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6. Puncture opposite end of seam to release air. If blockage is present, locate and test the seam on both sides of blockage. 7. Remove needle or other approved pressure feed device and then repair the penetration holes. 3.15 SPARK TESTING PENETRATIONS OR OTHER DIFFICULT AREAS OR AS AN ALTERNATIVE TO VACUUM TESTING. A. Equipment and Materials. 1. 24 -gauge copper wire. 2. Low -amperage electric detector, 20,000 to 30,000 volt, with brush -type electrode capable of causing visible arc up to 3/4 inch from copper wire. B. Spark Testing Procedures. 1. During extrusion welding, place a copper wire within 1/4 inch of the edge of extrusion weld. 2. Pass electrode over seam area and observe for spark. If a spark is detected perform a repair. 92 r _11 a 0 W W11 14'"'M A. Perform the following tests witnessed by the CQA Monitor. B. Perform peel and shear tests on two specimens obtained from each end of a seam welded between panels (4 specimens per seam). C. Perform peel tests on one specimen taken from each butt seam. D. Perform peel and shear tests on one specimen taken from each 1,000 feet of seam (2 specimens per 1,000 feet of seam). E. L Additional destructive test specimens may be obtained at the discretion of the CQA Monitor due to suspected contamination of the weld area, excess crystalline, offset welds, or other suspected defects. F. Perform peel and shear tests in compliance with ASTM D6392. All destructive peel and shear tests are considered passing when all specimens from each test location meet required results listed in paragraph 3.3 of this Section. G. If any field test sample fails, follow failed test procedures outlined in this Section. SHAW ENVIRONMENTAL, INC, San Joaquin County —Extension of Cap Corral Hollow Sanitary Landfill —CH—Closure Cap Ext Proj_Technical Specs 4-19-12 Revl.DocRev. 0, 04/05/2012 LLDPE Geomembrane 02779-11