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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: P157

Chemical Abstracts Service (CAS) Registry Number: 115-77-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: RZ2490000; 54598

Chemical Description and Physical Properties:

Solid
Exposure Limits

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5 mg/m3 TWA

Health Factors

Health Effects: Nuisance particulate (HE19)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Tared Polyvinyl Chloride (PVC) filter preceded by a 10 mm Nylon Cyclone (see note)
    maximum volume: 102 Liters
    maximum flow rate: 1.7 L/min
    current analytical method: Gravimetric; Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
    note: If the weight is over the PEL and confirmation is desired then submit the sample to the laboratory for analysis.
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