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SCHEMATIC OF UNTESTED <br />SPECIMEN <br />WELD B WELD A <br />TOP SHEET <br />BOTTOM SHEET <br />-- DIRECTION OF INITIAL PEEL <br />LOCUS —OF <br />TYPES OF BREAKS BREAK CODE <br />BREAK <br />DESCRIPTION CL ASSIFICATION a <br />AD <br />I �E� � BRK <br />SE1 <br />ADHESION FAILURE NON —FTB <br />BREAK IN SHEETING. BREAK CAN BE IN FTB <br />EITHER TOP OR BOTTOM SHEET. <br />BREAK IN OUTER EDGE OF SEAM. BREAK FTB <br />CAN BE IN EITHER TOP OR BOTTOM <br />SHEET. <br />SE2 <br />B REAK H SH T INNER EDGE OF SEAM THROUGH <br />B FTB <br />AD <br />BREAK IN SEAM AFTER <br />ADHESION F URE. BREAK CAN IN <br />EITHER THE TOP OR BOTTOM SHEET. <br />a. FTB - FILM TEAR BOND NOT TO SCALE <br />FTB <br />LINER RECERTIFlCATION <br />DESTRUCTIVE SAMPLE TEST CODES FOR <br />DUAL HOT WEDGE FUSION WELDS <br />DESIGNED BY I — I CHECKED BY DTW DATE <br />NW& DRAWN BY I JLW I APPROVED BY JFL I1/0/DY <br />EARTH AND ENVIRONMENTAL RUSE FKAIRE w <br />11 25F1 92 3 A <br />