Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Cheney, City of

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021ND40ND
2022N/A00N/A
2023ND50ND
2024ND50ND

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
2021-10-064267092ND
2021-10-074267150ND
2021-10-074267153ND
2021-10-074267154ND
2023-10-234540054ND
2023-10-234540022ND
2023-10-234540034ND
2023-10-234540040ND
2023-10-234540048ND
2024-04-08WED0403-01ND
2024-04-08WED0403-02ND
2024-04-18WED0932-01ND
2024-04-22WED1006-01ND
2024-04-24WED1195-01ND