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TABLE 1-GROUNDWATER CHEMICAL ANALYTICAL DATA <br /> Former 76 Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> ANALYTICAL LABORATORY. <br /> ppb=parts per billion Sequoia Analytical,Walnut Creek,CA(ELAP#1271) <br /> <100=analyte not detected at or above the laboratories reporting limit Sequoia Analytical, San Carlos,CA(ELAP#2360) <br /> Sequoia Analytical, Sacramento,CA(ELAP#1624) <br /> *=Sample from quarterly monitoring data Sequoia Analytical,Morgan Hill,CA(ELAP#1210) <br /> =Samples analyzed using EPA Method 8260B STL, San Francisco, (ELAP#CA 2496) <br /> z=Laboratory report indicates gasoline C6-C 12 <br /> 3=Laboratory report indicates weathered gasoline C6-C12 <br /> ANALYTICAL METHODS: <br /> TPHg=Total Petroleum Hydrocarbons as gasoline according to EPA Method 8015B or 8260B <br /> Benzene,Toluene,Ethylbenzene,and Total Xylenes according to EPA Method 8021B or 8260B <br /> MtBE= methyl tertiary butyl ether according to EPA Method 8021B or 8260B <br />