title: Petroleum processing wastes.
mesh_terms: D004463:Ecology; D004777:Environment; D007220:Industrial Waste; D008722:Methods; D010084:Oxidation-Reduction; D010578:Petroleum; D012106:Research; D014871:Water Microbiology; D014876:Water Pollution / Q000032:analysis*
chemical_list: D007220:Industrial Waste; D010578:Petroleum