Know Your Environment. Protect Your Health.

Hexafluoropropylene oxide dimer acid (HFPO-DA)

Whispering Pines

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.

 

28

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
2020ND50ND
2021ND100ND
2022ND80ND
2023ND50ND

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
2020-03-25GWNT2003251210SKND
2020-06-29GWNT2006291600MKND
2020-10-05LJ27660ND
2020-10-05GWNT2010051130MKND
2020-10-05ND
2021-01-272101B51-01ND
2021-01-27ND
2021-03-162103738-01ND
2021-03-16ND
2021-06-292106F84ND
2021-06-29ND
2021-09-212109A98-01ND
2021-09-21ND
2021-12-202112934-01ND
2021-12-20ND
2022-03-212203C07-01ND
2022-03-21ND
2022-06-28ND
2022-06-282206K09-01ND
2022-09-21ND
2022-09-212209F43-01ND
2022-11-29ND
2022-11-292211F58-01ND
2023-02-282302C71-01ND
2023-02-28ND
2023-06-27ND
2023-09-18ND
2023-10-31ND