Reason if measure not used Submitted None Data Dictionary Vocabularies Eionet Data Dictionary Technically not feasible No available technology or solution exists to address the issue in the specific context. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Economically disproportionate The cost of the measure would entail disproportionate costs. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Not relevant for pollutant(s) Measure not applicable to the pollutants exceeding limit values. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Insufficient funding or resources No available budget or staff to support the measure. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Not within the competence of the AQ plan authority The competence authority lies outside the AQ plan authority’s control. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Measure already implemented The measure is already in place; no further action needed. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Measure deemed ineffective Past evidence or modelling shows low impact on air quality (applicable for O3). Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Awaiting outcome of other actions Implementation paused pending results from other measures. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Lack of legal mandate Legislation does not permit or enable the implementation. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Conflicts with other policies The measure contradicts or undermines other existing policies, plans and/or measures. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Administrative or procedural delays Implementation is delayed due to legal, procurement, or planning processes. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Pending revision or update Measure under review or update before potential implementation. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Insufficient data or evidence Scientific or technical data is lacking to support implementation. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Low priority The measure is deprioritized in favor of more impactful or urgent actions. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used Public or stakeholder opposition Strong resistance from the public or key stakeholders prevents implementation. Valid Data Dictionary Vocabularies Eionet Data Dictionary Reason if measure not used