Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Pease

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.

 

29

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
2021ND30ND
2022ND160ND
2023ND100ND

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
2021-12-0321L0478-02ND
2021-12-0321L0478-03ND
2021-12-0321L0478-01ND
2022-02-1422B0990-01ND
2022-02-1422B0990-02ND
2022-02-1422B0990-03ND
2022-02-1422B0990-04ND
2022-05-0222E0080-01ND
2022-05-0222E0080-02ND
2022-05-0222E0080-03ND
2022-07-0722G0294-01ND
2022-07-0722G0294-02ND
2022-07-0722G0294-03ND
2022-10-1722J0645-02ND
2022-10-1722J0645-03ND
2022-10-1722J0645-01ND
2022-11-3022L0039-01ND
2022-11-3022L0039-02ND
2022-11-3022L0039-03ND
2023-01-0923A0189-01ND
2023-01-0923A0189-02ND
2023-01-0923A0189-03ND
2023-05-0423E0521-01ND
2023-05-0423E0521-02ND
2023-05-0423E0521-03ND
2023-08-0923H1381-01ND
2023-08-0923H1381-02ND
2023-08-0923H1381-03ND
2023-12-0423L0136-01ND