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2844.41.00.00/Tritium Calibration Source/Japan

Tritium Calibration Source from Japan

Sealed source containing adsorbed tritium for calibrating beta radiation monitors. Classified as a tritium compound under HTS 2844.41.00.00; NIST-traceable with certificate of activity. Used by health physics departments.

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

• ANSI N323A calibration standard reference; annual leak testing records; returnee program for depleted sources