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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 1400

Chemical Abstracts Service (CAS) Registry Number: 7440-59-7

Chemical Description and Physical Properties:

gas

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Construction Industry: Simple Asphyxiant (Note 3)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): (Simple Asphyxiant)

Health Factors

Health Effects: Simple Asphyxiation (HE17) If Oxygen level is 18% by volume

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • Field Analysis. Measure % oxygen present with oxygen meter

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