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INTRODUCTION 1.1 Terms of Reference 1.1.1 Purpose This manual addresses the quality assurance and quality control of the installation of flexible membrane liners, bentonite blankets and other geosynthetic products used by [n- Line Plastics. Inc. (ILP[) in hazazdous waste disposal landfills, surface impoundments or other installations as specified by the owner and/or engineer. This manual therefore delineates the quality procedures and standards for production and installation. 1.1.2 Quality Assurance and Quality Control [n the context of this manual, quality assurance and quality control are defined as follows: Oualitv Assurance - A planned and systematic pattern of all means and actions designed to provide adequate confidence that items or services meet contractual and regulatory requirements and will perform satisfactorily in service. Quality Control -Those actions which provide a means to measure and regulate the characteristics of an item or service to contractual and regulatory requirements. In the context of liner production and installation: Quality assurance refers to means and actions employed by ILPI to assure conformity of the lining system production and installation with the Quality Assurance Plan, drawings and specifications. Quality control refers to those actions taken by the manufacturer, Fabricator and Installer to ensure that the materials and the workmanship meet the requirements of the plans and specifications. 1.1.3 Lining Materials The materials comprising the lining system include geosynthetics: geomembranes, bentonite blankets, geotextiles, and geonets manufactured from synthetic polymers. For the purposes of this document, the term `'geomembrane" is applied to flexible membrane liners. More specifically "geomembrane" refers to polyethylene geomembranes, with either smooth surfaced or textured surface for increased friction.