40 CFR § 141.55 - Maximum contaminant level goals for radionuclides.

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§ 141.55 Maximum contaminant level goals for radionuclides.

MCLGs for radionuclides are as indicated in the following table:

Contaminant MCLG
1. Combined radium-226 and radium-228 Zero.
2. Gross alpha particle activity (excluding radon and uranium) Zero.
3. Beta particle and photon radioactivity Zero.
4. Uranium Zero.
[65 FR 76748, Dec. 7, 2000]