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• P2of2 <br /> 9 <br /> Table 4 <br /> Groundwater Elevation and Analytical Data <br /> Former ARCO Service Station#4932 <br /> 16 E Harding Way,Stockton,CA <br /> Well Depth Groundwater Groundwater Ethyl- Xylenes <br /> Well Date Elevation to Water Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) Change(ft) (ug/L) (ug/L) (ug/L) OWL) (ug/L) (ug/L) (mg/L) <br /> SVE-1 9/5/00 P 1184 2645 -1447 -- 66,600 1,770 8,000 2,550 12,900 1,140' -- <br /> 11/2/00 P 2711 -1513 -066 4,750 152 469 164 823 212/1,200' 28 <br /> 3/5/01 P 26 40 -1456 0 57 72,300 2,090 10,100 2,710 14,800 12,100/3,720' 51 <br /> 5/8/01 P 26 04 -1420 036 45,300 1,560 5,170 1,850 9,490 6,900/4,930` 0 31 <br /> 7120101 P 2749 -1565 -145 Not sampled 0 01 ft free product present <br /> Notes <br /> TPHg=Total petroleum hydrocarbons as gasoline <br /> MtBE=Methyl tert butyl ether <br /> DO=Dissolved oxygen <br /> ft=feet <br /> MSL=mean sea level <br /> TOC=top of casing <br /> ug/L=micrograms per liter a <br /> mg/L=milligrams per liter <br /> P/NP=purged/not purged <br /> =analyzed using EPA Method 8260 <br /> <=below given laboratory detection limit <br /> =not measured or analyzed <br /> I <br /> 1 <br /> Project/ARCO/4932/Reportslrables/gwtables4932 As <br /> I <br />