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Table i <br /> Groundwater Elevation and Analytical Data <br /> ConocoPhillips(Former BP)Station No 11193 <br /> 3202 W Hammer Lane, Stockton, Califomia <br /> Well Date of P/NP Well Depth to Groundwater Groundwater TPH G TPH-D TPH B T E X MtBE VOCs[1] DO <br /> Number Sampling Elevation Water Elevation Elevation (ug/L) (ug/L) (ug/L) (ug/L) (uglL) (ug/L) (ug/L) (ug/L) (ug/L) (ppm) <br /> (Feet) (Feet) (Feet) Change <br /> (Feet) <br /> QC-2 4/12/1995 --- --- --- – ND<50 --- --- ND<0 50 ND<O 50 ND<0 50 ND<l 0 --- --- --- <br /> (cont) 7/20/995 --- - --- -- ND<50 --- --- ND<O 50 ND<0 50 ND<0 50 ND<i 0 <br /> 11/2/1995 - --- - ND<50 --- --- ND<0 5 ND<O 5 ND<O 5 ND<1 0 ND<5 0 --- <br /> 1/16/1996 --- --- — - ND<50 --- ND<0 50 ND<O 50 ND<O 50 ND<1 0 ND<5 0 <br /> 4/22/1996 -- -- ND<50 --- --- ND<0 5 ND<i ND<1 ND<1 ND<10 --- --- <br /> 7/12/1996 --- --- --- - ND<50 --- --- ND<0 5 ND<1 ND<1 ND<1 ND<10 --- <br /> Notes. <br /> --Not .. <br /> [1] Volable organic compounds(VOCs)(EPA 8260B),not inlcuding BTEX and oxygenates <br /> [2] Halogenated volatile organic compounds only <br /> [3] Analysis conducted in excess of EPA recommended hold time,results should be considered biased low <br /> [4] Lab reports significant headspace in VOA vial <br /> Analysis conducted in excess of EPA recommended hold bme,results should be considered biased low <br /> [5] Napthalene <br /> [6] Discrete Peak® MtBE <br /> P/NP Purge/No Purge <br /> --- Not measured/analyzed/applicable <br /> B Benzene <br /> DO Dissolved oxygen <br /> E Ethylbenzene <br /> VOC Halogenated volatile organic compounds <br /> MtBE Methyl tert butyl ether <br /> ND Not detected above reported detection limit <br /> ppm Parts per million <br /> T Toluene <br /> TPH-D Total petroleum hydrocarbons as diesel <br /> TPH-G Total petroleum hydrocarbons as gasoline <br /> ug/L Micrograms per liter <br /> X Total xylenes <br /> I <br /> 11Conloillips\Tosco Marketing1111931Tables111193 2QMR03 As i loll of 11 <br />