HOME >> BIOLOGY >> NEWS
Air pollution from Asia could violate new federal ozone standard

A plume of pollution that crossed the Pacific Ocean from Asia earlier this year contained ozone at levels high enough to violate a new federal ozone standard.

"This is air that has health implications," said Daniel Jaffe, an atmospheric scientist at the University of Washington, Bothell, whose team of researchers discovered evidence of the high pollution content in data collected during a research flight off the Washington coast on April 9. He will present his findings Monday (Dec. 13) at the American Geophysical Union's fall meeting in San Francisco.

Equipment aboard the plane detected an ozone level of 85 parts per billion at about 20,000 feet. That would exceed a new U.S. Environmental Protection Agency standard of 80 parts per billion (or 0.08 parts per million). That standard, which was formulated in 1997 but is under legal challenge and has not yet taken effect, includes time limits for how long ozone levels can remain at or above 80 parts per billion. It would replace the current standard that allows concentrations of 120 parts per billion.

Eventually, air at 20,000 feet is likely to mix into the lower atmosphere, but it is uncertain where it might come to ground level and create a health risk, Jaffe said.

The research flight also found an ozone level of 72 parts per billion at about 10,000 feet, an altitude lower than the tops of many peaks in the Cascade Range. At that concentration, ozone is known to damage vegetation, he said.

A meteorological analysis of the plume shows it came from East Asia, though the exact source is unknown, he said. At the same time, elevated levels of other pollutants, including hydrocarbons, carbon monoxide and a key smog ingredient called PAN (peroxyacetylnitrate), proved that the ozone-rich air mass had not come from the upper atmosphere because those pollutants do not exist at high concentrations in the upper atmosphere.

At the AGU meeting in 1997, Jaffe presented computer modeling indicating
'"/>

Contact: Vince Stricherz
vinces@u.washington.edu
206-543-2580
University of Washington
6-Dec-1999


Page: 1 2

Related biology news :

1. New research shows air pollution can reduce childrens lung function
2. Research suggests unborn children may be at risk from environmental pollution
3. What actually influences air pollution over the Indian Ocean?
4. New England forests at greater risk from air pollution
5. Plant gene discovery could enhance plant growth, reduce fertilizer needs and phosphate pollution
6. New York City study shows newborns more susceptible to pollution than their mothers
7. Gene at root of urban air pollutions lung effects
8. Springer - A solution to water pollution?
9. Household activities release a cloud of dust, increasing exposure to particulate pollution
10. Dirty air from Asia can push U.S. air pollution to unhealthy levels
11. Local, regional governments could take lead in curbing global air pollution

Post Your Comments:
*Name:
*Comment:
*Email:
TAG: Air pollution from Asia could violate new federal ozone standard

(Date:5/24/2013)... In recent years, microRNAs (miRNAs) and other non-coding ... expression of specific proteins. In recent years they ... been used to establish tissue origin for cancers ... responses and screen for disease, but clinically tractable, ... samples are not currently available. In this issue ...
(Date:5/23/2013)... , Automated conserved noncoding sequence (CNS) discovery reveals ... , Within the genome of each species, there ... change in position and sequence over millions of years, ... these evolutionarily stable sequences, so-called conserved noncoding sequences (CNSs), ... or the condensation of chromosomes, but the function of ...
(Date:5/23/2013)... School of Public Health at Emory University, along ... have received a $4 million grant over four ... University (Health and Exposome Research Center: Understanding Lifetime ... grant awarded in the United States. , ... Institute of Environmental Health Sciences (NIEHS) of the ...
Breaking Biology News(10 mins):Frontiers news briefs: May 23 2Frontiers news briefs: May 23 3Emory, Georgia Tech receive first human exposome center grant in US 2Emory, Georgia Tech receive first human exposome center grant in US 3
(Date:5/23/2013)... May 24, 2013 Die Übersetzungen ... Bei der englischen Version handelt ... 91 % der Teilnehmer einer groß angelegten Asthmaumfrage halten ... laut GINA [*] -Definition [1] als kontrolliert gelten ... Asthma generell einer von vier Denkweisen zugeordnet werden können, ...
(Date:5/23/2013)... (PRWEB) May 23, 2013 Can economic ... from work motivate members of the public to increase ... including Johns Hopkins Carey Business School Assistant ... yes. Pointing to a large body of recent research ... the May 24, 2013, issue of Science that the ...
(Date:5/23/2013)... Ind. , May 23, 2013  Rahal Letterman ... in human cord blood stem cell banking and therapeutics, ... of the No. 16 Acorn Stairlifts Indy car driven ... for the remainder of the IZOD IndyCar 2013 season. ... (RLL) will work to support awareness of umbilical cord ...
(Date:5/23/2013)... LAGUNA HILLS, Calif. , May 23, 2013 /PRNewswire-USNewswire/ ... CA recently became the first hospital on ... site robotic technology. This new surgical option provides women ... Marc Winter , ... gynecologist and surgeon and medical director of minimally ...
Breaking Biology Technology:Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 2Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 3Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 4Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 5Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 6Neue Forschungsergebnisse zeigen Verbindung zwischen suboptimaler Asthmaversorgung und Patienteneinstellungen in Europa auf 7Offering Economic Incentives to Attract Blood Donations Should Be Encouraged, Research Team writes in Science 2Offering Economic Incentives to Attract Blood Donations Should Be Encouraged, Research Team writes in Science 3StemCyte, Inc. Joins Rahal Letterman Lanigan Racing As Associate Sponsor Of No. 16 IndyCar Program For James Jakes Beginning With The 97th Indianapolis 500 2StemCyte, Inc. Joins Rahal Letterman Lanigan Racing As Associate Sponsor Of No. 16 IndyCar Program For James Jakes Beginning With The 97th Indianapolis 500 3Saddleback Memorial Surgeon First on the West Coast to Perform Single-Site Robotic Hysterectomy 2Saddleback Memorial Surgeon First on the West Coast to Perform Single-Site Robotic Hysterectomy 3
Cached News: