Californium-252 Neutron Source from China
Californium-252 metal encapsulated as portable neutron source for oil well logging and radiography, under 2844.43.0028 as a compound/isotope of element 98. Meets chemically defined criteria of Chapter Notes.
Duty Rate — China → United States
37.5%
Rate breakdown
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
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• File NRC license application with training program; use double-encapsulation special form; comply with USDOT neutron emitter labeling (UN 3326)