1.1 This test method covers procedures for the sampling and testing of mortars for composition and for their plastic and hardened properties, either before or during their actual use in construction.Note 1Guide C 1586 provides guidance on evaluating mortar and clarifies the purpose of both this test method and Specification C 270.Note 2The testing agency performing this test method should be evaluated in accordance with Practice C 1093.1.2 Preconstruction Evaluation - Thi