There were 204 incidents where an estimated
236 000 members of the public were at
risk of exposure. In 29 incidents more than 100
members of the public were estimated to have
been exposed. The commonest exposures were
to gaseous emissions (for example, carbon
monoxide) in residential premises (n=22),
chemical spills (for example, acids) at operational
industrial premises (n=20) and on the
highway (n=10); spills of oils and sewage in
coastal waters (n=10), water contamination
(for example, contamination with pesticides) in
residential premises (n=15) and waste deposits
(for example, clinical waste and sodium
hydroxide) in open public spaces (n=12).