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June 24,2003 -42- 003-2203.7 <br />Field destructive testing of seams consisted of testing ten 1-inch wide coupons, five of which were <br />tested For peel, and five of which were tested for shear. Poly-Flex tested the inside and outside tracks <br />of the fusion welds for peel. Poly-Flex performed alt destructive tests on-site using a field <br />tensiometer, and Golder observed and documented all tests. <br />The specified acceptance criteria for 100-mil textured LLDPE to 100-mil textured LLDPE shear tests <br />was that four of the five coupons tested must have an ultimate strength of at least 130 pounds per <br />pulling inch (ppi) prior to yield. The specified acceptance criteria for peel tests was that four of the <br />five coupons tested must have ultimate strength of at least 100 ppi and achieve a Film Tear Bond <br />(FTB) upon breaking. All destructive fusion seam and extrusion seam samples met specifications. <br />The specified acceptance criteria for 100-mil smooth LLDPE to 100-mil smooth LLDPE shear test <br />was that four of the five coupons tested must have an ultimate strength of at least 130 pounds per <br />pulling inch (ppi) prior to yield. The specified acceptance criteria for peel tests was that four of the <br />five coupons tested must have ultimate strength of at least 110 ppi and achieve a Film Tear Bond <br />(FTB) upon breaking. All destructive fusion seam and extrusion seam samples met specifications. <br />. The specified acceptance criteria for 100-mil textured LLDPE to 80-mil textured LLDPE sheaz tests <br />was that four of the five coupons tested must have an ultimate strength of at least 88 pounds per <br />pulling inch (ppi) prior to yield. The specified acceptance criteria for peel tests was that four of the <br />five coupons tested must have ultimate strength of at (east 88 ppi and achieve a Film Tear Bond <br />(FTB) upon breaking, All destructive fusion seam and extrusion seam samples met specifications. <br />The summaries of destructive test results for fusion and extrusion seams for the lower geomembrane <br />are presented in Appendix K-6, and the summaries of destructive test results for fusion and extrusion <br />seams for the upper geomembrane are presented in Appendix L-6. Record Drawing No. 6 (lower <br />PSSA geomembrane) and Record Drawing No.7 (upper PSSA geomembrane) presented in <br />Appendix A shows the destructive test sample locations. <br />6.1.6 Non-Destructive Testine <br />Poly-Flex performed non-destructive seam testing on completed seams and geomembrane repairs. <br />Non-destructive testing for seams included pressure testing of fusion-welded seams, and vacuum <br />• <br />~:~omzzo>\owmedcenessAOaoAOOSUOa.oaoo.o9wttep.aac Golder Associates <br />