ASTM Committee D35 on Geosynthetics has revised (with a designation change) D6072/6072M, “Standard Practice for Obtaining Samples of Geosynthetic Clay Liners.” This practice provides a procedure by which samples of GCL should be obtained for laboratory testing. The practice applies to materials obtained prior to installation (either at a job site or at a production facility) or exhumed material after installation. Learn more.

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