Perfluorononanoic acid (PFNA)
Passaic Valley Water Commission-postbrook
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 | 2 | 0 | ND |
| 2019 | ND | 11 | 0 | ND |
| 2020 | ND | 12 | 0 | ND |
| 2021 | ND | 12 | 0 | ND |
| 2022 | ND | 12 | 0 | ND |
| 2023 | ND | 12 | 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 |
|---|---|---|
| 2018-11-14 | 4124651 | ND |
| 2018-12-12 | 4148739 | ND |
| 2019-01-03 | 4164439 | ND |
| 2019-02-06 | 4190992 | ND |
| 2019-03-06 | 4218506 | ND |
| 2019-04-03 | 4248013 | ND |
| 2019-05-08 | 4287906 | ND |
| 2019-06-05 | 4315177 | ND |
| 2019-07-10 | 4349899 | ND |
| 2019-08-01 | 4373752 | ND |
| 2019-10-02 | 4443406 | ND |
| 2019-11-06 | 4479466 | ND |
| 2019-12-04 | 4504304 | ND |
| 2020-01-08 | 4533526 | ND |
| 2020-02-05 | 4557452 | ND |
| 2020-03-04 | 4580263 | ND |
| 2020-04-01 | 4600891 | ND |
| 2020-05-06 | 4622710 | ND |
| 2020-06-03 | 4642003 | ND |
| 2020-07-01 | 4663156 | ND |
| 2020-08-05 | 4690076 | ND |
| 2020-09-02 | 4715560 | ND |
| 2020-10-07 | 4745298 | ND |
| 2020-11-04 | 4768597 | ND |
| 2020-12-02 | 4788726 | ND |
| 2021-01-06 | 4808347 | ND |
| 2021-02-03 | 4827626 | ND |
| 2021-03-03 | 4846254 | ND |
| 2021-04-07 | 4871309 | ND |
| 2021-05-05 | 4893777 | ND |
| 2021-06-02 | 4919010 | ND |
| 2021-07-07 | 4948574 | ND |
| 2021-08-04 | 4975294 | ND |
| 2021-09-01 | 810-1044-1 | ND |
| 2021-10-06 | 810-4317-1 | ND |
| 2021-11-03 | 810-6675-1 | ND |
| 2021-12-01 | 810-8833-1 | ND |
| 2022-01-03 | 810-11140-1 | ND |
| 2022-02-02 | 2020128-01 | ND |
| 2022-03-02 | 2030142-01 | ND |
| 2022-04-06 | 2040266-01 | ND |
| 2022-05-04 | 2050200-01 | ND |
| 2022-06-01 | 2060041-01 | ND |
| 2022-07-06 | 2070186-01 | ND |
| 2022-08-03 | 2080231-01 | ND |
| 2022-09-07 | 2090298-01 | ND |
| 2022-10-05 | 2100287-01 | ND |
| 2022-11-02 | 2110198-01 | ND |
| 2022-12-07 | 2120301-01 | ND |
| 2023-01-04 | 23A0130-01 | ND |
| 2023-02-01 | 23B0113-01 | ND |
| 2023-03-01 | 23C0031-01 | ND |
| 2023-04-05 | 23D0292-01 | ND |
| 2023-05-03 | 23E0223-01 | ND |
| 2023-06-07 | 23F0349-01 | ND |
| 2023-07-05 | 23G0068-01 | ND |
| 2023-08-02 | 23H0262-01 | ND |
| 2023-09-13 | 23I0854-01 | ND |
| 2023-10-04 | 23J0667-01 | ND |
| 2023-11-27 | 810-86215-1 | ND |
| 2023-12-14 | 810-88051-1 | ND |