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2014 Progress Report North Hertfordshire District Council Progress Report 2014 In fulfilment of Part IV of the Environment Act 1995 Local Air Quality Management May 2014 May 2014 North Hertfordshire District Council DOCUMENT INFORMATION Local Authority: North Hertfordshire District Council Council Offices Gernon Road Letchworth Garden City Hertfordshire SG6 3JF Project Manager: David Carr Telephone: 01462 474263 Email: [email protected] Document Status and Approval Schedule Issue Status Description Prepared by Reviewed by 0 Draft Prepared David Carr Rory Cosgrove report 25/04/2014 20/05/2014 1 Final Issued to DEFRA David Carr Rory Cosgrove Report 21/05/2014 21/05/2014 May 2014 i North Hertfordshire District Council LAQM – Progress Report 2014 TABLE OF CONTENTS EXECUTIVE SUMMARY……………………………………………………………………………..v 1. INTRODUCTION .......................................................................................................... 1 1.1 DESCRIPTION OF LOCAL AUTHORITY AREA ....................................................................... 1 1.2 PURPOSE OF PROGRESS REPORT ................................................................................... 1 1.3 AIR QUALITY OBJECTIVES ............................................................................................... 2 1.4 SUMMARY OF PREVIOUS REVIEW AND ASSESSMENTS ....................................................... 3 2. NEW MONITORING DATA.......................................................................................... 5 2.1 SUMMARY OF MONITORING UNDERTAKEN ........................................................................ 5 2.1.1 Automatic Monitoring Sites .................................................................... 5 2.1.2 Non-Automatic Monitoring Sites............................................................. 8 2.2 COMPARISON OF MONITORING RESULTS WITH AIR QUALITY OBJECTIVES ........................ 11 2.2.1 Nitrogen Dioxide .................................................................................. 11 2.2.2 Automatic Monitoring Data ................................................................... 11 2.2.3 Non-automatic Monitoring Data ............................................................ 12 2.2.4 Particulate Matter (PM 10 )...................................................................... 16 2.2.5 Sulphur Dioxide.................................................................................... 17 2.2.6 Benzene............................................................................................... 17 2.2.7 Other Pollutants ................................................................................... 18 2.2.8 Summary of Compliance with Air Quality Strategy Objectives.............. 18 3. NEW LOCAL DEVELOPMENTS............................................................................... 18 3.1 ROAD TRAFFIC SOURCES .............................................................................................. 18 3.2 OTHER TRANSPORT SOURCES ...................................................................................... 18 3.3 INDUSTRIAL SOURCES .................................................................................................. 18 3.4 COMMERCIAL AND DOMESTIC SOURCES ......................................................................... 19 3.5 NEW DEVELOPMENTS WITH FUGITIVE OR UNCONTROLLED SOURCES .............................. 19 4. LOCAL AIR QUALITY STRATEGY........................................................................... 19 5. PLANNING APPLICATIONS ..................................................................................... 19 6. AIR QUALITY PLANNING POLICIES....................................................................... 20 7. LOCAL TRANSPORT PLANS AND STRATEGIES.................................................. 20 8. CLIMATE CHANGE STRATEGIES........................................................................... 20 9. IMPLEMENTATION OF ACTION PLANS ................................................................. 20 9.1 ACTION PLAN PROGRESS .............................................................................................. 20 10. CONCLUSIONS AND PROPOSED ACTIONS ......................................................... 27 10.1 CONCLUSIONS FROM NEW MONITORING DATA ............................................................... 27 10.2 CONCLUSIONS RELATING TO NEW LOCAL DEVELOPMENTS .............................................. 27 10.3 PROPOSED ACTIONS ..................................................................................................... 27 11. REFERENCES ........................................................................................................... 