All programmes
Overview of current and finished proficiency testing programmes.
ZO 2026/1
Sample distribution
Steel Testing
ZZB 2027/1
Registration open
Strength and durability of hardened concrete
Registration until: 30.01.2027
ZMC 2026/1
Sample distribution
Mortar, cement, fine-grained cement composites
ZZP 2026/1
Sample distribution
Masonry Units Testing
ZZ 2026/1
Sample distribution
Soil Testing
ZZB 2026/2
Sample distribution