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I ANALYTICAL RESULTS Total Petroleum Hydrocarbons By GC I/GTEL Client ID CES06CES06 gin Number W7070068 ' Project ID (number) 97731 01 01 Method GC Project ID (name) FARMER PROPERTY/MODESTO/CA Matrix Solids NEI/GTEL Sample Number W7070068 15 W7070068-16 W7070068-17 W7070068 18 ' Client ID FP-SB1 20 5 FP-SBI-30 5 FP SB1 40 5 FP SB2-15 5 Date Sampled 06/30/97 06/30/97 06/30/97 06/30/97 Date Prepared 07/11/97 07/11/97 07/11/97 07/11/97 ' Date Analyzed 07/18/97 07/18/97 07/18/97 07/18/97 Dilution Factor 1 00 1 00 1 00 1 00 Reporting Analyte Limit Units Concentration Wet Weight TPH as Kerosene 10 mg/kg < 10 < 10 < 10 < 10 TPH as Diesel 10 mg/kg < 10 < 10 < 10 < 10 TPH as Lubricating Oil 10 mg/kg < 10 < 10 < 10 < 10 Percent Solids % 78 7 80 2 78 6 73 8 Notes ' Dilution Factor Dilution factor indicates the adjustments made for sample dilution GC Extraction by EPA Method 3550 (sonication) ASTM Method D3328(modified) is used for qualitative identification of fuel patterns The method has been modified to include quantitation by applying calibration and quality assurance guidelines outlined in Test Methods for Evaluating Solid Waste PmPhysical/Chemical Methods SW-846 Third Edition including promulgated Update 1 This method is equivalent to the California LUFT manual OHS method or diesel fuel Due to the qualitative similarities between Kerosene and Diesel Fuel the material present was quantified only as the product which it ost resembled chromatographically The reporting limit for the other analyte was elevated accordingly Lubricating oil can not be qualitatively identified by type of oil because of chromatographic likeness of different oil types Due to non-volatility of certain oils much of the oil present ' may not be quantified by this method Quantztatian obtained for lubricating oil by this method should therefore be treated as an estimate This method quantifies lubricating oil against 10 W 30 standards 1 1 ioI/GTEL Wichita KS W7070068 Page 3