The U. S. Environmental Protection Agency (EPA), as part of its Science to Achieve Results (STAR) program, is seeking applications proposing research to advance knowledge of how changes in water quality, including incremental or step improvements, can be valued at appropriate spatial scales using advanced

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non-use valuation methods for the Nation’s inland fresh water small streams, lakes and rivers, estuaries, coastal waters, and the Great Lakes.

For purposes of this Request for Applications (RFA), small streams are defined as streams that are perennial and wadeable.