Perfluorononanoic acid (PFNA)
Hardyston Township Municipal Utilities Authority
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 | ND | 8 | 0 | ND |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 2 | 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 |
|---|---|---|
| 2019-02-20 | L7106060-1 | ND |
| 2019-03-06 | L7108098-1 | ND |
| 2019-06-11 | L7130720-3 | ND |
| 2019-06-11 | L7130720-1 | ND |
| 2019-08-20 | L7155644-1 | ND |
| 2019-08-20 | L7155646-1 | ND |
| 2019-11-21 | L7175227-1 | ND |
| 2019-12-19 | L7178551-1 | ND |
| 2020-03-19 | 4592810 | ND |
| 2020-03-20 | 4594918 | ND |
| 2020-06-03 | 4642975 | ND |
| 2020-06-03 | 4642980 | ND |
| 2020-09-16 | 202009240463 | ND |
| 2020-09-16 | 202009240467 | ND |
| 2020-11-19 | 4780917 | ND |
| 2020-11-19 | 4780919 | ND |
| 2021-02-24 | 4843010 | ND |
| 2021-05-25 | 4915337 | ND |
| 2022-02-15 | 810-15048-1 | ND |
| 2022-05-11 | 810-24576-1 | ND |
| 2023-03-21 | 810-57211-1 | ND |
| 2023-06-13 | 810-66151-1 | ND |