Deposition and Soil Solution Ringtest and QA/QC information

Atmospheric deposition and soil solution Working Ringtest programme

Anna KOWALSKA

IBL - Forest Research Institute

3 Braci Lesnej St.

05-090-Raszyn

POLAND 

Email: A.Kowalska@ibles.waw.pl​

The Atmospheric deposition and soil solution Working Ringtest programme is running every year. The usual schedule is:

  • Informing the possible participating labs via email (end of each year - e.g. 2021, 2022, 2023,...)
  • Registration of the participants via internet (beginning of each year - e.g. 2021, 2022, 2023,...)
  • Distribution of the test samples and the invoice (winter/spring)
  • Deadline of data submission (spring)
  • Results (spring)
  • Re-qualification process finished (spring/summer)

The ringtest is financed with a participation fee and ringtest sample preparation from participants.

Instructions for ringtest sample preparation

Please, keep in mind that submission of the monitoring results to the PCC database is only possible if your lab participated in the ring test for all submitted parameters. If you want to participate and you need a labcode or/and a password - please, contact Anna Kowalska.

Webinterface for registration and data submisson

Evaluation procedure

Requalification procedure

Reports from older tests

10th Deposition and soil solution working ringtest 2020

9th Deposition and soil solution working ringtest 2019

8th Deposition and soil solution working ringtest 2017

7th Deposition and soil solution working ringtest 2015

6th Deposition and soil solution working ringtest 2013

5th Deposition and soil solution working ringtest 2011

4th Deposition and soil solution working ringtest 2010

3rd Deposition and soil solution working ringtest 2009

2nd Deposition and soil solution working ringtest 2005

1st Deposition and soil solution working ringtest 2002

Additional documents and Excel sheets for deposition and soil solution

Review of possible quality checks and other forms of assistance (Version 1, May 2008)

Excel file for analytical data validation

new excel file for analytical data validation (with DOC)

Excel file for the calculation of alkalinity

Excel file for definition of QA/QC methods within single laboratories

Excel file with instruction and example of control chart use

Internal Quality Control (Nordtest TR569)

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