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QDuanterra <br />' Benzene, Toluene, Ethyl Benzene and Xylenes (BTEX) Environmental <br /> • Method 8020 <br />' Client Name. ERM - West, Inc. <br /> Client ID: UST1S-7 <br /> Lab ID: 094903-0004-SA <br /> t Matrix: SOIL Sampled: 03 SEP 97 Received: 04 SEP 97 <br /> Authorized: 04 SEP 97 Prepared: NA Analyzed: 08 SEP 97 <br />' Wet wt. Re orting <br /> Parameter Result Units Limit <br /> Benzene NO ug/kg 1.0 <br />' Toluene ND ug/kg 1.0 <br /> Ethylbenzene ND ug/kg 1.0 <br /> Xylenes (total ) ND ug/kg 2.0 <br /> Surrogate Recovery <br /> a,a,a-Trifluorotoluene <br /> 112 X <br /> 1 <br /> t <br /> 1 <br />' ND = Not detected <br /> NA = Not applicable <br />' Reported By: Min Qin Approved By: Harlan Loin <br /> The cover letter is an integral part of this report. <br />' Rev 230787 <br /> 1 <br />