Indicators to be used include the change in:
Worksheets A1 to A4 in Section 17.5 may be used to assist in the assessments required to appraise the air quality impacts of an option. Worksheet A4 is a supporting worksheet provided to address the wider reporting issues such as the performance of the option in relation to objectives or whether particular spatial and/or social groups are particularly affected. It may also be used to record the need for any mitigation or monitoring actions, uncertainty and the issue of significance.