HazWastesHandoutsSlides

HazWastesHandoutsSlides - enumerated in 40 CFR §261.24 can...

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Click to edit Master subtitle style 12/9/10 Data from U.S. International Trade Commission, 1995 CE 3400/Ch 15/Fall 2010/Colberg
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Click to edit Master subtitle style 12/9/10 RCRA’s Definitions of Hazardous Chemicals A waste is hazardous if it is a ‘solid waste’ and has any of the following characteristics: Ignitability: liquid (<24% alcohol) and flash point of <140°C, or nonliquid able to cause fire through friction, absorption of moisture, or spontaneous chemical changes, or if an an ignitable compressed gas or oxidizer. Corrosivity: aqueous and pH less than or equal to 2 or greater than or equal to 12.5 or if it is a liquid that corrodes steel at a rate greater than 0.250 inches per year at 130°C. Reactivity: if normally unstable and readily undergoes violent change, or if it reacts violently or creates toxic fumes when mixed with water or if it is a cyanide- or sulfide-bearing waste that can generate toxic gases/fumes when exposed to pH values between 2 and 12.5. Toxicity: if toxic concentrations of compounds
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Unformatted text preview: enumerated in 40 CFR §261.24 can be leached into CE 3400/Ch 15/Fall 2010/Colberg 12/9/10 No. Potential Sites Estimated Cost (in billions of USD) Superfund sites 60,000 50 Sites of RCRA cleanups 2,400 23 State-funded cleanup sites 22,000 45 DOD sites 7,200 15 DOE sites Unknown 66-110 Data from Rubin et al., Potential Number of Hazardous Waste Sites And Associated Cleanup Costs 2005 ATSDR and EPA ‘TOP 20” CONTAMINANTS From Maier et al., 2009 1. Arsenic (As) 2. Lead (Pb) 3. Mercury (Hg) 4. Vinyl chloride (VC) 5. Polychlorinated Biphenyls (PCBs) 6. Benzene 7. Polycyclic Aromatic Hydrocarbons (PAHs) 8. Cadmium 9. Benzo(a)pyrene 10. Benzo(a)fluoranthene 11. Chloroform 12. DDT 13. Arochlor 1254 14. Arochlor 1260 15. Dibenzo(a,h)anthracene 16. Trichloroethene (TCE) 17. Dieldrin 18. Chromium, Hexavalent 19. Phosphorus, White ATSDR = Agency for Toxic Substances & Disease Registry EPA = Environmental Protection Agency 20. DDE...
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This note was uploaded on 12/08/2010 for the course CE 2400 taught by Professor Colberg during the Spring '10 term at Univeristy of Wyoming- Laramie.

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HazWastesHandoutsSlides - enumerated in 40 CFR §261.24 can...

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