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Styrene Results

[Acute Exposure Guideline Levels (AEGLs) Program]

Styrene      100-42-5     (Interim)
ppm (12/12/06)
10 min 30 min 60 min 4 hr 8 hr
AEGL 1 20 20 20 20 20
AEGL 2 230 160 130 130 130
AEGL 3 1,900* 1,900* 1,100* 340 340

Lower Explosive Limit (LEL) = 9,000 ppm
* = >10% LEL
For values denoted as * safety considerations against the hazard(s) of explosion(s) must be taken into account.
Level of Distinct Odor Awareness = 0.54 ppm

Technical Support Document

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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