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DOWNLOAD REPORTS

Archive of published reports, spreadsheet tools and presentations by Air Quality Consultants.

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NO2 and NOx Trends in the UK 2005 to 2018

Analysis of nitrogen dioxide and nitrogen oxides concentrations trends at road, urban and rural sites across the UK between 2005 and 2018

 
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Calibrating-Defra’s-2017-based-Background-NOx-and-NO2-Maps-against-2018-Measurements

Calibration of Defra's 2017-based background NOx and NO2 maps against 2018 measurements.

 
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Initial-Comparison-of-EFT-v9-with-EFT-v8-and-CURED-v3A-290519

Note comparing EFT v9 with EFT v8 and CURED v3A

 
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Final Report on Diffusion Tube Bias Adjustment

Report for the Scottish Government examining bias-adjustment factors for correcting nitrogen dioxide diffusion tube results as used by Scottish Local Authorities.

 
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Literature Review on Diffusion Tube Bias

Literature review for Scottish Government on factors affecting diffusion tube bias.

 
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2017 Background Map Calibration

Calibration of Defra's background NOx and NO2 maps against 2017 measurements.

 
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NO2 and NOx trends in the UK 2005 to 2016

Report summarising the results of a detailed analysis of nitrogen dioxide and nitrogen oxides trends in the UK between 2005 and 2016.

 
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Calculator Using Realistic Emissions for Diesels CURED V3A.

An MS Excel spreadsheet for calculation vehicle emissions. Previous versions (CURED V1A and CURED V2A) are still available on request.

 
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Adjusting Background NOx and NO2 maps for CURED V3A

Updated factors for deriving background NOx and NO2 concentrations for use with CURED V3A

 
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Development of CURED V3A

Note explaining the reasoning behind the CURED V3A emissions model and how it is formulated.

 
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CURED V2A Compared to COPERT 5.0

High-level comparison of the CURED V2A tool against the emissions from COPERT 5.0

 
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2016 Background Map Calibration

Calibration of Defra's background NOx and NO2 maps against 2016 measurements

 
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Air Quality Objectives and Occupational Air Quality Standards

Relationship between the UK Air Quality Objectives and Occupational Air Quality Standards

 
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Note on EFT7 and CURED2A Comparison August 2016

Note providing a high-level comparison of predictions using EFT V6.02, EFT V7.0, CURED V1A and CURED V2A.

 
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Adjusting Background NO2 Maps for CURED September 2016

Report setting out an approach to deriving background NOx and NO2 concentrations for use with the CURED V2A calculator. This has been updated from the version which accopanied Version 1A of CURED and uses factors which are specific to Version 2A of the calculator.

 
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Emissions of Nitrogen Oxides from Modern Diesel Vehicles

Report summarising the results from recent real-world emissions tests, providing comparisons with the COPERT model and Defra’s Emissions Factors Toolkit, and describing a reasonable worst-case sensitivity test for future-year modelling. Used to derive the CURED calculator.

 
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Combining Instantaneous Vehicle Emission Calculations with Dispersion Modelling to Identify Options to Improve Air Quality in Reigate and Banstead

Report on dispersion modelling with instantaneous vehicle emissions prepared for Reigate & Banstead Borough Council under a grant from Defra, September 2014.

 
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GLA-AQ-Neutral-Policy-Final-Report-April-2014-J1605

Report supporting the London Mayor's Air Quality Neutral Policy methodology

 
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Article for LTT, October 2013

Prof.Duncan Laxen and Stephen Moorcroft have an article published in Local Transport Today on the role of motor vehicles and air pollution over the last 20 years

 
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Report prepared for Defra, June 2013

Examples of Air Quality Action Plan Measures

 
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Report prepared for the Scottish Environment Protection Agency, July 2012

PM2.5 in the UK - Full Report.

 
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Report prepared for UK Environment Agencies, December 2010.

PM2.5 in the UK - Full Report.

 
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Report prepared for UK Environment Agencies, December 2010.

PM2.5 in the UK - Summary Report.

 
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Presentation: What advice for modelling future nitrogen dioxide

Presentation 'What advice for modelling future nitrogen dioxide" by Prof. Duncan Laxen at Dispersion Modellers User Group meeting in London on 1 December 2010.

 
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Report prepared for Transport for London (2010)

Local Measures for NO2 Hotspots in London. Produced with TRL Ltd to inform development of the Mayor’s Air Quality Strategy. It does not take account of the final Strategy, nor any revised modelling work or information subsequent to completion of the report in March 2010.

 
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Report prepared for Transport for London (2009)

Local Measures for PM10 Hotspots in London. Produced with TRL Ltd to inform development of the Mayor’s Air Quality Strategy. It does not take account of the final Strategy, nor any revised modelling work or information subsequent to completion of the report in December 2009.

 
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Report prepared for Defra (2009).

Review of Bus Fleet Compositions and Implications for Emissions Reduction Strategies

 
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MS Excel spreadsheet for calculation of the fall-off with distance of roadside NO2.

This calculator allows users to predict the annual mean NO2 concentration for a location (“receptor”) that is close to a monitoring site, but nearer or further from the kerb than the monitor.

 
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Report prepared for Defra (2008).

Report supporting the NO2 with Distance from Roads Calculator.

 
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Report prepared for Defra (2007).

Analysis of Fast-Response NOx Measurements at Heathrow Airport

 
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Report prepared for Defra, March 2006

Options for an Exposure-Reduction Approach to Air Quality Management in the UK

 
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Report prepared for Defra (2006)

Relationship Between Diffusion Tube Bias and Distance From the Road

 
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Report prepared for Defra (2005).

Options for an Exposure-Reduction Approach to Air Quality Management in the UK and the EU for Non-Threshold Pollutants

 
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Report prepared for Dorset Waste Planning Authority (2005).

An Assessment of Possible Air Quality Impacts on Vegetation from Processes Set out in the Bournemouth, Dorset & Poole Waste Local Plan

 
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Report prepared for Defra (2004).

Was 2003 an Exceptional Pollution Year? UK Trends in Nitrogen Dioxide, Nitrogen Oxides and PM10 Concentrations.

 
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Report prepared for Defra (2003)

Analysis of the Relationship Between 1-Hour and Annual Mean Nitrogen Dioxide at UK Roadside and Kerbside Monitoring Sites

 
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Report prepared for Defra (2002)

Evaluation of the First Round of the Local Air Quality Management Process

 
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Report prepared for Defra (2002)

Compilation of New Roadside Monitoring Data Obtained by Local Authorities as Part of the Review and Assessment Process - UPDATED

 
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Report prepared for Defra (2002)

Compilation of Diffusion Tube Collocation Studies Carried out by Local Authorities

 

I had full confidence in Prof Laxen and his team right from the outset in their ability to deliver what we needed in the required timescale.

Band Hatton LLP

Case studies

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