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Clayton Environmental Consultants, Inc Page 7 of 11 <br /> 8812124 - Analytical Summary <br /> Sample Preparation- <br /> 1 ) 30 grams of sample was sonicated with 150 mis of methanol for 30 <br /> minutes. 50 mis of methanol used for rinse . <br /> 2 ) Extract was passed through sodium sulfate and glass wool into a K-D <br /> flask r <br /> 3 ) . Extract was concentrated to 5 mis then analyzed <br /> Gas chromatography conditions : <br /> Ethylene glycol retention time = 14 min <br /> Column. DB-Wax-O 53 mm id, 1 4m film, 30 meters <br /> Oven program Initial Temp. : 50 'C <br /> Initial Time: 2 Min. <br /> Rate . 8'C/Min <br /> Final Temp 220'C <br /> Final Time: 5 Min. <br /> In3ector Temp. - 220 'C, Detector Temp - 240'C <br /> Flows : Carrier - 5 ml/Min. <br /> Make-up - 23 ml/Mzn. <br /> Air/H2 Ratio - 8 : 1 <br />