Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

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Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.

 

23

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND40ND
2020ND60ND
2021ND80ND
2022ND20ND
2023ND10ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.

EPA Maximum Contaminant
Level (MCL): 10 ppt

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
2020-10-05LJ28015ND
2020-10-05LJ28014ND
2020-10-05GWNT2010051320GGAND
2020-10-05GWNT2010051300GGAND
2021-02-02ND
2021-02-022102122-01ND
2021-03-12ND
2021-03-122103617-01 PFASND
2021-06-112106825-01ND
2021-09-27ND
2021-09-272109F09-01ND
2021-11-082111405-01ND
2022-09-062209242-01-PFASND
2022-09-06ND
2023-08-30ND