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Eau de Paris files complaint against unknown persons for PFAS contamination
March 28, 2025 | #news
As expected, the municipal water authority in Paris filed a complaint against an unknown person on Friday, March 28, for pollution of its drinking water network with eternal pollutants (or PFAS), in order to establish the origin of this contamination and to enforce the “polluter pays” principle.
Pfas: analyses reveal high levels in the blood of residents near EuroAirport
March 27, 2025 | #news
While PFAS, also known as eternal pollutants, are increasingly present in our environment and in our bodies, few initiatives are aimed at better targeting their presence. In Saint-Louis, an association analyzed the blood of ten volunteers from the Trois Frontières region, who live near EuroAirport. The results are revealing, revealing significant levels and establishing a link with certain airport activities.
Abrupt closure of a PFAS factory: employees worried about their health
March 27, 2025 | #news
Following the sudden announcement of the closure of the Chemours chemical plant in Oise, employees are demanding that their exposure to perennial pollutants be taken into account. The employer is refusing to fund their blood tests.
New report from the French Academy of Sciences: "PFAS pollution: current state of knowledge and societal challenges"
March 25, 2025 | #news
Today, PFAS regularly make headlines in both the general and specialized press due to their potential or proven health effects. This media attention to environmental contamination and the impact on human populations is leading to increased societal awareness and the evolution of standards and regulations.
Eternal pollutants discovered in 68 everyday consumer products
March 20, 2025 | #news
The Belgian consumer organization Testachats and eight other institutions examined the presence of per- and polyfluoroalkyl substances (PFAS) in 229 everyday products. The tests came back positive for 68 of them.
14 drinking water networks in France exceed the authorized thresholds for these dangerous substances
March 19, 2025 | #news
Initial analyses compiled by the company Selectra reveal that 14 drinking water networks in France exceed regulatory thresholds for perfluoroalkyl and polyfluoroalkyl compounds (PFAS), toxic and persistent chemical substances associated with health risks.
EU finally bans weedkiller flufenacet, one of the perennial pollutants
March 17, 2025 | #news
On March 12, the member states of the European Union definitively adopted the ban on flufenacet, a herbicide from the family of per- and polyfluoroalkyl substances (PFAS), widely used in large-scale crops and criticized for its endocrine disrupting properties and its high presence in water.
Eternal pollutants: towards a (slightly) less toxic daily life?
March 17, 2025 | #news
Canada has just taken a decisive step toward better regulating perennial pollutants. The goal: to reduce Canadians’ exposure to these toxic substances, which are omnipresent in our daily lives and have become a real public health problem.
PFAS: Africa is also affected by eternal pollutants
March 13, 2025 | #news
PFAS are a group of thousands of chemical compounds widely used in everyday products. Virtually indestructible, they are found everywhere in the environment and are now known to be hazardous to health. France has just adopted an anti-PFAS law, and while this pollution is well documented in developed countries, there is little data on Africa. Yet, the continent is not immune to these “eternal pollutants.”
Near Angers, this chemical plant has launched the hunt for eternal pollutants
March 11, 2025 | #news
Several PFAS, molecules also known as “eternal pollutants,” have been detected in the water discharged from the Zach System plant in Avrillé (Maine-et-Loire). The company has launched a plan to find the source and reduce this pollution.
PFAS: What lies behind the sharp increase in the fee paid by manufacturers for our health
Mars 10, 2025 | #news
Data from the Regional Directorate for the Environment, Planning and Housing (DREAL) – Normandy reveals that a single factory emits 25 times more perfluoroalkyl and polyfluoroalkyl substances than the government estimated for all polluting industrial sites when the law against these pollutants was passed at the end of February 2025.
Mexico : House unanimously supports classifying PFAS as hazardous substance
March 6, 2025 | #news
The New Mexico House of Representatives unanimously passed House Bill 140, which would amend the Hazardous Waste Act in order to help the state ensure PFAS contamination near military bases is cleaned up.
“It is designed to address an issue that has arisen primarily in the eastern part of the state, but has potential to expand well beyond that,” bill sponsor Rep. Christine Chandler, D-Los Alamos, said.
Chemicals Found In NJ Drinking Water Revealed In New Study
February 27, 2025 | #news
Residents of New Jersey who drink tap water could be getting a dangerous cocktail of hundreds of chemicals, heavy metals and radioactive substances every day, according to an analysis of the nation’s drinking water supply released Wednesday.
The Garden State’s 563 public water utilities, which serve 8,854,000 people, have 131 known contaminants, according to the Environmental Working Group, a research and environmental advocacy nonprofit organization.
French parliament approves ban on PFAS in cosmetics, clothing and ski wax
February 27, 2025 | #news
France has become the second country after Denmark to ban per- and polyfluoroalkyl substances (PFAS) in certain products. The bill approved by the French parliament blocks the production, import or sale of cosmetics, clothing textiles (with some exceptions) and ski wax containing PFAS from January 2026. However, environmental campaigners argue that national bans are no substitute for EU action.
New bans target PFAS in clothing. Here's how to avoid exposure
February 26, 2025 | #news
There’s less toxic PFAS, or “forever chemicals,” in raincoats and other products sold in Canada, thanks to new rules elsewhere. But where are PFAS still found? What are the rules here anyway? Should you throw out your old Gore-Tex jacket? And what should you do to avoid products with PFAS? Here’s a closer look.
Who pays for PFAS? Governor, GOP lawmakers wrestle over cleanup liability
February 26, 2025 | #news
Democratic Gov. Tony Evers and Republican lawmakers continue to dig in their heels during a yearslong tug-of-war over how regulators should hold property owners liable for contamination caused by “forever chemicals” known as PFAS.
They are pushing competing proposals to protect so-called innocent landowners — those who didn’t knowingly cause their PFAS pollution — from liability under Wisconsin’s decades-old environmental cleanup law.
Issues of the Environment: Trump administration's lowered PFAS standards pose risk to Huron River
February 26, 2025 | #news
In January 2025, the Trump administration withdrew a proposed Environmental Protection Agency (EPA) plan that aimed to establish federal discharge limits on per- and polyfluoroalkyl substances (PFAS) for chemical manufacturers. The Trump administration withdrew a proposed rule from the previous administration that aimed to establish discharge limits on per- and polyfluoroalkyl substances (PFAS) for chemical manufacturers.
UC Irvine-led study finds possible links between PFAS exposure and childhood cancers
February 26, 2025 | #news
A study led by the Joe C. Wen School of Population & Public Health at the University of California, Irvine has revealed possible links between exposure to per- and polyfluoroalkyl substances in drinking water and an increased risk of certain childhood cancers.
