We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Identification of UV-filters used in sunscreens that need further investigation.
Check the tariff classification for a heat and moisture exchanging filter.
Paper prepared by the Environmental and Modelling group (EMG) for the Scientific Advisory Group for Emergencies (SAGE).
Guidance on the ventilation of indoor spaces to reduce the spread of respiratory infections, including coronavirus (COVID-19).
Description of ultraviolet radiation (UVR), its sources and advice on protection from exposure.
A summary of the techniques and standards you should use to monitor ambient air.
UK finalists awarded funding through the joint UK-Canada £1.2 million Aqualunar Challenge to develop new lunar water purifying technologies.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab).