The Polish Forest Research Institute invites all laboratories that perform deposition and soil solution analyses in ICP Forests to participate in the 11th Working Ring Test in order to assess the quality of the deposition and soil solution data collected in the ICP Forests programme on the Intensive Monitoring of Forest Ecosystems (EC-UN/ECE ICP Forests). The registration deadline is 30th September 2021.

All necessary information are available in the document below. If you have any…

48 laboratories in 23 countries participated in the 23rd Needle/Leaf Interlaboratory Test, but only 47 laboratories send their results in time.

The following test samples were submitted to the participants:

Beech leaves (Austria), Spruce needles (Slovenia) - same sample like in the 19th Test (Sample 1), Spruce needles (Austria) and Ash leaves…

The Croatian Forest Research Institute is glad to invite laboratories to participate in the 10th ICP Forests Soil Interlaboratory Comparison in 2021. The registration deadline is 15-Apr-2021.

All necessary information you will find here (Invitation letter).

If you have any questions, do not hesitate to contact Tamara Jakovljevic (tamaraj@sumins.hr) from…

Dear participants of the 10th Deposition and soil solution WRT 2020,

The automatic data evaluation based on the median values has been completed and cross-checked. In total 37 laboratories participated in the exercise.

You can check now the results and qualification report of your laboratory at http://bfw.ac.at/depo/ring_depo.login by entering your laboratory code and your password.

The report can be downloaded at…

Together with 30 participants from 16 countries we had a successful meeting of the heads of the labs in Brasov/Romania from 5^th till 6^th of September 2019! The meeting was very well organized by Dora Lucaci and her team. We discussed the results of the last ring tests (water, foliage and soil). Limits for heavy metals (Cd, Co, Cr, Cu, Ni, Pb and Zn) in water samples were fixed and water ringtest will be performed annually. The future of aqua regia digestion from soil…

Dear colleagues,

the final report from the 20th Needle/Leaf Interlaboratory Comparison Test is available. You find detail information and the download here. Keep in mind that the re-qualification procedure – if needed - must be finished till 1^st of…

Dear colleagues,

the results of the 19th Needle/Leaf Interlaboratory Comparison Test are available on the FFCC homepage. Your qualification reports can be downloaded from the ringtest web-interface. You had to login here with your lab code and your password. The following ICP-Forests laboratories (=laboratories analysing…

Dear colleagues,

registration for this test ended in July 2016 - till now 45 laboratories participate (see timetable). For this test three spruce and one pine needle sample were prepared. The results for the elements S, N. P, K, Ca, Mg, C, Zn, Mn, Fe, Cu, Pb, Cd and B will be evaluated. Other elements can be analyzed – especially results of heavy metals like As, Co, Cr, Hg, Mo, Ni, Tl and V are most welcome.…

Dear colleagues,



the results of the 17th Needle/Leaf Interlaboratory Test are available on the FFCC homepage. The qualification reports can be downloaded from the ringtest web-interface. You had to login here with your lab code and your password. The following ICP-Forests laboratories (=laboratories analysing monitoring samples from…

Dear colleagues,

the results of the 16th Needle/Leaf Interlaboratory Test are available on the FFCC homepage (http://bfw.ac.at/rz/bfwcms2.web?dok=4008224). The qualification reports can be downloaded from the ringtest web-interface (http://bfw.ac.at/ws/ring_nadel.login), you had to login with your lab code and your password. Please, keep in mind that re-qualification for…