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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: C119

Chemical Abstracts Service (CAS) Registry Number: 7440-45-1

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:

  • See Particulates not otherwise regulated (Respirable Fraction) O
  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns
    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 ID-121)
    method classification: Not Validated
    note: Submit as separate sample. If the filter is not overloaded samples may be collected up to eight hours. An elemental analysis is performed for Cerium.

Conditions: Cerium is soluble in concentrated or dilute mineral acids.

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