28 May 2014 ii North Hertfordshire District Council APPENDICES APPENDIX 1 Air Quality Management Area (AQMA) …………………………………………...29 APPENDIX 2 Quality Assurance / Quality Control (QA/QC)…………………………………….30 APPENDIX 3 Site Location Maps for Diffusion Tube Network…………………………………..32 APPENDIX 4 Monthly Diffusion Tube Data………………………………………………………..45 APPENDIX 5 Fall off in Nitrogen Dioxide Concentrations with Distance from Roads………..46 May 2014 iii North Hertfordshire District Council LAQM – Progress Report 2014 FIGURES Figure 1. North Hertfordshire District 1 Figure 2. Location of NOx Automatic Monitoring Site, Stevenage Road, Hitchin 6 Figure 3. Location of PM 10 & NOx Automatic Monitoring Site, Paynes Park, Hitchin 7 Figures A3.1 – A3.13 Location of Diffusion Tube Network (Appendix 3) 32 TABLES Table 1.1 Air Quality Objectives for Local Air Quality Management in England 2 Table 1.2 Summary of Previous Review and Assessments 3 Table 2 Details of Automatic Monitoring Sites 8 Table 3 Details of Non-Automatic Monitoring Sites 10 Table 4 Results of Automatic Monitoring for Nitrogen Dioxide: Comparison 3 with Annual Mean Objective (40 µg/m ) and Hourly Mean 3 Objective (200 µg/m ) 11 Table 5 Results of Automatic Monitoring for Nitrogen Dioxide since 2010: 3 Comparison with Annual Mean Objective (40 µg/m ) 12 Table 6 Results of Non-Automatic Monitoring for Nitrogen Dioxide: Comparison 3 with Annual Mean Objective (40 µg/m ) 13 Table 7 Results of Non-Automatic Monitoring for Nitrogen Dioxide in the Payne’s Park area of Hitchin since 2010: Comparison with Annual Mean 3 Objective (40 µg/m ) 14 Table 8 Results of Non-Automatic Monitoring for Nitrogen Dioxide in the Stevenage Road area of Hitchin since 2010: Comparison with Annual 3 Mean Objective (40 µg/m ) 15 Table 9 Results of Non-Automatic Monitoring for Nitrogen Dioxide in Baldock 3 since 2010: Comparison with Annual Mean Objective (40 µg/m ) 16 Table 10 Results of Automatic Monitoring for Particulate Matter: Comparison with 3 Annual Mean Objective (40 µg/m ) 16 Table 11 Results of Automatic Monitoring for Particulate Matter: Comparison with 3 24-Hour Mean Objective (50 µg/m ) 17 Table 12 Results of Automatic Monitoring for Particulate Matter since 2010: 3 Comparison with the Annual Mean Objective (40 µg/m ) 17 Table 13 Results of Automatic Monitoring for Particulate Matter since 2010: 3 Number of days on which Daily Mean Objective (50µg/m ) was exceeded 17 May 2014 iv North Hertfordshire District Council Executive Summary Part IV of the Environment Act 1995 places a statutory duty on Local Authorities to review and assess the air quality within their area and take account of the Government guidance when undertaking such work. This Progress Report is a requirement of the Fifth Round of the Local Authorities’ Review and Assessment duties. The Progress Report 2014 has been undertaken in accordance with Technical Guidance LAQM.TG(09) (1) . The Progress Report 2014 provides an update on air quality issues for North Hertfordshire District Council after the 2013 Progress Report completed in May 2013 (2) . It considers all new monitoring data and assesses the data against the Air Quality Objectives as well as considering any development changes that may have an impact on air quality and updating any relevant strategy and policy changes. NHDC used automatic analysers to monitor for particulate matter (PM 10 ) and nitrogen dioxide (NO 2) in one location, Payne’s Park/Upper Tilehouse Street (Hitchin Library) roundabout, Hitchin. It also used an automatic analyser to monitor NO 2 at a roadside location at Stevenage Road, Hitchin. Accompanying the automatic analysers NHDC has a network of 37 diffusion tubes to measure NO 2 across the district. The mean annual average air quality objective for NO 2 was exceeded at the following automatic analyser location and diffusion tube monitoring locations: Automatic analyser: • Stevenage Road (A602), Hitchin = (NH_stv) Diffusion tubes: • Hitchin (A602) = (NH45), (NH92), (NH103), (NH105), (NH106) Stevenage Road (Hitchin Hill Roundabout) • Hitchin (A505/A602) = (NH93), (NH82), (NH77) Park Way / Upper Tilehouse Street (Payne’s Park roundabout) The data obtained from the NH93 location are sufficient to require a Detailed Assessment to be undertaken in that area because of the potential for the annual 3 mean average air quality objective for NO 2 of 40 µg/m to be exceeded at a relevant receptor, namely 41 Upper Tilehouse Street. A Detailed Assessment focussing on the Payne’s Park area, specifically Park Way and Upper Tilehouse Street, to include dispersion modelling based on 2013 data will be completed and reported to Defra during 2014/15. Despite showing an improvement in air quality during 2013 compared to 2012 and 2011 the data obtained from the Stevenage Road monitoring locations confirmed the relevance
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