Hexamethylenediamine (HMDA; from acrylonitrile via adiponitrile)

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Hexabromododecane (HBCD, 1,2,5,6,9,10-Hexabromododecane)

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Hexahydrophthalic Anhydride (HHPA)

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Heptane at refinery

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Helium (liquid)

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Heavy fuel oil at refinery (2.5wt.% S)

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Heavy fuel oil at refinery (1.0 wt.% S)

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Hard coal mix

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Gypsum stone (CaSO4-Dihydrate)

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Hard carbon anode from petroleum coke

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