Perfluorononanoic acid (PFNA)
City of Moses Lake
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 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 19 | 0 | ND |
| 2024 | ND | 18 | 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 |
|---|---|---|
| 2023-08-23 | 4522924 | ND |
| 2023-08-23 | 4537892 | ND |
| 2023-08-23 | 4537899 | ND |
| 2023-08-23 | 4522912 | ND |
| 2023-08-23 | 4522932 | ND |
| 2023-08-23 | 4522930 | ND |
| 2023-08-23 | 4522897 | ND |
| 2023-08-23 | 4522911 | ND |
| 2023-08-23 | 4522893 | ND |
| 2023-08-23 | 4522920 | ND |
| 2023-08-23 | 4522916 | ND |
| 2023-08-23 | 4522905 | ND |
| 2023-08-23 | 4522899 | ND |
| 2023-08-24 | 4522935 | ND |
| 2023-08-24 | 4522939 | ND |
| 2023-08-24 | 4522936 | ND |
| 2023-08-24 | 4522938 | ND |
| 2023-08-24 | 4537845 | ND |
| 2023-08-24 | 4522937 | ND |
| 2024-02-07 | WEB0293-03 | ND |
| 2024-02-07 | WEB0292-01 | ND |
| 2024-02-07 | WEB0293-01 | ND |
| 2024-02-07 | WEB0293-06 | ND |
| 2024-02-07 | WEB0293-02 | ND |
| 2024-02-07 | WEB0293-05 | ND |
| 2024-02-07 | WEB0293-07 | ND |
| 2024-02-07 | WEB0293-04 | ND |
| 2024-02-28 | WEB1088-05 | ND |
| 2024-02-28 | WEB1088-03 | ND |
| 2024-02-28 | WEB1088-07 | ND |
| 2024-02-28 | WEB1088-06 | ND |
| 2024-02-28 | WEB1088-04 | ND |
| 2024-02-28 | WEB1088-01 | ND |
| 2024-02-28 | WEB1088-02 | ND |
| 2024-04-24 | WED1165-01 | ND |
| 2024-05-07 | WEE0384-01 | ND |
| 2024-07-23 | YEG0646-01 | ND |