Perfluorodecaroic Acid (PFTrDA)
Georgetown, City of
Perfluorodecaroic Acid (PFTrDA) is a member of a class of chemicals called per- and polyfluoroalkyl substances or PFAS. 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 | 1 | 0 | ND |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.006 ppt
The EWG Health Guideline of 0.006 ppt for PFTrDA was defined by EPA's recommendation of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2020-09-30 | ND |