Perfluorononanoic acid (PFNA)
Paw Glen Alsace Div
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 |
|---|---|---|---|---|
| 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 | ND | 3 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
| 2024 | ND | 13 | 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 |
|---|---|---|
| 2019-07-30 | PA_PFA_Phase1_0045 | ND |
| 2019-07-30 | PA_PFA_Phase1_0046 | ND |
| 2019-07-30 | PA_PFA_Phase1_0044 | ND |
| 2020-11-12 | ND | |
| 2020-11-12 | ND | |
| 2020-12-30 | ND | |
| 2024-03-05 | 69637601 | ND |
| 2024-03-05 | 69636901 | ND |
| 2024-03-05 | 69636601 | ND |
| 2024-03-05 | 69636401 | ND |
| 2024-03-05 | 69636501 | ND |
| 2024-03-05 | 69636301 | ND |
| 2024-03-05 | 69636201 | ND |
| 2024-03-07 | 69637501 | ND |
| 2024-03-07 | 69636701 | ND |
| 2024-03-07 | 69636801 | ND |
| 2024-03-28 | 69992001 | ND |
| 2024-04-04 | 70094301 | ND |
| 2024-06-03 | 70390901 | ND |