Characterization of solids - Sampling of solid and semi-solid materials - Part 1: Guidance for the segmental sampling of stockpiles of unknown composite— 29 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005); German and English version EN ISO/IEC 17025:2005— 73 стр.
Characterization of solids - Sampling of solid and semi-solid materials - Part 2: Guidance for taking samples of stockpiles for integral characterisation— 32 стр.