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 September 2018.

The registration for the 21th Needle/Leaf Interlaboratory Comparison Test is open up from now – a detailed invetation paper will be submitted to the laboratories in February 2018. The participation fee is 250€. The possible parameters are N, S, P, Ca, Mg, C, Fe, Mn, Zn, Cu, Pb, Cd, B, As, Cr, Co, Hg and Ni. Detailed information and the registration page you can find here.

All the best,

Alfred Fürst