Is there an EPA method for analysis of PFOA and PFOS in wastewater? - WKB239393

ENVIRONMENT

• Solid-phase extraction (SPE)
• PFOS/PFOA
• EPA method 1663

ANSWER

The analysis of PFOS and PFOA in wastewater can be particularly problematic. In 2021, the EPA  developed draft guidelines under EPA 1663. Follow the attached link to the EPA website and access to the draft method and the most recent updates.  

  EPA Wastewater draft method 1663 and background
 

ADDITIONAL INFORMATION

The draft method references the following Waters consumable products or equivalents:

1) For Sample Prep - Waters Oasis WAX - 186009345, 186004835, and WAT200607

2) Analytical Column - C18 column, 1.7 µm, 50 x 2.1 mm (Waters ACQUITY UPLC BEH - 186002350)

3) Equivalent polypropylene vials, 700µL (186005230) 

4) Equivalent filters, 25mm 0.2µm, nylon membrane (WAT200522)

5) Equivalent glass fiber filters, 47mm, 1µm (WAT200818)

For additional information, see Oasis WAX for PFAS Analysis.