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Electronic Code of Federal Regulations

e-CFR data is current as of May 26, 2020

Title 10Chapter IPart 35Subpart L → §35.2075


Title 10: Energy
PART 35—MEDICAL USE OF BYPRODUCT MATERIAL
Subpart L—Records


§35.2075   Records of the release of individuals containing unsealed byproduct material or implants containing byproduct material.

(a) A licensee shall retain a record of the basis for authorizing the release of an individual in accordance with §35.75, if the total effective dose equivalent is calculated by—

(1) Using the retained activity rather than the activity administered;

(2) Using an occupancy factor less than 0.25 at 1 meter;

(3) Using the biological or effective half-life; or

(4) Considering the shielding by tissue.

(b) A licensee shall retain a record that the instructions required by §35.75(b) were provided to a breast-feeding female if the radiation dose to the infant or child from continued breast-feeding could result in a total effective dose equivalent exceeding 5 mSv (0.5 rem).

(c) The records required by paragraphs (a) and (b) of this section must be retained for 3 years after the date of release of the individual.

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