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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 2235

Chemical Abstracts Service (CAS) Registry Number: 7440-21-3

Chemical Description and Physical Properties:

solid

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 10 mg/m3 TWA

Health Factors

Health Effects: Nuisance particulate-Accumulation in lungs (HE19)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

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