 | Howard McDaniel is president and owner of Even-Temp of Wichita, Inc... Howard started Even-Temp of Wichita, Inc. in 1991. Even-Temp is a fully-licensed and bonded residential and commercial mechanical contractor in Wichita and the surrounding areas. Howard has been a member of the Kansas Cooling Contractors Association (aka K.C.C.A.) since 2001. He is also a member of the B.B.B. and Chamber of Commerce. Howard’s education includes graduate of Pittsburg vocational technical college and 5 years of schooling through the Local 171 Plumbing apprenticeship school. Howard built Even-Temp to what it is today. He started his business working many hours, night and day, by himself to a successful business with over 20 employees. Howard is an honest, fair and considerate business man, which is proven by the number of customers he has and by the number of them that have been with him for over 10 years. Howard can be contacted at his office at (316) 262-2277, fax at (316) 262-5366, or you can e-mail him at Howard@eventemp.com. |
Home Improvement
2007-10-01 11:09:00
Is ozone used in unoccupied spaces?
: What Other Methods Can Be Used to Control Indoor Air Pollution?
Answer: The three most common approaches to reducing indoor air pollution, in order of effectiveness, are:
Source Control: Eliminate or control the sources of pollution;
Ventilation: Dilute and exhaust pollutants through outdoor air ventilation
Air Cleaning: Remove pollutants through proven air cleaning methods.
Of the three, the first approach -- source control -- is the most effective. This involves minimizing the use of products and materials that cause indoor pollution, employing good hygiene practices to minimize biological contaminants (including the control of humidity and moisture, and occasional cleaning and disinfection of wet or moist surfaces),
Answer: Ozone has been extensively used for water purification, but ozone chemistry in water is not the same as ozone chemistry in air. High concentrations of ozone in air, when people are not present, are sometimes used to help decontaminate an unoccupied space from certain chemical or biological contaminants or odors (e.g., fire restoration). However, little is known about the chemical by-products left behind by these processes (Dunston and Spivak, 1997). While high concentrations of ozone in air may sometimes be appropriate in these circumstances, conditions should be sufficiently controlled to insure that no person or pet becomes exposed. Ozone can adversely affect indoor plants, and damage materials such as rubber, electrical wire coatings, and fabrics and art work containing susceptible dyes and pigments (U.S. EPA, 1996a).
Question: What Other Methods Can Be Used to Control Indoor Air Pollution?
Answer: The three most common approaches to reducing indoor air pollution, in order of effectiveness, are:
Source Control: Eliminate or control the sources of pollution;
Ventilation: Dilute and exhaust pollutants through outdoor air ventilation
Air Cleaning: Remove pollutants through proven air cleaning methods.
Of the three, the first approach -- source control -- is the most effective. This involves minimizing the use of products and materials that cause indoor pollution, employing good hygiene practices to minimize biological contaminants (including the control of humidity and moisture, and occasional cleaning and disinfection of wet or moist surfaces), and using good housekeeping practices to control particles.
The second approach -- outdoor air ventilation -- is also effective and commonly employed. Ventilation methods include installing an exhaust fan close to the source of contaminants, increasing outdoor air flows in mechanical ventilation systems, and opening windows, especially when pollutant sources are in use.
The third approach -- air cleaning -- is not generally regarded as sufficient in itself, but is sometimes used to supplement source control and ventilation. Air filters, electronic particle air cleaners and ionizers are often used to remove airborne particles, and gas absorbing material is sometimes used to remove gaseous contaminants when source control and ventilation are inadequate.
