Commodity200520062010
Dichloromethane (methylene chloride)$22,560$18,133$28,441
Chloroform (trichloromethane)  $1,773
Vinyl chloride (chloroethylene) $71 
Trichloroethylene  $1,819
Tetrachloroethylene (perchloroethylene)$3,850$11,302 
Unsaturated chlorinated derivs. of acyclic hydrocarbons (excl. of 2903.21-2 ...  $848
1,2,3,4,5,6-Hexachlorocyclohexane $1,574 
Halogenated derivs. of aromatic hydrocarbons (excl. of 2903.61 & 2903.62)  $10,548
Total$26,410$31,080$43,429