Ringtest Reports
Older Deposition and Soil Solution Reports
- 15th Deposition and Soil Solution working ringtest 2026
- 14th Deposition and Soil Solution working ringtest 2025 - (Requalification Results)
- 13th Deposition and Soil Solution working ringtest 2024
- 12th Deposition and Soil Solution working ringtest 2023
- 11th Deposition and Soil Solution working ringtest 2021/22
- 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 2012
- 5th Deposition and Soil Solution working ringtest 2011
- 4th Deposition and Soil Solution working ringtest 2010
Older Foliage and Litterfall Reports
28th Needle and Leaf Interlaboratory Comparison Test 2025/2026
27th Needle and Leaf Interlaboratory Comparison Test 2024/2025 - (Requalification Results)
26th Needle and Leaf Interlaboratory Comparison Test 2023/2024
25th Needle and Leaf Interlaboratory Comparison Test 2022/2023
24th Needle and Leaf Interlaboratory Comparison Test 2021/2022
23rd Needle and Leaf Interlaboratory Comparison Test 2020/2021
22nd Needle and Leaf Interlaboratory Comparison Test 2019/2020
21st Needle and Leaf Interlaboratory Comparison Test 2018/2019
20th Needle and Leaf Interlaboratory Comparison Test 2017/2018
19th Needle and Leaf Interlaboratory Comparison Test 2016/2017
18th Needle and Leaf Interlaboratory Comparison Test 2015/2016
17th Needle and Leaf Interlaboratory Comparison Test 2014/2015
16th Needle and Leaf Interlaboratory Comparison Test 2013/2014
15th Needle and Leaf Interlaboratory Comparison Test 2012/2013
14th Needle and Leaf Interlaboratory Comparison Test 2011/2012
13th Needle and Leaf Interlaboratory Comparison Test 2010/2011
12th Needle and Leaf Interlaboratory Comparison Test 2009/2010
11th Needle and Leaf Interlaboratory Comparison Test 2008/2009
10th Needle and Leaf Interlaboratory Comparison Test 2007/2008
9th Needle and Leaf Interlaboratory Comparison Test 2006/2007
8th Needle and Leaf Interlaboratory Comparison Test 2005/2006
7th Needle and Leaf Interlaboratory Comparison Test 2004/2005
6th Needle and Leaf Interlaboratory Comparison Test 2003/2004
5th Needle and Leaf Interlaboratory Comparison Test 2001/2002
Older Soil Ringtest Reports
- 6th Soil Ringtest 2009
- 5th Soil Ringtest 2007
Part 1 (Annexes 1-4), Part 2 (Annex 5-0: Soil moisture content), Part 3 (Annex 5-1: Particle size distribution), Part 4 (Annex 5-2: Soil reaction, Part 5 (Annex 5-2: Soil reaction rounded), Part 6 (Annex 5-3: Carbonate content, Part 7 (Annex 5-4: Oranic carbon), Part 8 (Annex 5-5: Total nitrogen content), Part 9 (Annex 5-6a: Exchangeable cations 1), Part 10 (Annex 5-6b: Exchangeable cations 2), Part 11 (Annex 5-7a: Aqua regia extactable elements 1), Part 12 (Annex 5-7b: Aqua regia extractable elements 2), Part 13 (Annex 5-7c: Aqua regia elements 3), Part 14 (Annex 5-8: Total elements), Part 15 (Annex 5-9: Acid oxalate extractable Fe and Al) - 4th Soil Ringtest 2006
- 3th Soil Ringtest 2003


