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 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 This website is no longer updated and links to external websites and some internal pages may not work.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 »

Environmental Sampling and Analytical Methods (ESAM) Program

ORISE Method AP5: Determination of Technetium-99


ORISE, ORAU. 2001. “Method AP5: Determination of Technetium-99.”Laboratory Procedures Manual for the Environmental Survey and Site Assessment Program.


Analytical Method


EPA’s Selected Analytical Methods for Environmental Remediation and Recovery (SAM) lists this method for qualitative and confirmatory analysis of technetium-99 in soil/sediment, surface wipes and air filter samples; and qualitative analysis of technetium-99 in vegetation.

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