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Appendix A Historical Scenarios
Pages 111-118

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From page 111...
... Appendix A Historical Scenarios T he following historical incidents provide some perspective on the magnitude of the consequences that might result from the kinds of terrorist attacks described in the scenarios in Chapter 3. These incidents also served as a basis for the development of those four scenarios.
From page 112...
... 112 APPENDIX A homes uninhabitable and 85 schools or colleges damaged; chemical releases and structural damages at other facilities.1 Facility: Phillips Petroleum Location: Pasadena, Texas Date of Event: October 23, 1989 Chemical(s) involved: Plastics manufacturing Event: An explosion in a polyethylene reactor was caused when a seal blew out on an ethylene loop reactor, releasing ethylene-isobutane and setting off a series of fires and explosions.
From page 113...
... APPENDIX A 113 Consequences of Event: 15 people were killed and more than 100 were wounded.4 Facility: Union Carbide Corporation Location: Bhopal, India Date of Event: December 3, 1984 Chemical(s) involved: Methyl isocyanate (MIC)
From page 114...
... The split released diesel oil over the tank's containment dikes, across a parking lot on an adjacent property, and into an uncapped storm drain that emptied directly into the river.8 Consequences of Event: The oil spill temporarily contaminated drinking water sources for an estimated 1 million people in Pennsylvania, West Virginia, and Ohio; contaminated river ecosystems; killed wildlife; damaged private property; and adversely affected businesses in the area; more than 511,000 gallons of diesel fuel remain unrecovered and are presumed to be in the rivers. Facility: Motiva Enterprises, LLC Location: Delaware City, Delaware Date of Event: July 17, 2001 7See the following web site for more information: http://www.local1259iaff.org/ report.htm.
From page 115...
... APPENDIX A 115 Chemical(s) involved: Sulfur dioxide and sulfuric acid Event: Welding operations on a catwalk triggered a fire that propagated into an explosion in the confined headspace of a large storage tank, causing its catastrophic collapse and release of its contents.
From page 116...
... 116 APPENDIX A fumes that restricted access to the tunnel for several days. A 40-inch-diameter water main directly above the tunnel broke in the hours following the accident and flooded the tunnel with millions of gallons of water.
From page 117...
... APPENDIX A 117 Chemical Shortage Scenario The following flu outbreaks provide a basis for assessing the magnitude of these events. Date Fatalities Mortality Rate Spanish flu (U.S.)
From page 118...
... 118 APPENDIX A The anthrax attacks occurred over the course of several weeks beginning on September 18, 2001. The crime is suspected to be domestic and intended to frighten and raise public fear rather than kill large numbers of people.15 There were also occurrences of copycat letters being mailed.

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