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Chemical Sampling Information (CSI)
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General Description

Synonyms: Indonaphthene; Inden

OSHA IMIS Code Number: 1500

Chemical Abstracts Service (CAS) Registry Number: 95-13-6

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: NK8225000; 42784

Chemical Description and Physical Properties:

liquid

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Construction Industry: 10 ppm, 45 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 10 ppm, 48 mg/m3 TWA

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

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Skin---Moderate (HE15) Cumulative liver and kidney damage (HE3)

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Chromosorb 106 Tube (100/50 mg sections, 60/80 mesh)
    analytical solvent: Carbon Disulfide
    maximum volume: 10 Liters
    maximum flow rate: 0.2 L/min
    current analytical method: Gas Chromatography; GC/FID
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated

Conditions: Zorbax ODS column; 70% methanol 30% water; 1.5 mL/min; UV Det: 254; Retention time, 10.9 min; DL 24 ng/inj; C/P YC 7/82

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