2023年2月17日 · Pollution is defined as introducing harmful substances (solid, liquid, or gas) or any form of energy (light, heat, sound, or radioactivity) into the environment. The harmful elements that damage air, water, and land quality and cause pollution are called pollutants.

2025年1月16日 · This page provides information about creating a contaminant source inventory listing all known and potential contaminant sources or activities of concern within a source water protection area (SWPA) that may pose a threat to drinking water supplies.

2025年1月11日 · Explore the various types and sources of pollution and their subtle impacts on biological systems and cellular health. Pollution is a growing global concern, affecting ecosystems and human health. It includes various forms that infiltrate our environment, each with unique sources and consequences.

2024年10月1日 · Factories and power plants can be a source of point-source pollution, affecting both air and water. Smokestacks may spew carbon monoxide, heavy metal, sulfur dioxide, nitrogen dioxide, or “particulate matter” (small particles) into the air.

Exposure pathways start with a contamination source. Health assessors need to identify these sources, characterize the environmental media they might affect, and examine both contaminant and physical public health hazards that might exist at the site.

2024年6月12日 · 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. Although some contaminants carry little risk, others can …

2025年2月6日 · Pollution occurs when an amount of any substance or any form of is put into the environment at a rate faster than it can be dispersed or safely stored. The term can refer to both artificial and natural materials that are created, consumed, and discarded in an unsustainable manner. What kinds of pollution are there?

2. Water Pollution. Water pollution affects rivers, lakes, oceans, and groundwater. It occurs when harmful chemicals, waste, or biological contaminants degrade water quality. It’s of many types thus: Surface Water Pollution: Contamination of rivers, lakes, and oceans. Groundwater Pollution: When chemicals seep into underground aquifers.

2024年10月21日 · Most air toxics originate from human-made sources, including mobile sources (e.g., cars, trucks, buses) and stationary sources (e.g., factories, refineries, power plants), as well as indoor sources (e.g., some building materials and cleaning solvents).

2024年9月10日 · Provide information on when, where, and how exposure occurred. For example, lead in children's blood may come from exposure to airborne sources, contaminated water or food, or contaminated soil or dust. Explain possible differences among some subpopulations.