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e-CFR data is current as of April 8, 2021

Title 40Chapter ISubchapter DPart 141Subpart F → §141.55


Title 40: Protection of Environment
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.

MCLGs for radionuclides are as indicated in the following table:

Contaminant MCLG
1. Combined radium-226 and radium-228Zero.
2. Gross alpha particle activity (excluding radon and uranium)Zero.
3. Beta particle and photon radioactivityZero.
4. UraniumZero.

[65 FR 76748, Dec. 7, 2000]

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