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Data about the effects on terrestrial organisms are not available. However, no relevant exposure of the terrestrial compartment is to be expected.

According to the available information about production and processing of potassium cyanate, and the uses identified, direct releases of potassium cyanate to the terrestrial compartment can be excluded. An input via sludge application on agricultural soil is considered to be negligible, too, as potassium cyanate does not adsorb to the sewage sludge to a significant extent. It can be concluded for all uses considered here, that the risk for the terrestrial compartment is low and no further information and/or testing is needed.