This European Standard specifies methods for reducing laboratory samples of aggregates to test portions, when the test portion mass is: - specified by a lower limit on the mass; - specified by a tolerance around a target mass: - determined precisely by the requirements of a test method.
DS/EN 932-2:1999 history
1999DS/EN 932-2:1999 Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples