40 CFR Part 192, Table A
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| pCi/liter | |
|---|---|
| Combined radium-226 and radium-228 | 5 |
| Gross alpha-particle activity (excluding radon and uranium) | 15 |
| pCi/liter | |
|---|---|
| Combined radium-226 and radium-228 | 5 |
| Gross alpha-particle activity (excluding radon and uranium) | 15 |