PFAS in the news

John Bowden, an assistant professor at University of Florida’s College of Veterinary Medicine, wasn’t a fan of paper straws when they first gained popularity.

“They broke down in drinks really quickly,” Bowden told EHN. “They fell apart in your mouth.”

But then the biodegradable market—plant- and paper-based straws—expanded, giving people more structurally sound plastic straw replacement options. People could dip them in a drink without having to pull out a soggy clump of paper.

Bowden was skeptical. Oftentimes, companies will coat permeable products in per- and polyfluoroalkyl substances (PFAS), which are resistant to liquids. Read more…

Indoor dust contains dangerous, endocrine-disrupting chemicals, according to a study published today in Environmental Health Perspectives. The study of 46 dust samples from 21 buildings at a U.S. university found that all 46 samples contained hormonally active compounds that can lead to health effects, including infertility, diabetes, obesity, abnormal fetal growth, and cancers.

The study helps explain how industrial chemicals known as PFAS and flame retardants, which are found in the blood or urine of over 90 percent of Americans and are already known to cause widespread health and reproductive effects, enter the body. PFAS, which first came to light as ingredients in Teflon, are also used to coat carpets, furniture, and clothing. Despite a lack of evidence that they prevent fires, flame retardants are added to furniture, carpet, electronics, and building insulation. While we don’t eat these products, this study makes it clear that we breathe in tiny bits of them that have entered the air as dust. Read more…

Stain-resistant carpets and nonstick pots were once the epitome of “better living through chemistry,” their space-age properties conferred by molecules known as perfluoroalkyl and polyfluoroalkyl substances (PFAS). But in the early 2000s, researchers began to discover that PFAS were somehow reaching the farthest corners of the planet—from polar bears in Alaska (1) to pilot whales in the Faroe Islands of the North Atlantic (2). These molecules contain chains of carbon peppered with fluorine atoms, which together form one of the strongest known chemical bonds. That helps these chemicals excel at repelling grease and water but also makes them astonishingly resistant to degradation in the environment (3).

Amid a flurry of new studies, scientists are still figuring out what risks these ubiquitous “forever chemicals” pose to public health (see “PFAS Politics”). Epidemiologists and toxicologists point to myriad possible consequences, including thyroid disease, liver damage, and kidney and testicular cancers (4). Impacts on the immune system are a particular concern. Read more…

SACRAMENTO, Calif. – State legislation that would ban the toxic “forever chemicals”known as PFAS from a wide range of children’s products passed out of the California Assembly Environmental Safety and Toxic Materials Committee on Wednesday.

Assembly Bill 652, authored by Assemblymembers Laura Friedman (D-Burbank), with co-authors Phil Ting (D-San Francisco) and Al Muratsuchi (D-Torrance), would assure parents that a wide variety of baby and kids products they purchase are free from PFAS, a group of chemicals that cause increased risk of cancer, harm to fetal development and reduced vaccine effectiveness. PFAS are known as “forever chemicals” because they do not break down in the environment and they build up in our blood and organs. Read more…

Two federal health agencies are planning to investigate potential links between exposure to toxic PFAS chemicals and susceptibility to viral illnesses like Covid-19.

The study would build on federally funded investigations of PFAS exposure in nine communities near U.S. military bases where the chemicals were found in drinking water. Researchers hope to enroll 4,075 people from those previous investigations in the new assessment.

A collaboration between the National Center for Environmental Health and the Agency for Toxic Substances and Disease Registry, the study will be based on health questionnaires sent to people who have already had blood samples drawn for the PFAS exposure assessments. Read more…

The state of Alaska is suing manufacturers of a pair of the toxic PFAS compounds that have contaminated groundwater across the state. The lawsuit filed Wednesday names chemical giants 3M, Dupont and others.

It comes the same day as a bill was filed compelling state regulators to take broader action on contaminated sites, many near small state-run airports in communities from like Gustavus and Yakutat which have a number of PFAS compounds in private wells.

The 38-page legal complaint filed on behalf of Alaska Attorney General Treg Taylor notes that for decades, the companies knowingly produced the toxic chemicals, which do not break down in the environment and are highly soluble, allowing them to easily spread in groundwater. Read more…