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CEE597 Handout 33 Morall

CEE597 Handout 33 Morall - CEE 597 Risk Analysis and...

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CEE 597 - Risk Analysis and Management April 18,2007 Wed. 4/18/07 - Read in packet- Morall: A Review of the Record Friday 4/20/07 -- Read in packet- Hearst and Hully, "Preventing the heterosexual spread of AIDS No Rlsk is the Highest Rlsk of All Aaron Wildavsky Readings in Risk "How extraordinary! The richest, longest-lived, best-protected, most resourceful civilization, with the highest degree of insight into its own technology, is on its way to becoming the most frightened .... Chicken Little is alive and well in America." 'Biologists tell of organisms that die not so much because of invasion of lethal foreign bodies, but rather because the attack arouses all defense mechanisms of the organism at once, thereby leading to annihilation by exhaustion." Reducing Risks is not Riskless Lessen risk reduces productivity and consumes resources. If drugs are hard to certify -- some good drugs won't become available. Nitrates cause cancer, but they are preservatives that guard against botulism. Too many safeguards become a hazard in of themselves. We must balance safety against safety; one risk against risk. Do we want to be made safe by government regulators who take away freedom in the bargain: "restfiction is coercion." 11 top risks Identified by EPA Advisory Panel as posing biggest environmental or public health threats September, 1990 (see handout today) Ecological Risks Habitat alteration and destruction Species extinction and overall loss of biodiversity Global climate change Stratospheric ozone depletion Health Risks Criteria air pollutants (e.g. smog) Toxic air pollutants (e.g. benzene) Radon Indoor air pollutants Drinlung water contamination Occupational exposure to chemicals Application of pesticides Stratospheric ozone depletion
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CEE 597 - Risk Analysis and Management Public Top Concerns, March 1990 Active hazardous waste sites Abandoned hazardous waste sites Water pollution from industrial wastes Occupational exposure to toxic chemicals Oil Spills Destruction of ozone layer Nuclear plant accidents Industrial accidents releasing pollutants Radiation from radioactive wastes Air pollution from fmtories Leaking underground storage tanks Coastal water contamination Solid waste and litter Pesticide risks to farm workers Water pollutioi from agricultural runoff Water pollution from sewage plants Air pollution from vehicles Pesticide residuals in foods Greenhouse effect Drinktng water contamination % are percentage of public that rated each problem as very serious. Issues in italics if also on Advisory Panel list. Science, Aug., 1990: " ... the things the public cares most about, like hazardous waste, ended up in the middle or at the bottom of the heap." "want to focus agency resources on where get biggest payoff, which means not only how risky a problem is, but how feasible and costly the various 'fixes' are." Panel Recommendations to EPA Guiding principle in budgetary decisions should be risk reduction. "Target protective efforts at the problems that seem to be the most serious." EPA should give as much weight to ecological risks as it does health risks.
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  • Spring '07
  • Stedinger
  • Hazardous waste, United States Environmental Protection Agency, stratospheric ozone depletion, hazardous waste sites

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CEE597 Handout 33 Morall - CEE 597 Risk Analysis and...

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