Residual Ownership Interest Any record or beneficial interest in the Class R Certificates.
Residual Waste means low-level radioactive waste resulting from processing or decontamination activities that cannot be easily separated into distinct batches attributable to specific waste generators. This waste is attributable to the processor or decontamination facility, as applicable.
Material of Environmental Concern means and includes pollutants, contaminants, hazardous wastes, and toxic, radioactive, caustic or otherwise hazardous substances, including petroleum, its derivatives, by-products and other hydrocarbons, or any substance having any constituent elements displaying any of the foregoing characteristics.
Materials of Environmental Concern any gasoline or petroleum (including crude oil or any fraction thereof) or petroleum products or any hazardous or toxic substances, materials or wastes, defined or regulated as such in or under any Environmental Law, including asbestos, polychlorinated biphenyls and urea-formaldehyde insulation.
Residual Certificate The Class R Certificate.