PFAS Testing
Per- and Polyfluoroalkyl Substances (PFAS)
PFAS are a group of manufactured chemicals that has been used in industry and consumer products since the 1940s.
​
Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic (PFOS), for example, are two of the most widely used and studied chemicals in the PFAS group.
​
One common characteristic of concern of PFAS is that many break down very slowly and can build up in people, animals, and the environment over time.
On April 10, 2024, US EPA announced the final National Primary Drinking Water Regulation (NPDWR) for six PFAS mentioned below:
Compound | Final MCLG | Final MCLG (enforceable levels) |
|---|---|---|
PFOA | Zero | 4.0 parts per trillion (ppt) (also expressed as ng/L) |
PFOS | Zero | 4.0 ppt |
PFHXS | 10 ppt | 10 ppt |
PFNA | 10 ppt | 10 ppt |
HFPO-DA (commonly known as GenX Chemicals) | 10 ppt | 10 ppt |
Mixtures containing two or more of PFHXS, PFNA, HFPO-DA, and PFBS | 1 (unitless)
Hazard Index | 1 (unitless)
Hazard Index |
People Are Exposed to PFAS in a Variety of Ways
Surveys conducted by the Centers for Disease Control and Prevention (CDC) show that most people in the United States have been exposed to some PFAS. Most known exposures are relatively low, but some can be high, particularly when people are exposed to a concentrated source over long periods of time. ​
Research has shown that people are exposed to PFAS by:
-
Working in occupations such as firefighting, or chemicals manufacturing, and processing plant.
-
Drinking water.
-
Eating certain foods, such as fish.
-
Breathing air, soil, or dust containing PFAS.
-
Using products made with PFAS, or that are packaged in materials containing PFAS.
Enviro Labs, LLC is accredited to analyze below list of compounds by CA-ELAP.
Acronym | Analyte | CAS Number | EPA 533 | EPA 537 1 |
|---|---|---|---|---|
PFTA | Perfluorotetradecanoic acid | 376-06-7 | X | |
PFTrDA | Perfluorotridecanoic acid | 72629-94-8 | X | |
NEtFOSAA | N-ethyl perfluorooctanesulfonamidoacetic acid | 2991-50-6 | X | |
NMeFOSAA | N-methyl perfluorooctanesulfonamidoacetic acid | 2355-31-9 | X | |
PFDoA | Perfluorododecanoic acid | 307-55-1 | X | X |
11CI-PF30UdS | 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid | 763051-92-9 | X | X |
PFUnA | Perfluoroundecanoic acid | 2058-94-8 | X | X |
PFDA | Perfluorodecanoic acid | 335-76-2 | X | X |
8:2FTS | 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid | 739108-34-4 | X | |
9CI-PF3ONS | 9-chlorohexadecafluoro-3-oxanone-1-sulfonic acid | 56426-58-1 | X | X |
PFOS | Perfluorooctanesulfonic acid | 1763-23-1 | X | X |
PFNA | Perfluorononanoic acid | 375-95-1 | X | X |
PFHpS | Perfluoroheptanesulfonic acid | 375-92-8 | X | |
PFOA | Perfluorooctanoic acid | 335-67-1 | X | X |
6:2 FTS | 1H,1H, 2H, 2H-Perfluorooctane sulfonic acid | 27619-97-2 | X | |
ADONA | 4,8-dioxa-3H-perfluorononanoic acid | 919005-14-4 | X | X |
PFHxS | Perfluorohexanesulfonic acid | 355-46-4 | X | X |
PFHpA | Perfluoroheptanoic acid | 375-85-9 | X | X |
HFPO-DA | Hexafluoropropylene oxide dimer acid | 13252-13-6 | X | X |
PFPeS | Perfluoropentanesulfonic acid | 2706-91-4 | X | |
PFHxA | Perfluorohexanoic acid | 307-24-4 | X | X |
4:2FTS | 1H,1H, 2H, 2H-Perfluorohexane sulfonic acid | 757124-72-4 | X | |
NFDHA | Nonafluoro-3,6-dioxaheptanoic acid | 1151772-58-6 | X | |
PFEESA | Perfluoro(2-ethoxyethane)sulfonic acid | 13507-82-7 | X | |
PFMBA | Perfluoro-4-methoxybutanoic acid | 863090-89-5 | X | |
PFBS | Perfluorobutanesulfonic acid | 375-73-5 | X | X |
PFPeA | Perfluoropentanoic acid | 2706-90-3 | X | |
PFMPA | Perfluoro-3-methoxypropanoic acid | 377-73-1 | X | |
PFBA | Perfluorobutanoic acid | 375-22-4 | X |