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geomembrane manufacturer also performed density and melt index tests of the resin <br />supplied by Chevron Phillips Chemical Company to verify material properties prior to <br />geomembrane manufacture. The QC certificates provided by the resin manufacturer are <br />presented in Appendix 1.3. <br />5.2.2 Roll QC Certificates <br />ame0 <br />Lone Star provided QC certificates for each roll (approximately every 10,000 square feet) of <br />LLDPE geomembrane used for the project, exceeding the required minimum frequency of <br />one per 50,000 square feet of geomembrane. AMEC reviewed the QC certificates to verify <br />conformance of the geomembrane to the project requirements. Geomembrane was placed <br />only when complete QC documentation was provided and AMEC determined that test <br />results met or exceeded project specifications. The geomembrane roll QC certificates are <br />presented in Appendix 1.4. <br />5.2.3 Welding Rod QC Certificates <br />Welding rod certification consisted of QC documents for the resin used to manufacture the <br />welding material for the Cresson Project. The welding material used on this project was <br />produced from five (5) batches of resin. AMEC's review of the QC certification indicates that <br />the resin used to manufacture the welding material met project specifications. The welding <br />rod QC certificates are presented in Appendix 1.5. <br />5.3 Geotextile QC Documents <br />Geotextile used to construct the Stormwater Control System collection basin was <br />manufactured by TenCate of Pendergrass, Georgia. AMEC's review of the QC certificates <br />indicates that the geotextile met project specifications. Geotextile QC certificates are <br />presented in Appendix 1.6. <br />AMEC Environment & Infrastructure, Inc <br />2000 S. Colorado Blvd 2 -1000 <br />Denver, CO 80222 <br />Tel 303 - 935 -6505 <br />Fax 303 - 935 -6575 www.amec.com 24 <br />