Heavy Metal Concentration in Ambient Air University Campus Located near the Industrial Area

Abstract:

This study aims to measure the concentration of heavy metals of concern Lead (Pb), Copper (Cu), Chromium (Cr), Cadmium (Cd) and Nickel (Ni) at three university campus buildings which was situated adjacent to an industrial district. Heavy metals particulates were sampled from the PM₁₀ sampling device (Met One Instrument) in 24 hours sampling between lecture and holiday periods. Determination of heavy metals concentrations were conducted using Inductively Coupled Plasma – Mass Spectrometry (ICP-MS) after the filter papers were digested with mixture of nitric acid (HNO₃) and sulphuric acid (H₂SO₄). These heavy metal concentrations were compared to the Standard Concentration on Air such as World Health Organization Health (WHO), Ambient Air Quality Criteria Act 1994 (AAQC), National Environment Protection Council (NEPS) and also Texas Commission on Environmental Quality (TCEQ). The comparison with Standard Concentration of Air shows that Cd and Cu have low concentrations 0.0033±0.0018 μg/m³ and 0.0894±0.0614 μg/m³ while Cr and Ni have high concentrations of 0.1882±0.0535 μg/m³ and 0.1278±0.0323 μg/m³ respectively. The Pb gives irregular result and high standard deviation of 2.0410±3.4999 μg/m³. This finding produces significant contribution to some knowledge of the level of heavy metals in the study area. It identifies research needs and suggests potential approaches to addressing outstanding problems.

• Periodical: Applied Mechanics and Materials (Volumes 773-774)
• Pages: 1189-1193
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.773-774.1189
• Online since: July 2015
• Authors: Radin Maya Saphira bte Radin Mohamed*, Noor Maisara bte Jais, Farah Hanim bt. Che Aziz, Amir Hashim bin Mohd. Kassim, Norzila Othman
• Keywords: Air Quality, Heavy Metal, ICP-MS, Industry, UTHM

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