EPA Reopens, Extends Comment Periods for Proposed PFAS Rule and Notices
February 24, 2025 | #news
On February 21, 2025, the U.S. Environmental Protection Agency (EPA) extended the comment deadline for the January 17, 2025, proposed rule to clarify the timeframe for when companies must first notify a customer that one of its mixtures or trade name products contains a per- or polyfluoroalkyl substance (PFAS) listed on the Toxics Release Inventory (TRI).
States move to cement PFAS protections amid fears of federal rollbacks
February 21, 2025 | #news
Concerns are growing about the fate of a Biden-era rule to limit toxic PFAS chemicals in drinking water, with some states moving to introduce laws that would lock in place PFAS protections that could survive any potential rollback by the Trump Administration.
NC gets $265 million to improve PFAS levels in water, wastewater projects
February 21, 2025 | #news
More than $265 million will be distributed to North Carolina communities to fund drinking water and wastewater infrastructure projects, according to Gov. Josh Stein.
The governor’s office and the state Department of Environmental Quality made the announcement Friday as concerns rise about the state’s drinking water.
Trump's PFAS rule rollback: What does it mean for litigation?
February 21, 2025 | #news
Last month, the Trump administration said a rule establishing limits for PFAS chemicals in drinking water will no longer be going into effect.
PFAS, also known as “forever chemicals,” have been linked to cancers, childhood development problems, reduced fertility and other health issues. Studies have found at least 97 percent of Americans have PFAS in their system.
Forever chemicals in biosolids may pose problems for municipalities, farmers
February 21, 2025 | #news
LANSING — A common practice by farmers to fertilize their fields may be spreading forever chemicals into new areas and into the food supply.
Biosolids are nutrient-rich organic materials derived from the treatment of sewage sludge from wastewater treatment plants that are applied as fertilizer.
They can be a cost-effective way for local governments to dispose of sewage sludge and for farmers who pay little or nothing to use it as fertilizer.
“Solids handling is a cost for municipalities,” said Christian Smith, the PFAS in Biosolids contact for the Department of Environment, Great Lakes and Energy, commonly referred to as EGLE.
Emory researchers respond to community PFAS concerns in northwest Georgia
February 20, 2025 | #news
In November 2023, Dana Barr, PhD, professor of environmental health at Emory University’s Rollins School of Public Health, was asked to travel to a community center in Rome, Georgia, to provide a small group of residents with general information about per- and polyfluoroalkyl substances (PFAS), also known as “forever chemicals.”
An independent investigation by Atlanta News First showed most of the 11 residents in this group had levels of PFAS in their blood that were higher than the national average.
Cannon appeals NMED fine over PFAS spill
February 18, 2025 | #news
Firefighters with the 27th Special Operations Civil Engineer Squadron test hose water pressure before an exercise Aug. 14, 2015, at Cannon Air Force Base, N.M. In January, New Mexico environment officials cited the base for a spill of wastewater containing firefighting foam with PFAS which soaked into the aquifer after a retaining pond leaked. (U.S. Air Force photo/Staff Sgt. Alexx Mercer)
Cannon Air Force Base outside of Clovis is seeking a hearing to appeal a fine issued in January from New Mexico environmental officials for a 4,000-gallon PFAS spill last August.
PFAS Risk Factor Disclosures—Is It Time for an Update?
February 18, 2025 | #news
With the annual report season underway, calendar year-end public companies are finalizing annual reports on Forms 10-K and 20-F. Risk factors are a key area requiring potential updates to these public filings. Generally, the risk factors disclosure framework requires each registrant to identify material factors that render an investment in its securities speculative or risky.[1] Well-drafted risk factors are not only critical for balancing a company’s communications with the market, but also for defending against allegations that statements in periodic filings or offering documents are false or misleading and, thus, reducing the risk of securities-related regulatory actions and litigation.
Water sector lauds bipartisan PFAS legislation
February 17, 2025 | #news
The Water Coalition Against PFAS, a coalition of water sector associations whose membership represents all facets of clean and safe water delivery, is strongly supporting the reintroduction legislation that would protect utilities and ratepayers from having to bear the costs of PFAS cleanup.
The Water Systems PFAS Liability Protection Act would provide statutory liability protections for water utilities under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) for per-and polyfluoroalkyl substances (PFAS), ensuring that polluters, not the public, pay for PFAS remediation.
What exactly is in fracking fluid? Legislation seeks to prohibit PFAS in oil and gas extraction
February 17, 2025 | #news
Oil and gas companies are not required to tell state officials if they are injecting cancer-causing chemicals such as PFAS into the ground as part of the extraction process.
While companies say they are not currently using PFAS in hydraulic fracturing — better known as fracking — some advocates and lawmakers say a full ban on PFAS use is needed.
Farm fertilizer or toxic waste? The growing debate over biosolids
February 14, 2025 | #news
North Carolina farms use treated sewage sludge as fertilizer, but concerns over PFAs contamination are growing. With few disposal alternatives, regulators and farmers face tough choices.
Across North Carolina, treated sewage sludge—known as biosolids—is spread on farmland as fertilizer. But growing concerns over PFAS contamination have farmers, utilities, and regulators grappling with tough choices.
Lawmaker wants to make federal drinking water PFAS limits the legal standard in Maine
February 14, 2025 | #news
A Hallowell lawmaker said he will introduce a bill to make the current federal drinking water limits for PFAS the legal standard in Maine.
Democratic Rep. Dan Shagoury said the bill would assure residents that Maine’s drinking water is safe, regardless of what the Trump Administration might do to the regulations.
Dangerous ‘forever chemicals' found in Johnson County soil and water, disaster declared
February 12, 2025 | #news
Johnson County officials declared a disaster on Tuesday after discovering “forever chemicals” in local agricultural land.
The contamination comes from perfluoroalkyl and polyfluoroalkyl substances, commonly known as PFAS, that stem from contaminated biosolids fertilizer.
State-Level PFAS Regulations Won’t Have Federal Model To Replicate
February 11, 2025 | #news
After the Trump administration’s latest withdrawal of a Biden plan, it appears that states are on their own for regulating “forever chemicals.”
Per- and polyfluoroalkyl substances (PFAS) – referred to as “forever chemicals” because they sometimes take hundreds or thousands of years to break down – don’t appear to be a priority for the Trump administration.
The phase-out of PFAS in firefighting: Britannia Fire explores what it means for fire safety standards
February 10, 2025 | #news
Innovations in fire extinguisher design and technology mean we now have greener alternatives that considerably reduce carbon emissions and improve sustainability.
Easier to maintain, they also provide long term cost-savings for the customer.
So why has the fire protection industry been slow to embrace this change?
