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1569090

registered interest
date	20/01/2023
answering body	The Senior Deputy Speaker
answering dept id	204
answering dept short name
answering dept sort name	Senior Deputy Speaker (HoL)
hansard heading	House of Lords: Air Pollution
house id	2
legislature	25277 pref label House of Lords
question text	To ask the Senior Deputy Speaker whether the air handling units in the House of Lords have had electrostatic precipitators installed for the purposes of air filtration, particularly for viruses and bacteria.
tabling member printed	Baroness Bennett of Manor Castle
uin	HL4930
answer	answer is ministerial correction date of answer 26/01/2023 answer text <p>There are no electrostatic filters in the air handling units (AHUs) in the House of Lords areas of the parliamentary estate. There are electrostatic filters in two AHUs in other parts of the parliamentary estate. They were installed in 2014-16 to act as a general particulate arrest system and were not installed to deal with viruses and bacteria.</p> answering member printed Lord Gardiner of Kimble question first answered 26/01/2023 16:04:13 answering member 4161 label Biography information for Lord Gardiner of Kimble
tabling member	4719 label Biography information for Baroness Bennett of Manor Castle

1569091

registered interest
date	20/01/2023
answering body	Department for Education
answering dept id	60
answering dept short name	Education
answering dept sort name	Education
hansard heading	Schools: Air Conditioning
house id	2
legislature	25277 pref label House of Lords
question text	To ask His Majesty's Government what percentage of schools have had electrostatic precipitators installed for the purposes of air filtration, particularly for viruses and bacteria.
tabling member printed	Baroness Bennett of Manor Castle
uin	HL4931
answer	answer is ministerial correction date of answer 27/01/2023 answer text <p>The installation of electrostatic precipitators is not something the department has previously delivered or advised to schools. Any information on their use would only be held by the settings themselves</p><p>In winter 2021, the department provided over 8,000 High Efficiency Particular Air (HEPA) air cleaning devices to state-funded education settings that identified poorly ventilated teaching spaces. In November 2022, we re-opened the scheme for eligible settings with identified poor ventilation to receive department-funded HEPA devices.</p><p>During the COVID-pandemic, the department worked closely with Scientific Emergency Group for Emergencies, Environmental Modelling Group (SAGE – EMG), who published a paper on 4 November 2020 titled, ‘Potential application of Air Cleaning devices and personal decontamination to manage transmission of COVID-19’. This is available in the attached document.</p><p>This paper concluded that devices based on other technologies (ionisers, plasma, chemical oxidation, photocatalytic oxidation and electrostatic precipitation) have a limited evidence base that demonstrates effectiveness against SARS-CoV-2 and/or may generate undesirable secondary chemical products that could lead to health effects such as respiratory or skin irritation. The paper also mentions that electrostatic precipitation has high energy requirements. Therefore, the department issued HEPA air cleaning devices to schools that identified poorly ventilated teaching spaces.</p> answering member printed Baroness Barran question first answered 27/01/2023 13:24:20 answering member 4703 label Biography information for Baroness Barran attachment 1 file name S0867_EMG_Potential_application_of_air_cleaning_devices_and_personal_decontamination_to_manage_transmission_of_COVID-19.pdf title SAGE_EMG_paper
tabling member	4719 label Biography information for Baroness Bennett of Manor Castle

1569092

registered interest
date	20/01/2023
answering body	Department for Transport
answering dept id	27
answering dept short name	Transport
answering dept sort name	Transport
hansard heading	Motor Vehicles: Exhaust Emissions
house id	2
legislature	25277 pref label House of Lords
question text	To ask His Majesty's Government whether they have made an assessment of the effects of (1) vehicle speeds, and (2) journey times, on emissions in urban areas; and if so, whether higher (a) vehicle speeds, or (b) journey times, have a greater effect on emissions levels.
tabling member printed	Lord Campbell-Savours
uin	HL4932
answer	answer is ministerial correction date of answer 03/02/2023 answer text <p>The Government has commissioned studies to assess the impact of vehicle speed on emissions, for example undertaking a high-resolution emission modelling approach to understand changes in vehicle speeds and how it relates to emissions. The Department uses the best available evidence to model emissions in urban areas, including evidence linking vehicle speeds with emissions based on international guidelines. The evidence is that the factors influencing emissions are complex and the relative impact of vehicle speed, acceleration/deceleration and distance travelled (which are all related to journey times), will vary depending on the local situation.</p><p> </p><p>In addition, the Government’s Joint Air Quality Unit helps local authorities to calculate NOx emissions in their local areas using outputs from traffic models, which use a range of parameters including speed and distance travelled (which influence journey time) and the number of vehicles. The results of these parameters are contained in their Full Business Cases which are all published documents.</p> answering member printed Baroness Vere of Norbiton question first answered 03/02/2023 15:03:29 answering member 4580 label Biography information for Baroness Vere of Norbiton
tabling member	499 label Biography information for Lord Campbell-Savours

1569093

registered interest
date	20/01/2023
answering body	Department for Transport
answering dept id	27
answering dept short name	Transport
answering dept sort name	Transport
hansard heading	Motor Vehicles: Exhaust Emissions
house id	2
legislature	25277 pref label House of Lords
question text	To ask His Majesty's Government what assessment they have made, if any, of the effects of low emission zones in urban areas on (1) vehicle usage, (2) average vehicle speeds, (3) average vehicle journey times, (4) emissions levels, and (5) overall air quality.
tabling member printed	Lord Campbell-Savours
uin	HL4933
answer	answer is ministerial correction date of answer 03/02/2023 answer text <p>The Government has commissioned a robust evaluation programme for the collection and analysis of air quality, traffic, and behavioural insights data from Local Authority areas implementing measures for the reduction of nitrogen dioxide (NO<sub>2</sub>). Case studies give further understanding of how local plans are affecting local groups and businesses.</p><p>The Government has published a series of annual reports which set out and discuss the analysis of these evaluation findings. Headline findings from these reports and other analyses give an insight into the effects of Clean Air Zones and other measures on air quality and vehicle fleets in Local Authorities. The 2021 annual report is available to view on the Defra Science Search - AQ0851.</p> answering member printed Baroness Vere of Norbiton question first answered 03/02/2023 15:02:36 answering member 4580 label Biography information for Baroness Vere of Norbiton
tabling member	499 label Biography information for Lord Campbell-Savours