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Evergreen Analytical, Inc. <br />4036 Younglield Street, Wheat Ridge, Colorado 80033-3862 <br />(303) 425-6021 <br />Client Sample ID: excavated azea Lab Work Order OS-3299 <br />Client Project ID: Cottonwood Lab Sample ID: OS-3299-O1A <br />Date Collected: 5112/05 Sample Matrix: Soil <br />Date Received: 5/12/05 <br />TOTAL EXTRACTABLE HYDROCARBONS <br />Method: SW8015M Prep Method: SW3550A <br />Date Prepared: 5/13/05 Lab File ID: FID30519\032R Dilution Factor: 1 <br />Date Analyzed: 5/20/05 Method Blank: MB-7272 <br />Analy[es CAS Number Result LQL Units <br />Diesel Fuel (1Vo. 2) 68334-30-5 U 14 mg/Kg <br />Gasoline 86290-81-5 U 25 mg/Kg <br />Jet A 64742-47-8 U 6.7 mg/Kg <br />Motor Oil 260 14 mg/Kg <br />Surr: TBB 98-06-6 95 QC Limits: 20-167 %REC <br />Analyst Approved <br />Notes: Total Xylenes consist of three isomers, two ofwhich co-elute. The Xylene RL is for a single peak. Co imtation analysis was not performed. <br />Qualifters: B - Analyte detected in the associated Method Blank, value not subtracted from result Defuufions: LQL-Lower Quantitatron Limit <br />E -Extrapolated value. Value exceeds calibration range Surr -Surrogate <br />H - Sampie exceeded analytical holding time <br />J - Indicates an estimated value when the compound is detected, but is below the LQL <br />S -Spike Recovery outside accepted limits <br />U -Compound analysed for but not detected <br />X -See case narrative <br />• -Value exceeded the Maximum Corr[amination Level (MCL) <br />c:~ <br />Print Date: 5720105 <br />