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Figure 3 <br /> CALIFORNIA LAND DISPOSAL RESTRICTIONS <br /> RESTRICTED AZA D T RESTRICTION DATE <br /> • Liquids containing Free Cyanides <br /> 1000 mg/l 1 June 1983 <br /> • Liquids containing Dissolved Metals 1 January 1984 <br /> >_ the following limits : <br /> Arsenic 500 mg/l <br /> Cadmium 100 mg/l <br /> Chromium (VI) 500 mg/I <br /> Lead 500 mg/1 <br /> Mercury 20 mg/l <br /> Nickel 134 mg/l <br /> - Selenium 100 mg/l - <br /> Thallium 130 mg/1 <br /> • Liquids having a pH C 2.0 (acidic) 1 January 1984 <br /> • Liquids containing PCBs >_ 50 mg/I 1 January 1984 <br /> ___•_The following wastes containing- <br /> Halogenated Organics — <br /> r 1000 mg/kg (total) <br /> Liquids 1 January 1985 <br /> Organic Sludges and Solids 8 July 1989 <br /> 2.1 'Restricted Hazardous Wastes' <br /> Wastes which pose the greatest threat to human health and the environment fall into the ' <br /> category of'restricted hazardous wastes' and may not be discharged to any landfill,waste <br /> pile,surface impoundment, or land treatment unit after the restriction dates shown in <br /> Figure 3.' Article 15 of the hazardous waste management regulations,beginning with <br /> §66900 of Title 22, CCR,defines these wastes by listing specific chemical concentrations <br /> (Restricted Hazardous Levels) above which a waste is 'restricted hazardous' (see Figures 1 . <br /> and 3). Any 'restricted hazardous waste' must be treated to below Restricted Hazardous <br /> Levels prior to discharge to a waste management unit. <br /> Designated Level Methodology Page 11 <br />