Vacuum gas oil (VGO) at refinery

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Urea formaldehyde (UF) adhesive system (20% H2O)

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Untreated wood on landfill, post-consumer

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Untreated wood on landfill, post-consumer (partially based on WARM data)

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Urea (agrarian)

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Urea (stamicarbon process)

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Urea ammonium nitrate (UAN)

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Untreated wood in waste incineration plant (10% H2O content)

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Unbleached kraft paper, production mix

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Unbleached recycled pulp, integrated mill, from waste paper, testliner grade

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