Americium-241 Source Assembly for Ionization Smoke Alarms from Japan
A sealed radioactive source containing Americium-241, the key ionizing element in smoke detectors that emits alpha particles to create ionizable air. Classified under HTS 9022.90.70.00 as an essential part of ionization-type smoke detectors using ionizing radiation. These assemblies are rigorously tested for safety and longevity in fire detection devices.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Obtain NRC Form 7 license prior to import; maintain chain-of-custody records for audit
• Comply with 49 CFR 173.441 for low-activity radioactive material packaging and labeling
• Avoid misdeclaration as non-radioactive to prevent seizure and fines up to $100,000