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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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... TABLE S-1 Submarine Exposure Guidance Levels Exposure NRC Levels,a ppm Navy Levels,b ppm HFC-236fa 1-fur EEGL 10,000 2,000 24-hr EEGL 2,000 1,000 90-day CEGL 350 100 HFC-23 1-fur EEGL 20,000 2,000 24-hr EEGL 5,000 1,000 90-day CEGL 500 100 HFC-404a 1-fur EEGL 12,900 2,000 24-hrEEGL 4,300 1,000 90-day CEGL 800 100 Calculated on the basis ofthe available data. bThe proposed exposure guidance levels are the same as those previously established for chlorofluorocarbons CFC-12 and CFC-1 14.
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Key Terms

  • guidance levels
  • exposure guidance
  • guidance level
  • submarine exposure
  • day cegl


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