Hope Cement Dispersion Modelling V2
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Breedon Cement LTD (formally Hope Cement) Breedon Cement Improvement Conditions Air Quality Dispersion Modelling Report September 2017 THIS PAGE IS LEFT BLANK INTENTIONALLY Document Control Sheet Issue/Revision Issue 1 Issue 2 Remarks Draft for comment Final Date July 2017 September 2017 Robert Hough Robert Hough Submitted to (Environmental Development (Environmental Development Technician) Technician) Hannah Smith Hannah Smith Prepared by (Senior Consultant) (Senior Consultant) Signature Jamie Clayton Jamie Clayton Approved by (Principal Consultant) (Principal Consultant) Signature Project number 6429027 6429027 Disclaimer This Report was completed by Bureau Veritas on the basis of a defined programme of work and terms and conditions agreed with the Client. Bureau Veritas confirms that in preparing this Report it has exercised all reasonable skill and care taking into account the project objectives, the agreed scope of works, prevailing site conditions and the degree of manpower and resources allocated to the project. Bureau Veritas accepts no responsibility to any parties whatsoever, following the issue of the Report, for any matters arising outside the agreed scope of the works. This Report is issued in confidence to the Client and Bureau Veritas has no responsibility to any third parties to whom this Report may be circulated, in part or in full, and any such parties rely on the contents of the report solely at their own risk. Unless specifically assigned or transferred within the terms of the agreement, the consultant asserts and retains all Copyright, and other Intellectual Property Rights, in and over the Report and its contents. Any questions or matters arising from this Report should be addressed in the first instance to the Project Manager. Bureau Veritas UK Limited Telephone: +44 (0) 207 6610700 Registered Office Parklands Fax: +44 (0) 207 6610741 Suite 308 Fort Dunlop 825a Wilmslow Road, Didsbury Registered in England 1758622 Fort Parkway M20 2RE www.bureauveritas.co.uk Birmingham B24 9FD THIS PAGE IS LEFT BLANK INTENTIONALLY Breedon Cement – Breedon Cement Improvement Conditions Air Quality Dispersion Modelling Report Table of Contents Executive Summary .................................................................................................................................. 1 Introduction .................................................................................................................................. 1 1.1 Scope of Study ........................................................................................................................ 2 2 Dispersion Modelling Methodology ............................................................................................. 4 2.1 Process Emissions .................................................................................................................. 4 2.2 Meteorology............................................................................................................................. 6 2.3 Surface Characteristics ........................................................................................................... 8 2.4 Buildings ................................................................................................................................ 10 2.5 Modelled Domain and Receptors .......................................................................................... 10 2.6 Terrain ................................................................................................................................... 15 2.7 Deposition ............................................................................................................................. 16 2.8 Other Treatments .................................................................................................................. 19 2.9 Conversion of NO to NO 2 ...................................................................................................... 19 3 Background Pollutant Concentrations ....................................................................................... 21 3.1 Sensitivity Analysis and Uncertainty ..................................................................................... 22 3.2 Local Air Quality Management .............................................................................................. 23 4 Relevant Legislation and Guidance .......................................................................................... 24 4.1 EU Legislation ....................................................................................................................... 24 4.2 UK Legislation ....................................................................................................................... 24 4.3 Local Air Quality Management .............................................................................................. 25 4.4 Environmental Permitting Regulations (EPR) ....................................................................... 26 4.5 Other Guideline Values ......................................................................................................... 27 4.6 Criteria Appropriate to the Assessment ................................................................................ 27 4.7 Critical Levels and Critical Loads Relevant to the Assessment of Ecological Receptors ..... 28 5 Dispersion Modelling Results .................................................................................................... 30 5.1 Human Receptors ................................................................................................................. 30 5.2 Ecological Receptors ............................................................................................................ 45 6 Conclusions ............................................................................................................................... 50 6.1 Dispersion Modelling Results ................................................................................................ 50 Appendices ........................................................................................................................................... 52 Appendix A: Pollutant Concentration Isopleths ..................................................................................... 53 Appendix B: Average Emission Rate Results ....................................................................................... 59 List of Tables Table 2.1 – Model Input Parameters ....................................................................................................... 5 Table 2.2 – Quality Check on Meterological Data .................................................................................. 8 Table 2.3 – Typical Surface Roughness Lengths for Various Land Use Categories.............................. 8 Table 2.4 – Modelled Buildings ............................................................................................................. 10 Table 2.5 – Assessed Human Receptors ............................................................................................. 11 Table 2.6 – Details of Modelled Ecological Receptors ......................................................................... 14 Table 2.7 – Recommended Deposition Velocities ................................................................................ 17 Table 2.8 – Deposition Conversion Factors .......................................................................................... 18 Table 2.9 – Acidification Conversion Factors........................................................................................ 18 Table 2.10 – Estimated Background Deposition Rates ........................................................................ 19 Bureau Veritas 6427468 i Breedon Cement – Breedon Cement Improvement Conditions Air Quality Dispersion Modelling Report Table 3.1 – Background Annual Mean Concentrations used in the Assessment ................................. 22 Table 4.1 – Air Quality Standards, Objectives and Environmental Assessment Levels ....................... 28 Table 4.2 – Summary of Relevant Air Quality Standards and Environmental Assessment Levels for Ecological Receptors ............................................................................................................................ 29 Table 4.3 – Typical Habitat and Species Information Concerning Nitrogen Deposition from APIS ..... 29 Table 5.1 – NH 3 Emission Rates ........................................................................................................... 30 Table 5.2 – NH 3 Impacts at Human Receptors – Annual Mean EAL .................................................... 30 Table 5.3 – NH 3 Impacts at Human Receptors – Hourly Mean EAL .................................................... 32 Table 5.4 – NO 2 Impacts at Human Receptors – Maximum Emission Rate......................................... 33 Table 5.5 – SO 2 Impacts at Human Receptors – Maximum Emission Rate ......................................... 35 Table 5.6 – CO Impacts at Human Receptors – Maximum Emission Rate .......................................... 37 Table 5.7 – PM Impacts at Human Receptors – Maximum Emission Rate .......................................... 38 Table 5.8 – TOC Impacts at Human Receptors – Maximum Emission Rate ........................................ 40 Table 5.9 – HCl Impacts at Human Receptors – Maximum Emission Rate ........................................