Know Your Environment. Protect Your Health.

N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)

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N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) is a member of a group of perfluorinated chemicals used in many consumer products. NMeFOSAA 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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND60ND
20210.740 ppt51ND - 3.70 ppt
2022ND10ND
2023N/A00N/A

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 NMeFOSAA 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
2018-09-20GWNT1809201330KERND
2018-09-20GWNT1809201345KERND
2019-03-27GWNT1903271115KERND
2019-06-17GWNT1906171310RLND
2019-09-16GWNT1909160930GGAND
2019-12-17GWNT1912170850KMEND
2020-03-24GWNT2003241435GGAND
2020-06-29GWNT2006291130GGAND
2020-10-05GWNT2010051320GGAND
2020-10-05LJ28015ND
2020-10-05LJ28014ND
2020-10-05GWNT2010051300GGAND
2021-02-022102122-013.70 ppt
2021-03-122103617-01 PFASND
2021-06-112106825-01ND
2021-09-272109F09-01ND
2021-11-082111405-01ND
2022-09-062209242-01-PFASND