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 This website is no longer updated and links to external websites and some internal pages may not work.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

How many samples do you have to take for friable miscellaneous material under the Asbestos Hazard Emergency Response Act (AHERA)?

40 CFR part 763.86(c) says that “an accredited inspector shall collect bulk samples [plural] from each homogeneous area of friable miscellaneous material that is not assumed to be asbestos containing material.” Therefore, at least two samples must be taken.