Americium-241 Oxide Source Material from Mexico
Americium-241 oxide (Am-241 O2) is used in neutron sources, smoke detectors, and industrial gauges as a chemically defined compound of transuranic element americium (atomic no. 95). It qualifies for HTS 2844.43.00 as a compound of radioactive elements with atomic number >84.
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
• Include specific activity documentation (typically ~4 Ci/g for Am-241); obtain NRC specific license
• Comply with 49 CFR 173.435 for excepted packages if ≤0.5 Ci total activity
• Verify exemption from 2844 if activity <74 Bq/g; common error is overlooking daughter nuclides