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Californium-252 Neutron Source from China

Californium-252 encapsulated sources for neutron activation analysis. Falls in HTS 2844.43.0050 as other transuranic radioactive elements.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

• Apply for DOE/NNSA authorization for special nuclear material

• Use Type B(M) packaging for strong neutron emitters

• Maintain chain-of-custody logs from origin to end-use