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i <br /> M _ON M <br /> SUBSURFACE SOIL AND GROUNDWATER ASSESSMENT REPORT <br /> TABLE 4 <br /> CONCENTRATIONS OF TOTAL PETROLEUM HYDROCARBONS AND <br /> VOLATILE ORGANIC COMPOUNDS IN SOIL AND GROUNDWATER SAMPLES <br /> (Samples Obtained on July 5,2000) <br /> SOIL SAMPLES WATER SAMPLES <br /> TP1S TP1S TP1S TP-1S TP-2S TP-2S TP-3S TP-4S TP-4S TP-5S TP-5S <br /> SAMPLE* 12' 16' 20' 24' 14' 16' 20' 15' 20' 16' 20' TP-1W TP-2W TP-3W TP-4W TP-5W <br /> PETROLEUM HYDROCARBONS—SOIL in milligrams per lino ram(mg/kg) WATER in micro rams per Liter(u <br /> Benzene <0 005 1 <0 005 1<0 005 <0 005 1 <0 005 <0 005 1 <0 005 <0 005 <0 005 <0 005 <0 005 <05 1 <0 5 <0 5 <0 5 <0 5 <br /> Toluene <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 5 <0 5 <0 5 <0 5 <0 5 <br /> Ethylbenzene <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 5 <0 5 <0 5 <0 5 <0 5 <br /> Xylenes <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 005 <0 5 <0 5 <0 5 <0 5 <0 5 <br /> TPH as Gas I <10 <10 <10 <10 <1 0 <10 <10 <10 <10 <1 0 <10 <50 <50 <50 <50 <50 <br /> OXYGENATED VOLATILE ORGANICS —SOIL in micro ramsper kilo ram(u ) WATER in micro rams per Liter(u ) <br /> MTBE <5 0 <5 0 <5 0 <5 0 <5 0 <50 <5 0 11 <5 0 AO < <1 0 <1 0 <1 0 1,300 14 <br /> DME <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <1 0 <10 <1 0 <25 <10 <br /> ETBE <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <10 <10 <10 <25 <10 <br /> TAME <5 0 <5D <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <5 0 <10 <10 <10 <25 <1 0 <br /> TBA <25 <25 <25 <25 <25 <25 <25 <25 <25 <5 0 <5 0 <50 <130 <5 0 <br /> *S=Soil Samples and W=Water Samples <br /> Concentrations above detection limits shown in bold <br /> <0 005 indicates that constituent was not detected above indicated reporting limit <br /> mg/kg=parts per million(ppm) <br /> ug/kg=parts per billion(ppb) <br /> u /L=parts per billion(ppb) <br /> I <br /> Subsurface Soil and Groundwater Assessment ESA/200252 <br /> 1081 W Mendocino Avenue Stockton California 12 August 25 2000 <br />