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Chemical Sampling Information (CSI)
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General Description

Synonyms: (1)RTECS 85-86

OSHA IMIS Code Number: C100

Chemical Abstracts Service (CAS) Registry Number: 10210-68-1

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GG0300000; 26766

Chemical Description and Physical Properties:

molecular weight: 341.94
molecular formula: C8Co2O8
Exposure Limits

 American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.1 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 micron
    maximum volume: 960 Liters
    minimum volume: 480 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: Atomic Absorption Spectroscopy; AAS
    method reference: 2 (OSHA In-house file)
    method classification: Not Validated
    note: Analysis is for total Cobalt. Proposed sampling and analytical+ procedure follows OSHA Method ID-121.

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