questionText: 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.
answerText: 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 additiona...
heading: Schools: Air Pollution