Delisting

Once a RCRA listed hazardous waste, always a listed hazardous waste until delisted. A waste producer can petition the US EPA to delist a listed waste, but this is an involved, time-consuming process. Delisting petitions that have been granted are adopted into federal regulations.

Other Listed Waste (Article 4.1)

California has adopted its first hazardous waste listings similar to the RCRA hazardous waste lists. Effective March 15, 2003, the following mercury (Hg) containing wastes are California M-listed hazardous wastes:
 

• M001: Hg light switches in cars and cars with them prior to crushing, baling, shredding, or shearing (effective 1/1/05)
• M002: other Hg switches in products, including appliances (effective 2/9/06)
• M003: Hg containing lamps and products with lamps except LCDs with Hg back lighting (effective 2/9/04)
• M004: Hg added novelties (effective 1/1/04)

In addition, California considers used oil a hazardous waste. Although used oil is not a “real listing” like the RCRA and M hazardous waste listings, oil that meets the description of used oil is managed as a hazardous waste. Used oil is any oil refined from crude oil, or any synthetic oil that has been used and has been contaminated with physical or chemical impurities.

Examples of used oil are:

• spent lubricating fluids that have been removed from an engine crankcase, transmission, gearbox, or differential of an automobile, bus, truck, vessel, plane, heavy equipment, or machinery powered by an internal combustion engine
• industrial oils, including compressor, turbine or bearing oil
• hydraulic oil
• metal-working oil
• refrigeration oil
• railroad drainings