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ICP-MS ANALYSIS OF HEAVY METALS IN GWINNETT COUNTY WATER**

Abstract

Heavy metals, or toxic metals, are not solely defined by their density but by the harmful effects they may have on the environment or the human body. While a low concentration of heavy metals is expected in most water sources due to their natural occurrence and difficulty to remove, high levels are unnatural and can severely damage ecosystems, contaminating water and disrupting natural processes for aquatic life. Additionally, heavy metals can similarly impact human health if people consume water, fish, or vegetation from contaminated sources, leading to bioaccumulation and interference with vital bodily functions. Some concentrations of heavy metals originate organically from the Earth, but additional pollutants may result from improper waste disposal by metal or coal companies, such as Georgia Power, or from human activities like boating. This study aims to analyze heavy metal levels in eight water sources across Gwinnett County via inductively coupled plasma mass spectrometry (ICP-MS). ICP-MS can detect and analyze trace amounts of heavy metals (including As, Cd, Hg, Pb, etc.) at parts per trillion levels. Sample collection will be conducted twice in winter and spring of 2026 to regularly monitor water source concentrations. This research will provide valuable insights into the health of Gwinnett waterways and, if needed, prompt protective actions to preserve local water sources and communities.

Acknowledgements

Dept. of Chemistry, Georgia Gwinnett College

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