Know Your Environment. Protect Your Health.

Perfluoroundecanoic acid (PFUnA)

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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.

 

16

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
2019ND20ND
2020ND20ND
2021ND40ND
2022ND40ND
2023ND40ND

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
2019-06-25CA5200539_001_001-201906251152ND
2019-09-16CA5200539_001_001-201909160955ND
2020-09-14CA5200539_001_001-202009141105ND
2020-12-14CA5200539_001_001-202012140852ND
2021-03-16CA5200539_001_001-202103161004ND
2021-06-15CA5200539_001_001-202106151021ND
2021-09-21CA5200539_001_001-202109211000ND
2021-12-07CA5200539_001_001-202112070957ND
2022-03-29CA5200539_001_001-202203291012ND
2022-06-28CA5200539_001_001-202206281106ND
2022-09-27CA5200539_001_001-202209270948ND
2022-12-27CA5200539_001_001-202212271050ND
2023-03-16CA5200539_001_001-202303160743ND
2023-06-27CA5200539_001_001-202306271018ND
2023-09-21CA5200539_001_001-202309210826ND
2023-12-28CA5200539_001_001-202312280637ND