Interception Systems in Assessment of Dermal Exposure to Pesticides: Laboratory Comparison of Media

Elena Barrese, Giovanna Tranfo, Antonella Marramao and Marialuisa Scarpelli
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Elena Barrese: INAIL, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene (DiMEILA), Area Industriale Papa Benedetto XVI, 88046 Lamezia Terme (CZ), Italy
Giovanna Tranfo: INAIL, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene (DiMEILA) Via Di Fontana Candida 1, 00078 Monte Porzio Catone (RM), Italy
Antonella Marramao: INAIL, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene (DiMEILA), Area Industriale Papa Benedetto XVI, 88046 Lamezia Terme (CZ), Italy
Marialuisa Scarpelli: INAIL, Department of Occupational and Environmental Medicine, Epidemiology and Hygiene (DiMEILA), Area Industriale Papa Benedetto XVI, 88046 Lamezia Terme (CZ), Italy

IJERPH, 2020, vol. 17, issue 12, 1-12

Abstract: Dermal exposure of workers to pesticides can be assessed using patches, placed on the workers’ clothes or used to wipe off the substance from the skin. Since there are no official indications of the materials to be used for patch sampling, a wide range of materials is suggested in the scientific literature. This paper reports a laboratory study on the affinity of four different pesticides widely used in southern Italy with five patch matrices. Imidacloprid, Hexythiazox, Boscalid and Myclobutanil were tested with cotton and gauze sheets, polyethylene tissue and two different grades of cellulose papers. An aerosol machine was used to nebulize the substance on the patches in a closed system, simulating the conditions of use on the workers’ clothes. The recovery of the analytes from the media was evaluated, by spiking the patches with a known amount of each active substance and testing their performances as skin wipes. Samples were extracted and analyzed in gas chromatography with an electron capture detector. The recovery from the spiked patches was 89–96% for all pesticides, while the test recoveries were very different. Results showed a higher affinity with Imidacloprid and Hexythiazox for gauze, with Myclobutanil for cotton and with Boscalid for paper filters (W41).

Keywords: agrochemicals; wipe sampling; sampling pads; occupational exposure; cute (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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