Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Mayfield

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.

 

15

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
2021ND50ND
2022ND80ND
2023ND20ND

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
2021-05-14JH2103554-PFOAND
2021-09-10JH2108191-PFOAND
2021-09-10JH2108190-PFOAND
2021-11-05J1K0601-01-PFOA/OSND
2021-11-05J1K0601-02-PFOA/SND
2022-03-28JH2202332-PFOA/SND
2022-03-28JH2202333-PFOA/SND
2022-05-31JH2204107-PFASND
2022-05-31JH2204108-PFASND
2022-08-26JH2207425-PFASND
2022-08-26JH2207424-PFASND
2022-11-14JH2209835-PFASND
2022-11-14JH2209836-PFASND
2023-03-17JH2301973-PFASND
2023-03-17JH2301974-PFASND