EPA Bottled Water Health Series Booklet: Tap water or Bottle water?
Bottled water basics Bottled water is the fastest growing drink choice in the United States, and Americans spend billions of dollars each year to buy it (Beverage Marketing Corporation, 2004) Some people drink bottled water as an alternative to other beverages; others drink it because they prefer its taste or think it is safer … Continue reading
Water Eutrophication and its Effect
Nutrient pollution is one of America’s most widespread, costly and challenging environmental problems, and is caused by excess nitrogen and phosphorus in the air and water. Nitrogen and phosphorus are nutrients that are natural parts of aquatic ecosystems. Nitrogen is also the most abundant element in the air we breathe. Nitrogen and phosphorus … Continue reading
Home Water Treatment Fact
Home Water Treatment Facts Americans spend billions of dollars each year on home water treatment units.According to the Water Quality Association, more than four out of 10 Americans use a home water treatment unit.These units range from simple pitchers costing less than $20 to sophisticated reverse osmosis units costing hundreds of dollars. Some people use … Continue reading
An Introduction to Indoor Air Quality
Indoor Air Pollution and Health Indoor Air Quality (IAQ) refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. Understanding and controlling common pollutants indoors can help reduce your risk of indoor health concerns. Health effects from indoor air pollutants may … Continue reading
Main pollution factor in the air: SO2,O3 and PM
What is SO2 and how does it get in the air? What is SO2? EPA’s national ambient air quality standards for SO2 are designed to protect against exposure to the entire group of sulfur oxides (SOx). SO2 is the component of greatest concern and is used as the indicator for the larger group of gaseous sulfur oxides (SOx). … Continue reading