Perfluorononanoic acid (PFNA)
Rochester
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 | ND | 31 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 8 | 0 | ND |
| 2024 | ND | 30 | 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 |
|---|---|---|
| 2021-06-17 | 21F1267-11 | ND |
| 2021-06-17 | 21F1267-09 | ND |
| 2021-06-17 | 21F1267-08 | ND |
| 2021-06-17 | 21F1267-07 | ND |
| 2021-06-17 | 21F1267-06 | ND |
| 2021-06-17 | 21F1267-05 | ND |
| 2021-06-17 | 21F1267-04 | ND |
| 2021-06-17 | 21F1267-03 | ND |
| 2021-06-17 | 21F1267-01 | ND |
| 2021-06-17 | 21F1267-10 | ND |
| 2021-06-17 | 21F1267-12 | ND |
| 2021-06-17 | 21F1267-13 | ND |
| 2021-06-17 | 21F1267-14 | ND |
| 2021-06-17 | 21F1267-15 | ND |
| 2021-06-17 | 21F1267-16 | ND |
| 2021-06-17 | 21F1267-17 | ND |
| 2021-06-17 | 21F1267-18 | ND |
| 2021-06-17 | 21F1267-19 | ND |
| 2021-06-17 | 21F1267-20 | ND |
| 2021-06-18 | 21F1265-01 | ND |
| 2021-06-18 | 21F1265-12 | ND |
| 2021-06-18 | 21F1265-11 | ND |
| 2021-06-18 | 21F1265-10 | ND |
| 2021-06-18 | 21F1265-09 | ND |
| 2021-06-18 | 21F1265-08 | ND |
| 2021-06-18 | 21F1265-07 | ND |
| 2021-06-18 | 21F1265-06 | ND |
| 2021-06-18 | 21F1265-05 | ND |
| 2021-06-18 | 21F1265-04 | ND |
| 2021-06-18 | 21F1265-03 | ND |
| 2021-06-18 | 21F1265-02 | ND |
| 2023-08-01 | 32302641-1 | ND |
| 2023-08-01 | 32302641-5 | ND |
| 2023-08-02 | 32302641-9 | ND |
| 2023-08-02 | 32302641-7 | ND |
| 2023-08-02 | 32302641-3 | ND |
| 2023-08-23 | 32302883-1 | ND |
| 2023-08-23 | 32302883-3 | ND |
| 2023-10-18 | 32303616-5 | ND |
| 2024-02-21 | 32400538029 | ND |
| 2024-02-21 | 32400505023 | ND |
| 2024-02-21 | 32400505019 | ND |
| 2024-02-21 | 32400505021 | ND |
| 2024-02-21 | 32400505001 | ND |
| 2024-02-21 | 32400505011 | ND |
| 2024-02-21 | 32400505009 | ND |
| 2024-02-21 | 32400505003 | ND |
| 2024-02-21 | 32400505005 | ND |
| 2024-02-21 | 32400505013 | ND |
| 2024-02-21 | 32400505007 | ND |
| 2024-02-21 | 32400505015 | ND |
| 2024-02-21 | 32400505017 | ND |
| 2024-02-22 | 32400538033 | ND |
| 2024-02-22 | 32400538001 | ND |
| 2024-02-22 | 32400538027 | ND |
| 2024-02-22 | 32400538035 | ND |
| 2024-02-22 | 32400538023 | ND |
| 2024-02-22 | 32400538025 | ND |
| 2024-02-22 | 32400538019 | ND |
| 2024-02-22 | 32400538021 | ND |
| 2024-02-22 | 32400538003 | ND |
| 2024-02-22 | 32400538017 | ND |
| 2024-02-22 | 32400538009 | ND |
| 2024-02-22 | 32400538013 | ND |
| 2024-02-22 | 32400538007 | ND |
| 2024-02-22 | 32400538015 | ND |
| 2024-02-22 | 32400538011 | ND |
| 2024-02-22 | 32400538005 | ND |
| 2024-02-22 | 32400538031 | ND |