An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Exposure Assessment Models

WASP Fact Sheet

This file contains a Fact Sheet about the WASP Modeling System in PDF Format.

You may need a PDF reader to view files on this page. See EPA’s About PDF page to learn more.