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1.1 This guide provides recommendations for the selection of appropriate test methods for prefabricated bituminous sheet used in geomembrane applications to provide consistency in data reporting.

1.2 This guide includes test methods for all types of prefabricated bituminous geomembranes (PBGMs).

1.3 This guide is intended to aid all personnel involved in the selection, manufacture, or evaluation of prefabricated bituminous geomembranes. Field-related evaluation of PBGMs, including but not limited to seam testing, is beyond the scope of this guide.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 To properly evaluate PBGMs, tests must be performed according to specific test methods and procedures. Failure to follow this practice can result in data not representative of the material's characteristics and performance.