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• • <br /> ANALYTICAL RESULTS <br /> NEI/GTEL Client ID: CES06CE506 Total Petroleum Hydrocarbons By GC <br /> Login Number: W7030026 <br /> Project ID (number): 97715 Method: GC <br /> Project ID (name): CITY OF STOCKTON-TAFT/MODESTO/CA Matrix: Solids <br /> NEI/GTEL Sample Number W7030026.05 <br /> Client ID COMPOSITE 16 (B1-B4) <br /> Date Sampled 02/28/97 <br /> Date Prepared 03/10/97 <br /> Date Analyzed 03/13/97 <br /> Dilution Factor 1.00 <br /> Reporting <br /> Analyte Limit Units Concentration•Wet Weight <br /> TPH as Gas 10, mg/kg < 10. <br /> TPH as Mineral Spirits 10. mg/kg < 10. <br /> TPH as Diesel 10,. mg/kg < 10: <br /> TPH as Lubricating Oil 10. mg/kg < 10. <br /> Percent Solids -- % 82.0 -- <br /> Notes: <br /> Dilution Factor: <br /> Dilution factor indicates the adjustments made for sample dilution. <br /> GC: <br /> Extraction by EPA Method 3550 (sonication). ASTM Method D3328(modified) is used for qualitative identification of fuel patterns. The method has been <br /> modified to include quantitation by applying calibration and quality assurance guidelines outlined in 'Test Methods for Evaluating Solid Waste. <br /> Physical/Chemical Methads", SW-848, Third Edition including promulgated Update 1. This method is equivalent to the California LUFT manual DHS method <br /> for diesel fuel. Lubricating oil can not be qualitatively identified by type of oil because of chromatographic likeness of different oil types. Due to <br /> non-volatility of certain oils, much of the oil present may not be quantified by this method. quantitation obtained for lubricating oil by this method <br /> should, therefore. be treated as an estimate. This method quantifies lubricating oil against 18-W-30 standards. Due to potential loss of volatile <br /> components during sample preparation, quantitation of gasoline by this method should be considered an estimate. <br /> NEI/GTEL Wichita. KS <br /> W7030026 Page: 2 <br />