Ytterbium-169 Industrial Source from Mexico
Ytterbium-169 brachytherapy and industrial radiography sources with low-energy gammas. Classified under HTS 2844.43.00.21 as listed rare earth radioisotope. Chapter note confirms lanthanide isotope coverage.
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
• Short 32-day half-life demands just-in-time import scheduling with activity certificates
• Preferred seed form requires NRC sealed source registration number on manifests
• Bremsstrahlung shielding specifications mandatory for transport documentation