An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Draft Test Guideline: Bivalve Acute Toxicity Test (Embryo Larval)

The following draft test guideline is part of a series of test guidelines that have been developed by EPA for use in the testing of pesticides and toxic substances, and the development of test data for submission to the Agency for review. Although this draft guideline is not yet available in final form, you may consult it if you are developing a proposed study protocol.  However, before you use a draft guideline to generate data that will be submitted to EPA, please check with the appropriate EPA office. The draft guideline below is closed for public comment.

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