Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants Volume 1 (2007) / Chapter Skim
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1 Introduction
1 Introduction
Pages 8-22
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. As a result of the Navy's request, the NRC convened the Subcommittee on Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants in 2002.
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consistent with the scientific data and whether any changes to the Navy's exposure levels should be made on the basis of the subcommittee's evaluation. For two submarine contaminants for which no guidance levels !
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Although recent data indicate that U.S. submariners are a healthy population, some members of this population might be particularly sensitive to certain air contaminants because of either genetic predisposition or conditions arising during active duty.
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The nuclear-powered attack submarines have a designated crew of about 130 men who are deployed at irregular intervals for varying lengths of time. The nuclear-powered ballistic missile submarines have two crews that rotate between ship and shore duty on a 90-day cycle.
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Nuclear-powered 2 rotating crews, Regularly scheduled patrols; ballistic missile 160 men per crew 90-day cycle between ship and submarines (SSBN) shore; patrols >60 days in length a Note that there are three classes of attack submarines -- Los Angeles, Seawolf, and Virginia -- and one class of ballistic missile submarines -- Ohio.
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FIGURE 1-1 Generalized schematic of a nuclear-powered attack submarine. Source: Adapted from image courtesy of the Smithsonian/NMAH Transportation.
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A portable oxygen detector verifies oxygen levels weekly. Colorimetric detector tubes are used weekly to measure concentrations of the following compounds: acetone, ammonia, benzene, carbon dioxide, carbon monoxide, chlorine, hydrazine, hydrochloric acid, nitrogen dioxide, ozone, sulfur dioxide, toluene, total hydrocarbons, methyl chloroform, and monoethanolamine.
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guidance levels. The subcommittee considered human data from accidental exposures, experimental studies, and epidemiologic studies to be valuable in determining the effects of chemical exposure.
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The specific approaches adopted by the subcommittee for developing EEGLs and CEGLs are outlined in the sections that follow. Emergency Exposure Guidance Levels NRC (1986b)
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. Continuous Exposure Guidance Levels NRC (1986b)
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Comparison to Other Regulatory Standards or Guidance Levels The subcommittee considered relevant inhalation exposure standards or guidance levels from NRC and other agencies or organizations in its evaluations. However, the subcommittee notes that the EEGLs and CEGLs differ from typical public-health and occupational-health standards in three important ways.
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2003. Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants.
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Presentation at the First Meeting on Emergency and Continuous Exposure Guidance Levels for Selected Submarine Contaminants, January 23, 2003, Washington, DC. Inskip, H., M
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2001. Standing Operating Procedures for Developing Acute Exposure Guideline Levels for Hazardous Chemicals.
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22 EEGLs and CEGLs for Selected Submarine Contaminants U.S.
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