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Chemical Sampling Information (CSI)
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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:

  • 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 In-House File)
    method classification: Not Validated
    note: Submit as a separate sample. If the filter is not over- loaded, 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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