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  1. Contamination - Wikipedia

    Contamination is the presence of a constituent, impurity, or some other undesirable element that renders something unsuitable, unfit or harmful for the physical body, natural environment, …

  2. Contaminants | U.S. Geological Survey - USGS.gov

    Nov 16, 2022 · USGS scientists are helping to understand potential environmental and health hazards posed by chemical and biological contaminants. We study the connections between …

  3. Types of Drinking Water Contaminants - US EPA

    Jul 29, 2025 · Some drinking water contaminants may be harmful if consumed at certain levels in drinking water while others may be harmless. The presence of contaminants does not …

  4. CONTAMINANT Definition & Meaning - Merriam-Webster

    The meaning of CONTAMINANT is something that contaminates. How to use contaminant in a sentence.

  5. Contaminants in the Environment - NOAA's National Ocean Service

    At NOS, scientists, economists, and other experts are busy monitoring, assessing, and working to clean up contaminants in the environment. A wide range of chemicals can contaminate our …

  6. CONTAMINANT | English meaning - Cambridge Dictionary

    CONTAMINANT definition: 1. a substance that makes something less pure or makes it poisonous: 2. a substance that makes…. Learn more.

  7. 15 Common Water Contaminants & Their Potential Risks

    Jun 12, 2024 · Water contamination is very common in the US for many reasons. Some of the most frequently found contaminants in US drinking water include lead, arsenic, and pesticides. …

  8. Types of Contaminants

    May 25, 2025 · What are Contaminants? Any solutes (contaminants) introduced into the groundwater environment. Contamination is the presence of a constituent, impurity, or some …

  9. Environmental pollutants and their effects on human health

    Numerous environmental contaminants significantly contribute to human disease, affecting climate change and public and individual health, resulting in increased mortality and morbidity.

  10. What are Contaminants? | Contaminants - pollutiontoxicology.com

    Contaminants are substances that make something impure or unclean by entering into an environment where they don't naturally belong. In the context of pollution, contaminants are …