Fire extinguishers play a vital role in fire protection.
They are essential for suppressing fire in its early stages and can help to prevent catastrophic damage and harm.
Defending Manufacturers Against PFAS Claims: Legal Strategies and Challenges
February 7, 2025 | #news
As litigation involving per- and polyfluoroalkyl substances (PFAS) continues to rise, manufacturers of PFAS-containing products face significant legal and financial risks. Plaintiffs, including individuals, communities, Non-Governmental Organizations (NGOs), and governmental entities, are increasingly filing lawsuits alleging personal injury, property damage, and environmental harm due to PFAS exposure.
EPA Postpones Addition of Nine PFAS to Toxics Release Inventory for Reporting Year 2025
February 7, 2025 | #news
the U.S. Environmental Protection Agency (EPA) delayed until March 21, 2025, the effective date of a January 2025 rule adding nine per- and polyfluoroalkyl substances (PFAS) to the list of chemicals subject to toxic chemical release reporting under the Emergency Planning and Community Right-to-Know Act (EPCRA) and the Pollution Prevention Act (PPA).
PFAS Ban Sees Tech Suit Shipments Halted In California and New York
February 6, 2025 | #news
The ban of per- and polyfluoroalkyl (PFAS) substances in select U.S. states has resulted in a disruption of suit orders and shipments for swimmers and parents gearing up for championship season. PFAS, also known as forever chemicals, are a group of man-made chemicals that don’t break down easily and are therefore harmful to the environment.
New York lawmakers propose legislation to mitigate PFAS exposure
February 05, 2025 | #news
State lawmakers on Wednesday announced a group of five bills aimed to reduce per- and polyfluoroalkyl substances (PFAS) for consumers and New York residents.
“It’s well-known that PFAS are among the most toxic and harmful chemicals known to humankind,” Democratic state Sen. Peter Harckham said during a press conference in Albany.
Alternatives to PFAS are available for many applications
February 4, 2025 | #news
With their article published January 24, 2025, in the journal Environmental Science & Technology, Romain Figuière and co-authors from Stockholm University, Sweden, take an important step towards the phase-out of per- and polyfluoroalkyl substances (PFAS) by mapping their applications and currently available alternatives.
Polar bear fur could hold the secret to replacing ‘forever chemicals’
January 29, 2025 | #news
White fur, blubbery skin, sharp claws. Polar bears seem perfectly adapted to their frigid habitat up north.
Now, researchers have discovered the bears have another unexpected Arctic adaptation: greasy fur. It’s a trait that, surprisingly, might help us find alternatives to “forever chemicals,” a class of widely used compounds that are linked to a range of health problems in people.
Trump administration scraps EPA rule to limit toxic PFAS pollution, sparking concern in NC
January 29, 2025 | #news
The Trump administration has withdrawn a proposed Environmental Protection Agency rule that aimed to limit industrial discharges of toxic “forever chemicals,” a move that has sparked concern among North Carolina residents and environmental advocates.
The withdrawn proposal, which had not been finalized before the Biden administration left office, would have required PFAS manufacturers to monitor and reduce discharges into waterways under the Clean Water Act.
New Mexico wildlife, plants around Holloman lake have highest PFAS contamination on record
January 27, 2025 | #news
Plants and wildlife living around Holloman Lake near White Sands National Park contain some of the highest levels of toxic PFAS contamination recorded in the world, according to findings released Monday by New Mexico environmental officials.
The record-breaking levels of per- and polyfluoroalkyl substances (shortened to PFAS) were recorded in samples of plants and studies of dead animal carcasses.
Trump withdraws Biden administration plan to set discharge limits on PFAS in water
January 27, 2025 | #news
President Donald Trump withdrew plans for the Environmental Protection Agency to set new effluent limits on PFAS. The Biden administration plans aimed to set discharge limits on six types of perfluoroalkyl and polyfluoroalkyl substances, or PFAS.
PFAS are often called “forever chemicals” because they break down very slowly in the environment and in the body.
PFAS: Drinking water in France is massively contaminated by “eternal pollutants”, particularly in Paris
January 23, 2025 | #news
In France, the contamination of drinking water by “eternal pollutants” (PFAS, for per- and polyfluoroalkyl substances) is reaching unsuspected levels. Two measurement campaigns, made public on Thursday, January 23, and conducted separately by the consumer association UFC-Que choisir and the environmental NGO Générations futures on the one hand, and by the analysis laboratory Eurofins on the other, suggest that almost all French people are exposed to these toxic substances through drinking water, and in the vast majority of cases at levels exceeding the theoretical quality threshold.
EU plans ban on 'forever chemicals' in consumer products
January 20, 2025 | #news
BRUSSELS, Jan 20 (Reuters) – The European Commission intends to propose a ban on the use of PFAS, or “forever chemicals”, in consumer products, with exemptions for essential industrial uses, the EU’s environment chief told Reuters.
PFAS, or Perfluoroalkyl and Polyfluoroalkyl Substances, do not break down in the environment, raising concerns about the consequences of them building up in ecosystems, drinking water and the human body.
Insurers shield themselves from PFAS clean-up costs
January 14, 2025 | #news
Companies face tougher hurdles to protect themselves against potential per- and polyfluoroalkyl contamination costs and damages, as insurers tighten due diligence in underwriting policies that could be triggered by exposure to these so-called ‘forever chemicals’.
Increasingly, insurers’ due diligence assesses whether an insured company’s management is actively monitoring for potential exposure to PFAS — for example, in its production processes, in its supply chains or when acquiring land.
How PFAS 'forever chemicals' are removed from contaminated drinking water at treatment plants
January 14, 2025 | #news
The U.S. Water treatment plants usually use technologies called granular activated carbon and ion exchange resin to remove PFAS from contaminated drinking water.
Small, kitchen-based options include reverse osmosis systems, but these can be expensive to maintain, and not necessary if water is already safe to drink.
The Forever Lobbying Project exposes the real cost of PFAS pollution on the environment, science, and politics
January 14, 2025 | #news
For over a year, the #ForeverLobbying Project investigated an ongoing orchestrated lobbying and disinformation campaign by the PFAS industry and its allies, with the aims of watering down an EU proposal to ban “forever chemicals” and shifting the burden of environmental pollution onto society.
The cross-border, interdisciplinary investigation reveals for the first time the staggering cost of cleaning PFAS contamination in Europe if emissions remain unrestricted: €2 trillion over a 20-year period, an annual bill of €100 billion. If the polluters do not pay, then who will?
