Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Sussex County Hlth-the Homested

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.

 

19

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
2019ND40ND
2020ND20ND
2021ND40ND
2022ND40ND
2023ND50ND

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
2019-02-154199713ND
2019-05-234310391ND
2019-09-064416325ND
2019-11-144486720ND
2020-02-214571637ND
2020-04-204612880ND
2021-03-254862905ND
2021-05-204908275ND
2021-09-21810-2997-1ND
2021-11-08202111090659ND
2022-02-10810-14503-1ND
2022-05-24810-25758-1ND
2022-09-09810-37048-1ND
2022-10-12810-41312-1ND
2023-02-14810-53486-1ND
2023-04-07810-59054-1ND
2023-06-21810-67146-1ND
2023-09-11810-77386-1ND
2023-11-15810-85426-1ND