ASTM C1791Full Name ASTM C1791 – Standard Guide for Reduction of Efflorescence Potential in New Unit Pavement SystemsScope This guide covers methods for reducing efflorescence potential in new unit pavement systems.Keywords drainage; efflorescence; mortar; paving units; percolate; preconstruction testing; water penetrationResourcesASTM International Website: ASTM C1791 Need more info?