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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: V119

Chemical Abstracts Service (CAS) Registry Number: 1321-74-0

Other Chemical Abstracts Service (CAS) Registry Number: 108-57-6

NIOSH Registry of Toxic Effects (RTECS) Identification Number: CZ9450000; 13902

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 ppm, 53 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 ppm TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Coated Charcoal Tube (100/50 mg sections, 20/40 mesh) Coating is p-tert-butylcatechol.
    analytical solvent: Toluene
    maximum volume: 12 Liters
    maximum flow rate: 0.05 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA 89)
    sampling and analytical error: 0.08
    method classification: Fully Validated

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