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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: B129

Chemical Abstracts Service (CAS) Registry Number: 192-97-2

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: DJ42000000; 18285

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: See Coal Tar Pitch Volatiles (Benzene Soluble Fraction)
Health Factors

Carcinogenic Classification:

International Agency for Research on Cancer (IARC): Group 3, not classifiable as to its carcinogenicity to humans
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    maximum volume: 960 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
    note: After sampling, filter must be transferred to a glass vial with a Teflon-lined cap. The sample must be protected from direct sunlight.

Conditions:

  • column: C18
    mobile phase: 85:15 Acetonitrile: Water
    detector wavelength: 254nm
    flouresence detection limit:
      excitation: 254nm
      emissions: 370nm

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