TERA Environment takes action to address PFAS monitoring challenges
Analysis of PFAS (per- and polyfluoroalkyl substances): ongoing developments since 2024
Since we launched our PFAS testing in 2024, our expertise has continued to grow.
We are constantly improving our methods to provide analyses that are increasingly accurate and reliable.
TERA Environnement attended the PFAS congress, organized by WEBS-EVENT in Paris from June 16 to 19, 2026
TERA Environnement’s teams participated in the PFAS congress organized by WEBS-EVENT in Paris, a must-attend event bringing together experts, manufacturers, local governments, and environmental monitoring professionals to discuss issues related to per- and polyfluoroalkyl substances (PFAS).
TThe event provided an opportunity to discuss regulatory developments, analytical challenges, and monitoring solutions that can help better characterize the presence of these persistent compounds in the environment.
On this occasion, Marie-Joe Akiki presented the initial findings titled “Real-Time Calibration Using PTR-ToF-MS and Flow-Through Tube Measurements of PFAS Emissions from Consumer Products” from her ongoing thesis, which is co-funded by TERA Environnement and conducted at the Laboratoire de Chimie de l’Environnement (Aix Marseille Université).
Recognized expertise in measuring PFAS in the air
Against the backdrop of increasingly stringent environmental monitoring requirements, TERA Environnement is able to perform PFAS analysis in outdoor ambient air and atmospheric deposition using LC-MS/MS.
The laboratory obtained COFRAC Essais* accreditation in September 2025, thereby guaranteeing the reliability and quality of the results it produces and making TERA Environnement the first French laboratory to be accredited in these fields.
*COFRAC Testing Accreditation 1-5598; scope available at https://www.cofrac.fr/en/
The laboratory also offers PFAS analysis in indoor air and soil gases, demonstrating its versatility across various gaseous matrices and its ability to address a wide range of environmental issues.
These services help manufacturers, AASQAs, local governments, and engineering firms assess the environmental impact of their activities and meet the growing regulatory requirements regarding PFAS.
An expanded offering thanks to our partnership with TOXILABO
In addition to outdoor ambient air and atmospheric deposition, TERA Environnement draws on the expertise of its Nantes-based laboratory, TOXILABO, to offer PFAS analyses in other matrices: stack emission, workplace air, and biological fluids (blood).
This complementary approach allows us to address a wide range of PFAS characterization needs and to offer our clients comprehensive expertise in measuring, monitoring, and understanding PFAS transport across various environmental compartments.
PFAS currently under scrutiny… and those that affect your business
The list of PFAS to be tested for may be based on:
- the 20 PFAS listed in the June 20, 2023, water regulation,
- The 49 PFAS listed in OTM-45 (XP X 43-126)
- the 51 PFAS by combining these two lists
Here are the details of the PFAS on each of these lists:
PFAS: Order of June 20, 2023—Main List
Perfluoroalkylcarboxylic acids (PFCAs)
Perfluorobutanoic acid (PFBA) – CAS : 375-22-4
Perfluoropentanoic acid (PFPeA) – CAS : 2706-90-3
Perfluorohexanoic acid (PFHxA) – CAS : 307-24-4
Perfluoroheptanoic acid (PFHpA) – CAS : 375-85-9
Perfluorooctanoic acid (PFOA) – CAS : 335-67-1
Perfluorononanoic acid (PFNA) – CAS : 375-95-1
Perfluorodecanoic acid (PFDA) – CAS : 335-76-2
Perfluoroundecanoic acid (PFUnDA or PFUnA) – CAS : 2058-94-8
Perfluorododecanoic acid (PFDoDA or PFDoA) – CAS : 307-55-1
Perfluorotridecanoic acid (PFTrDA) – CAS : 72629-94-8
Perfluorinated sulfonic acids (PFSAs) :
Perfluoro-1-butanesulfonic acid (PFBS) – CAS : 375-73-5
Perfluoro-1-pentanesulfonic acid (PFPeS) – CAS : 2706-91-4
Perfluoro-1 -hexanesulfonic acid (PFHxS) – CAS : 355-46-4
Perfluoro-1-heptanesulfonic acid (PFHpS) – CAS : 375-92-8
Perfluoro-1-octanesulfonic acid (PFOS) – CAS : 1763-23-1
Perfluoro-1-nonanesulfonic acid (PFNS) – CAS : 68259-12-1
Perfluoro-1-decanesulfonic acid (PFDS) – CAS : 335-77-3
Perfluoroundecanesulfonic acid (PFUnDS ) – CAS : 749786-16-1
Perfluorododecane sulfonate (PFDoS or PFDoDS) – CAS : 79780-39-5
Perfluorotridecanesulfonic acid (PFTrDS ) – CAS : 791563-89-8
PFAS OTM-45 / XP X43-126
Perfluoroalkylcarboxylic acids (PFCAs) :
Perfluorobutanoic acid (PFBA) – CAS : 375-22-4
Perfluoropentanoic acid (PFPeA) – CAS : 2706-90-3
