 - 20 3 - 215 2 - 3 <br /> 3/23/93 1027 8778 0 <br /> MW-2 12/14/92 985 97 11 8726 0 5 - 20 3 - 215 2 - 3 <br /> 3/23/93 911 88.00 0 <br /> MW-3 12/14/92 1089 9822 8733 0 55 - 19 3 - 215 2 - 3 <br /> 3/23/93 1006 8816 0 <br /> EXPLANATION NOTES <br /> DTW=Depth to water Top of casing elevations were compiled from the Environmental Assessment <br /> TOC=Top of casing elevation Report prepared for Chevron by Groundwater Technology Inc January 7 <br /> GWE=Ground water elevation 1993 <br /> msl=Measurements referenced relative to mean sea level <br /> -- =Not applicable Product thickness was measured with an MMC flees-dip interface probe <br /> 29904T WLD <br />