Per- and polyfluorinated alkyl compounds (PFAS)

Per- and polyfluorinated alkyl compounds (PFAS)

Effects on humans, water and the environment

Per- and polyfluorinated alkyl compounds (PFAS) are organic compounds that have been used in a variety of applications since the 1950s, e.g. in the textile, paper and packaging industries, in the production of foams and fire-fighting foam, as well as in the aerospace industry. Due to their special chemical structure, PFAS have certain properties such as high resistance to water and grease, which makes them so attractive in many applications. However, PFAS also have numerous negative effects on the environment and our health.

What are PFAS and how do they work?

PFAS are compounds that consist of a long chain of carbon and fluorine atoms. The carbon-fluorine bond is one of the strongest in organic chemistry and makes PFAS very stable and difficult to break down. PFAS have a high persistence and can accumulate in the environment and in organisms. Some PFAS also have toxic properties and can affect our health.

Where do PFAS occur?

PFAS are found in many products. Some examples are

• Coatings on pans, pots and baking paper
• Impregnation of clothing, shoes and carpets
• Fire-fighting foam and foams
• Water-repellent packaging for fast food and takeaway
• Cleaning agent
• Electronic devices and components
• Cosmetics

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Conclusion

PFAS are a significant problem for the environment and human and animal health due to their persistent properties and widespread use. It is important that the use of PFAS is restricted and that there is effective monitoring and reduction of their exposure in the environment and in drinking water. Consumers can also contribute by looking for products that are PFAS-free and by protecting their water supply with appropriate filters.

Research into PFAS and their impact on the environment and health is far from complete. It is therefore important that the authorities and scientists continue to work together to understand the full extent of the problem and find appropriate solutions. This is the only way to protect the environment and our health.