Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 141.55: Maximum contaminant level goals for radionuclides.

Where this section sits in the code

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

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.

Collected 2026-08-27T02:26:04Z. Source file · JSON