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Table 1 <br /> Groundwater Elevation and Analytical Data _ <br /> ConocoPhillips(Former BP) Station No 11193 <br /> 3202 W Hammer Lane, Stockton, California <br /> Well Date of PIN 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 (uglL) (ug/L) (ug/L) (uglL) (ug/L) (ug1L) (ug1L) (uglL) (ug/L) (ppm) <br /> (Feet) (Feet) (Feet) Change <br /> (Feet) <br /> QC-2 4120194 — -- -- -- ND<50 -- -- ND<0 5 ND<O 5 ND<0 5 ND<O 5 -- --- -- <br /> (cont) 7128194 - -- --- — ND<50 -- — ND<0 5 ND<O 5 ND<O 5 ND<O 5 -- — -- <br /> 1219194 -- — -- — ND<50 -- -- ND<O 5 ND<O 5 ND<O 5 NO<1 -- -- --- <br /> 313195 - _— -- — ND<50 -- — ND<O50 ND<O50 ND<050 ND<10 -- — -- <br /> 4112195 -- -- -- — ND<50 -- — ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- — -- <br /> 7/20/95 -- — — -- ND<50 -- — ND<O 50 ND<O 50 ND<O 50 ND<1 0 -- -- --- <br /> 1112195 -- — -- — ND<50 — -- ND<0 5 ND<O 5 ND<O 5 ND<1 0 ND<5 0 — _-- <br /> 1116196 -- — -- -- ND<50 -- -- ND<0 50 ND<O 50 ND<O 50 ND<1 0 ND<5 0 --- -- <br /> 4122196 -- -- -- — ND<50 -- -- ND<0 5 ND<1 ND<1 ND<1 ND<10 — -- <br /> 7/12196 -- --- -- — ND<50 -- -- ND<05 ND<1 ND<1 ND<1 ND<10 — -Notes- <br /> III Volatile organic compounds(VOCs)(EPA 82608),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 to VOA vial <br /> Analysis conducted in excess of EPA recommended hold time,results should be considered biased low <br /> [5] Napthalene <br /> 161 Discrete Peak Q MtBE <br /> [71 Hydrocarbon reported in the gasoline range does not match our gasoline standard <br /> PINP Purge/No Purge <br /> -- Not measuredlanalyzedlapplicable <br /> B Benzene <br /> Db Dissolved oxygen <br /> E Ethylbenzene <br /> VOC Halogenated volatile organic compounds <br /> MtBE Methyl tert butyl ether <br /> NO 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 /> 11ConocoPhillips7osco Marketjng1111931Tables111193 3QMR03 xls Page 11 of 11 <br />