QualcoDuna Proficiency Testing Scheme

2023 Round IV. Sample distribution

To download work instructions and data report sheets for the 2023/Round IV. sample distribution click here.

Published: 10/10/2023


2023 Round III. Sample distribution

To download work instructions and data report sheets for the 2023/Round III. sample distribution click here.

Published: 31/08/2023


2023 Round S04. CONTAMINATED SOIL and WASTE sampling proficiency test

To download work instructions for the 2023/Round S04. sampling exercise click here.

Published: 15/08/2023


2023 Round S02. SURFACE WATER and GROUNDWATER sampling proficiency test

To download work instructions for the 2023/Round S02. sampling exercise click here.

Published: 02/05/2023


2023 Round II. Sample distribution

To download work instructions and data report sheets for the 2023/Round II. sample distribution click here.

Published: 02/05/2023


2023 Round I. Sample distribution

To download work instructions and data report sheets for the 2023/Round I. sample distribution click here.

Published: 01/03/2023


2023 QualcoDuna Proficiency Testing Scheme launched

Application for the 2023 QualcoDuna Proficiency Testing Scheme is open. For more information see 2023 scheme documents.
Application deadline: February 08, 2023.

Published: 01/01/2023


Change of company name

From 01 January 2023, the name of WESSLING Nonprofit Ltd. changes to QualcoDuna Proficiency Testing Hungary Nonprofit Ltd. Our activities and other company data are unaffected,  organisation of QualcoDuna Proficiency Testing Scheme will continue unchanged by the same personnel.

Published: 13/12/2022


Application for QualcoDuna Proficiency Testing Scheme 2023

Application for the 2023 QualcoDuna Proficiency Testing Scheme will open in early January 2023.

Published: 07/12/2022