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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Update WEPAL/ QUASIMEME
- Lately, WEPAL/ Quasimeme has been very active with sample shipment of new proficiency testing rounds. -
QUASIMEME Participants survey 2021
- The survey was sent out to 457 contacts. There were 203 responses, giving a response rate of 44.3%. We are very pleased that so many participants... -
Quasimeme BE-1 Exercise: Imposex Assessment of the marine snail Nucella lapillus
- QUASIMEME has organised laboratory performance studies on the biological assessment of marine snails since 1999. QUASIMEME is pleased to invite you to...
What is proficiency testing?
Click here for information testing about proficiency testing and
About
- WEPAL/QUASIMEME (part of Wageningen University and Research) 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.
