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The continued storage and disposal of the United States' unitary chemical stockpile, including that portion stored at Newport Army Ammunition Plant (NAAP) near Newport, Indiana, have the potential for accidental releases that could escape installation boundaries and pose a threat to civilian populations. The US Army, in conjunction with the Federal Emergency Management Agency and other federal agencies, is committed to implement an emergency preparedness program that will significantly reduce the probability of adverse effects from such releases. This concept plan, which is but a part of a comprehensive ongoing effort, provides a framework for initiating such a program for the NAAP stockpile. This report develops information and methodologies that bear on two major decisions for such a program -- determining emergency planning zones and selecting protective action strategies. These decisions are based on the hazards posed by the NAAP stockpile and its disposal. These hazards, in turn, are based largely on the distribution of potential accidental releases associated with interim storage and disposal activities and associated external events (e.g., earthquakes and airplane crashes), the distribution of natural features that can affect an agent release (topographical features and meteorological characteristics), and the distribution of people and resources (e.g., homes, schools,more » and hospitals) potentially affected by an accidental release. 22 refs., 9 figs., 12 tabs.« less |
