Air quality expert group - Fine particulate matter (PM2.5) in ... - Defra

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Terms of reference AQEG is an expert committee of Defra and considers current knowledge on air pollution and provides advice on such things as the levels, sources and characteristics of air pollutants in the UK. AQEG reports to Defra’s Chief Scientific Adviser, Defra Ministers, Scottish Ministers, the Welsh Government and the Department of the Environment in Northern Ireland (the Government and Devolved Administrations). Members of the Group are drawn from those with a proven track record in the fields of air pollution research and practice. AQEG’s functions are to: • Provide advice to and work collaboratively with: officials and key office holders in Defra and the Devolved Administrations; other delivery partners and public bodies; and EU and international technical expert groups; • Report to Defra’s Chief Scientific Adviser (CSA): Chairs of expert committees will meet annually with the CSA; and will provide an annual summary of the work of the Committee to the Science Advisory Council (SAC) for Defra’s Annual Report. In exception, matters can be escalated to Ministers; • Support the CSA as appropriate during emergencies; • Contribute to developing the air quality evidence base: analyse, interpret and synthesise evidence; provide judgements on quality and relevance; suggest priority areas for future work; and advise on Defra’s implementation of the air quality evidence plan (or equivalent); • Give advice on current and future levels, trends, sources and characteristics of air pollutants in the UK; • Provide independent advice and operate in line with the Government’s Principles for Scientific Advice and the Code of Practice for Scientific Advisory Committees (CoPSAC). Expert Committee Members are independent appointments made through open competition, in line with OCPA guidelines on best practice for making public appointments. Members are expected to act in accord with the principles of public life. Further information on AQEG can be found on the Group’s website at: http://www.defra.gov.uk/environment/quality/air/air-quality/committees/aqeg/ I
II Membership Chair Professor Paul Monks University of Leicester Members Professor Helen ApSimon Centre for Environmental Policy, Imperial College London Dr David Carruthers Cambridge Environmental Research Consultants (CERC) Dr David Carslaw Environmental Research Group, Kings College London Professor Dick Derwent OBE rdscientific Professor Roy Harrison OBE Division of Environmental Health and Risk Management, University of Birmingham Professor Duncan Laxen Air Quality Consultants Ltd John Stedman AEA Technology
Page 1 and 2: AIR QUALITY EXPERT GROUP Fine Parti
Page 3: This is a report from the Air Quali
Page 7 and 8: IV Acknowledgements The Air Quality
Page 9 and 10: VI 2.5 Summary 39 2.5.1 What does t
Page 11 and 12: VIII 5.4 Components of PM2.5 and so
Page 13 and 14: PM2.5 in the UK 2 Air Quality Direc
Page 15 and 16: PM2.5 in the UK 4 I.2.1 Concentrati
Page 17 and 18: PM2.5 in the UK 6 • PM2.5 emissio
Page 19 and 20: PM2.5 in the UK 8 I.4.1 Modelling r
Page 21 and 22: PM2.5 in the UK 10 4. In broad term
Page 23 and 24: PM2.5 in the UK Table 1.2: National
Page 25 and 26: PM2.5 in the UK 14 17. Dry depositi
Page 27 and 28: PM2.5 in the UK 16 in ozone in the
Page 29 and 30: PM2.5 in the UK 18
Page 31 and 32: PM2.5 in the UK 20 5. The exact for
Page 33 and 34: PM2.5 in the UK 22 12. These diffic
Page 35 and 36: PM2.5 in the UK 24 2.3 Methods used
Page 37 and 38: PM2.5 in the UK 26 (e) During the
Page 39 and 40: PM2.5 in the UK 28 2.3.3 The Partis
Page 41 and 42: PM2.5 in the UK 30 35. For non-auto
Page 43 and 44: PM2.5 in the UK 32 43. Ratification
Page 45 and 46: PM2.5 in the UK 34 49. Many of the
Page 47 and 48: PM2.5 in the UK 36 57. Black carbon
Page 49 and 50: PM2.5 in the UK 38 2.4.4 PM2.5 elem
Page 51 and 52: PM2.5 in the UK 40 average of 93.6%
Page 53 and 54: PM2.5 in the UK Annex 1 - PM2.5 mon
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PM2.5 in the UK 44
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PM2.5 in the UK 46 3.2.1 Diurnal va
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PM2.5 in the UK 48 PM2.5/µgm -3 20
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PM2.5 in the UK 50 3.2.4 Seasonal v
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PM2.5 in the UK 52 12. Results are
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PM2.5 in the UK 54 3.4.2 Relationsh
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PM2.5 in the UK 56 Correlation 0.8
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PM2.5 in the UK Figure 3.11: Polar
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PM2.5 in the UK 60 south. Further a
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PM2.5 in the UK 62 3.7 PM2.5 episod
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PM2.5 in the UK 64 secondary ammoni
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PM2.5 in the UK 66 3.8 PM2.5 concen
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PM2.5 in the UK 68 3.9 Composition
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PM2.5 in the UK 70 43. The UK has i
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PM2.5 in the UK 72 NO 3 6 4 2 2000
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PM2.5 in the UK 74 54. PM ammonium
