Dried plant materials e.g. crops, leaves, grain
Sediments from rivers, harbor, lake
Sediments from river, harbor, estuary and open sea
High and low salinity seawater, estuarine water and freshwater
Fish (liver), mussel and shrimp tissue
Amnesic, lipophillic and paralytic shellfish toxins
Manure & Compost
Compost, (dry) sewage sludge, organic fertilizers
Proximate/ elementary analysis
What is Proficiency testing?
Proficiency testing determines the performance of individual laboratories for specific tests or measurements and is used to monitor laboratories’ continuing performance. Proficiency testing is also called interlaboratory comparison. Proficiency testing compares the measuring results obtained by the participating laboratories.
- WEPAL-QUASIMEME is part of Wageningen University, the Netherlands (Chamber of Commerce no. 09215846) and offers globally accredited proficiency testing programmes in environmental matrices.
- Accreditation is according to ISO17043 and granted by the Dutch Accreditation Council RvA a co-signatory to the ILAC and IAF Multilateral Agreements.