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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 0381

Chemical Abstracts Service (CAS) Registry Number: 10294-33-4

Chemical Description and Physical Properties:

liquid
Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Construction Industry: 29 CFR 1926.55 Appendix A -- 1 ppm, 10 mg/m3 Ceiling

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 ppm, 10 mg/m3 Ceiling

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 ppm ceiling

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Lungs---Marked (HE14) Acute Irritation-Eyes, Nose, Throat, Lungs (HE4)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Midget Fritted Glass Bubbler (MFGB) containing 10 mL 0.003 M NaHC03/0.0024 M Na2C03
    maximum volume: 5 Liters
    maximum flow rate: 1.0 L/min (Ceiling)
    current analytical method: Ion Chromatography; IC
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
    note: Sample hydrolyzed to Bromide. Analysis for Br- follows OSHA method ID-108. Submit as a separate sample.

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