Know Your Environment. Protect Your Health.

N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA)

Wbr Public Utilities

N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA) is a member of a group of perfluorinated chemicals used in many consumer products. N-EtFOSAA 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.

 

15

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
2021N/A00N/A
2022N/A00N/A
2023ND150ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppt

The EWG Health Guideline of 1 ppt for N-EtFOSAA was defined by EWG as based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water.

ppt = parts per trillion

All test results

Date Lab ID Result
2023-01-18100290PND
2023-01-18100291PND
2023-01-18100292PND
2023-01-18100293PND
2023-01-18100294PND
2023-07-18105791PND
2023-07-19105790PND
2023-07-19105829PND
2023-07-19105830PND
2023-07-19105831PND
2023-10-0535832821001ND
2023-10-0535832821005ND
2023-10-0535832841001ND
2023-10-0535832841005ND
2023-10-0535832841009ND