Question to the Department for Education:
To ask the Secretary of State for Education, with reference to the Answer of 24 May 2023 to Question 185868 on Air Pollution: Schools, whether she has made a recent assessment of the effectiveness of the minimum filter class from BS EN 13779.
The department’s guidance, ‘Building Bulletin 101: Ventilation, thermal comfort and indoor air quality’, refers to BS EN 13779 (Ventilation for non-residential buildings: performance requirements for ventilation and room-conditioning systems) as additional guidance specifically on filtration, which describes how minimum filtration classes can be applied to schools.
BS EN 13779 is owned by the British Standards Institute and the department has not made any specific tests in relation to this standard.