SGS, the leading expert in PFAS analysis, has successfully completed the multi-laboratory validation of the EPA 1633 method, marking a significant milestone for both the company and the entire environmental testing industry. This accomplishment solidifies EPA 1633 as the comprehensive reference method for analyzing PFAS in non-potable aqueous, solid and tissue samples.
The successful validation demonstrates that the EPA 1633 method, developed by SGS, is robust and can be effectively performed across multiple laboratories, ensuring reliability and consistency in testing results.
The finalization of the EPA 1633 method brings several important updates and benefits.
The method specifications for solids and tissues have been finalized, complementing the previously completed specifications for aqueous samples outlined in Draft 4. This ensures consistency and clarity in testing protocols, giving confidence in the accuracy of results.
Although the final version of EPA 1633 now supersedes all previous versions, the process of updating accreditations to align with this standard will take time. SGS is proactively leading this effort, with our Orlando and SGS AXYS Sidney, BC laboratories already updating their accreditations to EPA 1633. The Dayton laboratory is expected to follow in the next quarter. Major data users, including the US Department of Defense, have recognized the minor differences and are providing flexibility in the accreditation transition process, allowing ample time for compliance.
For National Pollutant Discharge Elimination System (NPDES) permitting purposes, the requirement for laboratory duplicates has been eliminated, simplifying the testing process without sacrificing accuracy. Additionally, consistent with other isotope dilution 1600 series methods, MS/MSDs are no longer required, further streamlining laboratory operations.
After the finalization of the EPA 1633 method, several procedural updates and increased performance-based flexibilities have been introduced:
SGS remains committed to providing industry-leading environmental testing services, and the finalization of the EPA 1633 method is a testament to our dedication to excellence and innovation in PFAS analysis.
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