Chemical incidents such as the methylisocyanate release at Bhopal and
the aluminium sulphate incident in Lowermoor, Cornwall, are uncommon.
However, five chemical incidents occurred in Somerset in 12 months bet
ween 1990 and 1991, and District Health Authorities are required to ha
ve plans to deal with such events. A survey of the plans held by the C
onsultants in Communicable Disease Control in South Western and Wessex
Regional Health Authorities is discussed and the roles of public heal
th physicians and emergency organizations are outlined.