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Radium, combined (-226 & -228) more about

this contaminant

Radium is a radioactive element that causes bone cancer and other cancers. It can occur naturally in groundwater, and oil and gas extraction activities such as hydraulic fracturing can elevate concentrations.

Radium, combined (-226 & -228) was found at 32 times above EWG's Health Guideline.

EWG Health Guideline 0.05 pCi/L or less This Utility 1.58 pCi/L Legal Limit 5 pCi/L National Average 0.47 pCi/L State Average 0.91 pCi/L

The state and national averages were calculated using the averages of the contaminant measurements for each utility in 2012-2017.

pCi/L = picocuries per liter

Health Risks EWG applied the health guideline of 0.05 pCi/L, defined by the California Office of Environmental Health Hazard Assessment as a public health goal for radium-226, to radium-226 and radium-228 combined. This health guideline protects against cancer.