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now R& TABLE 1 HISTORICAL ANALYTICAL RESULTS -SOIL San Joaquin County Agricultural Commissioner's Office 503 East 10th Street, Tracy, California SAMPLE DATE SAMPLE ETHYL- TOTAL LOCATION SAMPLED SAMPLE ID DEPTH (FT) TPH-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE LEAD TANK 1 10/28/88 N2 10 4,700 NA 10 110 69 240 NA NA TANK 2 10/28188 M3 10 NA 760 13 98 60 170 NA 11 TANK 3 10/28/88 S1 9 4,800 NA 27 210 96 340 NA NA SB-1A 12/22/97 SB-1A-5 5 14 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 N0<0 050 NA SBAA-10 10 1,200 ND<4 0 110 ND<O 020 ND<O 020 0 040 ND<O 2 8 SBAA-15 15 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SBA 12/19/97 SB-1-20 20 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 0 006 ND<O 050 NA SB-3 12/19/97 SB-3-5 5 18 2 0 054 0190 0 064 0 290 ND<O 050 NA SB-3-10 10 1,800 400 54 16 10 39 ND<5 NA SB-3-15 15 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-4 12/19/97 SB-4-5 5 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-4-10 10 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-4-15 15 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-5 12/22/97 SB-5-5 5 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-5-10 10 11 1 ND<O 005 ND<O 005 ND<0 005 ND<O 005 ND<O 050 NA SB-5-15 15 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 010 ND<O 050 NA SB-6 12/19197 SB-6-5 5 ND<1 ND<1 ND<O 005 ND<0 005 ND<O 005 ND<O 005 ND<O 050 NA SB-6-10 10 ND<1 ND<1 ND<O 005 ND<0 005 ND<0 005 ND<O 005 ND<O 050 NA SB-6-15 15 ND<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<O 005 ND<O 050 NA SB-7 12/22/97 SB-7-10 10 61 ND<4 ND<O 020 ND<O 020 ND<0 020 ND<O 020 ND<0 2 NA SB-8 12/22/97 SB-8-10 10 390 4 1 ND<O 020 ND<O 020 ND<O 020 ND<O 020 ND<O 2 NA SB-9 12/22/97 SB-9-10 10D<1 ND<1 ND<O 005 ND<O 005 ND<O 005 ND<0 005 ND<O 050 NA SB-10 12/19/97 SB-10-10 10 [::N!Dll ND<1 ND<O 005 ND<O 005 1, ND<O 005 ND-10 005 ND<0 050 NA NOTES All results are reported in mglkg which translates to parts per million(ppm) Sample depths are in feet(FT)below ground surface Total Petroleum Hydrocarbons as Diesel(TPH-D)and Total Petroleum Hydrocarbons as Gasoline(TPH-G)analyses by Modified EPA Method 8015 Benzene,toluene,ethylbenzene,xylenes and Methyl tertiary butyl ether(MTBE)analysis by Modified EPA Method 8020 Total lead analysis by EPA Method 7421 ND<1 =Not Detected at reporting limit of 1 ppm NA=Not Analyzed