Intercalibration of Invertebrate Fauna. 9301 (ICP Waters report)
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- NIVA-rapport 
Eleven laboratories in seven countries participated in the first intercalibration on the invertebrate fauna. Compared with general accuracies of 20% the identification of the fauna was very good. For the whole material the mean fault percent was 4, but misidentifications in different groups could be higher. The quality of the identifications fulfil the demands for estimating the acidification index.
UtgiverNorsk institutt for vannforskning
ICP Waters report