![]() ![]() It is used in various industries, including in the steel industry, in the manufacture of various products (e.g., fireworks, dry-cell batteries, fertilizers, fungicides and cosmetics and paints). Manganese may be present in water in the environment from natural sources (rock and soil weathering) or as a result of human activities (such as mining, industrial discharges and landfill leaching). It is not found in the elemental form in the environment but can exist in several oxidation states. Manganese occurs naturally in the environment and is widely distributed in air, water and soil. The aesthetic objective (AO) for total manganese in drinking water is 0.02 mg/L (20 µg/L). The maximum acceptable concentration (MAC) for total manganese in drinking water is 0.12 mg/L (120 µg/L). 10.3.1.2 Sister chromatid exchange and chromosomal aberrations.10.3.1.1 Mutagenicity and cell transformation. ![]() 10.2.4.8 Neuroendocrine and endocrine effects.10.2.3.2 Altered development of the reproductive system.10.2.2.2 Adult female reproductive system. ![]()
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