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The levels of 21 polycyclic aromatic hydrocarbons (PAHs) with molecular weights between 128Da (naphthalene) and 300Da (coronene) were determined in Terminalia catappa L. (Combretaceae) bark. Tree bark samples were collected in the campus of Oswaldo Cruz Foundation, a green area located in a very intensive traffic area of Rio de Janeiro City, Brazil and about 10km away from the city center. Samples...
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