PFAS in drinking water: 2024 regulatory milestones and the road ahead for U.S. water systems
January 9, 2025 | #news
2024 has been a pivotal year for efforts to address the pervasive challenge of per- and polyfluoroalkyl substances (PFAS) contamination in the water sector. The U.S. leads in its approach to confront this issue, including research into PFAS risks, regulatory actions and addressing the realities of remediation, setting an example for other nations grappling with similar challenges.
EPA adds 9 PFAS to Toxics Release Inventory list
January 6, 2025 | #news
The U.S. Environmental Protection Agency (EPA) has added nine per- and polyfluoroalkyl substances to the list of chemicals covered by its Toxics Release Inventory.
These nine PFAS were added to the inventory list pursuant to the 2020 National Defense Authorization Act, which provides the framework for the automatic addition of PFAS to the inventory each year in response to specified EPA activities involving such PFAS.
As many as 23M Americans exposed to toxic ‘forever chemicals’ via treated wastewater
January 6, 2025 | #news
Nearly 7 percent of Americans may be exposed to hazardous levels of “forever chemicals” through treated municipal wastewater, a new study has found.
These approximately 23 million people may be consuming these toxic compounds, also known as per- and polyfluoroalkyl substances (PFAS), in their drinking water, according to the study, published on Monday in the Proceedings of the National Academy of Sciences.
Why more brands will become PFAS-free in 2025
December 31, 2024 | #news
In January 2025, California and New York will become the first states in the nation to ban the sale of clothing that contains PFAS, which stands for per- and polyfluoroalkyl substances. PFAS have been used in consumer products for decades, often for water-repelling purposes in nonstick cookware or waterproof clothing. However, the man-made chemicals don’t break down naturally, and traces are found in soil, water and human bodies.
Minnesota PFAS ban: Youth motorsports hit under new law
December 30, 2024 | #news
Dirty dirt bikes: Most if not all of the dirt bikes and all-terrain vehicles (ATVs) made for kids are currently made with PFAS for heat resistance or waterproofing, but some dealers only realized that in the last week – so they may be stuck with products they can’t sell.
Whether it’s the Yamaha TTR50 or the Honda CRF110F, kid-sized dirt bikes and ATVs are the starter set for a lifelong motorsports hobby.
Davis Motorsports in Delano sold three or four of them a month, but not anymore.
Japan releases results of 1st nationwide survey of PFAS chemicals in tap water
November 29, 2024 | #news
The Japanese government has released the results of the first nationwide survey of the levels of certain types of PFAS in tap water. Some of these chemicals are said to be potentially harmful.
PFAS are a group of organic fluorine compounds, including PFOS, or perfluorooctanesulfonic acid, and PFOA, or perfluorooctanoic acid. PFOS and PFOA are considered potentially harmful. The government currently sets a provisional target for the two chemicals at a total 50 nanograms per liter for tap water.
PFAS opportunities coming as Trump enters office, waste executives say
November 25, 2024 | #news
With the reelection of Donald Trump to the White House, it might appear that recent regulations implemented by the U.S. EPA on per- and polyfluoroalkyl substances, or PFAS, are on shaky ground.
But Trump’s announcement that he wanted former U.S. Rep. Lee Zeldin to lead the EPA, combined with continued progress on PFAS destruction technology, has some waste executives seeing as much opportunity as difficulty in the future PFAS regulatory environment.
Influence of Talc in Polypropylene on Total Fluorine Measurements Used as an Indicator of Per- and Polyfluoroalkyl Substances (PFAS)
November 15, 2024 | #news
Increasing restrictions for chemicals of concern in plastic packaging materials have created an urgent need to accurately detect and quantify these chemicals. Total fluorine measurements have been utilized to screen for highly scrutinized per and poly-fluorinated substances (PFAS) in food packaging materials.
Biden-Harris Administration Makes Unprecedented Progress to Protect Communities from PFAS Pollution
November 14, 2024 | #news
Under the leadership of President Biden and Vice President Harris, the U.S. Environmental Protection Agency (EPA) has delivered bold and concrete actions to protect people from PFAS, or per- and polyfluoroalkyl substances, in their water and everyday lives while dramatically increasing investments in research and solutions. Specific actions and progress are detailed in EPA’s third annual progress report, highlighting the significant achievements the agency has made under its PFAS Strategic Roadmap and the Biden-Harris Administration’s whole-of-government strategy to protect communities from the impacts of forever chemicals.
Clinical, histological, molecular, and toxicokinetic renal outcomes of per-/polyfluoroalkyl substances (PFAS) exposure: Systematic review and meta-analysis
November 12, 2024 | #news
Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals present in the environment that can negatively affect health. Kidney is the major target organ of PFAS exposure, yet the renal impact of PFAS is not completely understood. Here we review the effects of PFAS exposure on kidney health to identify gaps in our understanding and mark potential avenues for future research.
Up to 3.2M in Michigan may be getting water from PFAS-tainted aquifers
October 28, 2024 | #news
Up to 3.2 million Michiganders may get their drinking water from PFAS-tainted aquifers, according to a landmark national study on “forever chemicals” in America’s well water.
That’s among the highest rates in the nation, attributable both to the heavy presence of polluting industries in Michigan and the fact Michiganders are more likely than most to get their water from private wells.
Michigan congressional leaders renew pleas to clean up PFAS on military sites
October 15, 2024 | #news
Michigan congressional leaders recently sent a letter to the Department of Defense, demanding a detailed plan to address contaminated military sites.
This comes after the U.S. Air Force revealed two cleanup actions in Oscoda will not be implemented for another five years. Those cleanup systems are meant to stop toxic “forever chemicals” from leaking into the Au Sable River.
Saint-Gobain to demolish Merrimack plant tied to PFAS contamination next year
October 15, 2024 | #news
Saint-Gobain Performance Plastics will demolish its Merrimack plant tied to widespread PFAS contamination in the area, representatives of the company told the Bulletin Tuesday.
The French manufacturer ceased operations at the facility in May, months after it announced it would close as part of a company restructuring. Now, the company says it will spend the better part of 2025 tearing the plant down.
Brown Urges DoD to Block PFAS Incineration in East Liverpool
October 11, 2024 | #news
WASHINGTON – U.S. Sen. Sherrod Brown has called on the U.S. Department of Defense to block the resumption of incineration as an approved disposal method of hazardous chemicals in East Liverpool and communities across the country.
In a letter to Defense Secretary Lloyd Austin, Brown urged a halt to plans to burn perfluoroalkyl and polyfluoroalkyl substances (PFAS) “in Ohio or elsewhere.”
PFAS, also known as forever chemicals, pose a threat to public health and are designated by the Environmental Protection Agency as hazardous substances.
