The Health and Safety Executive website supplies a wealth of guidance and advice on all subjects relating to health and safety in the workplace. The following are direct links to pages and documents within the site which may be of use.
/legionnaires – The home page for the section devoted to Legionnaires Disease and controlling the risk of Legionella infection. There is a link here which allows you to order your own copy of the HSE Approved Code of Practice (L8).
/coshh – The section covering the implications and responsibilities arising from the Control of Substances Hazardous to Health Regulations 2002. These regulations cover Legionella risk control.
/maps – A list of all HSE offices and the areas they support.