Azura-Edo Independent Power Plant Environmental Impact ... - IFC

2. Type of Impact:
Direct (or primary) – impacts that result from the direct interaction between a planned project
activity and the receiving environment (eg between stack emissions and the ambient air
quality).
Secondary – impacts that result from the primary interaction between the Project and its
environment as a result of subsequent interactions within the environment.
Indirect – impacts that result from other activities that are encouraged to happen as a
consequence of the Project.
3. Temporal Scale of Impact:
Temporary - impacts are predicted to be of short duration, reversible and intermittent/occasional
in nature. The receptor will return to a previous state when the impact ceases or after a period
of recovery.
Short-term - impacts that are predicted to last only for a limited period (ie during construction)
but will cease on completion of the activity, or as a result of mitigation measures and natural
recovery (eg non local construction workforce-local community interactions).
Long-term - Impacts that will continue for the life of the project, but cease when the project stops
operating (ie 20 years) . These will include impacts that may be intermittent or repeated rather
than continuous if they occur over an extended time period.
Permanent - impacts that occur during the development of the Project and cause a permanent
change in the affected receptor or resource that endures substantially beyond the Project
lifetime.
Continuous – impacts that occur continuously or frequently during the life of the phase of the
Project.
4 Spatial Scale of Impact:
On-site – impacts that are limited to the Project site.
Local - impacts that affect locally important environmental resources or are restricted to a single
(local) administrative area or a single community. For this EIA, local impacts are restricted to the
Project site and adjacent areas.
Regional - impacts that affect regionally important environmental resources or are experienced
at a regional scale as determined by administrative boundaries (ie Edo State).
National - impacts that affect nationally important environmental resources; affect an area that is
nationally important/protected; or have macro-economic consequences (ie Nigeria).
International - impacts that affect internationally important resources such as areas protected by
International Conventions.
Trans-boundary - impacts that are experienced in one country as a result of activities in another.
4 Probability:
Unlikely – unlikely to occur
Likely – likely to occur under most conditions
Definite – will occur
AZURA EDO IPP
7-4
DRAFT EIA REPORT