The scale of the problem of replacing ‘forever chemicals’ PFAS
October 10, 2024 | #news
Nearly 15,000 substances are thought to belong to the family of per- and polyfluoroalkyl substances (PFAS), which have been linked to a range of environmental and health problems. However, these compounds have become a vital, but largely unsung, part of modern life and are used in a vast array of ways. Plans are afoot in many countries to phase out many of these chemicals, but while it is relatively simple to replace them in some products, it is much harder in others.
Laws in states such as Minnesota, along with a new federal drinking water standard, mark latest efforts to end threat of ‘forever chemicals’
October 8, 2024 | #news
The class of “forever chemicals” known by the acronym PFAS is the focus of a new federal drinking water standard as well as a wave of recent state legislation calling for partial or comprehensive bans on their use in commercial products.
Minnesota is in that vanguard of states.
PFAS Treatment and Removal Technologies
October 1st, 2024 | #news
After the state of knowledge that RECORD published last spring, the network is continuing its work by questioning the capacities to treat and eliminate these molecules from the environments in which they are present.
This study will provide the keys to understanding the origin of the stability of PFAS.
3,600 chemicals from food packaging found in people
September 28, 2024 | #research
Just over 3,600 chemicals, including some known carcinogens, from food packaging, processing and storage have been found in humans, according to new research. Published in the journal Nature, the peer-reviewed research highlighted the link between food packaging and preparation and human exposure to sometimes-harmful chemicals.
Marana files suit against the federal government over PFAS contamination
September 27, 2024 | #news
The town of Marana — just north of Tucson — is suing the federal government over water contamination issues tied to military and airport facilities nearby.
The town is asking for federal compensation for the money it’s spent and will spend cleaning up PFAS in its drinking water.
Vancouver aims to raise $210M to remove ‘forever chemicals’ from drinking water
September 27, 2024 | #news
The city of Vancouver is less than a quarter of the way to securing enough funding to mitigate toxic “forever chemicals” from its drinking water by 2029. This week, the city announced it has secured a $10 million low-interest loan to build PFAS filtration systems, bringing its collection of grants and loans up to $37.5 million. In all, it needs to raise an estimated $210 million.
State offers aid for small Iowa communities to meet PFAS monitoring
September 22, 2024 | #news
The Iowa Department of Natural Resources has a free, voluntary monitoring program to help small communities meet U.S. Environmental Protection Agency initial monitoring mandates for per- and polyfluoroalkyl substances — sometimes called “forever chemicals” — in drinking water.
Source of Everlasting Chemicals in Madrona K-8 Elementary School Stormwater Remains a Mystery
September 21, 2024 | #news
The Edmonds School District continues to investigate the source of the perennial chemicals found in the stormwater system at Madrona K-8 School in Edmonds. The move came after the Washington State Department of Ecology sent a letter to the district recommending it take steps to reduce perfluoroalkyl and polyfluoroalkyl substances, or PFAs.
Tucson Airport Authority tracking PFAS on its grounds
September 21, 2024 | #news
The Tucson Airport Authority is tracking where it needs to look more closely for a chemical compound that is already known to be a problem. The chemical has been an important tool for firefighters for decades, and the TAA is looking into where it’s been stored and where it’s been discharged.
Europe restricts the use of several PFAS
September 20, 2024 | #news
The European Commission has just adopted a decision to restrict the use of certain PFAS within the framework of the Reach regulation, the legislation which governs the use of chemicals.
How a California County Got PFAS Out of Its Drinking Water
September 14, 2024 | #info
Yorba Linda is a small, sunny city southeast of Los Angeles. It’s perhaps best known for being the birthplace of President Richard Nixon. But in the past few years, Yorba Linda has picked up another distinction: It’s home to the nation’s largest per- and polyfluoroalkyl (PFAS) water treatment plant of its kind, according to the city.
Occurrence and health risk assessment of PFAS and possible precursors: a case study in a drinking water treatment plant and bottled water
September 13, 2024 | #research
The presence of PFAS in drinking water may pose a serious threat to human health. This study aims to determine the levels of these compounds and their precursors in water samples from a drinking water treatment plant (DWTP) located in l’Ampolla (Spain) and to assess their fate.
EPA Awards Two Texas Institutions $3.2 Million for Research on PFAS Exposure and Reduction in Agriculture
September 12, 2024 | #news
The U.S. Environmental Protection Agency announced $3.2 million in total research grant funding for two Texas institutions for research to reduce per-and polyfluoroalkyl substances (PFAS) exposure from food and protect our farmlands and farming communities.
Minnesota directing 3M to limit the amount of PFAS it sends into the Mississippi River
September 9, 2024 | #info
Chloe Johnson at the Minnesota Star Tribune is reporting that for the first time, Minnesota is directing 3M to limit the amount of PFAS it sends into the Mississippi River from its 76-year-old factory in Cottage Grove. The industrial chemicals detected near the factory’s discharge pipe have been blamed for contaminating fish that pose a threat to people who eat them.
New research finds ties between higher PFAS levels and eating caught fish, microwaved popcorn
September 6, 2024 | #info
A new study from the UW School of Medicine and Public Health finds that PFAS, PFOA and other so-called “forever chemicals” are in the blood of most Wisconsin residents — and that two foods in particular are linked with higher levels of the chemicals in a person’s blood.
Uptick in PFAS scrutiny reveals patchy global rule book
September 5, 2024 | #info
Regulators face a trade-off between restricting potentially toxic chemicals and pushing industry to seek alternatives whose large-scale commercialisation is yet to be tested. Their indestructible nature has earned PFAS the nickname “forever chemicals” and sparked increasing scrutiny from regulators and the public, alarmed by studies revealing the chemicals’ negative impact on human health, including links to cancer and fertility issues.
US Air Force: 7,000 gallons of water with PFAS ‘forever chemicals’ released at Cannon AFB
September 2, 2024 | #info
CANNON AIR FORCE BASE, N.M. — The U.S. Department of the Air Force is investigating the reported release of around 7,000 gallons of water containing PFAS. Officials discovered the release into a lined retention pond in the fire training area. The release reportedly happened between July 9 and July 15 at Cannon Air Force Base.
Maine fire departments look to move away from toxic foam
August 31, 2024 | #info
Two people are lucky to be alive after the tractor-trailer they were napping in caught fire in the Maine Mall parking lot early Thursday morning. To put it out, firefighters were forced to use a kind of foam that’s loaded with PFAS, also called “forever chemicals.”
Geneva asks four companies to carry out analyzes linked to PFAS pollution
July 2, 2024 | #info
PFAS, also called eternal pollutants, are of concern to the Canton of Geneva. The State has asked four companies to carry out analyzes before a potential decontamination, RTS and Le Temps revealed on Tuesday.
