Radium 228
Radium-228 is a radioactive isotope of radium that occurs naturally in uranium and thorium ores. It is part of the decay chain of uranium-232 and has a half-life of 5.75 years. Radium-228 can be found in groundwater and can contaminate drinking water supplies.
Health Guideline Level (HGL)
0.019 ppb
Maximum level that poses minimal health risk based on the latest science
Health Effects
Exposure to radium-228 can lead to an increased risk of cancer, particularly bone cancer, due to its radioactive properties. Long-term exposure can also affect the kidneys and other organs.
Affected Organs & Systems:
Common Sources
- Natural deposits
- Industrial discharge
How to Remove It
Water filters certified under the following NSF standards are effective at removing Radium 228:
Health Guideline Level
The HGL represents the maximum level that poses minimal health risk based on the latest scientific research. It's often more protective than federal legal limits.
Contaminant Type
Radium 228 is classified as a Radionuclides contaminant.
This contaminant primarily affects the Bone, Kidneys, and other systems.
Check Your Water
Find out if Radium 228 is in your tap water.
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