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j TABLE 4 <br /> ANALYTICAL RESULTS -GROUNDWATER(CPT BORINGS) <br /> Former Stefano's Gas Station Site, 1419 East Charter Way, Stockton, California <br /> OXYGENATES <br /> SAMPLE DATE SAMPLE ETHYL- <br /> - LOCATION SAMPLED DEPTH TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPS ETBE TAME TBA 1,2-DCA EDB <br /> CPT-1 04125!00 64 6,700 76 61 53 280 ND<O 5 ND<O 5 ND<0 5 ND<0 5 ND<5 11 ND<O 5 <br /> CPT-1A 02/20/02 60 69,000 210 1,000 840 5,300 ND<20 ND<20 ND<20 ND<20 ND<200 ND<20 ND<20 <br /> 105 110 17 13 22 16 N0Q 5 ND<O 5 ND<O S ND<O 5 ND<5 ND<O 5 ND<O 5 <br /> CPT-2 02/21/02 60 54 ND<O 5 ND<0 5 ND<0 5 1 ND<O 5 11 ND<0 5 ND<0 5 ND<O 5 ND<O 5 ND<5 44 ND<O 5 <br /> 115 180 33 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<O 5 ND<5 12 ND<O 5 <br /> I <br /> 130 ND<50 ND<0 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<O 5 ND<0 5 ND<5 ND<0 5 ND<O 5 <br /> NOTES All results except are reported in micrograms per liter(ugA)which translates to parts per bdrion(ppb) <br /> Sample depths in feet below ground surface <br /> Total Petroleum Hydrocarbons as Gasoline(TPH-G) benzene toluene,ethylbenzene xylenes(BTEX)by EPA Method 82606 <br /> Oxygenates Methyl-t-butyl ether(MTBE),Ddsopropyl ether(DIPS) Ethyl-t-butyl ether(ETBE) Tert-amyl methyl ether(TAME)and Tert-Butanol(TBA)by EPA 82608 <br /> 1 2-dibromoethene(EDB)and 1 2-dichloroethane(1 2-DCA)by EPA Method 82608 <br /> ND<50=Not Detected at reporting limit of 50 ppb <br /> 5 <br />