Air Quality Review & Assessment (Stage 4) 2003

Review and Assessment of Air Quality (Stage 4)

This Stage 4 Review and Assessment report summarises the further work undertaken as required under Part IV Environment Act 1995.

The report follows the declaration of two air quality management areas (AQMAs) in the district made on 26 November 2001. One order was made in relation to nitrogen dioxide in part of Haynes Road and Warminster Road, Westbury. The other order was made in relation to nitrogen dioxide and PM10 in Masons Lane, Market Street, Silver Street and part of St Margaret’s Street, Bradford On Avon.

The purpose of the further assessment is to enable the local authority to supplement information gathered in earlier review and assessment work. It also confirms the original assessment of air quality against the prescribed objectives.

The report is supplementary to the Stage 1, 2 and 3 review and assessment reports.

From the results of the monitoring and modelling carried out as part of the Stage 4 review and assessment it is recommended that a further 3 months of monitoring for PM10 is carried out with a view to removing PM10 from the order in Bradford On Avon, also a further four months of NO2 monitoring in St Margaret's Street will be carried out with a view to altering the AQMA boundary for NO2. The AQMA for nitrogen dioxide in Westbury will remain unchanged.

Main Report (pdf file, opens in new window)

Appendices

Appendix 1 Maps showing Air Quality Management Areas - Bradford On Avon - Westbury

Appendix 2 Response from DEFRA on Stage 3

Appendix 3 Location of Westbury analyser

Appendix 4 Location of new Westbury site

Appendix 5 Location of Bradford On Avon site

Appendix 6 Calibration checklist

Appendix 7 Pre-calibration checklist

Appendix 8 Location maps of diffusion tubes - Bradford On Avon - Westbury

Appendix 9 Graphs showing diffusion tube results:

Appendix 10 Windrose for Yeovilton

Appendix 11 Windrose for Lyneham

Appendix 12 Base case scenarios for Bradford On Avon and Westbury

Appendix 13 Base case scenario for PM10 and NO2 for Bradford on Avon