Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Erin Estates

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.

 

7

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
2021N/A00N/A
2022ND60ND
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
2022-03-28S2C0489-01PFASND
2022-03-30S2C0490-01PFASND
2022-04-29S2D0518-01PFASND
2022-06-30S1L0338-01PFOND
2022-07-25EHS2200034822-01PFASND
2022-09-27S2I0491-01PFASND
2023-12-26S3L0483-01ND