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2844.44.00.00/Thorium Lantern Mantle Residue/Japan

Thorium Lantern Mantle Residue from Japan

Waste residues from manufacturing gas lantern mantles impregnated with thorium nitrate, retaining thorium-232 daughters. Fits 2844.44.00.00 per radioactive residues definition.

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%
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Import Tips

• Often exempt under low activity but declare fully; historical import records aid classification; incineration residues may shift categories