Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Oceana Acres

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.

 

38

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
2021ND110ND
2022ND180ND
2023ND90ND

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
2021-03-162103878-07ND
2021-03-162103878-03ND
2021-03-162103878-01ND
2021-03-16ND
2021-03-16ND
2021-03-162103878-05ND
2021-03-162103878-09ND
2021-03-162103878-11ND
2021-03-162103878-15ND
2021-03-162103878-13ND
2021-03-162103878-17ND
2022-08-162208F33-05ND
2022-08-162208F33-03ND
2022-08-16ND
2022-08-16ND
2022-08-16ND
2022-08-162208F33-01ND
2022-08-172208F33-09ND
2022-08-172208F33-11ND
2022-08-172208F33-07ND
2022-08-172208F33-17ND
2022-08-172208F33-13ND
2022-08-172208F33-15ND
2022-08-17ND
2022-08-17ND
2022-08-17ND
2022-08-17ND
2022-08-17ND
2022-08-17ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND
2023-08-15ND