Perfluorononanoic acid (PFNA)
V & P Trailer Court 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 | 2 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2020-09-24 | CA3900732_001_001-202009240915 | ND |
| 2020-12-16 | CA3900732_001_001-202012160950 | ND |
| 2021-03-08 | CA3900732_001_001-202103080952 | ND |
| 2021-06-16 | CA3900732_001_001-202106160955 | ND |
| 2021-09-13 | CA3900732_001_001-202109131237 | ND |
| 2021-12-14 | CA3900732_001_001-202112141015 | ND |
| 2022-03-14 | CA3900732_001_001-202203141206 | ND |
| 2022-06-27 | CA3900732_001_001-202206270944 | ND |
| 2022-09-13 | CA3900732_001_001-202209131000 | ND |
| 2022-12-15 | CA3900732_001_001-202212151442 | ND |
| 2022-12-15 | CA3900732_001_001-202212151442 | ND |
| 2023-03-08 | CA3900732_001_001-202303081215 | ND |
| 2023-06-26 | CA3900732_001_001-202306261011 | ND |
| 2023-09-12 | CA3900732_001_001-202309121050 | ND |
| 2023-12-12 | CA3900732_001_001-202312120942 | ND |