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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 0682

Chemical Abstracts Service (CAS) Registry Number: 2039-87-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: WL4160000; 79117

Chemical Description and Physical Properties:

Liquid.

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 50 ppm, 283 mg/m3 TWA; 75 ppm, 425 mg/m3 STEL

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 50 ppm TWA, 75 ppm STEL

Health Factors

Health Effects: Cumulative liver, kidney damage (HE3)

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 20 Liters
    maximum flow rate: 0.2 L/min (TWA)
    maximum volume: 3 Liters
    maximum flow rate: 0.2 L/min (STEL)
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1, 2 (OSHA modified NIOSH 1003)
    method classification: Not Validated

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