Ozone Generators That Are Sold As Air Cleaners: An ...
Second, for many of the chemicals with which ozone does readily react, the reaction can form a variety of harmful or irritating by-products (Weschler et al., 1992a, 1992b, 1996; Zhang and Lioy, 1994). For example, in a laboratory experiment that ... [... more]
Environmental Protection Agency |
Ozone: Good Up High, Bad Nearby
MIDDLE: Antarctic Ozone Thinning-shown in blue and purple, extended out over 16 million square miles or about the same size as North America (2001 NASA satellite image). TOP: The "good" ozone layer in the stratosphere protects life on Earth ... [... more]
Environmental Protection Agency |
Process Of Ozone Depletion
Ozone is constantly produced and destroyed in a natural cycle, as shown in the above picture, courtesy of NASA GSFC. However, the overall amount of ozone is essentially stable. This balance can be thought of as a stream's depth at a particular ... [... more]
Environmental Protection Agency |
Brief Questions And Answers On Ozone Depletion
The ozone layer is a concentration of ozone molecules in the stratosphere. About 90% of the planet's ozone is in the ozone layer. The layer of the Earth's atmosphere that surrounds us is called the troposphere. The stratosphere, the next higher ... [... more]
Environmental Protection Agency |
On The Trail Of The Missing Ozone: The Causes, Effects, ...
Produced by EPA's Region 9 Office in San Francisco, California, this book provides an introduction into why we need the ozone layer, the causes of ozone depletion, and some of the actions the world is taking to correct the problem. We hope you ... [... more]
Environmental Protection Agency |
Effects Of Ozone Pollution
Ozone pollution is really an increase in the concentration of ozone in the air at ground level. Because sunlight has a critical role in its formation, ozone pollution is principally a daytime problem in the summer months. Ground-level ozone is ... [... more]
yourlunghealth.org |
Ozone Air Purifiers: Can They Improve Asthma Symptoms?
Ozone generators sold as air purifiers intentionally produce ozone, which is a toxic gas. Ozone is a molecule made of three atoms of oxygen. Two of these atoms form the basic oxygen molecule. The third atom can detach from the ozone molecule and ... [... more]
Mayo Clinic |
Report Confirms Ozone Pollution Can Kill
A committee appointed by the council found that deaths related to ozone exposure are more likely among people with pre-existing diseases and other factors that could increase their susceptibility. But they said premature deaths are not limited to ... [... more]
National Library of Medicine |
Ozone - Current Air Quality Index
Sensitive Groups for ozone are active children and adults and people with respiratory disease, such as asthma. of Clean Air Agencies Environment Canada [... more]
airnow.gov |
Ozone And Your Health
View brochure in PDF format: Color (186 KB) or Black and White.(153 KB) How can ground-level ozone affect your health? How can you avoid unhealthy exposure to ozone? of Clean Air Agencies Environment Canada Are you at risk from ground-level ozone? [... more]
airnow.gov |
National Institutes Of Health
Home Health A to Z Health Topics Clinical Trials MedlinePlus Health Hotlines Grants Grants & Funding Funding Opportunities (NIH Guide) Forms and Deadlines Electronic Research Admin (eRA) Grants Policy OER News About OER Research Contracts Loan ... [... more]
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U.S. National Library Of Medicine
NCBI Director Dr. David J. Lipman Named Member of American Academy of Arts and Sciences 2008 Class of Fellows (04/29/08) NLM co-sponsoring Public Laboratory LOINC Workshop, Tutorial and Committee Meeting June 9-10, 2008 (05/01/08) NLM Aids ... [... more]
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