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Cesium Hydroxide

General Description

  • OSHA IMIS Code Number: 0576
  • Chemical Abstracts Service (CAS) Registry Number: 21351-79-1
  • Chemical Description and Physical Properties:
    • solid

Exposure Limits

  • American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 mg/m3 TWA
  • National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 mg/m3 TWA

Health Factors

  • Health Effects: Irritation-Eye, Nose, Throat, Skin-Moderate (HE15)

Monitoring Methods used by OSHA

Laboratory Sampling/Analytical Method:
  • 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 In-House File)
  • method classification: Not Validated
  • note: Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period. When the analysis of a compound is requested, an elemental Cesium analysis is performed and reported as the compound.

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