— FIU RESEARCH • PFAS LABORATORY TESTING
FIU reports a faster PFAS laboratory method. What does it mean for Florida?
Florida International University says a laboratory workflow can reduce PFAS analysis from more than six hours to about 30 minutes. The peer-reviewed paper is a promising analytical-method study—not a new Florida contamination finding, an approved replacement for current drinking-water methods or a rapid home test.
- The method combines automated online solid-phase extraction with liquid chromatography and tandem mass spectrometry.
- The published paper focuses on 37 PFAS in complex wastewater matrices. FIU describes broader testing work and potential drinking-water value, but those claims should not be confused with a certified drinking-water method.
- FIU says independent laboratories must validate the method before water facilities can use it widely.
What did the researchers publish?
The paper in Journal of Chromatography A is titled Rapid quantification of per- and polyfluoroalkyl substances (PFAS) in complex wastewater matrices via online SPE-LC-MS/MS method. Its indexed abstract describes a method for quantifying 37 PFAS. Online solid-phase extraction automates sample preparation before the compounds are separated and measured with laboratory mass-spectrometry equipment.
FIU's October 15 announcement says the combined process reduced analysis time from more than six hours to about 30 minutes, used smaller samples and less solvent, and reduced some manual handling. Those features could help laboratories process more samples efficiently if later validation confirms that the method performs consistently across laboratories and the intended water matrices.
Why could this matter in Florida?
Florida utilities, regulators and researchers face growing demand for PFAS monitoring. A faster validated laboratory method could eventually improve sample throughput and shorten the time between collection and a usable result. FIU also connects the work to South Florida, where the Biscayne Aquifer supplies drinking water and source-water monitoring is important.
The Florida connection is the research team, the regional water context and the potential future monitoring benefit. The study does not report a newly contaminated Florida utility, announce a drinking-water violation or establish a PFAS result for any household.
A 30-minute analytical workflow still requires specialized instrumentation, trained laboratory staff, quality controls and an appropriate sampling method. A hardness strip, TDS meter or standard in-home water demonstration cannot test for PFAS.
Why does the water matrix matter?
Methods are validated for specific sample types because drinking water, wastewater, groundwater, soil and other materials can interfere with analysis in different ways. The paper title and indexed abstract identify complex wastewater matrices. That is valuable work, but it does not by itself establish that the same performance applies to regulatory drinking-water samples.
EPA lists multi-laboratory-validated methods for drinking-water PFAS analysis and separately develops methods for wastewater and other environmental media. A new method must demonstrate accuracy, precision, sensitivity, quality control and consistent performance for its intended use before it can replace an approved regulatory method.
Why do FIU's compound counts need careful wording?
The paper's indexed abstract describes 37 PFAS. FIU's public announcement says the method detected 39 of 40 compounds on an EPA list and that one compound was excluded to protect detection limits for other important targets. Those numbers may reflect different analyte sets or stages of the research, but the accessible sources do not reconcile them.
Florida Tap Report therefore reports the paper's 37-compound scope as the independently indexed study description and attributes the broader 39-of-40 statement to FIU. Neither count should be used to claim that the method measures every PFAS or has already been approved for regulatory drinking-water compliance.
What happens next?
The decisive next step is multi-laboratory validation. Independent laboratories would need to reproduce the method's performance, including detection limits and recovery across relevant sample types. EPA or another standards body would then determine whether and how the method fits a formal monitoring program.
For residents with a location-specific PFAS concern today, the practical sources remain the serving utility's official monitoring results and a qualified laboratory using an appropriate drinking-water method. Boiling does not remove PFAS, and a general home water check does not establish whether PFAS is present.
The bottom line
FIU's research could make PFAS laboratory analysis faster and more efficient. It is a credible Florida research story with potential national value, but the method still needs independent validation and regulatory review. It does not change current drinking-water instructions or prove contamination anywhere in Florida.
Read the current PFAS drinking-water rule context →
Learn how to read a Florida utility water-quality report →
Find your local utility and official report →
Published October 17, 2026 · No corrections posted.
This page will be updated if independent validation, a drinking-water matrix study or a regulatory decision materially changes the method's status.