formaldehyde ozone from ionizers and ozone generators

Formaldehyde Increases through Exposure to Ozone from Ionizers and Ozone Generators

The above is the title of an article that I came across while searching for MERV related information – the article was written by Jim Rosenthal.

Very interesting I believe and very informative, particularly to those in the air filtration business.

Quoting briefly (as you can read the rest of the article from the publishing website – link: the rest of the meat and potatoes you can find and read on the URL / link above.

Formaldehyde (HCHO) is a common substance in both indoor and outdoor environments. It is used in a wide range of products including wall board, glues, some carpets, fragrance products and insulation. It is also found in cigarette and cigar smoke and is a byproduct of hydrocarbon combustion. The National Toxicology Program (NTP) carcinogenic classification is that it is: “reasonably anticipated to be a human carcinogen.” Other health effects include eye, nose and skin irritation; exacerbation of asthma symptoms (characterized by coughing, difficulty breathing, bronchial spasm and pulmonary edema); lung damage; membranous nephropathy and liver toxicity. (Source: U.S. Department of Labor —

Formaldehyde exposure limits have been set by various governmental bodies. The National Institute for Occupational Safety and Health (NIOSH) has set a ceiling of 100 ppb for a 15 minute exposure.

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