Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/1073
Título: Indoor school environment: easy and low cost to assess inorganic pollutants
Autor: Canha, Nuno
Freitas, Maria do Carmo
Almeida, Susana Marta
Almeida-Silva, Marina
Ribeiro, Marcos
Galinha, C.
Wolterbeek, H. Th.
Palavras-chave: Saúde ambiental
Poluição do ar
Meio escolar
Qualidade do ar interior
Environmental health
Air pollution
Indoor air quality
Total particulate matter
Chemical elements
Data: Ago-2010
Editora: Springer
Citação: Canha N, Freitas MC, Almeida SM, Almeida-Silva M, Ribeiro M, Galinha C, Wolterbeek HTh. Indoor school environment: easy and low cost to assess inorganic pollutants. J Radioanal Nuclear Chem. 2010;286(2):495-500.
Resumo: Total particulate matter (TPM) was passively collected inside two classrooms of each of five elementary schools in Lisbon, Portugal. TPM was collected in polycarbonate filters with a 47 mm diameter, placed inside of uncovered plastic petri dishes. The sampling period was from 19 May to 22 June 2009 (35 days exposure) and the collected TPM masses varied between 0.2 mg and 0.8 mg. The major elements were Ca, Fe, Na, K, and Zn at μg level, while others were at ng level. Pearson′s correlation coefficients above 0.75 (a high degree of correlation) were found between several elements. Soil-related, traffic soil re-suspension and anthropogenic emission sources could be identified. Blackboard chalk was also identified through Ca large presence. Some of the determined chemical elements are potential carcinogenic. Quality control of the results showed good agreement as confirmed by the application of u-score test.
Peer review: yes
URI: http://hdl.handle.net/10400.21/1073
ISSN: 0236-5731
Versão do Editor: http://www.springerlink.com/content/f63421308472755j/
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