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1,4-Dioxane Results - AEGL Program

1,4-Dioxane      123-91-1     (Interim)
  10 min 30 min 60 min 4 hr 8 hr
ppm 10/25/04
AEGL 1 17 17 17 17 17
AEGL 2 580 400 320 200 100
AEGL 3 950 950 760 480 240


Level of Distinct Odor Awareness = 1.7 ppm

IMPORTANT NOTE: Interim AEGLs are established following review and consideration by the National Advisory Committee for AEGLs (NAC/AEGL) of public comments on Proposed AEGLs. Interim AEGLs are available for use by organizations while awaiting NRC/NAS peer review and publication of Final AEGLs. Changes to Interim values and Technical Support Documents may occur prior to publication of Final AEGL values. In some cases, revised Interim values may be posted on this Web site, but the revised Interim Technical Support Document for the chemical may be subject to change. (Further information is available through

AEGL Process).

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