E-Limit

Parathion, Inhalable

CAS Number

56-38-2

Last Revised

2003

TWA Limit

0.05 mg/m3 (V)

STEL

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Ceiling Limit

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Notes & Notations
  • ACGIH (IFV) - Inhalable Fraction & Vapour
  • ACGIH Skin - Contributes to exposure by the skin route
  • 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:
  • Cholinesterase inhibition
  • Note: There may be other potential health effects; refer to ACGIH TLV Documentation and other relevant references.
IDLH:

10 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.