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PM2.5 in the UK 76 58. Data from th
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PM2.5 in the UK 78 (k) Road traffic
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PM2.5 in the UK 80 provided by spec
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PM2.5 in the UK 82 14. The London L
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PM2.5 in the UK Table 4.1: UK emiss
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PM2.5 in the UK 86 24. National inv
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PM2.5 in the UK 88 Figure 4.5: Spat
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PM2.5 in the UK 90 either nanoparti
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PM2.5 in the UK 92 37. Further cons
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PM2.5 in the UK Emissions (ktonnes)
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PM2.5 in the UK 96 Figure 4.7: Spat
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PM2.5 in the UK 98 4.4 A critical a
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PM2.5 in the UK 100 60. At a local
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PM2.5 in the UK 102 measurements an
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PM2.5 in the UK 104 4.5.2 Quantifyi
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PM2.5 in the UK 106 77. Early effor
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PM2.5 in the UK 108 4.6.1 Receptor
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PM2.5 in the UK 110 is predicated o
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PM2.5 in the UK 112 PM2.5 contribut
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PM2.5 in the UK 114 inorganic parti
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PM2.5 in the UK 116 93. While there
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PM2.5 in the UK 118 100% 90% 80% 70
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PM2.5 in the UK 120 105. Receptor m
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PM2.5 in the UK 122
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PM2.5 in the UK 124 5. At the regio
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PM2.5 in the UK 126 15. Some of the
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PM2.5 in the UK 128 Figure 5.2: Tot
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PM2.5 in the UK 130 µgm -3 160 140
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PM2.5 in the UK 132 PM component (
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PM2.5 in the UK 134 with larger dev
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PM2.5 in the UK 136 Figure 5.8: UKI
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PM2.5 in the UK Figure 5.9: Compari
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PM2.5 in the UK 140 PM2.5 concentra
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PM2.5 in the UK 142 the North Sea (
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PM2.5 in the UK 144 53. Modelling r
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PM2.5 in the UK Annex 2: PM modelli
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PM2.5 in the UK 148 2. Figure A2.1.
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PM2.5 in the UK 150 6. The non-line
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PM2.5 in the UK 152 Model 50 45 40
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PM2.5 in the UK 154 (a) (b) modPM 2
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PM2.5 in the UK 156 NO3 - concentra
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PM2.5 in the UK 158 26. This was in
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PM2.5 in the UK 160 SIA components
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PM2.5 in the UK 162 x 50 km grid fo
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PM2.5 in the UK 164 A2.6: Photochem
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PM2.5 in the UK 166 PM2.5 Emission
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PM2.5 in the UK 168 A2.8: PCM PM mo
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PM2.5 in the UK 170 illustrated by
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PM2.5 in the UK 172 trajectory mode
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PM2.5 in the UK 174
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PM2.5 in the UK 176 4. The delivery
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PM2.5 in the UK 178 12. With respec
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PM2.5 in the UK 180
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PM2.5 in the UK Chapter 2: Measurin
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PM2.5 in the UK RoTAP (2012). Revie
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PM2.5 in the UK Harrison R.M. and Y
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PM2.5 in the UK Chapter 5 Modelling
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PM2.5 in the UK Jones A.M., Harriso
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PB13837 Nobel House 17 Smith Square
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Air quality expert group - Fine particulate matter (PM2.5) in ... - Defra

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