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Hazardous Wastes • • Page 3 of 4 . A poisonous gas, hazard division 2.3, as defined under the Code of Federal Regulations. E. Total Threshold Limit Concentration Values of Persistent and Bioaccumulative Toxic Substances in Extremely Hazardous Wastes. Any waste containing a listed substance at a concentration equal to or exceeding its listed total threshold limit concentration is an extremely hazardous waste. Refer to the regulations for a listing of the wastes. F. Special Wastes. A hazardous waste which meets all of the following criteria and requirements shall be classified as a special waste: . It is a solid, a water-based sludge or a water-based slurry of which the solid constituents are substantially insoluble in water; . It is a hazardous waste only because it contains a persistent or bioaccumulative substance at a solubilized and extractable concentration exceeding its Soluble Threshold Limit Concentration (STLC), or at a total concentration exceeding its Total Threshold Limit Concentration (TTLC), except that: o It shall contain no persistent or bioaccumulative listed substances at a solubilized and extractable concentration in milligrams per kilogram of waste exceeding the TTLC value for the substance; and o It shall contain no persistent or bioaccumulative inorganic substance at a concentration equal to or exceeding the TTLC value of the substance. The following is a non-inclusive list of wastes, which may be classified as special wastes: . Ash from burning of fossil fuels, biomass and other combustible materials; . Auto shredder waste; . Baghouse and scrubber wastes from air pollution control; . Catalyst from petroleum refining and chemical plant processes; . Cement kiln dust; . Dewatered sludge from treatment of Industrial process water; . Dewatered tannery sludge; . Drilling mud from drilling of gas and oil wells; . Refractory from industrial furnaces, kilns and ovens; . Sand from sandblasting; . Sand from foundry casting; . Slag from coal gasification; . Sulfur dioxide scrubber waste from flue gas emission control in combustion of fossil fuels; or . Tailings from the extraction, beneficiation and processing of ores and minerals. G. Universal Wastes. Universal wastes have fewer waste management rules that apply to them. For more information about the generation, storage, transportation, disposal and recycling of universal wastes, refer to the state's universal waste requirements. Generator Status. In California, all hazardous waste generators are subject to the same state generator requirements. A generator or producer means any person, by site, whose act or process produces hazardous waste or whose act first causes a hazardous waste to become subject to regulation. Complying with Hazardous Waste Rules. Once you have determined whether you generate hazardous waste and your generator status, you can determine which requirements apply to you. Links to the Regulations. Use the following links to view the regulations pertaining to hazardous waste management. California's Hazardous Waste Management Reoulrements Federal EPA Standards Aoolicable to Generators of Hazardous Waste Hazardous Waste Listings Contacts http://www.ecareenter.org/ca/ca-hazwaste.htm 2/12/2010