Smoke Damage >> How To Clean Smoke And Soot After A Fire

Ozone is a harmful air pollutant that is the main ingredient of ground-level smog. Breathing ozone can be harmful, especially for children, the elderly, and people with asthma, emphysema,bronchitis, or other respiratory diseases. Ozone irritates the eyes, nose, and throat, and How To Clean Smoke And Soot After A Fire may trigger asthma attacks in those with asthma. 

Long-term exposure to ozone may How To Clean Smoke And Soot After A Fire permanently reduce a person’s breathing ability. Research studies show that use of an ozone generator can produce harmful levels of ozone in a home – over three times the State outdoor air quality standard of 0 parts per billion.Ozone at safe levels does not clean the air. 

Independent studies by the U.S. Environmental Protection Agency, the Consumers Union, and others have shown that these devices do not effectively destroy microbes, How To Clean Smoke And Soot After A Fire remove odor sources, or reduce indoor pollutants enough to provide any health benefits. Ozone masks the odor of other indoor pollutants by deadening the sense of smell. 

It also reacts with certain indoor pollutants to produce toxic byproducts, How To Clean Smoke And Soot After A Fire such as formaldehyde. Ozone is used effectively in water to destroy microbes, but ozone in air must reach extremely hazardous levels (50-100 times the outdoor air quality standards) to effectively killmicrobes. 

In 2000, the Federal Trade Commission (FTC) successfully sued a major manufacturer of ozone generators for making unsupported health claims for health benefits and How To Clean Smoke And Soot After A Fire air cleaning effectiveness.The manufacturer had claimed that their ozone generators could remove various indoor air pollutants and prevent or relieve allergies, asthma and other health conditions. 

A partial list of ozone generator brands and How To Clean Smoke And Soot After A Fire models was included in a January 2005 presentation to the Air Resources Board (2005b), and is available athttp://www.arb.ca.gov/research/health/healthup/healthup.htm. Health Canada has also listed some ozone generator models that should not be used in homes or on the person (see References below).

DUCTLESS RANGE HOODS. Air filters in kitchen range hoods that exhaust air into the house(ductless hoods) trap much of the grease from cooking. However, How To Clean Smoke And Soot After A Fire they do not effectively remove the air pollutants and moisture produced by cooking or by cooking appliances that burn natural or propane gas. 

Only ducted hoods that exhaust to the outdoors should be used. For additional information on range hoods and dust control, How To Clean Smoke And Soot After A Fire see ARB’s Indoor Air Quality Guideline No. 2,Combustion Pollutants in Your Home (see References below). DESKTOP AIR CLEANERS. Small, desktop air cleaners have been shown to have very little effect on indoor pollutants.

HOUSEPLANTS. Houseplants do not effectively remove indoor air pollutants. One researcher has reported that certain houseplants can remove significant amounts of indoor air pollutants. However, How To Clean Smoke And Soot After A Fire subsequent reviews and a study in office buildings and portable office buildings indicated that houseplants have very little, if any, effect on indoor pollutant levels. 

Small effects might occur, but only with an unreasonably large number of houseplants present, How To Clean Smoke And Soot After A Fire which could easily cause other indoor pollution problems such as excess moisture.How Can I Shield My Home Interior From Outdoor Air Pollution? Outdoor pollution from such sources as fires, wind-blown dust, pollen, motor vehicles, and industrial and commercial activities can contribute to indoor air pollution. 

Reducing the penetration of unfiltered air while minimizing indoor pollution sources can help shield your home interior during outdoor pollution episodes: Closing doors and windows and How To Clean Smoke And Soot After A Fire sealing up air leaks in a home’s exterior shell and its central air ductwork can help reduce the rate of outdoor pollution entering your home.

Care should be taken to minimize all sources of indoor air pollutants, including pollutants entering from attached garages. Using an air cleaner may also help remove some of the pollutants, How To Clean Smoke And Soot After A Fire but is not likely to control strong odors. For short-term episodes of outdoor pollution, turning off mechanical ventilation equipment such as forced air systems and exhaust fans will reduce the penetration of outdoor pollutants into the home. 

Interior fans can be used for temporary cooling. For long-term or recurrent episodes of outdoor air pollution, How To Clean Smoke And Soot After A Fire permanent installation of a mechanical ventilation system that provides filtered outdoor air should be considered (see discussion above on Central Air Cleaners).Where Can I Obtain More Information ? 

The references listed below provide extensive, How To Clean Smoke And Soot After A Fire useful information on residential air cleaning devices. If you have questions or would like to receive a copy of ARB’s Indoor Air Quality Guidelines and Supplements, please contact us at:Indoor Air Quality and Personal Exposure Assessment Program Research Division Estimating the Size of Air Cleaner Needed 

Most manufacturers list the square footage rating for the floor area that would be effectively treated by their air cleaner, based on the CADR testing for removal of tobacco smoke, street dust, and How To Clean Smoke And Soot After A Fire common indoor allergens. If that rating is not available for an air cleaner, you can calculate what size of an air cleaner is appropriate for a given space in your home.

To calculate the size of the air cleaner you need, use the following formula and manufacturer specifications, How To Clean Smoke And Soot After A Fire as shown in the examples below. These examples assume a 50% efficient air cleaner and Air Exchange Rates (AER, the amount of indoor air replaced by outdoor air each hour).The AERs used below are typical values used only as examples.

The appropriate AER will depend on the size and duration of the indoor pollutant sources, the amount of building ventilation with outdoor air, and How To Clean Smoke And Soot After A Fire the speed of pollutant removal that is desired. An AER of about 3 air changes per hour would be appropriate for quickly removing pollutants from an area with a large source of indoor air pollution, such as cooking activity. 

An AER of 0.5 air changes per hour is generally adequate to remove moisture and How To Clean Smoke And Soot After A Fire odors from a home that does not have a large source of indoor air pollution.** This factor can vary from less than 0.1 to over 0., depending of the air cleaner.

Wet Crawl Space Dehumidification Vs Ventilation

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