Asbestos
To find out more about asbestos and the health implications of being exposed to it, read: Health and Safety Executive, asbestos
For information about asbestos licensing such as how the licensing system works and how to apply, visit: Health and Safety Executive, asbestos licensing
If you need to remove asbestos and want to find a licensed contractor, see: HSE Licensed Asbestos Removal Contractors Register - UKATA