Participants

Show your colleagues and clients that you participate in the EQAT proficiency test phytoplankton! We guarantee total confidentiality of your data at all times.

If you agreed to the publication of your participation in the EQAT scheme when registering, you are included in the list below. Your results will not be shown here and will remain anonymous.



2007
Ringversuch Phytoplankton 2007
Landestalsperrenverwaltung des Freistaates Sachsen, US Saidenbach
Lengefeld
2007
Ringversuch Phytoplankton 2007
Limnologie Büro Hoehn
Freiburg
2007
Ringversuch Phytoplankton 2007
LimPlan
Berlin
2007
Ringversuch Phytoplankton 2007
Linksniederrheinische Entwässerungs-Genossenschaft, LINEG Zentrallabor
Moers
2007
Ringversuch Phytoplankton 2007
Liverpool John Mooles University
Liverpool
2007
Ringversuch Phytoplankton 2007
Lüttig und Friends GbR
Berlin
2007
Ringversuch Phytoplankton 2007
Miljøbiologisk Laboratorium ApS
Humlebæk
2007
Ringversuch Phytoplankton 2007
National Institute of Biology, Laboratory for toxicology and freshwater mon...
Ljubljana
2007
Ringversuch Phytoplankton 2007
Ruhrverband, Zentralbereich Laboratorium und Gewässerbeschaffenheit
Essen
2007
Ringversuch Phytoplankton 2007
Scottish Envoronment Protection Agency, East Kilbride Office
Glasgow
2007
Ringversuch Phytoplankton 2007
Staatliche Umweltbetriebsgesellschaft, FB Gewässerökologie
Neusörnewitz
2007
Ringversuch Phytoplankton 2007
Staatliche Umweltbetriebsgesellschaft, FB Gewässerökologie
Neusörnewitz
2007
Ringversuch Phytoplankton 2007
Staatliche Umweltbetriebsgesellschaft, FB Gewässerökologie
Bad Düben
2007
Ringversuch Phytoplankton 2007
Staatliche Umweltbetriebsgesellschaft, FB Gewässerökologie
Neusörnewitz
2007
Ringversuch Phytoplankton 2007
Staatliche Umweltbetriebsgesellschaft, FB Gewässerökologie
Neusörnewitz
2007
Ringversuch Phytoplankton 2007
Umweltbundesamt
Berlin
2007
Ringversuch Phytoplankton 2007
Umweltbundesamt, Qualitätssicherungsstelle
Berlin
2007
Ringversuch Phytoplankton 2007
VWW Verbund-Wasserwerk Witten GmbH, Labor der Stadtwerke Witten, GWV und AG...
Witten
2007
Ringversuch Phytoplankton 2007
Wahnbachtalsperrenverband, Biologisches Labor
Siegburg
2007
Ringversuch Phytoplankton 2007
Wasserverband Siegen Wittgenstein, Trinkwasseraufbereitungsanlage Netphen-D...
Netphen-Dreis-Tiefenbach



Proficiency test

Since 2002, the proficiency test phytoplankton has been carried out on an international level by the LTV.

From 1.1.2025, we will no longer be able to offer ring tests to participants from countries outside the EU. We regret this decision and apologise for the inconvenience

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Design of our EQAT scheme

The EQAT design is focused on the application of the Utermöhl method using the inverted microscope and consists of three components. Components 1 and 2 are methodological, focussing on the enumeration and biovolume calculation and component 3 is taxonomic in nature.

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Procedure of our EQAT scheme

The EQAT scheme is divided into 9 phases, the status of which can be viewed on-line on our website. With the announcement of the EQAT scheme, the planned time schedule is communicated to the participants.

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Requirements for participation, costs and evaluation

Only laboratories that have the personnel and equipment required for the EQAT proficiency test phytoplankton can participate in our scheme. Each participant in the EQAT scheme requires an individual registration.

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About the organiser

The EQAT phytoplankton proficiency tests are an activity of the Landestalsperrenverwaltung des Freistaates Sachsen (LTV). 

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Reports

Since 2005, the evaluation of the results has been carried out in accordance with DIN 38402 – 45: 2014 using robust statistical methods.

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