For this reason, it is worth knowing the specific places that PFAS chemicals can be found and understanding what the risks of exposure are.
Products Containing PFAS
The repellant and other properties of PFAS chemicals make them useful in various products.
Firefighting foam – One type of foam that firefighters use in their work is aqueous film-forming foam (AFFF). These foam formulations, which are made with PFAS chemicals, are incredibly effective at extinguishing fires that are otherwise difficult to suppress. The fact that PFAS are capable of repelling both water and oil makes them especially useful for fighting Class B fires that involve flammable liquids such as petroleum.
Stain-repellent and water-repellent coatings and fabrics – One of the first PFAS products to be created was the 3M Company’s Scotchgard, which is a coating used to make fabrics stain- and water-resistant.
Food packaging materials – The packaging of many food products is manufactured with PFAS to make them grease-resistant. This includes fast-food wrappers and containers, pizza boxes, candy wrappers, and microwave popcorn bags.
Nonstick cookware – The nonstick surfaces of Teflon pans and other similar products are effective due to the fact that they are made with PFAS.
Personal care products and cosmetics – Many products that most people use on a daily basis, such as several types of shampoo, dental floss, nail polish, lipstick, and eye makeup all contain PFAS that get absorbed directly through the skin.
It is important to note, however, that the primary concern for many scientists is the fact that the manufacture of these products has led to high levels of PFAS ending up in all parts of the environment and even in our own bloodstreams.
Which Aspects of the Environment Are Subject to PFAS Pollution?
The Environmental Protection Agency (EPA) notes that, due to the incredibly slow rate at which PFAS chemicals break down over time, they are found just about everywhere in all parts of the world.
The EPA and other advocacy groups have listed several specific areas of concern:
Water – The EPA’s risk assessments have singled out drinking water contamination as a primary concern. There is currently no federal maximum contamination level for PFAS under the Safe Drinking Water Act, although some states (such as Michigan) have begun enacting their own legislation in this regard.
Air – Recent studies have suggested that many people are exposed to unhealthy levels of PFAS via the air they breathe, particularly in some indoor settings.
Fish – According to the National Wildlife Federation, the levels of PFAS found in fish in many areas have become so high that they are unsuitable for human consumption. This is due to the contamination of the water in which the fish are found.
Soil – Scientists have discovered that PFAS are present in soils across the globe. The levels are high even in many areas that are far away from sites that manufacture or utilize PFAS chemicals. This is a cause for concern because it means that vegetation that grows in these soils will contain PFAS as well.
How Do I Avoid PFAS Exposure?
Unfortunately, it is unlikely that anyone will be able to completely eliminate their exposure to PFAS.
This is because it is present at low levels in many foods and in many aspects of the environment.
Check with your local health department to see if you live in an area where the drinking water is contaminated above safe levels.
If so, find an alternate source of water for drinking, cooking, brushing your teeth, or other activities in which there is a chance you might swallow water.
Similarly, check with your local health department for any fish advisories in your area and avoid eating fish that may be contaminated.
With over 25 years of legal experience, Jessie is an Illinois lawyer, a CPA, and a mother of three. She spent the first decade of her career working as an international tax attorney at Deloitte.
In 2009, Jessie co-founded her own law firm with her husband – which has scaled to over 30 employees since its conception.
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