Specifies basic procedure for petrographic examination of aggregates for general classification. Procedure is not suitable for detailed petrographic examination.
BS EN 932-3:1997 history
2022BS EN 932-3:2022 Tests for general properties of aggregates. Procedure and terminology for simplified petrographic description
1997BS EN 932-3:1997 Tests for general properties of aggregates - Procedure and terminology for simplified petrographic description