Male infertility and Perfluoroalkyl and poly-fluoroalkyl substances: Evidence for alterations in phosphorylation of proteins and fertility-related functional attributes in bull spermatozoa
June 7, 2024 | #scientificreport
BACKGROUND: Perfluoroalkyl and poly-fluoroalkyl substances (PFAS) are pervasive environmental pollutants and emerging risk factors for reproductive health. Although epidemiological evidence supports the link between these substances and male infertility, their specific effects on male fertility remain poorly understood. OBJECTIVES: Investigate the effect of perfluorooctane sulfonic acid (PFOS), the most prevalent and prominent PFAS, on bull sperm protein phosphorylation, a post-translational modification process governing sperm functionality and fertility.
Kumaresan, A., et al. (2024).
Biol Reprod.
Interior and exterior coating compositions for cookware articles having improved deep draw performance
June 6, 2024 | #patent
Brief Summary: The present disclosure provides coating compositions for interior and exterior surfaces for articles of cookware and bakeware, and in particular, to such coating compositions which are free of perfluoroalkyl substances (PFAS) and which demonstrate improved deep draw performance.
Salt Separation and Destruction of PFAS Utilizing Reverse Osmosis and Salt Separation
June 6, 2024 | #patent
Brief Summary Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water is concentrated in a reverse osmosis step and salt from the resulting solution is removed in supercritical conditions prior to destruction of PFAS in supercritical conditions.
Method for treating a PFAS-contaminated liquid medium
June 6, 2024 | #patent
Brief Summary: The invention relates to a method for treating an aqueous liquid medium contaminated with at least one perfluoroalkylated or polyfluoroalkylated substance. This method comprises a step of bringing the liquid medium into contact with ovalbumin, followed by a step of removing the ovalbumin bound to said substance from the liquid medium, using the technique of flotation.
Functionalised alumina adsorbent materials for removal of contaminants from water
June 6, 2024 | #patent
Brief Summary: A composition is provided for removal of a target substance from a fluid stream. The composition may be used to remove polyfluorinated alkyl substances (PFAS) from water. The composition comprises a support material comprising an alumina; and a sorbent molecule that comprises a core polymer; wherein the core polymer is covalently linked to the support material.
Structure-specific variation in per- and polyfluoroalkyl substances toxicity among genetically diverse Caenorhabditis elegans strains
June 2, 2024 | #Scientificreport
BACKGROUND: There are >14,500 structurally diverse per- and polyfluoroalkyl substances (PFAS). Despite knowledge that these “forever chemicals” are in 99% of humans, mechanisms of toxicity and adverse health effects are incompletely known. Furthermore, the contribution of genetic variation to PFAS susceptibility and health consequences is unknown. OBJECTIVES: We determined the toxicity of a structurally distinct set of PFAS in twelve genetically diverse strains of the genetic model system Caenorhabditis elegans.
Leuthner, T. C., et al. (2024).
bioRxiv.
Special Symposium on PFAS elimination from Drinking Water
June 1, 2024 | #event
The H2020 research project ZeroPM: Zero pollution of persistent, mobile substances would like to invite all interested stakeholders to a Special on PFAS elimination from Drinking Water including a Technology Demonstration Event.
Date : Wednesday 12th of June and Thursday 13th of June
The link between ancient microbial fluoride resistance mechanisms and bioengineering organofluorine degradation or synthesis
May 30, 2024 | #review
Fluorinated organic chemicals, such as per- and polyfluorinated alkyl substances (PFAS) and fluorinated pesticides, are both broadly useful and unusually long-lived. To combat problems related to the accumulation of these compounds, microbial PFAS and organofluorine degradation and biosynthesis of less-fluorinated replacement chemicals are under intense study.. © The Author(s) 2024.
Stockbridge, R. B. and L. P. Wackett (2024).
Nature Communications 15(1 C7 – 4593).
2D and 3D Self-Assembly of Fluorine-Free Pillar-[5]-Arenes and Perfluorinated Diacids at All-Aqueous Interfaces
May 24, 2024 | #regulation
The interaction of perfluorinated molecules, also known as “forever chemicals” due to their pervasiveness, with their environment remains an important yet poorly understood topic. In this work, the self-assembly of perfluorinated molecules with multivalent hosts, pillar-[5]-arenes, is investigated. It is found that perfluoroalkyl diacids and pillar-[5]-arenes rapidly and strongly complex with each other at aqueous interfaces, forming solid interfacially templated films.
Honaker, L. W., et al. (2024).
Adv Sci (Weinh): e2401807.
Structural Features of Styrene-Functionalized Cyclodextrin Polymers That Promote the Adsorption of Perfluoroalkyl Acids in Water
May 20, 2024 | #review
Cross-linked β-cyclodextrin (β-CD) polymers are promising adsorbents for the removal of per- and polyfluoroalkyl substances (PFAS) from contaminated water sources, including contaminated groundwater, drinking water, and wastewater. We previously reported porous, styrene-functionalized β-cyclodextrin (StyDex) polymers derived from radical polymerization with vinyl comonomers.
Lin, Z. W., et al. (2024).
ACS Appl Mater Interfaces.
Associations of perfluoroalkyl substances with metabolic-associated fatty liver disease and non-alcoholic fatty liver disease: NHANES 2017-2018
May 19, 2024 | #review
OBJECTIVES: This study investigated the potential effects of perfluoroalkyl substance (PFAS) in serum on MAFLD, NAFLD, and liver fibrosis. METHODS: Our sample included 696 participants (≥ 18 years) from the 2017-2018 NHANES study with available serum PFASs, covariates, and outcomes..
Zhang, Y., et al. (2024).
Cancer Causes Control.
Variable PFAS removal by adsorbent media with sufficient prediction of breakthrough despite reduced contact time at pilot scale
May 18, 2024 | #review
One alternative adsorbent (AA) and five ion exchange (IX) resins were tested for the removal of per- and polyfluoroalkyl substances (PFAS) from groundwater in pilot-scale columns for up to 19 months using empty bed contact times (EBCTs) representative of full-scale treatment
Pannu, M. W., et al. (2024).
Water Environ Res 96(5): e11035.
PFAS in Nigeria: Identifying data gaps that hinder assessments of ecotoxicological and human health impacts .
May 15, 2024 | #scientificreport
This review examines the extensive use and environmental consequences of Per- and Polyfluoroalkyl Substances (PFAS) on a global scale, specifically emphasizing their potential impact in Nigeria. Recognized for their resistance to water and oil, PFAS are under increased scrutiny for their persistent nature and possible ecotoxicological risks. Here, we consolidate existing knowledge on the ecological and human health effects of PFAS in Nigeria, focusing on their neurological effects and the risks they pose to immune system health.
