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Clayton Environn1%1.�al 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. <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-0 . 53 mm id, 1 gm 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 /> Injector Temp. - 220'C, Detector Temp. 240'C <br /> Flows: Carrier - 5 ml/Min. <br /> Make-up - 23 ml/Min. <br /> Air/H2 Ratio - 8 : 1 <br />