Astm D 5641 – 94 (Reapproved 2001) pdf free download
Standard Practice for Geomembrane Seam Evaluation by Vacuum Chamber1 This standard is issued under the fixed designation D 5641; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon … Read more