(a) “incidentâ€ means an unexpected, sudden and uncontrolled release of a hazardous substance, including
from a major emission, fire or explosion, that causes, has caused or may cause significant harm to the
environment, human life or property;
(b) “responsible personâ€ includes any person who -
(i) is responsible for the incident;
(ii) owns any hazardous substance involved in the incident; or
(iii) was in control of any hazardous substance involved in the incident at the time of the incident;
(c) “relevant authorityâ€ means -
(i) a municipality with jurisdiction over the area in which an incident occurs;
(ii) a provincial head of department or any other provincial official designated for that purpose by the MEC in a province in which an incident occurs;
(iii) the Director-General;
(iv) any other Director-General of a national department.