Perfluorononanoic acid (PFNA)
Bridgman
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 | 3 | 0 | ND |
| 2019 | ND | 13 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 13 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-07-19 | SWIN1807191030GGA | ND |
| 2018-07-19 | SWEF1807191020GGA | ND |
| 2018-07-19 | SWEF1807191020GGA | ND |
| 2019-04-24 | SWEF1904241115KER | ND |
| 2019-04-24 | SWEF1904241115KER | ND |
| 2019-04-24 | SWIN1904241110KER | ND |
| 2019-05-28 | SWIN1905291110KER | ND |
| 2019-05-29 | SWEF1905291115KER | ND |
| 2019-06-26 | SWIN1906261110KER | ND |
| 2019-06-26 | SWEF1906261120KER | ND |
| 2019-07-22 | SWIN1907221250GSC | ND |
| 2019-07-22 | SWEF1907221255GSC | ND |
| 2019-08-28 | SWIN1908281400GGA | ND |
| 2019-08-28 | SWEF1908281405GGA | ND |
| 2019-09-26 | SWEF1909261400KME | ND |
| 2019-09-26 | SWIN1909261355KME | ND |
| 2021-01-19 | SWIN2101191025RG | ND |
| 2021-01-20 | LLJ42164 | ND |
| 2021-01-20 | LJ42164 | ND |
| 2021-03-11 | SWIN2103111135RG | ND |
| 2021-05-20 | SWIN2105201020GSC | ND |
| 2021-06-16 | LLJ61976 | ND |
| 2021-06-16 | ND | |
| 2021-07-19 | SWIN2107191030GGA | ND |
| 2021-09-07 | SWIN2109070950GSC | ND |
| 2021-09-14 | LJ78494 | ND |
| 2021-09-14 | ND | |
| 2021-11-17 | ND | |
| 2021-11-17 | LJ89244 | ND |
| 2022-02-10 | LJ99593 | ND |
| 2022-02-10 | ND | |
| 2023-06-22 | ND |