Radioactive I-131 from Fallout - National Cancer Institute

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Information and resources for Americans exposed to I-131 (a form of radioactive iodine) through fallout from above-ground nuclear testing in the 1950s and early 60s.

About I-131

How Americans Were Exposed
The Milk Connection
The Government's Response
Get the Facts About Exposure to
I-131 Radiation

Thyroid Cancer Resources

Diagnosing and Screening for
Thyroid Disease
Clinical Trials
Thyroid Cancer Links

NCI Reports

Fallout From Nuclear Tests and Cancer Risks
NCI Report on I-131 Fallout
Methods and Data for
Calculating Doses
IOM Report

Estimating Your Exposure

I-131 Dose/Risk Calculator
State and County Exposure
Levels

Resources for Program Partners

Press Release
Promotional Brochure
PSA Sticks
I-131 Teleconference
New Case Studies in Environmental Medicine: I-131 (CME credits)

Other Agencies & Research

Centers for Disease Control
Agency for Toxic Substances
and Disease Registry
Hanford Health Information
Network

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