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Chemical Sampling Information (CSI)
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General Description

Synonyms: 1,1-Dichloro-1,2,2,2-tetrafluoroethane

OSHA IMIS Code Number: T336

Chemical Abstracts Service (CAS) Registry Number: 374-07-2

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: UN1958 Non-Flammable Gas

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Two Charcoal Tubes in series (First tube 400/200 mg sections, second tube 100/50 mg sections, both tubes 20/40 mesh)
    analytical solvent: Methylene Chloride
    maximum volume: 2 Liters
    maximum flow rate: 0.05 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 1,2 (OSHA modified NIOSH 1018 [23 KB PDF, 4 pages])
    method classification: Not Validated

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