• A proficiency testing sample will be provided for analysis
  • Results of the testing are submitted
  • Certified proof of performance as a 'z’-score calculation is provided within 1 - 2 weeks
  • The performance evaluation refers to the previous regular proficiency testing, enabling correlation of the bilateral proficiency test with the regular proficiency testing round
  • The sample material is derived from a previous proficiency testing round allowing comparable performance evaluation with regular proficiency testing