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Chemical Sampling Information (CSI)
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General Description

Synonyms: Fluorine-19

OSHA IMIS Code Number: 1270

Chemical Abstracts Service (CAS) Registry Number: 7782-41-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: LM6475000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 9192 167 (cryogenic liquid); 1045 124

NIOSH Pocket Guide to Chemical Hazards, Fluorine: chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 29 CFR 1910.1000 Table Z-1 - 0.1 ppm, 0.2 mg/m3 TWA

Construction Industry: 29 CFR 1926.55 Appendix A - 0.1 ppm, 0.2 mg/m3 TWA

Maritime: 29 CFR 1915.1000 Table Z-Shipyards - 0.1 ppm, 0.2 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 ppm, 1.6 mg/m3 TWA; 2 ppm, 3.1 mg/m3 STEL

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 ppm, 0.2 mg/m3 TWA

Health Factors

NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 25 ppm

Potential Symptoms: Eye, nose, respiratory tract irritation; laryngeal spasm, wheezing; pulmonary edema; eye, skin burns; in animals: liver, kidney damage

Health Effects: Lung edema (HE11); Irritation-Eyes, Nose, Throat, Skin, Lungs---Marked (HE14); Cumulative liver and kidney damage (HE3)

Affected Organs: Eyes, skin, respiratory system, liver, kidneys

Notes:

  1. EPA's oral reference dose (daily oral exposure likely to be without an appreciable risk of deleterious effects during a lifetime) of fluorine is 0.06 mg/kg/day.

Literature Basis:

  • NIOSH Pocket Guide to Chemical Hazards: Fluorine.
  • International Chemical Safety Cards (WHO/IPCS/ILO): Fluorine.
  • U.S. EPA Integrated Risk Information System: Fluorine (soluble fluoride); CASRN 7782-41-4.
  • Pohanish, R.P. (editor): Fluorine. In, Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 1. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 1164-1166.

Date Last Revised: 01/23/2006

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Midget Fritted Glass Bubbler (MFGB) containing 15 mL of 0.1 N NaOH
    maximum volume: 480 Liters
    maximum flow rate: 1.0 L/min
    current analytical method: Ion Specific Electrode; ISE
    method reference: OSHA Salt Lake Technical Center In-House File
    method classification: Not Validated
    note: Submit as separate sample. Sample will be analyzed for total fluoride using Method ID-110 and the result will be reported as fluorine.

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