International collaboration in producing and using standard specimens

Data are given the first steps in organizing collaboration over standard sp ecimens in various international organizations including ISO and Internatio nal Organization of Legal Metrology. The state of the collaboration is brie fly examined, in particular, the recent collaboration in COOMET and within the framework of the Intergovernmental Council on Standardization, Metrolog y, and Certification of the CIS countries. Some results and tendencies in i nternational collaboration are reported.