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Test Test Designation Requirements <br /> Specific Gravity' ASTM D792,Method B,or ASTM D1505 >0.932 g/cm3 <br /> ' Measure on pure resin without additives. <br /> 2.3 TEXTURED GEOMEMBRANE <br /> A. Manufacturing and Properties. <br /> 1. High Density Polyethylene geomembrane with textured surfaces on both <br /> sides(double side)or a smooth surface on one side and a textured surface on <br /> the other side(single side). Grid or"waffle" style texturing is not allowed. <br /> 2. Do not exceed a combined maximum total of 1 percent by weight of additives <br /> other than carbon black or pigment. Identify percentage of processing aids, <br /> antioxidants, and other additives other than carbon black. <br /> 3. Do not exceed 3.5 percent by weight of finished geomembrane for total <br /> combined processing aids, antioxidants, carbon black, and other additives. <br /> 4. Use materials produced in the United States or Canada. <br /> 5. Provide finished product free from blemishes, holes, pin holes, bubbles, <br /> blisters, excessive gels, undispersed resins, and/or carbon black, <br /> contamination by foreign matter and nicks or cuts on edges. <br /> 6. Roll manufactured sheets or panel for shipment. <br /> 7. The Geomembrane Manufacturer shall provide results of tests performed <br /> using the procedures listed in the following table,as well as certification that <br /> the materials meet or exceed the specified values. <br /> Forward Landfill WMU FU-14 HIGH DENSITY POLYETHYLENE <br /> 02778 7 (HDPE)GEOMEMBRANE • <br />