This guidance material, reflecting the approach brokered by the European Commission during the weekend of 17 and 18 April 2010 based on the experience of Eyjafjallajökull, now distinguishes between three degrees of ash contamination intended to be used operationally in Europe should there be further eruptions.
Need suunised kajastavad Euroopa Komisjoni poolt 2010. aasta 17.-18. aprilli nädalavahetusel vahendatud lähenemisviisi, mis põhines Eyjafjallajökulliga saadud kogemustel.