Kikanme, K. N., et al. (2024).
Heliyon 10(9): e29922.
Placental PFAS concentrations are associated with perturbations of placental DNA methylation at loci with important roles on cardiometabolic health
May 7, 2024 | #review
The placenta is crucial for fetal development, is affected by PFAS toxicity, and evidence is accumulating that gestational PFAS perturb the epigenetic activity of the placenta. Gestational PFAS exposure is can adversely affect offspring, yet individual and cumulative impacts of PFAS on the placental epigenome remain underexplored. Here, we conducted an epigenome-wide association study (EWAS) to examine the relationships between placental PFAS levels and DNA methylation in a cohort of mother-infant dyads in Arkansas. We measured 17 PFAS in human placental tissues and quantified placental DNA methylation levels via the Illumina EPIC Microarray
Everson, T. M., et al. (2024).
medRxiv.
Transformative Dynamics: Self-Assembly of Iron Oxide Hydroxide Nanorods into Iron Oxide Microcubes for Enhanced Perfluoroalkyl Substance Remediation
May 3, 2024 | #patent
We report the controlled synthesis of iron oxide microcubes (IOMCs) through the self-assembly arrays of ferric oxide hydroxide nanorods (NRs). The formation of IOMCs involves a complex interplay of nucleation, self-assembly, and growth mechanisms influenced by time, thermal treatment, and surfactant dynamics. The self-assembly of vertically aligned NRs into IOMCs is controlled by dynamic magnetism properties and capping agents like cetyltrimethylammonium bromide (CTAB), whose concentration and temperature modulation dictate growth kinetics and structural uniformity…
Rhakho, N., et al. (2024).
Langmuir.
Development of an Automated Morphometric Approach to Assess Vascular Outcomes following Exposure to Environmental Chemicals in Zebrafish
May 3, 2024 | #patent
BACKGROUND: Disruptions in vascular formation attributable to chemical insults is a pivotal risk factor or potential etiology of developmental defects and various disease settings. Among the thousands of chemicals threatening human health, the highly concerning groups prevalent in the environment and detected in biological monitoring in the general population ought to be prioritized because of their high exposure risks. However, the impacts of a large number of environmental chemicals on vasculature are far from understood.
Zhong, X., et al. (2024).
Environ Health Perspect 132(5): 57001.
Polymer Coatings Affect Transport and Remobilization of Colloidal Activated Carbon in Saturated Sand Columns: Implications for In Situ Groundwater Remediation
May 1, 2024 | #scientificreport
Colloidal activated carbon (CAC) is an emerging technology for the in situ remediation of groundwater impacted by per- and polyfluoroalkyl substances (PFAS). In assessing the long-term effectiveness of a CAC barrier, it is crucial to evaluate the potential of emplaced CAC particles to be remobilized and migrate away from the sorptive barrier. We examine the effect of two polymer stabilizers, carboxymethyl cellulose (CMC) and polydiallyldimethylammonium chloride (PolyDM), on CAC deposition and remobilization in saturated sand columns.
Guan, X., et al. (2024).
Environ Sci Technol.
Systems for catalytically removing per- and polyfluoroalkyl substances from a fluid and related methods
May 1, 2024 | #patent
The present invention relates to systems and methods for catalytic removal of per- and polyfluoroalkyl substances (PFAS) from water and wastewater. The system and methods utilize a catalyst film and a biofilm to synergystically remove PFAS from water. In some aspects, the catalyst film reduces and defluorinates PFAS into less fluorinated counterparts of PFAS, and the biofilm metabolizes the less fluroinated counterparts of PFAS into CO2 or shorter chain PFAS.
Cross-Sectional Associations between Prenatal Per- and Poly-Fluoroalkyl Substances and Bioactive Lipids in Three Environmental Influences on Child Health Outcomes (ECHO) Cohorts
May 1, 2024 | #patent
Environ Sci Technol.
Prenatal per- and poly-fluoroalkyl substances (PFAS) exposure may influence gestational outcomes through bioactive lipids─metabolic and inflammation pathway indicators. We estimated associations between prenatal PFAS exposure and bioactive lipids, measuring 12 serum PFAS and 50 plasma bioactive lipids in 414 pregnant women (median 17.4 weeks’ gestation) from three Environmental influences on Child Health Outcomes Program cohorts.
Suthar, H., et al. (2024).
Environ Sci Technol.
Waste processing system and method
May 1, 2024 | #patent
A waste processing system comprises a drying chamber for drying waste and producing steam, a gasification chamber for generating syngas and a thermal converter which receives the steam and the syngas and is configured to cause supercritical oxidation or combustion of the syngas. For oxidation the steam may pass through reactor which generates supercritical water and an oxidant may be supplied to the supercritical water so supercritical water oxidation (SCWO) may occur.
Per-polyfluoroalkyl substances (PFAS) as thyroid disruptors: is there evidence for multi-transgenerational effects ?
April 30, 2024 | #review
This review examines the current data on the multi-trans-generational effects of PFAS, with a focus on their impact on the thyroid axis. The aim is to determine if there is evidence of potential multi-trans-generational effects of PFAS on the thyroid and/or if more research is needed. EXPERT OPINION: PFAS exposure impacts thyroid homeostasis and can cross the placental barrier.
Coperchini, F., et al. (2024).
Expert Rev Endocrinol Metab: 1-9.
Assessment and Comparison of Early Developmental Toxicity of Six Per- and Polyfluoroalkyl Substances with Human Embryonic Stem Cell Models
April 30, 2024 | #patent
Per- and polyfluoroalkyl substances (PFAS) are extensively utilized in varieties of products and tend to accumulate in the human body including umbilical cord blood and embryos/fetuses. In this study, we conducted an assessment and comparison of the potential early developmental toxicity of perfluorooctanoic acid (PFOA), undecafluorohexanoic acid (PFHxA), heptafluorobutyric acid, perfluorooctanesulfonate (PFOS), perfluorohexanesulfonate, and perfluorobutyric acid at noncytotoxic concentrations relevant to human exposure using models based on human embryonic stem cells in both three-dimensional embryoid body (EB) and monolayer differentiation configurations.
Zhao, M., et al. (2024).
Environ Sci Technol.
Publication of the French interministerial action plan on PFAS
April 30, 2024 | #regulation
Cyrille Isaac-Sibille, Member of Parliament, was appointed by the Prime Minister on 5 July 2023 to carry out an analysis of the situation of PFASs in France, together with recommendations. The MP submitted his report at the beginning of February and his recommendations have been taken into account in drawing up this action plan.
