E-Limit

Ammonia

CAS Number

7664-41-7

Last Revised

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TWA Limit

25 ppm

STEL

35 ppm

Ceiling Limit

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Basis of B.C. Exposure Limit
Minimize the potential for:
  • Acute eye and respiratory tract irritation
  • Eye damage
  • Other adverse respiratory effects
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:

Azane

; 

NH3

IDLH:

300 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.