Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter D - Water Programs |
Part 141 - National Primary Drinking Water Regulations |
Subpart F - Maximum Contaminant Level Goals and Maximum Residual Disinfectant Level Goals |
§ 141.55 - Maximum contaminant level goals for radionuclides.
Latest version.
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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]