Tritium (³H)

Safety Summary

Regulatory Status

Sources

These citations are the ones recorded for the human adult context.

• US NRC: Tritium Fact Sheet — 12.32-Year Half-Life, Very Low Energy Beta (Max 18.6 keV), HTO Body Water Distribution and 10-Day Biological Half-Life, 20,000 pCi/L Drinking Water Standard, Nuclear Plant Monitoring Programs (2020) REGULATORY · 2020
• IAEA: Fukushima Daiichi ALPS-Treated Water — Tritium Concentration 1,500 Bq/L (7× Below WHO Guidance), Dose Assessment 0.003 mSv/yr Maximum Individual Dose, Marine Environment Impact, and Regulatory Compliance Verification (2023) REGULATORY · 2023
• Permissible Exposure Limits – OSHA Annotated Table Z-1 REGULATORY
• OEHHA Proposition 65 List of Carcinogens or Reproductive Toxicants (CSV, list date 31-Jul-26) REGULATORY
• where to look Hazardous Substances Data Bank (HSDB), as recorded by PubChem (Experimental Properties, CID 24824; where-to-look, not a source of this value) DATABASE · 2026

Same data as the API response, which is open and needs no key. The full per-record source list is available to authenticated callers.