Biological intercalibration: Invertebrates 1511 (ICP Waters report 109/2011)
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- NIVA-rapport 
The 15th intercalibration of invertebrates in the ICP Waters programme had contribution from four laboratories. The laboratories identified a high portion of the individuals in the test samples, usually > 90% of the total number of species. Few faults were recorded on genus level. The mean Quality assurance index was > 90% for all participating laboratories, indicating excellent taxonomic work.
PublisherNorsk institutt for vannforskning
ICP Waters report;109/2011