anx_V__para__4

The percentages for uncertainty in Tables 1 and 2 of this Point apply for all limit values and target values that are calculated by simple averaging of individual measurements such as hourly mean, daily mean or yearly mean values without considering the additional uncertainty for the calculation of the number of exceedances. The uncertainty shall be interpreted as being applicable in the region of the appropriate limit values or target values. The uncertainty calculation does not apply to AOT40 and values that include more than 1 year, more than one sampling point (e.g. AEI) or more than one component. They are also not applicable for alert thresholds, information thresholds and critical levels for the protection of vegetation and natural ecosystems.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.