Chemical, biological, radiological or nuclear incident3.
For the purpose of enabling action to be taken in the event of a chemical, biological, radiological or nuclear incident in its area, a specified authority shall–
(a)
make provision for–
(i)
the removal of chemical, biological or radio-active contaminants from people; and
(ii)
the capture of any water used to remove such contaminants; and
(b)
make arrangements for ensuring that reasonable steps are taken to prevent or limit serious harm to the environment resulting from action taken for the purpose of paragraph (a).