BTF holds accreditation for ISO Guide 34: General Requirements for the Competence of Reference Material Producers.

The specific requirements of this accreditation focus on the quality control of the production process and finished product. These are unique to BTF and were gained through NATA (National Association and Testing Authority, Australia’s accreditation body).

BTF ISO Guide accredited reference materials can be used with confidence in ISO/IEC 17025 accredited facilities.

BTF’s ISO Guide 34 accredited products:


  • BioBall SingleShot
  • BioBall® MultiShot 550
  • BioBall® HighDose 10K
  • ColorSeed™
  • EasySeed™
  • EasyPC™

EasyStain™ has a separate approval through the USEPA and UKDWI.

NATA Certificate of Accreditation June 06 and NATA Scope of Accreditation Oct. 15

further details please contact BTF.