In these Regulations—
"commencement date" means 1 January 2012;
"risk" means the likelihood of a specific undesired event occurring within a specific period or in specified circumstances and with specified consequences;
Note
A risk may be understood as a frequency (the number of specified events occurring within a period) or a probability (the likelihood of a specific event following another event).
"the Act" means the Offshore Petroleum and Greenhouse Gas Storage Act 2010 .
"vary", in relation to an environmental plan or a safety case, includes extend or modify;
Note
Other words and expressions used in these Regulations have the meanings given by the Act (for example, offshore area ) or in other Chapters of these Regulations.
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CHAPTER 2—ENVIRONMENT