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Permeation of Telone EC through protective gloves
Hanaa Zainal1, Shane S Que Hee
1Department of Environmental Health Sciences and UCLA Center for Occupational and Environmental Health, School of Public Health, University of California at Los Angeles, 650 Charles Young Jr. Drive South, Los Angeles, CA 90095-1772, USA. squehee@ucla.edu
Journal of Hazardous Materials
|June 29, 2005
Summary
Nitrile and laminated gloves offer inadequate protection against Telone EC, a pesticide containing 1,3-dichloropropene (1,3-DCP). Even the best-performing Silver Shield gloves showed significant permeation, indicating a need for superior protective gear like Viton gloves.
Area of Science:
- Agricultural Chemistry
- Occupational Health and Safety
- Environmental Science
Background:
- Telone, a fumigant containing 1,3-dichloropropene (1,3-DCP), poses inhalation and air pollution risks.
- Dermal exposure to Telone is a concern, as urinary metabolites of 1,3-DCP have been detected.
- Assessing protective glove efficacy is crucial for mitigating occupational exposure risks.
Purpose of the Study:
- To evaluate the protective capabilities of nitrile and multi-layer laminated gloves against Telone EC formulation.
- To determine the extent of 1,3-DCP permeation through different glove materials.
Main Methods:
- Glove materials (nitrile and laminated) were challenged with Telone EC in ASTM-type permeation cells.
- Hexane was used as a collection liquid for permeated 1,3-DCP.
- Gas chromatography with electron capture detection analyzed 1,3-DCP levels in the collection fluid.
Main Results:
- Both nitrile glove types developed microholes upon exposure to Telone EC.
- Laminated gloves provided limited protection, with breakthrough times ranging from 27 to 60 minutes.
- Silver Shield demonstrated superior performance among laminated gloves, but still allowed significant 1,3-DCP permeation.
Conclusions:
- Nitrile and laminated gloves do not provide adequate protection against Telone EC.
- Viton gloves are recommended for effective protection against Telone exposure.
- Further research into advanced protective materials may be warranted.