Glove permeation by organic solvents

Nelson, Gary O.; Lum, B.Y.; Carlson, G.J.; Wong, CM; Johnson, James S.

doi:10.1080/15298668191419613

Cited by 59 publications

(12 citation statements)

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“…This behavior indicates a moderate to high degree of swelling. (18) Latex challenged by E85, and vinyl challenged by regular gasoline and E85, showed this pattern. Figure 2c is similar to Figure 2b, but after the high peak the PR continues to gradually decrease and does not become constant.…”

Section: Permeation Behaviormentioning

confidence: 80%

“…The laboratory tests showed four permeation behaviors, as classified by Nelson et al (18) and depicted in Figure 2: Figure 2a shows a logistic trend consisting of three stages: a period before BT where no permeation is observed, followed by a rapid rise in BT, and then a gradual leveling off to a constant value. This behavior was shown by neoprene challenged by E85, latex challenged by diesel and B20, and SRM challenged by diesel and B20.…”

Section: Permeation Behaviormentioning

confidence: 99%

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Permeation of Gasoline, Diesel, Bioethanol (E85), and Biodiesel (B20) Fuels Through Six Glove Materials

Chin

Batterman

2010

Journal of Occupational and Environmental Hygiene

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Biofuels and conventional fuels differ in terms of their evaporation rates, permeation rates, and exhaust emissions, which can alter exposures of workers, especially those in the fuel refining and distribution industries. This study investigated the permeation of biofuels (bioethanol 85%, biodiesel 20%) and conventional petroleum fuels (gasoline and diesel) through gloves used in occupational settings (neoprene, nitrile, and Viton) and laboratories (latex, nitrile, and vinyl), as well as a standard reference material (neoprene sheet). Permeation rates and breakthrough times were measured using the American Society for Testing and Materials F739-99 protocol, and fuel and permeant compositions were measured by gas chromatography/mass spectrometry. In addition, we estimated exposures for three occupational scenarios and recommend chemical protective clothing suitable for use with motor fuels. Permeation rates and breakthrough times depended on the fuel-glove combination. Gasoline had the highest permeation rate among the four fuels. Bioethanol (85%) had breakthrough times that were two to three times longer than gasoline through neoprene, nitrile Sol-Vex, and the standard reference materials. Breakthrough times for biodiesel (20%) were slightly shorter than for diesel for the latex, vinyl, nitrile examination, and the standard neoprene materials. The composition of permeants differed from neat fuels, e.g., permeants were significantly enriched in the lighter aromatics including benzene. Viton was the best choice among the tested materials for the four fuels tested. Among the scenarios, fuel truck drivers had the highest uptake via inhalation based on the personal measurements available in the literature, and gasoline station attendants had highest uptake via dermal exposure if gloves were not worn. Appropriate selection and use of gloves can protect workers from dermal exposures; however, current recommendations from the National Institute for Occupational Safety and Health should be revised to account for contemporary fuel formulations that routinely contain ethanol.

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Section: Permeation Behaviormentioning

confidence: 80%

Section: Permeation Behaviormentioning

confidence: 99%

Permeation of Gasoline, Diesel, Bioethanol (E85), and Biodiesel (B20) Fuels Through Six Glove Materials

Chin

Batterman

2010

Journal of Occupational and Environmental Hygiene

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“…Skin problems caused by gloves can be due to NRL allergy 3) or to contamination of chemicals and dust to gloves. Organic solvents can easily permeate rubber gloves especially if gloves are worn out 20) . There appeared to be a seasonal effect with about a half of the workers with a history of skin problems complaining of summer exacerbation.…”

Section: Discussionmentioning

confidence: 99%

Skin Problems among Fiber-Glass Reinforced Plastics Factory Workers in Japan.

et al. 2002

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Two surveys, one in winter the other in summer time, examined the skin problems of the entire manual workers (N=148) from 11 small-to-medium sized fiber-glass reinforced plastics (FRP) factories located in Kyushu, Japan. The workers were exposed to unsaturated polyester resin, including styrene and auxiliary agents such as cobalt naphthenate, hardeners such as methyl ethyl ketone peroxides, glass fiber and dust including shortened glass fiber and plastic particles. Eightyseven workers (58.8%) reported having skin problems (mainly itching or dermatitis) since they started to work in FRP manufacturing and 25 workers had consulted a physician because of their skin problems; one worker was forced to take sick leave because of his severe dermatitis. History of allergic diseases and shorter occupational period (duration of employment) in a FRP factory were associated with greater probability of having a history of work-related skin symptoms. Workers in factories where dust-generating and lamination sites were located in different buildings were significantly less likely to have a history of skin problems than those in factories where the two sites were located in the same building. Of the 67 workers examined in both seasons closed to double the prevalence of dermatitis was found in summer (23.3%) than winter (13.4%).

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“…Generally, glove thickness forms a negative correlation with the permeation resistance [12,13] , and the breakthrough time is in inverse proportion to thickness square [14][15][16] . The experimental results of the permeation resistance of NR double-layer protective glove against 25% TMAH are shown in Figure 9.…”

Section: Permeation Resistance Of Double-layer Protective Glovementioning

confidence: 99%