Synonyms: Cobalt metal dust; Cobalt metal fume
OSHA IMIS Code Number: 0350
Chemical Abstracts Service (CAS) Registry Number: 56-55-3
NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: CV9275000
OSHA Permissible Exposure Limit (PEL):
General Industry: See Coal Tar Pitch Volatiles (Benzene Soluble Fraction)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): Appendix A2 (Suspected Carcinogen)
National Toxicology Program: Suspect Human Carcinogen
Primary Laboratory Sampling/Analytical Method (SLC1):
International Agency for Research on Cancer (IARC): Group 2A, probably carcinogenic to humans [340 KB PDF, 6 pages]
sampling media: Pre-cleaned Glass Fiber Filter (37 mm)
maximum volume: 960 Liters
maximum flow rate: 2.0 L/min
current analytical method: High Performance Liquid Chromatography; HPLC/UV/FLU
method reference: 2 (OSHA In-House File)
method classification: Partially Validated
note: OSHA personnel can obtain pre-cleaned filters, vials, and Teflon-lined caps from SLTC. Immediately after sampling, transfer filter to glass scintillation vial and seal with Teflon-lined cap. Protect from light.
- column: C18
mobile phase: 85:15 Acetonitrile: Water
detector wavelength: 254nm
flouresence detection limit:
- Limit the amount of bulk submitted to one gram or one mL
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