E-Limit

Beryllium and compounds, Inhalable, as Be

CAS Number

7440-41-7

Last Revised

2009; 2010; 2015

TWA Limit

0.00005 mg/m3

STEL

--

Ceiling Limit

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Notes & Notations
  • ACGIH A1 - Confirmed human carcinogen (cancer causing)
  • ACGIH DSEN - Dermal sensitizer - Soluble compounds
  • ACGIH RSEN - Respiratory sensitizer - Soluble and insoluble compounds
  • ACGIH Skin - Contributes to exposure by the skin route - Soluble compounds
  • IARC 1 - Carcinogenic to humans (cancer causing)
  • OHSR 5.57 is applicable for this designated substance
Basis of B.C. Exposure Limit
Minimize the potential for:
  • Beryllium sensitization
  • Chronic beryllium disease
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
Synonyms:

Be

IDLH:

4 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.