News
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UPDATE: Workshop Quality Assurance for Ocean Acidification monitoring
- NEW DATES: 18-20 March 2025
A Workshop on Quality Assurance for inorganic carbon system measurements in context of ocean acidification monitoring is... -
DE13 Proficiency test on passive sampling in water 2024
- Subscription for the 2024 WEPAL-QUASIMEME laboratory performance study (LPS) for passive sampling of organic compounds in water is now open. We aim to... -
WEPAL Survey Highlights
- In the latest WEPAL survey, a commendable 25.1% response rate was achieved, with 241 out of 960 questionnaires returned. Overall, we received an... -
Accreditation ISO17043 extended till 2026
- The Dutch Council of Accreditation (RvA) has once again extended the ISO17043:2010 accreditation of WEPAL-QUASIMEME. -
New WEPAL-QUASIMEME manager and coordinator WEPAL
- We would like to inform you that Winnie van Vark has retired on April 25th, 2024. For the last ten years she has been the manager for the... -
WEPAL-QUASIMEME catalogue 2023
- The 2023 catalogue for the environmental chemistry proficiency tests organised by WEPAL-QUASIMEME is out. This year, the catalogue covers all... -
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... -
New features on the website
- The WEPAL-QUASIMEME website and participant site have been improved.