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WMM M � TABLE 1 CUMULATIVE ANALYTICAL RESULTS-SOIL San Joaquin County Courthouse,222 E Weber Avenue, Stockton, California OXYGENATES SAMPLE DATE SAMPLE SAMPLE ETHYL- TOTAL LOCATION SAMPLED ID DEPTH TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-DCA LEAD TANK 1 09/04/96 TK1-N 13 13 72 08 59 16 85 ND<0 025 NA NA NA NA NA NA TK1-N 15 15 850 ND<25 22 22 110 ND<01 NA NA NA NA NA NA TK1-S 15 15 1,200 ND<2 5 42 26 140 ND<0 25 NA NA NA NA NA NA PIPING RUN 09/04/96 P1@4 5 4 5 1,600 ND<1 63 96 78 02 NA NA NA NA NA NA P2@4 4 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA NA NANA NA DISPENSER 09/04/96 DISPENSER 25 ND<1 ND<0005 ND<0005 ND<0 005 ND<0005 ND<0005 NA NA NA NA A NA NA B-1 02/03/01 B1-5 5 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA B1-10 10 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA B1-15 15 ND<1 ND<0 005 ND<G 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA B1-20 20 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA B-2 02/03/01 B2-15 15 400 03 69 11 43 1 0 065 ND<0 05 ND<0 05 ND<0 05 ND<0 5 NA 9 5 82-20 20 2 0 0 021 0 082 0 038 0 22 ND10 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA NA $-3 02/03101 83-15 15 68 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 02 NA NA 83-20 20 11 0 099 ND<0 005 0 046 0 052 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 05 NA NA MWA 07/13/02 [�M!W 1-15 15 1,800 22 43 31 150 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<2 5 ND<2 5 NA 1-20 20 ND<1 ND<0 005 ND<G 005 0 026 0 012 N0<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW1-25 25 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW-2 07/13/02 MW2-15 15 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NO<0 005 NA MW2-20 20 ND<1 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<G 005 ND<0 005 ND<0 OGS NA MW2-25 25 ND<1 ND<0 005 ND<0 005 ND<G 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW-3 07/13/02 MW3-25 25 tN ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NA MW3-30 30 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0005 ND<0 005 NA MW3-35 35 ND<G 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 ND<0 005 NO 005 NA I NOTES All results are reported in milligrams per kilogram(mglkg),which translates to parts per million(ppm) Sample depths in feet below ground surface,MW-3 is only location at street grade,all other locations are sub-street grade Total Petroleum Hydrocarbons as Gasoline(TPH-G),benzene toluene,ethylbenzene,xylenes(BTEX)analyzed by EPA Method 802018015M or 82606 Oxygenates methyl ternary butyl ether(MTBE),di-isopropyl ether(DIPE),ethyl-t-butyl ether(ETRE),tert-amyl methyl ether(TAME)and tert-butanol(TBA)analyzed by EPA Method 82608 1 2-dichloroethane(1,2-DCA)analyzed by EPA method 82606 Total Lead analyzed by EPA Method 6010 ND<1 =Not Detected at reporting limit of 1 ppm NA =Not analyzed for indicated parameter