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, workplace, etc. …

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 air, water, soil, …

Jun 17, 2025 · Some contaminants may be harmful if consumed at certain levels in drinking water. The presence of contaminants does not necessarily indicate that the water poses a health risk. Read …

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

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 water, land, or …

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

May 10, 2024 · Different contaminants can cause a variety of health problems. Common health problems from environmental contaminants include breathing problems (such as asthma), heart …

Jan 17, 2025 · Environmental contaminants can be present in foods because they are in the soil, water, or air where foods are grown, raised, or processed.

Mar 19, 2024 · Contaminants and pollutants are substances in the environment above background levels, but only pollutants produce harm. The threshold between a contaminant and a pollutant varies …

Jun 3, 2024 · Contaminants in our environment can have severe effects on human health and ecosystems. Every year, millions suffer from exposure to various pollutants found in the air, water, …