Solids, slurries and non-aqueous liquid sources (mixture of water and organic liquid (organic content > 50%)
-Filter cakes, filer media
-Pollution control wastes (baghouse particulates, absorber sludges, spent activated carbon, wastewater treatment sludge)
-Spent solvents
-Spent catalysts
-Vessel or tank residues (if not include under water sources)
-Spills and sweepings
-Off-specification product
-By-products