Czech version
  • Proficiency Testing (PT)
  • List of Employees
  • Strength and durability of hardened concrete ZZB 2017/1

    Czech version

    PT program was completed 29/06/2017.

    A printed version of the Final Report on the Results of the PT Program is only provided on request. The report will be available on this website under the link to the relevant PTP for a period of no less than 30 days after the presentation of the Certificate of Participation.

  • Final report (CZ version)
  • PT plan
  • Cancellation and Complaints Procedures - Information for Participants in Proficiency Testing Programs