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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: C619

Chemical Abstracts Service (CAS) Registry Number: 287-92-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GY2390000; 28941

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1146; 128 Flammable Liquid


Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 600 ppm, 1720 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 600 ppm TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1)

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 5 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1, 2 (OSHA modified NIOSH 1500) [127 KB PDF, 8 pages]
    method classification: Not Validated

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