Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Winding Brook Mobile Home Park System 2

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.

 

11

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
20190.215 ppt41ND - 0.860 ppt
2020ND40ND
2021ND10ND
2022ND10ND
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
2019-02-059020802-01ND
2019-04-019040512-01ND
2019-09-059090611-01ND
2019-12-179122007-010.860 ppt
2020-03-10L2011407-01ND
2020-06-020060503-01ND
2020-09-080091113-01ND
2020-12-080121105-01ND
2021-12-0721L1002-01ND
2022-10-13012251942-0001ND
2023-10-05012363188ND