Impressum

Working Group on quality assurance and quality control in laboratories

The Working Group has the task to further develop the harmonised methods in the field quality assurance and quality control in laboratories. The group closely cooperates with the Expert Panels "Deposition", "Foliage", and "Soil".

Chairperson

Nils König
Nordwestdeutsche Forstliche Versuchsanstalt
Grätzelstrasse 2
Tel. 0049-551-69401141
Fax. 0049-551-69401160
37079 Göttingen, GERMANY

Nils König

Members of the Working Group

contact persons

Documents / Presentations

Florence, Italy, 2008
Minutes of the meeting
A. Fürst: Plausible Ranges for Foliar and Litterfall Analyses
B. De Vos: Plausible Ranges for Soil Analyses
B. De Vos: Tolerable Limits for Soil Ring Tests
R. Mosello: Tolerable Limits for Water Ring Tests
N. Cools: 5th FSCC Soil Ring Test
A. Fürst: 10th FFCC Foliage Ring Test
N. Koenig: Proposed Quality Program for the FutMon Project

Eger, Hungary 2007
Minutes of the meeting
A. Fürst: 9th FFCC Foliage Ring Test

Zvolen, Slovak Republic 2007
Ongoing activities Presentation Zvolen 2007

Brussels, Belgium 2007
Minutes of the meeting
B. de Vos, N. Cools: Previous QA/QC work of the Soil Expert Panel
A. Fürst: Previous QA/QC work of the Expert Panel Foliar
R. Mosello: Previous QA/QC work of the Expert Panel Deposition
N. Cools: Evaluation of soil ring tests
R. Mosello: QA/QC for water samples
R. Mosello, N. König: QA/QC for water samples with DOC
B. de Vos, N. Cools: QA/QC for the BioSoil project

Ski, Norway 2006
R. Mosello: Activities of the Working Group on QA/QC in Laboratories

Rovaniemi, Finland 2005
K. Derome: Use of control charts as QA/QC tool
N. Koenig: Determination of total N

Ringtest results

1. Deposition and soil solution
Deposition and soil solution working ringtest 2005 (pdf 1.8 MB)
Deposition and soil solution working ringtest 2002 (pdf 1 MB)
2. Soil ringtests
FSCC soil ringtests
3. Needle/leaf ringtests
FFCC foliage ringtests

Presently ongoing ringests

1. Depostion and soil solution
presently there is no ongoing ringtest for deposition and soil solution

2. Soil
presently there is no ongoing ringtest for soil

continuous quality checking with soil reference material
3. Needle/leaf ringtests
ongoing FFCC tests

Excel files for quality assurance / Quality control

Excel file for analytical data validation

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

Excel file with instruction and example of control chart use

Scientific publications for download

see publications page

Analytical Info Sheets

General introduction

Topic	Empty template	Finalized sheet
method comparisons	(EPDMC)	MC1: SO4 - Comparison of ICP-, IC- and spectrophotometric determination in colored soil solutions MC2: Comparison of pH measurements in soils according to ISO 10390 and DIN 19684-1 MC3: Comparison of HTCO CLD and PO UV-220 nm oxidation
new methods	(EPDNM)	.
material tests	(EPDMT)	MT1: Leaching of PE-bottles MT2: Comparison of two wet-only samplers: ANDERSEN and EIGENBRODT UNS 130
sample pretreatment and storage	(EPDSP)	SP1: Pair-wise comparison of filtered and not filtered precipitation samples SP2: Storage of soil water and depo samples under diferent conditions SP3: Influence of filtration on TOC content in different water samples
technical information	(EPDTI)	.