A group of 20 scientists warns against attempts to narrow the definition of per- and polyfluoroalkyl substances (Pfas), which are pollutants that resist degradation, nicknamed forever chemicals. These scientists stress that redefining Pfas could weaken regulations and allow harmful subgroups to be excluded. Recent discussions within the International Union of Pure and Applied Chemistry (IUpac) have suggested a new classification, raising concerns among those advocating for stringent controls on these toxic substances. The scientists argue the current definition is crucial for effective regulation and protection of public health.
A narrow definition of Pfas may undermine regulations intended to safeguard public health and the environment from the dangers posed by these harmful chemicals.
Attempts to redefine Pfas are politically and economically motivated, risking the exclusion of crucial chemical subgroups and potentially endangering many communities.
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