Cesium-137 Sealed Source from Mexico
Cesium-137 sealed irradiators used for blood irradiation and calibration standards in nuclear medicine. Falls under HTS 2844.43.00.21 as a compound of the listed radioactive isotope cesium-137. Meets Chapter 28 definition for radioactive isotopes and their compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit IAEA INF/CIRC/337 notification for international shipments plus NRC advance notice
• Use certified Type A or B packages with double containment for chloride or sulfate forms
• Maintain chain-of-custody records from manufacturer to verify no prohibited admixtures