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July 24, 2009 By Jim Rosenthal

Ozone Levels Linked to Higher Asthma Risk

The body of evidence keeps growing that higher ozone levels lead to higher asthma risk.  In this recent study it was found that the prevalence of asthmatic symptoms was about 4% higher at high ozone sites as compared to low ozone sites.  In order to neutralize the effects of the other components of air pollution … More

Filed Under: Articles, Asthma, Environmental Causes for Asthma, Respiratory Health

July 17, 2009 By Jim Rosenthal

Is There a Connection Between Increased Use of Central Air Conditioning and Asthma?

A recent article claims that the increased use of central air conditioning systems in homes over the past 30 years has lead to an increase in asthma.  But is this really the case or is it that both factors have increased and the association between the two is just coincidental?    There is good reason … More

Filed Under: Articles, Asthma, Environmental Causes for Asthma, Indoor Air Quality, Respiratory Health

June 29, 2009 By Jim Rosenthal

Asthma Symptoms Increase With Higher Indoor Particle Levels

This recent study provides some insight into the relationship of indoor air quality and respiratory health.    It is clear that higher indoor air pollution leads to an increase in the severity of asthma symptoms.  But do we really know any more about what leads to the problems and what to do about it?

Filed Under: Air Filtration, Articles, Asthma, Indoor Air Quality, Respiratory Health

June 25, 2009 By Jim Rosenthal

You’ve Got Mold! Now, What Can You Do About It?

You’ve got mold! Well, guess what? So does everybody else. Mold is ubiquitous.  It is in every breath that we breathe.  It is the one thing that is in the “pollen count” for most areas of the world every day.  While some types of mold are allergenic for some people and mold has been linked … More

Filed Under: Air Filtration, Allergies, Articles, Asthma, Mold (mould)

June 23, 2009 By Jim Rosenthal

Proper Air Filtration for Healthcare Facilities

There are few places where indoor air quality (IAQ) is of greater concern than hospitals and other healthcare facilities.  Proper air filtration including filter selection, installation and maintenance plays an important role in this area.  This article will focus on the requirements for central ventilation filter selection in healthcare facilities, show how proper installation is … More

Filed Under: Air Filtration, Articles, Indoor Air Quality

June 23, 2009 By Jim Rosenthal

Study Shows Children At Risk From Pesticides Longer than Expected

Even though there has been considerable action on the reduction of home use of pesticides, this study from UC Berkeley shows that children may be at a greater risk for a longer time than originally believed.

Filed Under: Articles, Asthma, Environmental Causes for Asthma

March 1, 2009 By Jim Rosenthal

Do Some Air Filter Materials React With Ozone to Create Building Related Symptoms?

Does a Recent Analysis of BASE Data Really Show a Connection Between Synthetic Air Filters and Building Related Symptoms?

Filed Under: Air Filtration, Articles, Indoor Air Quality

January 24, 2009 By Jim Rosenthal

Air Filter Testing: MERV is not a game show host or an ancient city in Central Asia

Air filter testing is a complicated and sometimes confusing subject.  This article provides the definition of MERV or the Minimum Efficiency Reporting Value for air filters.  It also provides information on how the MERV should be used to select air filters and the limitations of this testing system.  Understanding MERV helps the air filter buyer … More

Filed Under: Air Filtration, Articles

December 27, 2008 By Jim Rosenthal

Do Some Air Filter Materials React With Ozone to Create Building Related Symptoms (BRS)?

By Jim Rosenthal, Published in Spring Issue of Air Media Does a Recent Analysis of BASE Data Really Show a Connection Between Synthetic Air Filters and (BRS) or Sick Building Syndrome? A number of recent studies have shown that the products of ozone reactions can impact human health and perceived indoor air quality. An analysis … More

Filed Under: Articles, Ozone Reactions in Indoor Air

December 19, 2008 By Jim Rosenthal

Study on Photocatalytic Oxidation (PCO) Raises Questions About Formaldehyde as a Byproduct in Indoor Air

Research at Lawrence Berkeley National Laboratory finds that Photocatalytic Oxidation (PCO) reduces indoor VOC’s but could produce formaldehyde as a byproduct. A very promising new technology for the reduction of Volatile Organic Compounds (VOC’s) in indoor environments is Photocatalytic Oxidation (PCO). This process exposes ultraviolet light to a catalyst such as titanium dioxide to produce … More

Filed Under: Articles

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Articles by Category

  • Company News (4)
  • Air Cleaners (4)
  • Air Filtration (23)
  • Allergies (3)
  • Asthma (9)
  • Environmental Causes for Asthma (4)
  • Indoor Air Quality (18)
  • Mold (mould) (4)
  • Ozone Reactions in Indoor Air (6)
  • Respiratory Health (8)

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