Perfluorononanoic acid (PFNA)
Oakview Leisure Village
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 | 2 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 5 | 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 |
|---|---|---|
| 2019-02-19 | 4205658 | ND |
| 2019-02-19 | 4205657 | ND |
| 2019-05-14 | 4294626 | ND |
| 2019-05-14 | 4294627 | ND |
| 2019-08-22 | 4397739 | ND |
| 2019-08-22 | 4397741 | ND |
| 2019-11-06 | 4478839 | ND |
| 2019-11-06 | 4478841 | ND |
| 2020-02-18 | 4568142 | ND |
| 2020-02-18 | 4568144 | ND |
| 2021-02-22 | 4842867 | ND |
| 2021-02-22 | 4842869 | ND |
| 2021-05-11 | 4902496 | ND |
| 2021-08-10 | 4987594 | ND |
| 2021-11-01 | 810-6724-1 | ND |
| 2022-02-22 | 810-16069-1 | ND |
| 2022-02-22 | 810-16069-3 | ND |
| 2022-05-03 | 810-23797-1 | ND |
| 2022-08-01 | 810-32976-1 | ND |
| 2022-11-08 | 810-44306-1 | ND |
| 2023-02-14 | 810-54055-1 | ND |
| 2023-02-14 | 810-54055-3 | ND |
| 2023-05-02 | 810-62151-1 | ND |
| 2023-08-29 | 810-76184-1 | ND |
| 2023-11-07 | 810-85142-1 | ND |