Sub-Chapter20092010
Hydrogen, rare gases and other non-metals. $602
Sodium hydroxide (caustic soda);$7,392 
Carbonates; peroxocarbonates (percarbonates)$3,817$3,327
Silicates; commercial alkali metal silicates.$3,220 
Other inorganic compounds$5,890 
Total$20,319$3,929