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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: C635

Chemical Abstracts Service (CAS) Registry Number: 634-90-2

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DB9445000; 14439

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Teflon filter (Type LS) in series with Amberlite XAD-2 Tube (100/50 mg sections, 20/50 mesh)
    analytical solvent: Hexane
    maximum volume: 12 Liters
    maximum flow rate: 0.2 L/min
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
    note: Based on NIOSH 5517 [24 KB PDF, 5 pages] for 1,2,4,5-Tetrachlorobenzene.
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Page last updated: 01/26/1992

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