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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: C120

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: Use Crystalline Silica: Quartz (Respirable) Limits (Table Z-3)

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): See Coal Dust (IMIS C131)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

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