U.S. NRC Exempt Quantity Limits for Sources
Small amounts of some byproduct material may be purchased without a specific license per the U.S. NRC § 30.18 Exempt quantities or the equivalent Agreement State regulations.
“(a) Except as provided in paragraphs (c) through (e) of this section, any person is exempt from the requirements for a license set forth in section 81 of the Act and from the regulations in parts 30 through 34, 36, and 39 of this chapter to the extent that such person receives, possesses, uses, transfers, owns, or acquires byproduct material in individual quantities, each of which does not exceed the applicable quantity set forth in § 30.71, Schedule B.”
How to Dispose of Exempt Quantity Sources in the U.S.
As customers that have received sources in accordance with § 30.18 Exempt quantities, you are exempt from all regulatory requirements. This includes waste disposal. Exempt quantity sources may be disposed of in the regular waste providing all radiation symbols have been removed or defaced.
The determination that exempt quantity sources can be disposed of without regard to radioactivity was based on an environmental assessment conducted by the U.S. NRC.
It is recommended that exempt quantity liquid sources be disposed of via the sanitary sewer. Additionally, it should be diluted with large volumes of water.