Perfluorononanoic acid (PFNA)
Baldwin, Village of
Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 0 | ND |
| 2020 | ND | 17 | 0 | ND |
| 2021 | ND | 10 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 4 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.006 ppt
The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.
EPA Maximum Contaminant
Level (MCL): 10 ppt
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-19 | GWNT1809190910KER | ND |
| 2018-09-19 | GWNT1809190950KER | ND |
| 2018-09-19 | GWNT1809190940KER | ND |
| 2018-09-19 | GWNT1809190920KER | ND |
| 2019-04-01 | GWNT1904011300GGA | ND |
| 2019-06-24 | GWNT1906240940MK | ND |
| 2019-09-20 | GWNT1909201100MK | ND |
| 2019-12-17 | GWNT1912171000GGA | ND |
| 2020-06-30 | GWNT2006301300GGA | ND |
| 2020-10-07 | ND | |
| 2020-10-07 | GWNT2010070910MK | ND |
| 2020-10-07 | ND | |
| 2020-10-07 | ND | |
| 2020-10-07 | ND | |
| 2020-10-07 | ND | |
| 2020-10-07 | GWNT2010070915MK | ND |
| 2020-10-07 | GWNT2010070930MK | ND |
| 2020-10-07 | LJ27914 PFAS | ND |
| 2020-10-07 | LJ27915 PFAS | ND |
| 2020-10-07 | LJ27933 PFAS | ND |
| 2020-10-07 | LJ27916 PFAS | ND |
| 2020-10-07 | LJ27935 PFAS | ND |
| 2020-12-14 | ND | |
| 2020-12-14 | LJ38760 PFAS | ND |
| 2020-12-14 | GWNT2012140940KEM | ND |
| 2021-02-10 | 2102439-5 PFAS | ND |
| 2021-02-10 | 2102439-1 PFAS | ND |
| 2021-02-10 | 2102439-2 PFAS | ND |
| 2021-02-10 | ND | |
| 2021-02-10 | ND | |
| 2021-02-10 | ND | |
| 2021-02-10 | ND | |
| 2021-02-10 | 2102439-3 FPAS | ND |
| 2021-06-02 | ND | |
| 2021-06-02 | 2106150 PFAS | ND |
| 2022-05-04 | 220528903 PFAS | ND |
| 2022-05-04 | 220528905 PFAS | ND |
| 2022-05-04 | 220528907 PFAS | ND |
| 2022-05-04 | 220528901 PFAS | ND |
| 2022-05-04 | ND | |
| 2022-05-04 | ND | |
| 2022-05-04 | ND | |
| 2022-05-04 | ND | |
| 2023-06-07 | ND | |
| 2023-06-07 | ND | |
| 2023-06-07 | ND | |
| 2023-06-07 | ND |