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Molecular formula: CH2O

Characteristics: The gas is colourless and very pungent.

Occurrence: Formaldehyde is introduced into the environment through the industrial production, manipulation, and elimination of adhesive and synthetic resin. It derives from the incomplete combustion of fossil fuels or waste. Sources of formaldehyde in the home include some manufactured wood furniture, carpets, and toys, where it is used as an adhesive. The chemical and textile industries are the largest emitters.

Impact: Formaldehyde is capable of causing atopic dermatitis and other allergic reactions. Exposure to low levels produces irritation of the upper respiratory tract’s mucous membrane and conjunctiva, coughing, and burning eyes. Excessive tearing, swelling, and pneumonia develop at exposure to high concentrations. Formaldehyde is a carcinogenic and mutagenic substance.

Limit: The WHO recommends not exceeding a long-term concentration of 60 mg/m3.

About us

The "Clean Air for Ukraine" program has been implemented since 2017 by the non-governmental organization Arnika (Czech Republic) in cooperation with local public initiatives from various regions of Ukraine with the financial support of the Transition Promotion Program of the Ministry of Foreign Affairs of the Czech Republic.

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