Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Portland

Hexafluoropropylene oxide dimer acid (HFPO-DA) is a member of a group of perfluorinated chemicals used in many consumer products. HFPO-DA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND130ND
20220.250 ppt82ND - 1.000 ppt
2023ND40ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 9 ppt

The EWG Health Guideline of 9 ppt for HFPO-DA was based on the EPA's Human Health toxicity value.This health guideline protects against harm to the liver.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2021-01-19LJ41587ND
2021-01-19LJ41589ND
2021-01-19LJ41586ND
2021-01-19LJ41588ND
2021-03-25ND
2021-03-25LJ49125ND
2021-09-14LJ78176ND
2021-09-14LJ78177ND
2021-09-14LJ78178ND
2021-09-14ND
2021-09-14ND
2021-09-14ND
2021-09-14LJ78179ND
2022-08-23LK29741ND
2022-08-23LK29742ND
2022-08-23LK29739ND
2022-08-23LK297401.000 ppt
2022-08-23ND
2022-08-23ND
2022-08-231.000 ppt
2022-08-23ND
2023-09-18ND
2023-09-18ND
2023-09-18ND
2023-09-18ND