Final answer:
An individual usually has 21 days to appeal after being dissatisfied with a decision made by an EA inspector, but exact time frames depend on jurisdiction-specific regulations.
Step-by-step explanation:
The time an individual has to appeal after being aggrieved by an Environmental Agency (EA) inspector is specific to the regulations of the jurisdiction in question. However, taking a generalized approach, if the options provided are within the context of a particular jurisdiction's legal framework, an example answer could be:
An individual typically has 21 days to appeal after being aggrieved by an EA inspector. It is important for individuals to promptly check the specific regulations that apply within their jurisdiction, as the appeal period can be critical to preserving their rights.