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Chemical Sampling Information (CSI)
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General Description

Synonyms: 2H-1-Benzopyrene-2-one, 4-hydroxy

OSHA IMIS Code Number: R259

Chemical Abstracts Service (CAS) Registry Number: 1076-38-6

Chemical Description and Physical Properties:

molecular weight: 162.15

Health Factors

Health Effects: Diesel exhaust is a potential carcinogen. U.S. Dept. 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 (100/50 mg sections, 20/50 mesh)
    analytical solvent: (90/10) Methylene Chloride/ Methanol
    maximum volume: 10 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: 76:24:0.1 Water: Acetonitrile: H3PO4; Detector Wavelength: 254

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