2010
DOI: 10.1590/s0100-40422010000100002 View full text |Buy / Rent full text
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Abstract: The objective of this study was to assess a new monitoring technique of particulate and trace metals in the atmosphere via the use of a passive sampler of air pollutants in the city of Goiânia. The average particulate weight and average concentrations of metals Fe, Cr, Zn, Pb, Cu, Mn, and Cd were 0.1104 g and 257.5; 23.4; 17.8; 6.7; 1.9; 0.8; 0.2 µg/m 2 /day, respectively. Higher Pb and Cr concentrations were obtained in areas with intense traffic. This study revealed that it is possible to monitor trace metal… Show more

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“…Table 3 provides a comparison of lead deposition fluxes measured in different locations, including industrial, urban, maritime, and rural regions. The value of lead obtained in the city of Goiânia (Brazil) [19] corresponds to 90.5% inferior to the overall average for Presidente Prudente. In the study of Alphen (1999), high levels of lead in Australia (Port Pirie) were attributed to the presence of one of the largest lead foundries in the south of the country.…”
Section: Resultsmentioning
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“…Table 3 provides a comparison of lead deposition fluxes measured in different locations, including industrial, urban, maritime, and rural regions. The value of lead obtained in the city of Goiânia (Brazil) [19] corresponds to 90.5% inferior to the overall average for Presidente Prudente. In the study of Alphen (1999), high levels of lead in Australia (Port Pirie) were attributed to the presence of one of the largest lead foundries in the south of the country.…”
Section: Resultsmentioning
“…This difference can be explained by the fact that in Presidente Prudente, the sampler was installed directly above one of the region's existing geological faults, while in Goiania the samples were collected at a greater distance from the fault, resulting in dilution during atmospheric transport. [19]…”
Section: Multivariate Analysismentioning
“…The study site was the city of Goiânia ( Five locations were chosen for the collection of rainwater, based on the works carried out by Muro and Antoniosi Filho [24] and by Brait and Antoniosi Filho [25]. Locations were chosen based on the highest concentration of atmospheric pollutants in the city.…”
Section: Methodsmentioning
“…Os sensores passivos, SISCO, foram apostos em postes de eletricidade destinados à iluminação pública, em uma altura de 4,5m, aproximadamente, para evitar o manuseio por pedestres curiosos, expostos durante a época de estiagem regional, durante 15 dias. Brait (2010) avaliou elementos-traço em vários locais da região urbana de Goiânia, através do uso do sistema passivo denominado SISCO. Tal monitoramento demonstrou a presença de particulados totais e de elementos-traço como Cd, Cr, Pb, Cu, Fe, Mn, Zn, todos deletérios à saúde humana e constituintes da poluição atmosférica, decorrentes da ação antrópica.…”
Section: Introductionunclassified
“…Assim, Brait (2010) ratificou que o baixo custo e a grande facilidade de manuseio com este tipo de monitoramento passivo do controle do meio ambiente-ar, propicia o monitoramento dos níveis de poluição atmosférica, por metais traço, com maior eficácia e menor custo do que aquele realizado por biomonitoramento com pelos e penas de animais, pois eliminam-se as restrições advindas das dificuldades de coleta dos pelos e penas dos animais, bem como a variável de sua localização, pois os pontos fixos em locais pré-determinados dos centros urbanos, propiciam o monitoramento preciso da poluição do ar, nos locais onde se almeja efetuar o controle.…”
Section: Introductionunclassified