E-Limit

Cobalt and inorganic compounds, as Co, Inhalable

CAS Number

7440-48-4

Last Revised

2024

TWA Limit

0.02 mg/m3

STEL

--

Ceiling Limit

--

Notes & Notations
  • ACGIH DSEN - Dermal sensitizer
  • ACGIH RSEN - Respiratory sensitizer
  • IARC 2B - Possibly carcinogenic (cancer causing) to humans
  • OHSR 5.57 is applicable for this designated substance
Basis of B.C. Exposure Limit
Minimize the potential for:
  • Pulmonary function changes
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:

Co

IDLH:

20 mg/m3

 (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.