Perfluorononanoic acid (PFNA)
Plymouth
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 13 | 0 | ND |
| 2023 | ND | 36 | 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 |
|---|---|---|
| 2021-06-04 | 21F0300-03 | ND |
| 2021-06-04 | 21F0300-01 | ND |
| 2022-06-03 | 22F0215-01 | ND |
| 2022-06-03 | 22F0215-03 | ND |
| 2022-06-03 | 22F0215-04 | ND |
| 2022-06-03 | 22F0215-05 | ND |
| 2022-09-08 | 22I0502-01 | ND |
| 2022-11-04 | 22K0352-06 | ND |
| 2022-11-04 | 22K0352-08 | ND |
| 2022-11-04 | 22K0352-07 | ND |
| 2022-11-04 | 22K0352-05 | ND |
| 2022-11-04 | 22K0352-04 | ND |
| 2022-11-04 | 22K0352-03 | ND |
| 2022-11-04 | 22K0352-02 | ND |
| 2022-11-04 | 22K0352-01 | ND |
| 2023-05-25 | 23E2766-11 | ND |
| 2023-05-25 | 32301773-3 | ND |
| 2023-05-25 | 32301773-1 | ND |
| 2023-05-25 | 23E2766-16 | ND |
| 2023-05-25 | 23E2766-15 | ND |
| 2023-05-25 | 23E2766-14 | ND |
| 2023-05-25 | 23E2766-13 | ND |
| 2023-05-25 | 23E2766-12 | ND |
| 2023-05-25 | 23E2766-10 | ND |
| 2023-05-25 | 23E2766-08 | ND |
| 2023-05-25 | 23E2766-07 | ND |
| 2023-05-25 | 23E2766-06 | ND |
| 2023-05-25 | 23E2766-05 | ND |
| 2023-05-25 | 23E2766-04 | ND |
| 2023-05-25 | 23E2766-03 | ND |
| 2023-05-25 | 23E2766-01 | ND |
| 2023-05-25 | 23E2766-02 | ND |
| 2023-05-25 | 23E2766-09 | ND |
| 2023-09-15 | 23I0866-08 | ND |
| 2023-09-15 | 23I0866-16 | ND |
| 2023-09-15 | 23I0866-15 | ND |
| 2023-09-15 | 23I0866-14 | ND |
| 2023-09-15 | 23I0866-13 | ND |
| 2023-09-15 | 23I0866-12 | ND |
| 2023-09-15 | 23I0866-11 | ND |
| 2023-09-15 | 23I0866-10 | ND |
| 2023-09-15 | 23I0866-09 | ND |
| 2023-09-15 | 23I0866-07 | ND |
| 2023-09-15 | 23I0866-06 | ND |
| 2023-09-15 | 23I0866-05 | ND |
| 2023-09-15 | 23I0866-04 | ND |
| 2023-09-15 | 23I0866-02 | ND |
| 2023-09-15 | 23I0866-01 | ND |
| 2023-09-25 | 23I1301-01 | ND |
| 2023-12-11 | 32304198-1 | ND |
| 2023-12-11 | 32304198-3 | ND |