Sulfur dioxide
CAS Number
7446-09-5
Last Revised
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TWA Limit
2 ppm
STEL
5 ppm
Ceiling Limit
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Basis of B.C. Exposure Limit
Minimize the potential for:
Minimize the potential for:
- Lower respiratory tract irritation
- Lung function impairment
- Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:
SO2
IDLH:
100 ppm
(Source: NIOSH)
If the substance you are searching has an entry that contains a size-selective fraction, form, or work activity, you should perform an additional search to confirm if other exposure limits may apply.
Ensure no workers are exposed to a substance that exceeds the exposure limits in accordance with OHSR 5.48.
Ensure no workers are exposed to a substance that exceeds the exposure limits in accordance with OHSR 5.48.