Radium-226
CAS Number
7440-14-4Synonym
Radium isotope
Occurrence/Use
Naturally occurring product of uranium decay. Former component of cosmetic and medical products.
California Public Health Goals Data
| Update Date: | |
|---|---|
| Public Health Goal (mg/L): | 0.05 pCi/L |
| Health Risk Category: | Carcinogenicity |
| Cancer Risk at Public Health Goal: | 0.000001 |
| CA Maximum Contaminant Level (mg/L): | 5 pCi/L |
| Cancer Risk at Maximum Contaminant Level (MCL): | 0.0001 |
| Public Health Goal Technical Support Document: |
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| California PHG Comments: |
MCL reflects combined radium-226 and radium-228. OEHHA 2013. Health Risk Information for Public Health Goal Exceedance Reports |