Perfluorononanoic acid (PFNA)
Suez Water New Jersey Lambertville
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 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | 0.275 ppt | 4 | 1 | ND - 1.10 ppt |
| 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 |
|---|---|---|
| 2020-03-03 | L7191380-1 | ND |
| 2020-04-01 | L7195808-1 | ND |
| 2020-07-07 | 630-2161-1 | ND |
| 2021-01-20 | 1012208-01 | ND |
| 2021-02-03 | 1020511-01 | ND |
| 2021-05-05 | 1050712-01 | ND |
| 2021-08-04 | 1080607-01 | ND |
| 2021-11-17 | 21K1917-01 | ND |
| 2022-02-16 | 012202626-0001 | ND |
| 2022-05-04 | 012207190-0001 | 1.10 ppt |
| 2022-08-17 | 012250659-0001 | ND |
| 2022-11-02 | 012252337-0001 | ND |
| 2023-02-01 | 012350825-0001 | ND |
| 2023-05-03 | 012355121-0001 | ND |
| 2023-09-28 | 012362848 | ND |
| 2023-11-01 | 012364764 | ND |