EPA Flags Unreasonable Risk from D4 in Industrial and Environmental Use
EPA draft risk evaluation finds octamethylcyclotetrasiloxane (D4) poses significant risks to workers and aquatic life, signalling regulatory change for industry.
In a significant move to safeguard public health and the environment, the U.S. Environmental Protection Agency (EPA) today announced the introduction of a cutting-edge methodology designed to detect per- and polyfluoroalkyl substances (PFAS) in plastic containers. This development offers a crucial tool for both the EPA and industries relying on high-density polyethylene (HDPE) containers, enhancing efforts to identify and mitigate PFAS contamination.
Innovating Safety: New Detection Method Unveiled
The newly established method is poised to significantly bolster the EPA's PFAS Strategic Roadmap, underscoring a deep-seated commitment to leveraging scientific advancements and research to pre-emptively curtail the entry of these hazardous chemicals into our surroundings.
A Proactive Stance on PFAS
The EPA's journey to address PFAS contamination in mosquitocide containers commenced in September 2020, following the discovery of potential PFAS presence. Subsequent actions have included:
- The March 2021 release of data preliminarily indicating that PFAS could form and leach into pesticide products through chemical reactions during the fluorination process of containers.
- A September 2022 study exploring the leaching potential of PFAS from fluorinated HDPE containers into various solutions over time.
- Alerting stakeholders about the potential TSCA violations due to PFAS by-products in fluorinated HDPE containers and similar plastics.
Legal and Regulatory Actions
In a pivotal move, the Department of Justice, representing the EPA, has initiated legal proceedings against Inhance Technologies for its failure to adhere to TSCA's stringent pre-manufacture requirements. Moreover, in December 2023, the EPA mandated Inhance under TSCA section 5 to halt the production of long-chain PFAS, a byproduct of manufacturing fluorinated HDPE containers.
A Leap Forward in Detection Technology
The novel method allows for the accurate detection and quantification of 32 PFAS compounds directly from the container walls, boasting sensitivity to as low as 0.002 parts-per-billion. By making this technique publicly available, the EPA empowers industries to proactively test HDPE containers for PFAS, thereby preventing the contamination of pesticides and other substances.
Wider Applicability
The implications of this breakthrough extend far beyond pesticides, offering potential for application in testing fabrics, packaging papers, and other solid materials for PFAS contamination.
As the EPA continues to fortify its arsenal against PFAS pollution, this latest methodology marks a significant stride towards ensuring the safety and purity of consumer products and the broader environment.
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