Perfluorononanoic acid (PFNA)
Buena Borough Municipal Utilities Authority
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 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 | ND | 8 | 0 | ND |
| 2020 | ND | 2 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 2 | 0 | ND |
| 2023 | ND | 6 | 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 |
|---|---|---|
| 2019-03-14 | 4228153 | ND |
| 2019-03-14 | 4228149 | ND |
| 2019-06-11 | L1925644-01 | ND |
| 2019-06-11 | L1925644-03 | ND |
| 2019-09-12 | L1942175-01 | ND |
| 2019-09-12 | L1942175-03 | ND |
| 2019-11-15 | L1955038-01 | ND |
| 2019-11-15 | L1955039-01 | ND |
| 2020-01-23 | L2003660-01 | ND |
| 2020-01-23 | L2003660-03 | ND |
| 2021-01-19 | L2103555-01 | ND |
| 2021-01-19 | L2103558-01 | ND |
| 2022-01-11 | L2201752-01 | ND |
| 2022-01-11 | L2201754-01 | ND |
| 2023-01-13 | L2302706-01 | ND |
| 2023-01-13 | L2302710-01 | ND |
| 2023-03-13 | 102313P | ND |
| 2023-03-13 | 102314P | ND |
| 2023-09-12 | 107960P | ND |
| 2023-09-12 | 107961P | ND |