This application note highlights the sample extraction for non-potable aqueous samples in EPA Method 1633 using a dual-phase, or bilayer cartridge: Oasis WAX/GCB for PFAS Analysis meeting the method acceptance criteria and displa...
1 At the time of writing this document, Method 1633 is in the 4th Draft Phase with the final version expected to be released at the end of 2023.2 By the final release of EPA 1633, it will have been multi-lab validated fo...
Based on the scientific evidence and comments considered, EPA Administrator Lisa P. Jackson signed the final rule that would change the current standard primarily by lowering the annual health-based ("primary") standard for fine particles smaller than 2.5 microns (PM2.5). In the final rule, the...
1 United States Environmental Protection Agency. Method1633 Analysis of Per- and Polyfluoroalkyl Substances (PFAS)in Aqueous, Solid, Biosolids, and Tissue Samples by LC-MS/MS, Revision 1, January, 2024. https://www.epa.gov/system/files/documents/2024-01/method-1633-final-for-web-posting.pdf...
US EPA Method 1633 was first introduced in August 2021 to become the foundation method for analysis of PFAS in non-potable water matrices, soils, biosolids, and tissues.1 At the time of the writing of this document, ...