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Table 2 <br /> GROUNDWATER DISSOLVED OXYGEN CONTENT <br /> Conrady Service Station <br /> 1002 North Yoserrute Street <br /> Stockton,California <br /> Sample Date TOC DTW GWE DO TPHg <br /> No (feet) (feet) (feet) (mg/1) (ppb) <br /> MW-1 3/21/97 9678 1531 8147 200 60 <br /> 6/16/97 9678 1635 8043 135 ND<50* <br /> MW-2 3/21/97 9704 1558 8146 130 23,000 <br /> 6/16/97 9704 1662 8042 025 66,000* <br /> MW-3 3/21/97 9693 1489 8204 190 ND<50 <br /> 6/16/97 9693 1605 8088 113 ND<50 <br /> MW-4 3/21/97 9706 1576 8130 210 ND<50 <br /> 6/16/97 9706 1679 8027 340 ND<50 <br /> MW-5 3/21/97 9643 1515 8128 180 80 <br /> 6/16/97 9643 1613 8030 080 ND<50 <br /> MW-6 3/21/97 9642 1524 8118 230 ND<50 <br /> 6/16/97 9642 1619 8023 205 ND<50 <br /> Notes <br /> TOC Top of casing referenced to temporary benchmark(project datum= 100') <br /> DTW Depth to water <br /> GWE Groundwater elevation(TOC-DTW) <br /> DO Dissolved oxygen measured m purge water <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA Method 8015 (modified) <br /> ND<50 Not detected in concentrations exceeding the indicated reporting limit <br /> ppb Parts per billion <br /> mg/l Milligrams per liter <br /> * Analytical results from July 9, 1997 resampling event(MW-1 and MW-2 only) <br /> Dissolved oxygen measured on June 16, 1997 <br /> Page 1 of 1 <br />