👉 The term "contaminant" refers to any substance or material that is harmful, toxic, or potentially harmful to human health. Contaminants can come from various sources such as industrial waste, agricultural chemicals, water pollution, and air pollution. They can also be natural substances found in the environment, such as soil and groundwater. The term encompasses a wide range of substances that are considered hazardous to human health and can have serious consequences if they accumulate in the body or reach the environment. In addition