PolicyBrief
S. 4325
119th CongressApr 16th 2026
6PPD Task Force Act
IN COMMITTEE

This Act establishes a Task Force to study the environmental impacts of the tire chemical 6PPD and accelerate the development and adoption of safer alternatives.

Jeff Merkley
D

Jeff Merkley

Senator

OR

LEGISLATION

New Task Force to Tackle Tire Chemical Harming Salmon: What It Means for Your Commute and the Environment

Alright, let's talk tires and salmon. You might not think those two things go together, but a new piece of legislation, the 6PPD Task Force Act, is connecting them directly. This bill sets up a dedicated task force to dig into a chemical called 6PPD, which is in every single car, military, and aircraft tire out there. Its job is to keep your tires from falling apart too fast, which is obviously a good thing for safety.

The catch? When 6PPD hits the air or ozone, it breaks down into something nastier: 6PPD-Q. This stuff then washes off roads with stormwater runoff and, as the bill points out, is "acutely toxic to adult and juvenile coho salmon." So, this task force is all about finding a way to keep our tires safe and our fish healthy. It's a classic modern problem: something essential for our daily lives having an unintended, not-so-great side effect on the environment.

The Nitty-Gritty: What This Task Force Will Actually Do

Within 60 days of this bill becoming law, the Secretary of Transportation, teaming up with the EPA, is tasked with getting the National Academy of Sciences to assemble this 6PPD Task Force. Think of it as a brain trust for this specific chemical conundrum. Their main gig, as laid out in Section 4(b), is to improve data sharing among federal agencies, researchers, and local governments about 6PPD's impact on aquatic species, human health, and the environment. Basically, everyone needs to be on the same page about what we're dealing with.

They're also going to be hunting down federal funding opportunities for anyone — from universities to tire manufacturers — who wants to research 6PPD's effects or, more importantly, develop safer alternatives. And don't worry, they're not just going to talk about it; they'll be making recommendations in an annual report on how to speed up the testing and adoption of these safer alternatives. This isn't just about fish; Section 3 explicitly states that finding an alternative has "implications for national security, domestic supply chains, and environmental and human health," highlighting the bigger picture here.

Who's At the Table?

This isn't just a bunch of bureaucrats in a room. The task force, as detailed in Section 4(c), is designed to be pretty diverse. You'll have folks from the Departments of Transportation, Agriculture, Health and Human Services, EPA, and other federal agencies. Crucially, it'll also include at least four representatives from Tribal governments on the western U.S. coast, who have direct knowledge of how 6PPD impacts coho salmon. This is a smart move, bringing in voices from communities directly affected.

But it's not just government and tribes. The private sector gets a seat too, with at least two reps from the tire manufacturing industry and two from the chemical additive industry. This ensures that the folks who actually make the tires and the chemicals are part of the solution. Plus, there will be at least one environmental community representative, state government reps with active 6PPD mitigation programs, and university researchers. It's a broad coalition, which means lots of perspectives, but hopefully, also a more robust solution.

Real-World Impacts and What's Next

So, what does this mean for you? If you drive a car (which, let's be real, most of us do), this task force is working to ensure that the tires keeping you safe on the road aren't inadvertently harming the environment. For those who care about clean waterways or the health of aquatic ecosystems, this bill is a direct step towards addressing a known pollutant. The task force will also be looking into non-tire pathways for 6PPD exposure, like its use in artificial turf or playground materials, as mentioned in Section 4(b)(5). This means they're thinking beyond just cars and considering other places this chemical might pop up.

They're also tasked with sharing best practices for things like street sweeping and stormwater runoff treatment (Section 4(b)(4)), which could lead to cleaner local waterways and healthier environments in your community. Within 180 days of the law's enactment, and annually thereafter, the task force has to report its findings and recommendations, and these reports will be made public (Section 4(e)). This means transparency and accountability, which is always a good thing when tackling complex environmental and industry challenges.