Firefighting Chemicals Are Dangerous for the Environment. Can That Change?

In the early 2000s, chemical companies started phasing out early PFAS called PFOS and PFOA, replacing them with ostensibly less-bad alternatives. Newer “short-chain” PFAS are different than their predecessors on a molecular level, so existing research about risks did not as clearly apply. Many municipalities didNow, it appears many of the newer PFAS are still. Many fire departments will have to replace AFFFs again, this time with non-PFAS foams.

” are common. Vaughn’s skepticism toward the contents of her drone is warranted: The same thing could easily happen again.Reasonable people might expect chemical regulation to work something like drug approvals. To release drugs companies must first run—and pay for—study after study to clarify any side effects. For the U.S. chemical industry, for a long time, the process was

. For decades, most new chemicals entered the market with no required safety testing and no formal review by the U.S. EPA.Under the 1976 Toxic Substances Control Act, chemicals were assumed safe until proved dangerous. The EPA had limited power even to request data. Once it understood health risks, it had to weigh them against financial costs. When the EPA banned asbestos in 1989, manufacturers sued to weaken the ban and won.Now, there is a glimmer of change.

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