Tritiated Water (HTO) Solution from Mexico
Aqueous solution of tritiated water used as a tracer in biological and hydrological studies. Classified under HTS 2844.41.00.00 as a compound of tritium meeting Chapter 28 chemical definition requirements. Its specific radioactivity exceeds natural levels, qualifying as a radioactive compound.
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
• Label with exact tritium concentration and total activity; use UN-approved shielded containers; pre-clear with CBP Radioactive Materials Branch