S No Group Number Task Date of creation Time Frame No of Members
1. MSD 20 : WG01 ISO 33401:2024 Reference materials — Contents of certificates, labels and accompanying documentation 15-07-2025 01-04-2026 5
2. MSD 20 : WG02 ISO/TR 33402:2025 Good practice in reference material preparation 15-07-2025 01-04-2026 6
3. MSD 20 : WG03 ISO 33403:2024 Reference materials — Requirements and recommendations for use 15-07-2025 01-04-2026 2
4. MSD 20 : WG04 To provide comment and review of standard 11-07-2024 03-07-2026 2
5. MSD 20 : WG05 ISO 33405:2024 Reference materials — Approaches for characterization and assessment of homogeneity and stability 15-07-2025 01-04-2026 4
6. MSD 20 : WG06 ISO 33406:2024 Approaches for the production of reference materials with qualitative properties 15-07-2025 01-04-2026 4
7. MSD 20 : WG07 ISO 33407:2024 Guidance for the production of pure organic substance certified reference materials 15-07-2025 01-04-2026 2