Soil
All soil types
Plants
Dried plant materials e.g. crops, leaves, grain
Fresh water sediment
Sediments from rivers, harbor, lake
Marine Sediment
Sediments from river, harbor, estuary and open sea
Seawater
High and low salinity seawater, estuarine water and fresh water
Biota
Fish (liver), mussel and shrimp tissue
Shellfish Toxins
Amnesic, lipophillic and paralytic shellfish toxins
Manure & Compost
Compost, (dry) sewage sludge, organic fertilizers
Biomass
Proximate/ elementary analysis
News
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Nutrient samples ready for QUASIMEME Round 1
- The test materials for QUASIMEME's programmes on nutrients (AQ1 and AQ2) have been prepared, tested and are ready for the first round this year... -
Round 2 special determinands WEPAL programmes ISE and IPE
- Routine laboratory performance studies form the basis of external quality assurance for institutes that regularly make chemical measurements in the... -
ISO17043 accreditation extended for WEPAL-QUASIMEME
- The Dutch Council for Accreditation, co-signatory of the ILAC and IAF Multilateral Agreements, recently visited WEPAL-QUASIMEME to verify our...
What is proficiency testing?
Click here for information testing about proficiency testing and
About
- WEPAL/QUASIMEME (part of Wageningen University) offer nine worldwide accredited proficiency testing programmes.
- WEPAL/QUASIMEME is accredited according to ISO 17043 by the Dutch Accreditation Council RvA a co-signatory to the ILAC and IAF Multilateral Agreements.
