The graphs are based on the annual mean concentration values. They present the range of concentrations at all station types (in ng/m3) officially reported by the EU Member States and how the concentrations relate to the target value set by EU legislation (marked by the red line).
The diagram indicates the lowest and highest observations, the means and the lower and upper quartiles. The lower quartile splits the lowest 25 % of the data and the upper quartile splits the highest 25 % of the data.
Based on a minimum of 15 % data coverage.
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The best way to dispose of paint is to deliver it to your local specialist waste recycling centre. If you do not have access to one of these, let the paint dry fully, adding sawdust or cat litter as needed, before putting it in the dustbin. Don't throw it down the drain, because it is toxic and it interferes with the processes of water treatment plants.
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