FEASIBILITY STUDY (FS)

(1) A complete assessment of alternative courses of action to solve one or more problems, to meet needs, and to recommend the most practical course of action consistent with state and local planning objectives. (2) (Environmental) Analysis of the practicability of a proposal, e.g., a description and analysis of potential cleanup alternatives for a site such as one on the National Priorities List (NPL). The feasibility study usually recommends selection of a cost-effective alternative. It usually starts as soon as the Remedial Investigation (RI) is underway; together, they are commonly referred to as the "RI/FS".