Perfluorohexanoic acid (PFHxA) – CAS : 307-24-4
Perfluoroheptanoic acid (PFHpA) – CAS : 375-85-9
Perfluorooctanoic acid (PFOA) – CAS : 335-67-1
Perfluorononanoic acid (PFNA) – CAS : 375-95-1
Perfluorodecanoic acid (PFDA) – CAS : 335-76-2
Perfluoroundecanoic acid (PFUnDA or PFUnA) – CAS : 2058-94-8
Perfluorododecanoic acid (PFDoDA or PFDoA) – CAS : 307-55-1
Perfluorotridecanoic acid (PFTrDA) – CAS : 72629-94-8
Perfluorotetradecanoic acid (PFTeDA or PFTeA ) – CAS : 376-06-7
Perfluorohexadecanoic acid (PFHxDA) – CAS : 67905-19-5
Perfluorooctadecanoic acid (PFODA) – CAS : 16517-11-6
Perfluorinated sulfonic acids (PFSAs) :
Perfluoro-1-butanesulfonic acid (PFBS) – CAS : 375-73-5
Perfluoro-1-pentanesulfonic acid (PFPeS) – CAS : 2706-91-4
Perfluoro-1 -hexanesulfonic acid (PFHxS) – CAS : 355-46-4
Perfluoro-1-heptanesulfonic acid (PFHpS) – CAS : 375-92-8
Perfluoro-1-octanesulfonic acid (PFOS) – CAS : 1763-23-1
Perfluoro-1-nonanesulfonic acid (PFNS) – CAS : 68259-12-1
Perfluoro-1-decanesulfonic acid (PFDS) – CAS : 335-77-3
Perfluorododecane sulfonate (PFDoS or PFDoDS) – CAS : 79780-39-5
Perfluorinated sulfonamides (FOSAs) :
Perfluoro-1-octanesulfonamide (FOSA) – CAS : 754-91-6
N-Methylperfluorooctanesulfonamide (N-MeFOSA) – CAS : 31506-32-8
N-ethylperfluorooctanesulfonamide (N-EtFOSA) – CAS : 4151-50-2
2-(N-methylperfluoro-1-octanesulfonamido)-ethanol (N-MeFOSE) – CAS : 24448-09-7
2-(N-ethylperfluoro-1-octanesulfonamido)-ethanol – CAS : 1691-99-2
N-methyl perfluorooctanesulfonamidoacetic acid (N-MeFOSAA) – CAS : 2355-31-9
N-ethyl perfluorooctanesulfonamidoacetic acid (N-EtFOSAA) – CAS : 2991-50-6
Fluorotelomer sulfonates (FTS) :
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS or 4:2 FTSA) – CAS : 757124-72-4
1H,1H,2H,2H -Perfluorooctane sulfonic acid (6:2 FTS or 6:2 FTSA) – CAS : 27619-97-2
1H,1H,2H,2H -Perfluorodecane sulfonic acid (8:2 FTS or 8:2 FTSA) – CAS : 39108-34-4
1H,1H,2H,2H-perfluorododecane sulfonate (10:2 FTS or 10:2 FTSA) – CAS : 120226-60-0
Fluorinated Replacement Chemicals:
4,8-Dioxa-3H-perfluorononanoic acid (DONA or ADONA) – CAS : 919005-14-4
Hexafluoropropylene Oxide Dimer Acid (HFPO-DA (Gen X)) – CAS : 13252-13-6
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS (F-38B majeur)) – CAS : 756426-58-1
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS (F-53B mineur)) – CAS : 763051-92-9
Additional Targets:
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) – CAS : 151772-58-6
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA) – CAS : 113507-82-7
Perfluoro-4-methoxybutanoic acid (PFMBA) – CAS : 863090-89-5
Perfluoro-3-methoxypropanoic acid (PFMPA) – CAS : 377-73-1
Decafluoro-4-(pentafluoroethyl)cyclohexanesulfonate) (PFecHS) – CAS : 67854-42-3
2H-perfluoro-2-decenoic acid (8:2 FTUCA or 8:2 FOUEA) – CAS : 70887-84-2
2-perfluorodecyl ethanoic acid (10:2 FTCA or 10:2 FDEA) – CAS : 53826-13-4
2-perfluorooctyl ethanoic acid (8:2 FTCA or 8:2 FOEA) – CAS : 27854-31-5
2H-perfluoro-2-octenoic acid (6:2 FTUCA or 6:2 FHUEA) – CAS : 70887-88-6
2-perfluorohexyl ethanoic acid (6:2 FTCA or 6:2 FHEA) – CAS : 53826-12-3
3:3 Fluorotelomer carboxylic acid (3:3 FTCA or FPrPA) – CAS : 356-02-5
5:3 Fluorotelomer carboxylic acid (5:3 FTCA or FPePA) – CAS : 914637-49-3
7:3 Fluorotelomer carboxylic acid (7:3 FTCA or FHpPA) – CAS : 812-70-4
TERA Environnement also offers analysis of volatile PFAS, such as:
- 1H,1H,2H,2H-Perfluoro-1-octanol or 6:2 FTOH (CAS 647-42-7)
- 1H,1H,2H,2H-perfluoro-1-decanol or 8:2 FTOH (CAS 678-39-7)
- Trifluoroacetic acid or TFA (CAS 76-05-1)
The laboratory can also analyze other per- and polyfluoroalkyl substances that are not included in the “standard” lists but are of interest to its clients.
Supporting stakeholders in addressing PFAS challenges
TERA Environnement is committed to staying abreast of scientific, technical, and regulatory developments related to PFAS, including the development of analytical methods, participation in technical events and standards committees, and more. Thanks to our recognized analytical expertise and leading partnerships, we continue to develop solutions tailored to the growing needs for monitoring and managing these emerging pollutants.
Stay tuned for our latest news so you don’t miss out on our upcoming analytical developments!
Would you like to learn more about our PFAS air analysis services? Contact our teams to discuss your project and your environmental monitoring needs.
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TERA Environnement has over 20 years of experience in air testing and contamination control!
