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TABLE 1 <br /> HISTORICAL ANALYTICAL RESULTS -SOIL <br /> San Joaquin County Agricultural Commissioner's Office ' <br /> 503 East 10th Street,Tracy, California <br /> SAMPLE DATE SAMPLE ETHYL- TOTAL <br /> LOCATION SAMPLED SAMPLE ID DEPTH (FT} TPM-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE LEAD <br /> TANK 1 10/28/1988 N2 10 4,700 NA 10 110 69 240 NA NA <br /> TANK 2 10/28/1988 M3 10 NA 760 13 98 60 170 NA 11 <br /> TANK 3 10/28/1988 S1 9 4,800 NA 27 210 96 340 NA NA <br /> SB-1A 12/22/97 SB-1A-5 5 14 ND<1 ND<0.005. ND<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> •SB-1A-10 10' 1,200 ND<4 0.110 ND<0.020 ND<0.020 0.040 ND<0.2 8 <br /> SB-1A-15 15 ND<1 `ND<1' ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-1 12/19/97 SB-1-20 20 ND<1 ND<1 ND<0.005 ND<0.005 ND<0.005 0.006 ND<U50 NA <br /> SB-3 12/19/97 SB-3-5 5 VND <br /> 2 0.054 0.190 0.064 0.290 ND<0.050, NA <br /> SB-3-10 10 400 5.4 16 10 39 ND<5 NA <br /> SB-3-15 15, ND<1 ND<0.005 ND<0.005 NQ<0.005 ND<0.005 ND<0.050 NA <br /> SB-4 12/19/97 SB-4-5 5 ND<1 ND<0.005 M7<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-4-10 10 ND<1 ND<0.005. ND<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-4-15 15 ND<1 ND<0.005 ND<0:005 ND<0.005 ND<0:005' ND<0.050, NA <br /> SB-5 12/22/97 SB-5-5 5 ND<1 ND<0.005 ND<0:005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-5-10 10 1 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0:050 NA <br /> S13-5-15. ' 15 ND<1 ND<1 ND<0.005 ND<0.005 ND<0.005 ND<0.010 ND<0.050 NA <br /> SB-6 12/19/97 SB-6-5 5 ND<1 ND<1 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-6-10 10 ND<1 ND<1 ND<0.005 ND<U05 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-6-15 15 ND<1 ND<1 ND<0.005 ND<0.005 . ND<0.005 '. ND<0.005 ND<0.050 NA <br /> SB-7 12/22/97 SB-7-10 10 61ND<4' ND<0.020 ND<0.020 ND<0.020 ND<0.020 ND<0.2 NA <br /> SB-8 12/22/97 SB-8-10 10 390 4 ND<0.020 ND<0.020 ND<0.020 . ND<0.020 ND<0.2 NA <br /> SB-9 12/22/97 SB-9-10 10 ND<1 ND<1 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.050 NA <br /> SB-10 12119/97 SB-10-10 . .. 10 ND<1 ND<1 ND<0.005 ND<0.005 ND10.005 ND<0.005 ND<0.050 NA <br /> NOTES: All results are reported in mg/kg which translates to parts per million(ppm) <br /> Sample depths are in feel(FT)below ground surface <br /> Total Petroleum Hydrocarbons as Diesel(TPH-D)and Total Petroleum Hydrocarbons as Gasoline(TPH-G)analyses by Modified EPA Method 8015 <br /> Benzene,toluene,ethylbenzene,xylenes and Methyl tertiary butyl ether(MTBE)analysis by Modified EPA Method 8020.- <br /> Total lead analysis by EPA Method 7421 <br /> ND<1 =Not Detected at reporting limit of 1 ppm <br /> NA=Not Analyzed <br /> 1 of 1 <br />