EPAProposed Rule
N-(1,3-Dimethylbutyl)-N′-phenyl-pphenylenediamine (6PPD) and its transformation product, 6PPDquinone; Regulatory Investigation under the Toxic Substances Control Act (TSCA); Extension of the Comment Period
EnvironmentHealthcareTransportation
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Summary
The EPA is investigating a chemical called 6PPD, which is used in rubber tires to keep them from wearing out too quickly. The agency wants to understand if this chemical and its breakdown product pose health or environmental risks, and is giving the public more time to share information and concerns about it.
Key Points
- 16PPD is a chemical additive used in car and truck tires to extend their lifespan and improve performance
- 2The EPA is concerned about 6PPDquinone, which is created when 6PPD breaks down in the environment, particularly in water
- 3The agency extended the deadline for public comments so more people and companies can submit evidence about whether this chemical is safe
- 4This investigation could eventually lead to restrictions on how 6PPD is used or requirements for safer alternatives in tire manufacturing
- 5The findings may affect tire manufacturers and potentially consumers through changes in tire products and costs
Key Dates
Published
January 17, 2025
This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.
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