Schemes Overviews and Guides

All schemes are CPA (EQA) accredited unless otherwise stated

Please click on the links below for more information on individual schemes and subschemes.

  • Analytes covered by the scheme
  • Material descriptions and frequency of distribution
  • Access to Scheme guides and method questionnaires

Please access the scheme guides on the individual scheme pages for more detailed information about the individual schemes including analyte ranges, stability studies and material usage.

For information about report statistics and interpretation of reports, please see the participant's manual available at the foot of this page.

Scheme documentation is also available via the resources area.


Resources