| PFNA |
6 pptI |
In production of non-stick, stain repellent, and chemically inert coatings. |
| PFOA |
8 ppt |
In non-stick and stain-resistant consumer products, food packaging, fire-fighting foam, and industrial processes. |
| PFOS |
16 ppt |
Resistant to stains, grease, soil, and water. Carpets/rugs, upholstered furniture, non-stick cookware, and leather products. Firefighting foams used at airports, firefighter training facilities, and military airfields. |
| PFHxS |
51 ppt |
Used in water- and stain-protective coatings for products such as carpets, textiles, paper, packaging, textiles, and electronics. Used in other industrial fluids or water-proofing agents. Used in aqueous film-forming foam for fire suppression. |
| GenX (HFPO-DA) |
370 ppt |
Aid in manufacturing of fluoropolymers. Fluoropolymers are used in making semiconductors, automobiles, airplanes, and the functioning of electronics, communication systems, and green hydrogen. |
| PFBS |
420 ppt |
Used as a replacement for PFAS. |
| PFHxA |
400,000 ppt |
Used in stain-resistant fabrics, paper food packaging, and carpets; it is also used for manufacturing photographic film. |