Method for removing polyvinylpyrrolidone from water using salts and using the precipitated composition for further water treatment
April 18, 2024 | #patent
A method for removing polyvinylpyrrolidone (PVP) from water using rare earth salts, iron salts, or mixtures thereof effectively and efficiently removes undesired and dissolved PVP and provides a composition containing hydrolyzed PVP (h-PVP) having ions bound thereto. In these compositions the ions include rare earth cations, iron cations, and mixtures thereof. This composition is beneficial in the removal of aqueous contaminants, such as phosphate, other phosphorus containing compounds, arsenic, arsenic containing compounds, fluorides, and PFAS from water.
Use of electrochemical oxidation for treatment of per-and polyfluoroalkyl substances (pfas) in waste generated from sorbent and resin regeneration processes
April 17, 2024 | #patent
The present invention relates to a process for destroying per- and polyfluoroalkyl substances in an aqueous effluent by electro-oxidation comprising:concentrating the per- and polyfluoroalkyl substances using a filtration or sorbent technology;washing the filter or sorbent with a regenerant to generate a spent regenerant containing the per- and polyfluoroalkyl substances…
Processes for recovering pfas from solid sorbents
April 17, 2024 | #patent
A solvent extraction process for removing poly- and perfluoroalkyl substances (PFAS) from a PFAS laden adsorbent is disclosed. The process comprises introducing a substantially pure solvent at an elevated temperature to a bed of the PFAS laden adsorbent and continuously removing PFAS laden solvent from the adsorbent, wherein the introducing and removing are carried out simultaneously and continuously until a desired amount of PFAS is removed from the adsorbent
All-cause, cardiovascular disease and cancer mortality in the population of a large Italian area contaminated by perfluoroalkyl and polyfluoroalkyl substances (1980–2018)
April 16, 2024 | #scientificreport
Background: Per- and polyfluoroalkyl substances (PFAS) are associated with many adverse health conditions. Among the main effects is carcinogenicity in humans, which deserves to be further clarified. An evident association has been reported for kidney cancer and testicular cancer. In 2013, a large episode of surface, ground and drinking water contamination with PFAS was uncovered in three provinces of the Veneto Region (northern Italy) involving 30 municipalities and a population of about 150,000. We report on the temporal evolution of all-cause mortality and selected cause-specific mortality by calendar period and birth cohort in the local population between 1980 and 2018.
Biggeri, A., et al. (2024).
Environmental Health: A Global Access Science Source 23(1 C7 – 42).
© The Author(s) 2024.
Method And Apparatus For Separation Of A Substance From Water
April 11, 2024 | #patent
A method and apparatus is disclosed for separating an amount of an amphiphilic contaminant substance such as PFAS from water. The method comprising the steps of admitting the water which contains the substance into a flotation cell chamber, and then introducing a flow of gas thereinto. The gas is introduced by several different apparatus options for efficient aeration of the chamber, depending on the water being treated. The introduced gas produces a froth layer which is formed at, and which rises above, an interface with the contents of the chamber.
Pfas isolator column scouting
April 11, 2024 | #patent
Provided herein is a method and system for PFAS analysis using a liquid chromatography technique that employ a first column (e.g., an isolator column) and a second column (e.g., an analytical column), wherein at least one of the first column, the second column, or both the first and second columns include mixed mode with anion exchange surface chemistry. The devices and methods provided herein are useful for improving the efficiency and/or sensitivity of systems implementing liquid chromatography for PFAS analysis.
Publication of US EPA national threshold values
April 10, 2024 | #regulation
The Biden-Harris administration is finalising the first-ever national drinking water standard to protect 100 million people from PFAS pollution.
"Removal of per- and polyfluoroalkyl substances and organic fluorine from sewage sludge and sea sand by pyrolysis
March 27, 2024 | #scientificreport
Pyrolysis is one method for treating sewage sludge, particularly in remote areas or decentralised systems. The end product of pyrolysis, sludge-char, can serve as a soil improver. However, there is a lack of comprehensive data on the organic pollutants’ behaviour in sludge-char. In our work, we focused on the behaviour of per- and polyfluoroalkyl substances (PFASs).) © The Author(s) 2024.
Hušek, M., et al. (2024).
Biochar 6(1 C7 – 31).
Publication of the first consumption limit by the Japanese government: 20 ng/kgbw/d for PFOS and PFOA
March 8, 2024 | #regulation
Last month, the Japanese Food Safety Commission published a draft report on the daily intake limit for PFAS, a group of fluorinated chemicals recently linked to a series of health problems such as cancer and pregnancy complications.
Accurate Enthalpies of Formation for PFAS from First-Principles: Combining Different Levels of Theory in a Generalized Thermochemical Hierarchy
February 27, 2024 | #regulation
The enthalpies of formation are computed for a large number of per- and poly fluoroalkyl substances (PFAS) using a connectivity-based hierarchy (CBH) approach. A combination of different electronic structure methods are used to provide the reference data in a hierarchical manner. The ANL0 method, in conjunction with the active thermochemical tables, provides enthalpies of formation for smaller species with subchemical accuracy
Abeywardane, K. and C. F. Goldsmith (2024).
ACS Phys Chem Au 4(3): 247-258.
Per/Polyfluoroalkyl Substances (PFASs) in a Marine Apex Predator (White Shark, Carcharodon carcharias) in the Northwest Atlantic Ocean
January 14, 2024 | #review
We investigated the accumulation of PFASs in a marine apex predator, the white shark (Carcharodon carcharias). Muscle (N = 12) and blood plasma (N = 27) samples were collected from 27 sharks during 2018-2021 OCEARCH expeditions along the eastern coast of North America from Nova Scotia to Florida.
Marciano, J., et al. (2024).
ACS Environ Au 4(3): 152-161.
Application of limit values for pfas in foodstuffs
January 1, 2024 | #regulation
PFOS, PFOA, PFNA and PFHxS are or have been used in many industrial and commercial applications. Their frequent use, combined with their persistence in the environment, has led to widespread environmental contamination. Contamination of foodstuffs by perfluoroalkyl substances is mainly due to their bioaccumulation in aquatic and terrestrial food chains.
A Zwitterionic Hydrogel-Based Heterogeneous Fenton Catalyst for Water Treatment
November 28, 2024 | #regulation
Persistent organic pollutants (POPs), including xenoestrogens and polyfluoroalkyl substances (PFAS), demand urgent global intervention. Fenton oxidation, catalyzed by iron ions, offers a cost-effective means to degrade POPs. However, numerous challenges like acid dependency, catalyst loss, and toxic waste generation hinder practical application.
Gokhale, D., et al. (2024).
Small: e2402525.