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Submarine Exposure Guidance Levels for Selected Hydrofluorocarbons HFC-236fa, HFC-23,and HFC-404a (2000) / Chapter Skim
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... The subcommittee believes that the most appropriate way to calculate exposure guidance levels for HFC-404a is the method used by the American Conference of Governmental Inclustrial Hygienists to calculate threshold limit values for special cases when the exposure of concern is a liquid mixture and the atmospheric composition is assumed to be similar to that ofthe original material (i.e., on a time-weightedaverage exposure basis, all the liquid mixture eventually evaporates)
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Key Terms

  • guidance levels
  • exposure guidance
  • toxicity study
  • interspecies variability
  • percent composition

  • american conference
  • guidance level
  • liquid mixture
  • calculate exposure
  • day cegl


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