Updating and Screening Assessment 2015
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East Lothian Council 2015 Updating and Screening Assessment for East Lothian Council In fulfillment of Part IV of the Environment Act 1995 Local Air Quality Management October 2015 LAQM USA 2015 1 East Lothian Council LAQM USA 2015 2 East Lothian Council Local Authority Colin Clark Officer Department Partnership & Services for Communities John Muir House HADDINGTON Address East Lothian EH41 3HA Telephone 01620 827443 e-mail [email protected] Report Reference U&SA 2015 number Date October 2015 LAQM USA 2015 3 East Lothian Council Executive Summary This report presents the results of the Updating and Screening Assessment of local air quality within East Lothian Council. The Updating and Screening Assessment represents the first step in the current round of the management of local air quality, as required by Part IV of the Environment Act, 1995. The objective of the Updating and Screening Assessment is to provide a checklist approach to identify those matters that have changed since the previous round of review and assessment was completed in 2014, and which may now require further assessment. The Updating and Screening Assessment report should identify where there is a risk of an air quality objective being exceeded at a location with relevant public exposure by use of simple screening assessments and other similar tools. Where a risk has been identified the local authority is required to undertake a Detailed Assessment to identify with reasonable certainty whether or not an exceedence will occur. Following on from the 2013 Progress Report (Ref 20), passive monitoring of Nitrogen dioxide (NO2) in Musselburgh indicated concentrations at various locations that continued to exceed, or were very close to, the Annual Mean Objective. Accordingly, in November 2013 an Air Quality Management Area (AQMA) was declared in Musselburgh (Ref 21) in relation to breaches and likely breaches of the Nitrogen Dioxide annual mean air quality objective. The extent of the AQMA is High Street, Musselburgh (A199) from its junction with Newbigging and extending westwards to the junction with Bridge Street and Mall Avenue. In September 2014 East Lothian Council carried out a Further Assessment (Ref 22) to assess the present and future air quality within the existing AQMA and the reasons for this. The assessment provides the technical justification for the measures the authority later includes in any action plan. The Further Assessment was completed in September 2014. The study has confirmed the findings of a previous Detailed Assessment (Ref 18), namely that there are exceedences of the annual mean NO2 objective where relevant exposure exists. The contour plots and dispersion modelling prepared for this study, and monitoring results for 2014, indicate that the current AQMA boundary includes all relevant sources and does not require revocation or amendment at this time. It is estimated that ambient NOx reductions in the AQMA of up to 27% at some locations are required in order to achieve compliance with the annual mean NO2 objective. The source apportionment exercise of NOx indicates that emissions from buses form the largest contribution to roadside NOx concentrations at all locations along the High St AQMA. Modelling of the mitigation scenarios indicates that an integrated package of interventions would provide the best NOx reductions. Measures that reduce overall traffic, reduce queuing and reduce bus numbers, where appropriate, will reduce road NOx significantly. These measures are however very challenging (both financially and technically) to implement. The 2015 Updating & Screening Assessment confirms that NO2 emissions on Musselburgh High Street continue to exceed, or are very close to, the Annual Mean Air Quality Objective at some locations within the AQMA. An Action Plan is currently being developed to identify what precise mitigation measures will be taken by the Council to ensure pollutant concentrations are brought back down to below Objective Levels. It is anticipated that the first draft of the Action Plan will be available for consultation with relevant Stakeholders early in 2016. The next course of action for East Lothian Council in the Review and Assessment process is the submission of a Progress Report by April 2016. LAQM USA 2015 4 East Lothian Council LAQM USA 2015 5 East Lothian Council Table of contents 1 Introduction ...................................................................................................... 8 1.1 Description of Local Authority Area ................................................................................... 8 1.2 Purpose of Report .............................................................................................................. 9 1.3 Air Quality Objectives ........................................................................................................ 9 1.4 Summary of Previous Review and Assessments ............................................................ 10 2 New Monitoring Data ..................................................................................... 14 2.1 Summary of Monitoring Undertaken ................................................................................ 14 2.1.1 Automatic Monitoring Sites .............................................................................................. 14 2.1.2 Non-Automatic Monitoring Sites ...................................................................................... 16 2.2 Comparison of Monitoring Results with Air Quality Objectives ....................................... 21 2.2.1 Nitrogen Dioxide .............................................................................................................. 21 2.2.2 Particulate Matter - PM10 ................................................................................................. 27 2.2.3 Sulphur Dioxide (SO2)...................................................................................................... 28 2.2.4 Benzene ........................................................................................................................... 28 2.2.5 Other pollutants monitored .............................................................................................. 28 2.2.6 Summary of Compliance with AQS Objectives ............................................................... 28 3 Road Traffic Sources ..................................................................................... 29 3.1 Narrow Congested Streets with Residential Properties Close to the Kerb ..................... 29 3.2 Busy Streets Where People May Spend 1-hour or More Close to Traffic ....................... 30 3.3 Roads with a High Flow of Buses and/or HGVs. ............................................................. 31 3.4 Junctions .......................................................................................................................... 32 3.5 New Roads Constructed or Proposed Since the Last Round of Review and Assessment ................................................................................................................................. 33 3.6 Roads with Significantly Changed Traffic Flows .............................................................. 34 3.7 Bus and Coach Stations .................................................................................................. 35 4 Other Transport Sources ............................................................................... 36 4.1 Airports ............................................................................................................................. 36 4.2 Railways (Diesel and Steam Trains) ............................................................................... 36 4.2.1 Stationary Trains .............................................................................................................. 36 4.2.2 Moving Trains .................................................................................................................. 37 4.3 Ports (Shipping) ............................................................................................................... 38 5 Industrial Sources .......................................................................................... 39 5.1 Industrial Installations ...................................................................................................... 39 5.1.1 New or Proposed Installations for which an Air Quality Assessment has been Carried Out ...................................................................................................................................... 39 5.1.2 Existing Installations where Emissions have Increased Substantially or New Relevant Exposure has been Introduced ........................................................................................ 40 LAQM USA 2015 6 East Lothian Council 5.1.3 New or Significantly Changed Installations with No Previous Air Quality Assessment ..................................................................................................................................... 41 5.2 Major Fuel (Petrol) Storage Depots ................................................................................. 42 5.3 Petrol Stations.................................................................................................................. 42 5.4 Poultry Farms................................................................................................................... 43 6 Commercial and Domestic Sources ............................................................