Perfluorononanoic acid (PFNA)
Beverly Village Public Water System
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 | N/A | 0 | 0 | N/A |
| 2020 | ND | 14 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2020-07-07 | EFA-4665679 | ND |
| 2020-07-07 | EFA-4665679 | ND |
| 2020-07-07 | EFA-4665678 | ND |
| 2020-07-07 | EFA-4665678 | ND |
| 2020-10-15 | EFA-4752278 | ND |
| 2020-10-15 | EFA-4752278 | ND |
| 2020-11-18 | DES-20111902-02 | ND |
| 2020-11-18 | DES-20111902-05 | ND |
| 2020-11-18 | DES-20111902-04 | ND |
| 2020-11-18 | DES-20111902-03 | ND |
| 2020-11-18 | DES-20111902-05 | ND |
| 2020-11-18 | DES-20111902-04 | ND |
| 2020-11-18 | DES-20111902-03 | ND |
| 2020-11-18 | DES-20111902-02 | ND |
| 2021-01-27 | DES-21012804-02 | ND |
| 2021-01-27 | DES-21012804-02 | ND |
| 2021-04-15 | DES-21041601-02 | ND |
| 2021-04-15 | DES-21041601-02 | ND |