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TABLE 1 HISTORICAL ANALYTICAL RESULTS -SOIL Nelson Ready-Mix Site 1040 Moffat Boulevard, Ripon, California - SAMPLE DATE SAMPLE SAMPLE TPH- TPH- TPH- TPH- ETHYL- TOTAL LOCATION SAMPLED ID I DEPTH IFT) DIESEL KEROSENEI MOTOR OIL GASOLINE BENZENE TOLUENE BENZENE XYLENES MTBE �FVOCISLEAD TOC TANK 4114195 TK-N 12 4,100 ND<10 ND<10D NA ND-10.25 ND-0.25 0.41 1.3 NA NA NA NA TK-S 12 4.2 ND<1 ND<10 NA ND<0.005 ND<0.005 ND<0.005 ND<0.005 NA NA NA NA S13-1 519197 SB-1-1 5 1,100 NA NA NA ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND 0.05 NA NA NA SB-1-2 10 2,600 NA NA NA ND<0.01 ND<0.01 0.16 0.37 ND<0.1 NA NA NA S13-1-3 15 5,400 NA NA NA ND<0.01 ND<0.01 0.52 0.69 ND<0.1 I NA NA NA S13-2 519197 SB-2-1 5 ND<1 NA NA NA ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.05 NA NA NA SB-2-2 10 1,700 NA NA NA ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.5 NA NA NA SB-2-3 15 6,000 NA NA NA ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.5 NA NA NA SB-2-4 18 2,300 NA NA 72 ND<O.1 ND<O.1 ND<0.1 ND<0.1 ND<1 ND NA NA SB-3 519197 SB-3-1 5 2 NA NA ND<1 ND<0.005 ND<0.005 ND<0.005 ND<0.005 ND-10.05 ND NA NA SB-3-2 10 2 NA NA ND<1 ND-0.005 ND<0.005 ND10.005 ND<0.005 ND<0.05 ND NA NA S134 519197 SB-4-15 NA NA NA NA NA NA NA NA NAND NA NA 56-4-2 10 NA NA NA NA NA NA NA NA NA ND NA NA S13-5 5128198 SB-5-15 15 ND<1 NA NA ND<1 ND10.005 ND<0.005 ND<0.005 ND-0.005 ND<0.05 NA ND<4 NA SB-5-20 20 360 NA NA 14 ND<0.05 8 7 60 ND<0.5 NA NA NA SB-6 5128198 SB-6-10 10 ND<1 NA NA ND<1 ND<0.005 ND10.005 ND-10.005 ND<0.005 ND<0.05PNA A NA 0.13 SB-6-20 20 ND<1 NA NA NQ<1 ND<0.005 ND10.005 ND<0.005 ND<0.005 ND<0.05 NA NA SB-7 5/28198 SB-7-15 15 J8,800 NA NA_j[ 130 ND<0A N13<0.1 0.1 0.2 N0<1 ]EE::[�NDO NA SB-7-20 1 20 1 460 NA NA 1 10 1 ND-0.05 ND-0.05 ND-0.05 0.8 ND-0.5 NA NA NA MWA 5128198 1 MW-1-151 1513 NA NA ND<1 ND<0.005 ND,10.005 ND-0.005 ND<0.005 ND<0.05 NA NA NA y MW-1-25 25 ND<1 NA NA ND<1 ND<0.005 ND<0.005 ND-0.005 ND<0.005 ND<0.05 NA I NA NA MW-2 5129198 1 MW-2-14 14 ND<1 NA NA ND<1 ND-0.005 ND<0.005 ND<0.005 ND<0.005 ND<0.05 NA NA NA MW-2-21 21 ND<1 NA NA NQ<1 ND-0.005 ND-0.005 ND-0.005 ND-0.005 ND-0.05 NA NA 0.06 MW-3 __[5129198 MW-3-15 15 ND MW-3-25 25 ND-11 NA NA ND<1 ND-0.005 ND<0.005 ND-0.005 0.006 ND-0.05 NA NA NA NOTES: Soil sample results are presented in milligrams per kilogram(mg/Kg) Sample depths are in feet(FT)below ground surface Total Petroleum Hydrocarbons(TPH)-Diesel,TPH-Kerosene and TPH-Motor Oil analyzed by Modified EPA Method 8015 TPH-Gasoline,Benzene,Toluene,Ethylbenzene,Xylenes,Methyl tertiary butyl ether(MTBE)analyzed by Modified EPA Method 8020 Volatile Organic Compounds(VOCs)analyzed by EPA Method 8240 Total Lead analyzed by EPA Method 60106 Total Organic Carbon(TOC)analyzed by the Walkley Black Method(Units in Percent) ND<10=Not Detected at reporting limit of 10 mg/Kg NA=Not Analyzed