California State Polytechnic University, Pomona

If ingested, inhaled, or absorbed via the skin, 1.0 uCi of I-125 can deliver a total Thyroid dose of approximately 2.3 REM. Conditions requiring a Thyroid scan and/or bioassay are available from the Radiation Safety Officer. Approval for use of I-125 and I-131 will be most restrictive. ................
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