november 30, 2009
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November 30, 2009. Woman sees image of Jesus on her iron . Ch. 16 (wastes) . - PowerPoint PPT PresentationTRANSCRIPT
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November 30, 2009November 30, 2009
METHUEN, Mass. (AP) — A Massachusetts woman who recently separated from her husband and had her hours cut at work says an image of Jesus Christ she sees on her iron has reassured her that “life is going to be good.” Mary Jo Coady first noticed the image Sunday when she walked into her daughter’s room. She and her two college-age daughters agree that the image looks like Jesus and is proof that “he’s listening.” Coady says she hopes her story will inspire others during the holidays. She says she plans to keep the iron in a closet and buy a new one.
Ch. 16 (wastes)
Woman sees image of Jesus on her iron
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Wastes (Ch. 16)Wastes (Ch. 16)
Primary goal of waste site location?Depends on geology and hydrology
Types of wastes to manage?3 broad categories of wastes
http://www.bluepeacemaldives.org/blog/2008/02http://www.art.com/products/p13172230-sa-i2268325/charles-bowman-waste-disposal-depot-england-united-kingdom.htm
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Biggest generators?250 million tons/yr of MSW
Worldwide comparisons
http://www.epa.gov/epaoswer/non-hw/muncpl/facts.htmhttp://www.grida.no/publications/vg/waste/page/2854.aspx
Managing Solid WasteManaging Solid Waste
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http://www.epa.gov/epaoswer/non-hw/muncpl/mswdata.htm#item9
Problem is where to put wastes!Used to put ~50-60% into landfills
• NIMBY, NIMFYE
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http://journeytoforever.org/compost.htmlhttp://www.epa.state.il.us/land/open-dumps/index.htmlhttp://www.ehow.com/about_4565744_garbage-disposals.htmlhttp://www.co.saint-marys.md.us/dpw/recycle/illegaldumping.asp
Solid Waste Disposal 1. On-site disposal (small scale)
Garbage disposals
2. Open dumpingDumping wastes wherever land available
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3. Composting
4. IncinerationPro: 75-90% reduction in volume
• Fringe: heat utilization
Con: toxic ash, gas, CO2
• Volatilization of mercury, lead
http://www.window.state.tx.us/specialrpt/energy/renewable/municipal.phphttp://wapi.isu.edu/envgeo/EG9_wstmgt/EGmod9_wastemgt_index.html
Solid Waste Disposal
Incinerator in Sweden
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http://www.epa.gov/owow/oceans/regulatory/dumpdredged/dredgemgmt.html
Solid Waste Disposal
5. Ocean dumpingSewage wastes, solids,
radioactive wastes, toxins, etc.• Ocean Dumping Policies
– Ocean Dumping Act, 1972– Amendment, 1988
• Problems?– Increased BOD– Eutrophication
Dredged materials permitted
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http://earthsci.org/education/teacher/basicgeol/solid_waste/solid_waste.htmlhttp://wapi.isu.edu/envgeo/EG9_wstmgt/EGmod9_wastemgt_index.htmlhttp://wapi.isu.edu/envgeo/EG9_wstmgt/EGmod9_wastemgt_index.html
Solid Waste Disposal 6. Sanitary landfill
Potential hazards• pollution from leachates
– Nitrates, chlorates, sulfates; toxic metals
• Plants accumulate toxins• Noxious gas
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Landfill Potential: Landfill Gas Energy Projects (and Candidates)
http://www.epa.gov/outreach/lmop/overview.htm#methane
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http://www.epa.gov/epawaste/conserve/index.htm
Why decreased landfills? Materials management
Incentives for ‘green buildings’New technology incentives
• Waste exchange programs– Fresh Kills, NY
RecyclingReduce, recycle, reuse (3 R’s)Yard materials banned from
landfills
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http://www.epa.gov/epaoswer/non-hw/muncpl/mswdata.htm#item9http://www.epa.gov/epaoswer/non-hw/muncpl/mswdata.htm#item9
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http://www.jgpress.com/archives/_free/000848.html
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NationalRecycling
Stats
Recycling rates of selected products, 2008