Sulfur Dioxide Calibration Gas Mixture 10ppm from Germany
Trace-level sulfur dioxide (10 ppm in nitrogen balance) in certified calibration cylinders for environmental air quality monitoring equipment. Primarily classified under HTS 2811.29.30.00 when SO2 is the principal compound, though mixtures may shift. Chemically defined per Chapter 28 Note 1.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Include NIST-traceable calibration certificates; declare exact ppm concentration on commercial invoice; EPA may require TSCA certification for monitoring gases