Efficiency of safety measures applied to a manual knapsack sprayer for paraquat application to Maize (Zea mays L.)

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorMachado-Neto, J. G.
dc.creatorMatuo, T.
dc.creatorMatuo, Y. K.
dc.date2014-05-27T11:19:37Z
dc.date2016-10-25T18:15:17Z
dc.date2014-05-27T11:19:37Z
dc.date2016-10-25T18:15:17Z
dc.date1998-11-01
dc.date.accessioned2017-04-06T00:52:36Z
dc.date.available2017-04-06T00:52:36Z
dc.identifierArchives of Environmental Contamination and Toxicology, v. 35, n. 4, p. 698-701, 1998.
dc.identifier0090-4341
dc.identifierhttp://hdl.handle.net/11449/65536
dc.identifierhttp://acervodigital.unesp.br/handle/11449/65536
dc.identifier10.1007/s002449900433
dc.identifier2-s2.0-0031791585
dc.identifierhttp://dx.doi.org/10.1007/s002449900433
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/887251
dc.descriptionThe objectives of the present study were to evaluate the safety of mixer/loaders and applicators of paraquat to maize crop by knapsack sprayers and to determine the efficacy of safety measures applied to the sprayers. Potential dermal exposure (PDE) was evaluated in 22 worker body parts. The Cu2+ cation of a copper-based fungicide was used as tracer in the spray solution. Sanitary pads and cotton gloves were used to collect the pesticide solution on the sampled body parts. It was observed that paraquat application in front of the applicator's body (0.5 and 1.0 m lance) is unsafe because PDE was 1,979.8 ml/day (for 0.5 m lance) and 1,290.4 ml/day (for 1.0 m lance) and needs 50-80% and 37-69% control of PDE respectively. Control can be achieved by the use of protective garment on the legs and feet only, which received 92-93% of the PDE. Switching the spray nozzle to the back of the operator reduced the PDE by 98% and was sufficient to make working conditions safe, while maintaining the efficiency of application and making the work lighter and more comfortable. Mixer/loaders received 86% of the PDE to the hands and the work condition was safe (MOS > 1), however impermeable gloves could be used as a further safety measure.
dc.languageeng
dc.relationArchives of Environmental Contamination and Toxicology
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectparaquat
dc.subjectaerosol
dc.subjecthuman
dc.subjecthuman experiment
dc.subjectoccupational exposure
dc.subjectoccupational safety
dc.subjectpesticide spraying
dc.subjectpriority journal
dc.subjectprotective clothing
dc.subjectskin penetration
dc.subjectAgriculture
dc.subjectEquipment Design
dc.subjectHerbicides
dc.subjectHumans
dc.subjectOccupational Exposure
dc.subjectParaquat
dc.subjectProtective Clothing
dc.subjectSafety
dc.titleEfficiency of safety measures applied to a manual knapsack sprayer for paraquat application to Maize (Zea mays L.)
dc.typeOtro


Este ítem pertenece a la siguiente institución