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Chemical Sampling Information (CSI)
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General Description

Synonyms: Diesel Exhaust Component; Coumarone; Cumarone; Benzofuran

OSHA IMIS Code Number: B717

Chemical Abstracts Service (CAS) Registry Number: 271-89-6

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DF6423800; 15956

Chemical Description and Physical Properties:

molecular weight: 118.13
boiling point: 173°C
molecular formula: C8H6O
Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 2B Possibly carcinogenic to humans (Vol 63)

Health Effects: Diesel exhaust is a potential carcinogen. U.S. Department of Health and Human Services. NIOSH Current Intelligence Bulletin No. 50, August 1988.

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: XAD-2 tube (80/40 mg sections, 15/50 mesh)
    analytical solvent: (90:10) Methylene Chloride/ Methanol
    maximum volume: 96 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/UV
    method reference: 2 (OSHA In-House file)
    method classification: Partially Validated

Conditions:

  • column: C18
    mobile phase: 90:10 Methylene Chloride:Methanol
    detector wavelength: 254 nm
    detection limit: 4.88 ug/inj
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