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Air quality review and assessment

The Environment Act (1995) requires all Local Authorities to Review and Assess the air quality in their area. In areas where the air quality objectives are not anticipated to be met, Councils are required to establish Air Quality Management Areas (AQMA).

Since 2000, in accordance with the air quality regulations we have been engaged in an on-going program of air quality modelling and monitoring throughout the District. The key pollutants we were required to assess were nitrogen dioxide, sulphur dioxide, benzene, 1-3 butadiene, lead, particles and carbon monoxide.

The nature of Aylesbury Vale being largely rural/suburban with little major industrial activity means that the key source of these pollutants is from road traffic.

Throughout the air quality review and assessment process, Aylesbury Vale DC has worked closely with the national experts in this field i.e. the National Environmental Technology Centre (NETCEN). All of our conclusions and recommendations are based on real time monitoring and modelling undertaken by NETCEN.

Also, we have followed the procedures outlined in the national technical and policy guidance provided by Department for Environment, Food and Rural Affairs (DEFRA).

During our first review and assessment undertaken in 2001 it was concluded that it was unlikely that there would be any exceedences of the air quality objectives.  

We were required to undertake a second review and assessment in 2004. As a result of the experiences gained from the first round of assessments undertaken nationally, the technical guidance issued by Central Government and recommended modelling techniques were refined. In applying the new modelling techniques to the town centre areas, a potential exceedence of the nitrogen dioxide annual mean objective was identified. This was followed by automatic road side monitoring undertaken for a period of 9 months.

The results of the monitoring confirmed that the air quality objective for nitrogen dioxide was likely to be exceeded by the relevant date along a short stretch of Tring Road, Aylesbury, where there are properties on both sides of the road close to the kerb. Therefore, based on the technical and policy guidance it was necessary to declare an Air Quality Management Area in this location.

The results of the monitoring and our conclusion that an AQMA was necessary were endorsed by the DEFRA who regulate and implement the national air quality policy and strategy.

Taking into account all of the currently available monitoring data, the boundary of the AQMA was limited to the area shown. The alternative of declaring a wider area e.g. within the inner ring road or Aylesbury Town centre could not be justified based on current knowledge.

In April 2006 we completed our second updating and screening assessment which recommended progression to a detailed assessment for nitrogen dioxide. The detailed assessment was completed and submitted to DEFRA in April 2007. The report recommends the declaration of two additional AQMAs in Aylesbury.

Our next updating and screening assessment is due in April 2009.

Date Updated: 24/04/08

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Air quality review and assessment

Air quality standards review and assessment produced by Environmental Health

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Air quality updating and screening assessment

Air quality updating and screening assessment October 2003

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Map showing Air Quality Management Area for Tring Road, Aylesbury

 

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Detailed Assessment for Nitrogen Dioxide 2007

 

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Detailed Assessment for Nitrogen Dioxide in Aylesbury 2004

 

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Buckinghamshire Air Quality Strategy

 

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Tring Road Air Quality Management Area Justification Report

 

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Air Quality Updating and Screening Assessment January 2006

 

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Contact information

Telephone:

01296 585199

Email:

envhealth@aylesburyvaledc.gov.uk

AVDC
66 High Street
Aylesbury
Bucks HP20 1SD

Telephone:

01296 585858

Minicom:

01296 585055

Fax:

01296 585640

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