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

(1)AKEXN07°17′06.2′′​
E005°10′34.0′′
Created along Ilesa-Akure-Owo/Benin road, an expressway, close to the NNPC station2.0 < < 3.0Moderate

(2)AKOAN07°14′25.3′′​
E005°11′15.0′′
Oke-Aro monitoring site, a residential area with many local buildings, close to furniture workshops > 3.0Highly contaminated

(3)AKOBN07°15′12.7′′​
E005°11′43.8′′
Created at the Oja Oba, a market square with heavy traffic > 3.0Highly contaminated

(4)AKALN07°14′55.1′′​
E005°12′54.4′′
Alagbaka monitoring site, the site of many government offices2.0 < < 3.0Considerably contaminated

(5)AKORN07°49′47.2′′​
E005°09′37.9′′
Ondo road park monitoring site, a bus terminus with a cluster of petrol dispensing stations2.0 < < 3.0Considerably contaminated

(6)AKBRN07°13′47.6′′​
E005°09′37.9′′
Aponmu monitoring site, a small community and a background site for the study1.0 < < 2.0Low contaminated