Which contaminant category includes chemicals like herbicides and volatile organic chemicals?

The category of contaminants known as organic contaminants encompasses a wide variety of carbon-based chemicals, including herbicides and volatile organic chemicals (VOCs). These substances are characterized by their ability to volatilize into the air and their presence in numerous agricultural products and industrial applications. Organic contaminants often originate from human activities such as agriculture, manufacturing, and the use of solvents, which makes them a significant concern for water quality.

Herbicides are specifically designed to control unwanted vegetation and are widely used in agriculture and landscaping, affecting water sources if they leach or run off into aquatic environments. Volatile organic compounds are organic chemicals that can easily evaporate at room temperature, potentially leading to air and water pollution. The presence of these organic substances in water supplies raises concerns due to their potential toxicity and long-term health effects on humans and ecosystems.

In contrast, inorganic contaminants typically consist of minerals and metals, biological contaminants encompass bacteria, viruses, and other living organisms, while radiological contaminants involve radioactive materials. Each of these categories is distinct, with specific sources, characteristics, and health implications, but in this instance, the presence of herbicides and volatile organic chemicals squarely positions them within the realm of organic contaminants.