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Code of Federal Regulations Title 10. Energy § 10.63.331 Separate standards for protection of groundwater

Current as of January 02, 2025 | Updated by Findlaw Staff

DOE must demonstrate that there is a reasonable expectation that, for 10,000 years of undisturbed performance after disposal, releases of radionuclides from waste in the Yucca Mountain disposal system into the accessible environment will not cause the level of radioactivity in the representative volume of groundwater to exceed the limits in the following Table 1:

Table 1—Limits on Radionuclides in the Representative Volume

Radionuclide or type of radiation emitted

Limit

Is natural background included?

Combined radium-226 and radium-228

5 picocuries per liter

Yes.

Gross alpha activity (including radium-226 but excluding radon and uranium)

15 picocuries per liter

Yes.

Combined beta and photon emitting radionuclides

0.04 mSv (4 mrem) per year to the whole body or any organ, based on drinking 2 liters of water per day from the representative volume

No.
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Cite this article: FindLaw.com - Code of Federal Regulations Title 10. Energy § 10.63.331 Separate standards for protection of groundwater - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-10-energy/cfr-sect-10-63-331/

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