What it is
One of the most studied PFAS, used to manufacture Teflon and other non-stick coatings until US phase-out in 2015. Linked to kidney and testicular cancer; EPA finalized a 4 ppt drinking water limit in 2024.
Health effects
§
Editorial in progress
A full health-effects review for this chemical is being researched and reviewed by our scientific advisors. In the meantime, see the studies and detection data below.
Detected in food
PFOA has been detected in 2 distinct foods in our database. Concentrations vary widely by food, study, and testing method. Highest values are not necessarily most representative — see the source study for each value before drawing conclusions.
| Food | Category | Samples | Detected | Max value | Mean |
|---|---|---|---|---|---|
| Clams | Seafood | 1 | 1 | 300.00 ppt | 300.00 ppt |
| Chicken breast | Meat | 3 | 0 | 33.00 ppt | — |
Studies that have tested for PFOA
- FDA Total Diet Study Dataset 12 — PFAS in 2024 U.S. Food Supply — U.S. Food and Drug Administration, Dec 1, 2024 · MDL: 30.0000 ppt
- FDA Total Diet Study Dataset 13 — PFAS in 2024 U.S. Food Supply — U.S. Food and Drug Administration, Dec 1, 2024 · MDL: 30.0000 ppt