Perfluorononanoic acid (PFNA)
Deerfield
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 | ND | 3 | 0 | ND |
| 2019 | ND | 24 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 1 | 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 |
|---|---|---|
| 2018-08-02 | SWEF1808021030GSC | ND |
| 2018-08-02 | SWEF1808021030GSC | ND |
| 2018-08-02 | SWIN1808021020GSC | ND |
| 2019-04-29 | SWIN1904291200GSC | ND |
| 2019-04-29 | SWEF1904291150GSC | ND |
| 2019-04-29 | SWEF1904291150GSC | ND |
| 2019-05-28 | SWIN1905281345MK | ND |
| 2019-05-28 | SWEF1905281340MK | ND |
| 2019-06-24 | SWEF1906241220KER | ND |
| 2019-06-24 | SWIN1906241230KER | ND |
| 2019-07-29 | SWEF1907291510MK | ND |
| 2019-07-29 | SWIN1907291500MK | ND |
| 2019-08-26 | SWEF1908261150GSC | ND |
| 2019-08-26 | SWIN1908261145GSC | ND |
| 2019-09-03 | SWEF1909031430KME | ND |
| 2019-09-04 | SWEF1909041040KME | ND |
| 2019-09-04 | LLI61278 | ND |
| 2019-09-05 | SWEF1909051120KME | ND |
| 2019-09-05 | LLI61839 | ND |
| 2019-09-06 | SWEF1909061010KME | ND |
| 2019-09-06 | LLI62226 | ND |
| 2019-09-17 | LLI64738 | ND |
| 2019-09-23 | LLI66382 | ND |
| 2019-09-23 | SWIN1909231155GSC | ND |
| 2019-09-23 | SWEF1909231200GSC | ND |
| 2019-10-02 | LLI68876 | ND |
| 2019-10-09 | LLI70105 | ND |
| 2021-01-15 | 3669480001 | ND |
| 2021-01-22 | SWIN2101221015RG | ND |
| 2021-03-11 | SWIN2103110955SK | ND |
| 2021-05-05 | 3691790001 | ND |
| 2021-05-05 | ND | |
| 2021-05-10 | SWIN2105101100GSC | ND |
| 2021-07-16 | SWIN2107161100GGA | ND |
| 2021-09-17 | SWIN2109171200GGA | ND |
| 2022-04-06 | ND | |
| 2022-04-06 | 3767300002 | ND |
| 2023-04-05 | ND |