The Working Group has the task to further develop the harmonised methods in the field quality assurance and quality control in laboratories. The group closely cooperates with the Expert Panels "Deposition", "Foliage", and "Soil".

Chairperson

Chair: Anna Kowalska

Co-Chair: Tamara Jakovljević

Discussion Forum

• Link to the forum page

Further Information

Ringtest and QA/QC information for:

• Deposition and Soil Solution
• Foliage and Litterfall
• Soil

Analytical info

Here you will find information about analytical methods, method comparisons, material tests and other interesting information

Document archive

Here you will find all minutes and all presentations of all meetings of the Working Group and the Heads of the Labs, ordered by topics

Scientific publications

Links

• Guidelines for Quality Management in Soil and Plant Laboratories (FAO Soils Bulletin - 74)
• QC in laboratory
• Westgard Multirules (helpful tool to evaluate control charts)
• Nordtest Internal quality control
• Nordtest Handbook for calculation of measurement uncertainty in environmental laboratories