The ECHA makes its case
Authorities from Denmark, Germany, the Netherlands, Norway and Sweden prepared the proposed restrictions in an 1,800-page document known formally as a dossier. The Helsinki-based ECHA published the proposal in February, and the six-month consultation period began March 22.
The premise in including the broad range of 10,000 of the PFAS materials is that, if their releases aren't minimized, people, plants and animals increasingly will be exposed. And, without a restriction, the PFAS levels will have negative effects on people's health and the environment.
They estimate that over 30 years, about 4.4 million metric tons of PFASs would end up in the environment if no action is taken.
"This landmark proposal by the five authorities supports the ambitions of the [European Union's] Chemicals Strategy and the Zero Pollution Action Plan," Peter van der Zandt, ECHA director for risk assessment, said when the proposal was published. "Now, the scientific committees will start their evaluation and opinion forming. While the evaluation of such a broad proposal with thousands of substances, and many uses, will be challenging, we are ready."
During a webinar in early April, representatives of the teams that put together the proposal, which falls under the EU's REACH Regulation, outlined the reasoning for targeting PFAS, what forms such a ban might take and what the next steps are in the process.
In its simplest terms, the proposal bans the manufacture, marketing and use of PFASs above set limits, in combination with other substances or in mixtures as well as in articles.
The common element among the PFASs covered in the dossier is the fluorine-carbon bond, one of the strongest bonds in organic chemistry, according to Wiebke Drost of the German Environment Agency and a member of the ECHA PFAS Restriction Committee.
Once released, he said PFAS materials can remain in the environment for decades, even centuries.
"All PFASs in this proposal are either very persistent themselves or degrade into very persistent PFASs in the environment," he said during the webinar. "Persistence is our main concern. PFAS can be transported by air, water or sediment. It is not geographically limited and can be found in remote areas."
Drost said that if levels of PFAS continue to accumulate, safe levels of PFAS will be exceeded and "adverse effects on humans and the environment will be inevitable."
Thijs de Kort, of the National Institute for Public Health and the Environment in the Netherlands, said the PFAS dossier is the broadest restriction ever proposed under REACH.
A complete ban would result in a 96 percent reduction in emissions over 30 years.
"If no action is taken, the societal cost will exceed the cost of putting forth this ban," he said.
The PFAS proposal carries two options, the first being a full ban that would take effect 18 months after the restriction is put into law.
The second would include some time-limited, use-specific derogations. Those delays would be either for five years-or six-and-a-half-years, counting the first 18 months — or 12 years, which would be 13-and-a-half years in total.
There also are five areas within the grouping that may be granted "time-unlimited derogations."
"We propose option two as the most appropriate option, based on the analysis of alternatives and socio-economic options," de Kort said.
If no alternatives are found for the time-limited materials, the ban would still apply.
During the six-month open comment period, ECHA committees for Risk Assessment and for Socio-Economic Analysis will conduct their evaluations. Sometime in 2024, opinions will be gathered, along with the dossier, and sent to the European Commission for consideration. Then the document goes on to the REACH Committee and, in whatever final form is approved, the restriction would take effect, likely toward the second half of 2027.