Institute of Chemistry, Federal University of Rio de Janeiro, CT, Building A, Room 408, Cidade Universitária, Rio de Janeiro, RJ, 21949-900, Brazil.
Bull Environ Contam Toxicol. 2010 Mar;84(3):315-8. doi: 10.1007/s00128-009-9931-1. Epub 2009 Dec 30.
The levels of total suspended particles and airborne particulate trace metals were determined in three locations. Two of these locations are in the metropolitan area of Rio de Janeiro, where the main source of pollution is vehicular traffic. The remaining location is in a suburban area characterized by industrial and vehicular emissions, as well as natural input. Enrichment factors found in the downtown area for Zn, Cu, Pb and Cd were in the interval 21-3237, indicating an important contribution of anthropogenic sources. In the suburban area, Zn levels were unusually high (596.8-5475.4 ng m(-3)) and may be attributed to the proximity of a company that produces lubricants and lubricant additives.
对三个地点的总悬浮颗粒物和空气颗粒痕量金属水平进行了测定。其中两个地点在里约热内卢大都市区，主要污染源是交通车辆。另一个地点在一个以工业和交通排放以及自然输入为特征的郊区。市区 Zn、Cu、Pb 和 Cd 的富集因子在 21-3237 之间，表明人为来源的重要贡献。在郊区，Zn 水平异常高（596.8-5475.4ng/m³），可能与生产润滑油和润滑油添加剂的公司毗邻有关。
