The Scientific World Journal / 2018 / Article / Tab 1

Research Article

Sequential Extractions and Toxicity Potential of Trace Metals Absorbed into Airborne Particles in an Urban Atmosphere of Southwestern Nigeria

Table 1

Monitoring locations, their characteristics, and coordinates at Akure.

Site codeCoordinateDescription valuePollution index

Created along Ilesa-Akure-Owo/Benin road, an expressway, close to the NNPC station2.0 < < 3.0Moderate

Oke-Aro monitoring site, a residential area with many local buildings, close to furniture workshops > 3.0Highly contaminated

Created at the Oja Oba, a market square with heavy traffic > 3.0Highly contaminated

Alagbaka monitoring site, the site of many government offices2.0 < < 3.0Considerably contaminated

Ondo road park monitoring site, a bus terminus with a cluster of petrol dispensing stations2.0 < < 3.0Considerably contaminated

Aponmu monitoring site, a small community and a background site for the study1.0 < < 2.0Low contaminated