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Safety and Health Topics: |
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| Octane |
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General Description
Synonyms: n-Octane; Normal octane
OSHA IMIS Code Number: 1957
Chemical Abstracts Service (CAS) Registry Number: 111-65-9
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: RG8400000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1262 128
NIOSH Pocket Guide to Chemical Hazards, Octane: chemical description, physical properties, potentially hazardous incompatibilities, and more
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 500 ppm, 2,350 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 400 ppm, 1,900 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 400 ppm, 1,900 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 300 ppm TWA (TLV listed for Octane, All isomers)
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 75 ppm, 350 mg/m3 TWA; 385 ppm, 1,800 mg/m3 Ceiling (15 Minutes)
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 1,000 ppm [10% LEL]
Potential symptoms: Eye, nose irritation; drowsiness; dermatitis; chemical pneumonia
Health Effects: Irritation-Eye, Nose, Throat, Skin---Mild (HE16); Narcosis (HE8)
Affected organs: Skin, eyes, respiratory system
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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sampling media: Charcoal Tube (100/50 mg sections, 20/40 mesh)
analytical solvent: (99:1) Carbon Disulfide:Dimethylformamide
maximum volume: 4 Liters maximum flow rate: 0.05 L/min
current analytical method: Gas Chromatography; GC/FID
method reference: OSHA Analytical Method (OSHA PV2138)
method classification: Partially Validated
On-Site Sampling Techniques/Methods:
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device: Detector Tube
manufacturer: AUER/MSA
model/type: Hexane-20, MSA P/N 497664, AUER P/N 5086-832
sampling information: follow manufacturer's instructions
upper measurement limit: 3000 ppm
detection limit: approximately 25 ppm
overall uncertainty: unknown
method reference: on-site air secondary (manufacturer)
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device: Detector Tube
manufacturer: Gastec
model/type: 105
sampling information: 1 to 2 strokes
upper measurement limit: 3000 ppm
detection limit: 20 ppm
overall uncertainty: 16% for 200 to 1000 ppm, 8% for 1000 to 3000 ppm
method reference: on-site air secondary (manufacturer)
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