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s <br />~„ TECHNOLOGY LABORATORY, INC. <br />CENTRE PROFESSIONAL PARK <br />1012 Centre Avenue <br />Fort Collins, Colorado 80526 <br />(970)490-1414 <br />CERTIFICATE OF ANALYSIS <br />Paragon Consulting Group, Inc. Sampled: 10/08/07 <br />1103 Oak Park Drive Received: 10/08/07 <br />Fort Collins, CO 80525 <br />Sample ID: Excavation Water Project No.: 1001018 <br />Laboratory ID 4833-06 Matrix: Water <br />CAS Date <br />Number Parameter Result Units Method Analyzed <br />71-43-2 Benzene < 0.5 Ng/L EPA-82606 10/10/07 <br />108-88-3 Toluene < 0.5 Ng/L EPA-82606 10/10/07 <br />100-41-4 Ethylbenzene 1.1 Ng/L EPA-82608 10/10/07 <br />1330-20-7 Total Xylenes < 0.5 Ng/L EPA-82606 10/10/07 <br />N/A DRO (TEPH) 92.7 mg/L EPA-80156 10/09/07 <br />QA/QC SURROGATE RECOVERIES <br />Compound % Recovery % Rec. Limits <br />Dibromofluoromethane 97 68-120 <br />Toluene-d8 101 81-128 <br />Bromofluorobenzene 104 70-113 <br />Page 4 of 4 <br />