HTS Number	Description	Unit of Quantity	General Rate of Duty	Details
2804	Hydrogen, rare gases and other nonmetals:
2804 1000.00	Hydrogen	thousand m<sup>3<\/sup>	3.7%	More
2804 2100.00	Argon	thousand m<sup>3<\/sup>	3.7%	More
2804 2900	Other		3.7%
2804 2900.10	Helium	thousand m<sup>3<\/sup>	3.7%	More
2804 2900.50	Other	thousand m<sup>3<\/sup>	3.7%	More
2804 3000.00	Nitrogen	thousand m<sup>3<\/sup>	3.7%	More
2804 4000.00	Oxygen	thousand m<sup>3<\/sup>	3.7%	More
2804 5000	Boron; tellurium		Free
2804 5000.10	Boron	kg	Free	More
2804 5000.20	Tellurium	kg	Free	More
2804 6100.00	Containing by weight not less than 99.99 percent of silicon	kg	Free	More
2804 69	Other:
2804 6910.00	Containing by weight less than 99.99 percent but not less than 99 percent of silicon	kg/ Si kg	5.3%	More
2804 6950.00	Other	kg/ Si kg	5.5%	More
2804 7000.00	Phosphorus	kg	Free	More
2804 8000.00	Arsenic	kg	Free	More
2804 9000.00	Selenium	kg	Free	More