Know Your Environment. Protect Your Health.

Perfluoroundecanoic acid (PFUnA)

Portland

Perfluoroundecanoic acid (PFUnA) is a member of a group of perfluorinated chemicals used in many consumer products. PFUnA 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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019N/A00N/A
2020N/A00N/A
2021ND90ND
20220.250 ppt41ND - 1.000 ppt
2023N/A00N/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 PFUnA was based the EPA's recommended application 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
2018-09-25GWNT1809251245KERND
2018-09-25GWEF1809251300KERND
2018-09-25GWEF1809251340KERND
2018-09-25GWEF1809251320KERND
2021-01-19LJ41586ND
2021-01-19LJ41587ND
2021-01-19LJ41589ND
2021-01-19LJ41588ND
2021-03-25LJ49125ND
2021-09-14LJ78178ND
2021-09-14LJ78177ND
2021-09-14LJ78179ND
2021-09-14LJ78176ND
2022-08-23LK29739ND
2022-08-23LK297401.000 ppt
2022-08-23LK29742ND
2022-08-23LK29741ND